Description
Warranty & Shipping
How-To & Tools
Product Reviews
Q&A
Vehicle Fit

A knock sensor is like a small electronic microphone that is usually attached to the engine block and listens for a couple of things that a engine might do. One thing it listens for is pre-ignition or knocking inside the engine usually caused by a few issues including dirty gas, wrong engine timing low octane fuel, wrong air / fuel mixture, and also by the wrong spark plugs. It also listens for engine run on which happens when the vehicle is turned off, but tries to keep running until it stalls. Once a noise is detected, the knock sensor sends a signal to the cars computer which in turn will retard the timing at 2 degree intervals until it corrects the issue. If the knock sensor fails, it can seriously damage the engine, as continuous pre-ignition could cause melting or fractures in the pistons just to name a few.

Specifications:

  • Comes as a SET of 3
    • (1) - Knock Sensor Harness
    • (2) - Knock Sensors
  • Replaces dealer part numbers: 10456603, 12589867, 12601822, 8104566030
  • Includes Grommets
  • Built to strict quality control standards
  • Direct replacement
  • Built to strict quality control standards

This engine knock sensor & harness kit makes a great replacement and has good cost savings over a dealer unit.

Our electrical and electronic parts are subject to strict quality control testing. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Item Condition: New

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Removing the Air Intake Hose (0:48)
    • Remove the 8mm bolt holding the engine cover
    • Loosen the air intake hose clamps with a flat blade screwdriver
    • Unclip the intake hose from the radiator hose
    • Pull the intake hose up and out
  2. step : Disconnecting the Intake Manifold (1:30)
    • Remove the 8mm bolts
    • Disconnect the harnesses by pulling up on the tab
    • Pry the vacuum hose free
    • Remove the 10mm nuts from the throttle body
    • Lift up the bracket and pull it aside
    • Remove the 8mm bolt and the pull the bracket aside
    • Disconnect the two hose plants and harnesses
    • Remove the 10mm nut and pull the set of harnesses aside
  3. step : Disconnecting the Fuel Line (3:47)
    • Disconnect the eight harnesses to the fuel injector by pulling up on the tab
    • Loosen the fuel line cap
    • Covering the fuel line with a rag, push the tab on the fuel bleeder with a flat head screwdriver
    • Replace the cap
    • Remove the clip
    • Push the fuel line separator tool all the way in and pull the fuel line free
    • Clamp the vacuum hose clamp with pliers and pull it free
  4. step : Removing the Intake Manifold (5:26)
    • Remove the series of 10mm bolts
    • Maneuver the intake manifold past harnesses and wires and move it as far as possible
    • Feed the EGR out through the harnesses
    • Lift the intake manifold up and out
  5. step : Removing the Engine Knock Sensors (7:24)
    • Pry up the knock sensor harness caps
    • Push in the sides of the harness with bent needle nose pliers and pull up
    • Remove the knock sensors with a 22mm socket
  6. step : Installing the Engine Knock Sensors (8:03)
    • Feed the knock sensor into place and tighten it with a 22mm socket
    • Push the harness back onto the knock sensor
    • Replace the cap
  7. step : Reinstalling the Intake Manifold (9:06)
    • Set the intake manifold down and pull the vacuum hose out through the other side
    • Disconnect the EGR by pulling out on the clip with a flat blade screw driver
    • Feed the hose through the side of the intake manifold
    • Maneuver the intake manifold down and into place
  8. step : Reconnecting the Fuel Line (10:14)
    • Reconnect the fuel lines
    • Replace the clips to lock the lines
    • Slide the hose clamp back into place using pliers
    • Line up the throttle body and reconnect it by pushing it up on the studs
    • Push the EGR valve back into place, replace the bolt, and reconnect the hose
    • Reconnect the vacuum hose into the throttle body
  9. step : Reconnecting the Intake Manifold (12:24)
    • Replace the 10mm bolts
    • Replace the bracket near the back
    • Torque the manifold bolts with a torque wrench
    • Start in the middle and work in a counter-clockwise pattern
    • Tighten them on the first pass to 44 inch pounds, then 89 inch pounds
    • Push the harness in and push the clip into place to reconnect the fuel injectors
  10. step : Reinstalling the Air Intake Hose (14:54)
    • Push the intake hose into place
    • Tighten the intake hose clamps with a flat blade screwdriver
    • Double check all the harnesses and hoses
    • Replace the engine cover with an 8mm bolt

Tools needed for replacement:

    Materials, Fluids, and Supplies

  • Rust Penetrant

  • Pliers, Cutters & misc Wrenches

  • Bent Nose Pliers

  • Ratchets & Related

  • Ratchet
  • Socket Extensions
  • Torque Wrench

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 10mm Socket
  • 22mm Socket
  • 8mm Socket

  • Specialty Tools

  • Fuel Line Disconnect Tool

4.03/ 5.0
40 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
26
5
1
0
8
Great!
I received my products before the expected time and it was in excellent condition.
January 31, 2017
Awesome!
I recently purchased 1 knock sensor for my Silverado from competitor. My mistake was not purchasing both knock sensors (plus trusting my mechanic at the time.) I then purchased 2 knock sensors and 1 harness from 1A Auto (which came as a kit) for $50.30...by the way I work at that competitor I mentioned (A.Z.) and I payed $54.00 (that price was with my discount).?? Conclusion; received brand new parts prior to date, with lifetime warranty! Strongly recommend to everyone in need of auto parts.1A Auto is Awesome! Thank you!
February 27, 2017
03 Chevy Parts
Parts came in quick and cheaper then buying them at the store. Save lots of money for the same thing. I will be buying from here again.
March 23, 2017
Just what I needed.
Didnt think there was even time to process my order when I pulled my parts out of my mail box
June 19, 2017
Not too great
Well they arrived agter 17 days and looked to be of fair quality..but then i installed em to find one (1 of 2) didnt make any circuit and was 100% defective but the 2nd sensor (2 of 2 ) and the harness worked and still are today.. so it doesnt pay to buy a cheap sensor and to remove my whole intake manifold again to put 2 good quality sensors in was as drustrating as waiting 17 days so not impressed at all and wont be buying anything electrinical again...stay smart and get good quality parts for your trucks and only so tbe job once thats savings to me...
June 20, 2017
Great Kit Great Price
Great product but the selling point to me was the quality video on u-tube.
June 23, 2017
Great value
Sure glad I ordered both knock sensor and the harness great value
July 2, 2017
Delivery was fast
Items as discribed and corrected my problems vidieo was very helpful
July 8, 2017
Did not fix problem
After installing sensors, took vehicle for a test drive and the next day the check engine light came on again, for the same trouble codes. P0332 and P0327. When I have a free weekend, I will uninstall these parts and put in OEM ones. Do not go cheap people, buy OEM.
July 12, 2017
Great parts and fast.
I found them to be very helpful. My parts was the right ones good price and came fast. Yes i will use them again. For the lowest prices and right parts you cant do any better. Thanks.
July 14, 2017
Bulldog replace knock sensors
Work great installed them and my check engine light on knock sensors cleared lets see how they go in a few weeks or months from now will do another review but for now Im happy thanks 1A auto for great product and quality keep it up satisfied
July 31, 2017
Running strong
The sensors are not only affordable, but they work. 1A Auto videos showed me how to replace the parts better than any Chilton manual. I feel confident I did the job right; my check engine light is off; my bank account is not drained. Is there higher praise for these?
August 6, 2017
2000 Silverado knock Sensors
I am glad 1Aautos site buying recommended buying the kit when I was doing a search on the parts. If not I would have been in a jam and had to order the wiring harness assembly. Thanks. Also your video was a big help not exactly the same but it allowed us to see what was involved. I would elaborate more on the gasket set by Felpro thats not included with this kit & add it to the kit I think its a must . Fortunately I did buy head of time.
August 12, 2017
Awesome
Thank you for saving me a ton of $$. Mechanic shop wanted almost double for same parts. Codes went away and I passed emmissions.
August 28, 2017
Not worth it
Installed both sensors and wire harness, clear code and after a few miles codes came back, cleared them again, still coming up, check all the connections everything looks good, I should of listened and got oem parts, you live, you learn , now I have to spend more money and do the whole thing again
September 3, 2017
knock sensors
I received my order in a couple of days ,I tried to save some money by ordering the intake gasket elsewhere which didnt work out so well 10 days later i finally received the gasket and installed both today. THE next time Ill order all my parts from 1AAUTO.
September 25, 2017
Excellent Products, Excellent Pricing
Perfect OEM Replacement, fast shipping, and quality videos. The associated A1Auto video was extremely helpful and made for a fast (relative term here) and easy installation. Fit exactly in place and both work great. Would HIGHLY recommend that you replace both sensors and the harness just due to the difficult nature of getting to them to replace them. Thanks A1Auto for an excellent experience.
October 3, 2017
Great price, great product
Knock sensors and harness arrived fast, they work as expected and considerably cheaper than GM stock ,
November 21, 2017
Nonsense knock sensor and harness kit
The purpose for installing this kid was to get my check engine soon light off install very easily once I got the intake manifold off thought the problem was solved 2 Days Later the check engine light came back on and was throwing the same code do yourself a favor and buy the original equipment
December 20, 2017
I am impressed with the ease of doing business with you all. Ordering process is simple,the parts are correct, delivery is on time.I have 2 older vehicles, an 06 Tahoe and a 99 Silverado, so im sure we will be a regular customer.Thank you and keep up the good work..
December 25, 2017
Awesome kit, needs a little added protection
Have an entire kit pre-assembled is great, I just wish the wiring harness had some heat shield protection hoses instead of trying to add them myself.
February 20, 2018
great product works as advertised
bought them almost a year ago and havent had a problem with them yet great product that works as its supposed to
February 23, 2018
??
GRecieved it in a timely manner. Product was exactly what I ordered and a metric tonne cheaper than anywhere else. Nothing broke on install. My problem is fixed. Well see how long it last.
March 8, 2018
Good product.
Great quality. Very reasonable prices. Plus free shipping!????????????
March 25, 2018
Knock sensor
Great price and good video to see how to install Would definitely purchase from A1 auto again would highly recommend
April 1, 2018
Not worth it
very cheap quality not worth it get oem now I have to remove intake again to take these cheap things out throwing codes left and right
April 8, 2018
Bad sensor
Out of the box bad sensor.............................................
April 8, 2018
Perfect fit
Quality parts at a reasonable price. The ordering and checkout process was quick and easy.
April 9, 2018
Fast and friendly
In the last year I have purchased many different parts from 1aauto for my truck and wifes SUV. The parts showed up fast, they were correct and most importantly they were much cheaper than the competition. The online videos are extremely helpful for the do it yourselfers. My new favorite place to order parts from is definitely 1aauto.com
April 25, 2018
Great service
First time customer i really liked the srrvice and shipping time. Definstely going to go to 1a auto next time i need a car part.
May 8, 2018
Great product, fast shipping, fixed problem and was cheap.
Everything went well with this part I have no complaints I do recommend you are TV the boot back on top of the block just to keep water from getting back down there and rusting it out
May 28, 2018
Great products
Installed it with no problems. fast shipping.. recommend 100% Great products. Fast shipping.
June 21, 2018
Don’t waste your money
My car was throwing a code for one of my knock sensors. Decided to purchase from this website as it was a good price for the knock sensors themselves and the harness. That was a huge mistake. Upon having them replaced by a professional mechanic, the car started throwing codes for both sensors. I then went to a local auto parts store where I had to spend more money. However, as expected, those fixed the problem. I tried to see if I could get my money back or at least get new ones not that I needed them anyway and received the response about how products that have been used are not subject to refund because of their “quality control� however how am i supposed to know something doesn’t work if it is not installed? The representative tried to tell me they can’t send me new ones because I didn’t call to have them replaced. I did not have time to wait around to receive new ones. I told her this but this company just didn’t care. I probably wouldn’t have minded as much if they were courteous about it. This is not a webiste that cares about satisfaction to their customers. Do not buy these if you need knock sensors. You’re better off spending a couple more bucks.
July 31, 2018
Engine knock sensor kit and free install video
This is a five star kit from 1aauto and would recommend it to anyone but it was the video installation instructions from 1aauto that made me buy this kit. The video was easy to understand and covered everything I needed to know for a successful install. And best of all increased gas mileage and no more check engine light.
August 1, 2018
Fast shipping. Good quality parts. My favorite site for parts.
August 6, 2018
Engine knock sensor kit
Installed the sensors and harness. Everything worked great. Only reason for not five star rating is would be nice if a intake gasket was involved in the kit.
August 18, 2018
Sensors/electrical....always buy OEM!!!!!!!!!!!!!!!!
Went to the trouble to install knock sensors and the new ones immediately triggered the check engine light and knock sensor codes. Replaced with OEM and all is good. Nothing against 1A Auto, I have purchased several items that worked beautifully and their videos are very helpful. Gave one star because the shipping was very fast.
August 22, 2018
2003 gmc sierra
So far so good. Followed the video, went without a hitch.
September 15, 2018
Knock sensor...
Seems to be quality parts! Saved me about $150 from the price my garage gave me on the parts. Truck is running smooth, no more check engine light. :-)
September 19, 2018
Not for GM
They were a pleasure doing business with even when they sent me replacements for free but I still had to purchase GM parts for the computer to read the sensors
September 21, 2018
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
How long would an average mechanic take do this job?
Larry H January 29, 2016
According to the service manual I had it listed as 4.2 hours.
Robert W January 29, 2016
1 1/2 hour
Curwood D January 29, 2016
Id imagine a seasoned mechanic could do this job in 4 hours. Cleaning the intake manifold and other ares around the knock sensors could take some time if done thoroughly. Most wont take the time as their task is to complete the job under the time suggested by the Chilton manual they use to determine the jobs labor rate and still get paid for a 4 hour job. Any conscious backyard wrench twister should be able to get it done in 6 hours. Hope this helps.
Barry E January 29, 2016
Hello, A flat rate shop can charge upwards of approx 4 hrs to do the job. It can be done sooner depending on your abilities and tool availability.
Brian F February 2, 2016
It took me about 4 hours the first time, in part because I did clean the engine as I took things apart. The second time I did it, it only took about two hours.
Eric I February 3, 2016
It may have taken an hour to tear down and put back together plus a half hour of cleaning. However, my back sensor was rusted so badly it disintegrated when I tried to remove it. It took 5 hours to get the bolt out and I twisted up my stud puller. This was my first time and Im just a do-it-yourself kinda mechanic. The 1A Auto video is what made it easy except for that bolt.
Garth M August 6, 2017
It all depends on how bad the sensors are and rusted in they are.
Debra T August 28, 2017
Are these OEM AC Delco parts? I dont want to tear the top half of my block off and fit these to only replace them again shortly after
Richard B February 2, 2016
Bought these for my 01 6.0 and they worked perfectly. The only thing is make sure not to over torque the sensors they have a very low torque spec I believe its 15 ft lbs
Eric T February 3, 2016
TThey are not OEM AC Delco parts. I put these in and they went out again. I talked to a few mechanics and due to the sensitive nature of knock sensors its better to pay for the AC Delco ones. I put the ac delco ones in and havent had a problem since. Make sure to seal around them with rtv if its a silverado. There is a safety bulletin about it. Also do not, repeat do not over tighten them or they will almost immediately fail.
Korey W February 3, 2016
I am assuming you are using these parts in a GM vehicle. If it does not say "AC DELCO", do not assume they are OEM AC Delco parts. 1AAUTO sells AC DELCO knock sensors. To avoid tearing the top half of the engine twice, use only OEM AC DELCO knock sensors. While replacing the knock sensors, also replace the knock sensor wiring harness. If you are planning to clean the engine bay, clean before replacing the knock sensors. Water and knock sensors do not mix very well!
Roy G February 3, 2016
The harness worked fine, but the ECM on my 2005 Tahoe did not like the Knock Sensors. I ended up returning the Knock Sensors and getting AC Delco (1A Auto was great to work with on the return).
David W February 3, 2016
Also, you might want to buy a replacement intake manifold gasket.
Eric I February 3, 2016
what brand are the knock sensors?
Javier M February 6, 2016
they are "1a auto" brand. they look identical to ac delco but they dont have any markings on them. FYI do NOT over torque them it will ruin them...
Nick L February 6, 2016
After market doesnt have name brand
Shane O February 7, 2016
I dont remember, but they are 100% compatible, they fill and look like the Ac delco
Elis L February 7, 2016
Hello, These are a 1A Auto house branded kit.
Brian F February 8, 2016
Should I replace the intake gasket when replacing knock sensors?
Everett M June 17, 2016
would better safe than sorry
Harold D June 17, 2016
While your there, its a safe bet to replace them
Brian F June 17, 2016
yes
Christopher S June 17, 2016
Absolutely , I did when I replaced sensors ... Check 1A Auto for price .. Make sure you change /replace the lead wire connector when you change the sensors
RICHARD R June 17, 2016
Absolutely. If youre going that deep, you should have the peace of mind when its all back together.
C. Daniel P June 17, 2016
YEs I replaced the intake gasket because this is the right thing to do. Also I replaced the harness I
Calvin J June 17, 2016
Yes. You are already there.
Barry E June 19, 2016
I didnt. The intake manifold is low pressure and the 16 year old gasket was still very pliable. I dont see the point. If your gasket has visible flaws when you pull it out, I would replace it.
Garth M August 6, 2017
If you go to the specs. It always recommends replacing when removing. You will never get the same torque again and the rubber portion of the gasket varies
Mark M August 12, 2017
Yes. Dont take the chance of having a leak
Debra T August 28, 2017
absolutely
Gabe G February 23, 2018
What is limitied warranty?
Amy T March 24, 2017
The limited lifetime warranty covers our part for as long as you own the vehicle. If the vehicle is sold then the warranty would become void. If you experience any issues with the parts, we ask that you contact us with a brief description of the issue so we may document our system. A replacement will be issued, and the faulty part(s) will need to be shipped back once the new parts are installed.
Alex P March 24, 2017
Does the kit come with two knock senors?
Jaypaul S October 31, 2017
Yes it does come with 2.
Trey O October 31, 2017
Yes
Michael S October 31, 2017
Yes the kit does include 2 knock sensors and 1 harness. I suggest you purchase AC Delco knock sensors and a genuine GM harness. I purchased this kit from 1A Auto. The harness end terminals werent crimped properly(fell off the wires) and the knock sensors had to be replaced due to throwing codes the same day as installation. Ended up doing the job twice. Second time with OE parts with no issues after two years.
Rick S November 1, 2017
Yes
Connor B November 21, 2017
comes with everything shown
Gabe G February 23, 2018
Year Make Model Description
2004-2005Cadillac CTS Cadillac CTS V Engine Knock Sensor & Harness Kit
2002-2006Cadillac Escalade Cadillac Escalade Engine Knock Sensor & Harness Kit
2003-2006Cadillac Escalade ESV Cadillac Escalade ESV Engine Knock Sensor & Harness Kit
2002-2006Cadillac Escalade EXT Cadillac Escalade EXT Engine Knock Sensor & Harness Kit
2002-2006Chevy Avalanche 1500 Chevy Avalanche 1500 Engine Knock Sensor & Harness Kit
1999-2002Chevy Camaro Chevy Camaro V8 5.7L Engine Knock Sensor & Harness Kit
1999-2003Chevy Corvette Chevy Corvette Engine Knock Sensor & Harness Kit
2003-2007Chevy Express 1500 Van Chevy Express 1500 Van V8 5.3L Engine Knock Sensor & Harness Kit
2003-2005Chevy Express 2500 Van Chevy Express 2500 Van V8 4.8L Engine Knock Sensor & Harness Kit
2003-2005Chevy Express 2500 Van Chevy Express 2500 Van V8 5.3L Engine Knock Sensor & Harness Kit
2003-2007Chevy Express 2500 Van Chevy Express 2500 Van V8 6.0L Engine Knock Sensor & Harness Kit
2003-2007Chevy Express 3500 Van Chevy Express 3500 Van Engine Knock Sensor & Harness Kit
1999-2006Chevy Silverado 1500 Chevy Silverado 1500 V8 4.8L Engine Knock Sensor & Harness Kit
1999-2006Chevy Silverado 1500 Chevy Silverado 1500 V8 5.3L Engine Knock Sensor & Harness Kit
2001-2006Chevy Silverado 1500 Chevy Silverado 1500 V8 6.0L Engine Knock Sensor & Harness Kit
2007Chevy Silverado 1500 Classic Chevy Silverado 1500 Classic V8 4.8L Engine Knock Sensor & Harness Kit
2007Chevy Silverado 1500 Classic Chevy Silverado 1500 Classic V8 5.3L Engine Knock Sensor & Harness Kit
2007Chevy Silverado 1500 Classic Chevy Silverado 1500 Classic V8 6.0L Engine Knock Sensor & Harness Kit
2001-2003Chevy Silverado 1500 HD Chevy Silverado 1500 HD V8 6.0L Engine Knock Sensor & Harness Kit
2005-2006Chevy Silverado 1500 HD Chevy Silverado 1500 HD Engine Knock Sensor & Harness Kit
2007Chevy Silverado 1500 HD Classic Chevy Silverado 1500 HD Classic Engine Knock Sensor & Harness Kit
1999-2004Chevy Silverado 2500 Chevy Silverado 2500 V8 5.3L Engine Knock Sensor & Harness Kit
1999-2004Chevy Silverado 2500 Chevy Silverado 2500 V8 6.0L Engine Knock Sensor & Harness Kit
2001-2006Chevy Silverado 2500 HD Chevy Silverado 2500 HD V8 6.0L Engine Knock Sensor & Harness Kit
2007Chevy Silverado 2500 HD Classic Chevy Silverado 2500 HD Classic V8 6.0L Engine Knock Sensor & Harness Kit
2001-2006Chevy Silverado 3500 Chevy Silverado 3500 V8 6.0L Engine Knock Sensor & Harness Kit
2007Chevy Silverado 3500 Classic Chevy Silverado 3500 Classic V8 6.0L Engine Knock Sensor & Harness Kit
2000-2006Chevy Suburban 1500 Chevy Suburban 1500 Engine Knock Sensor & Harness Kit
2000-2006Chevy Suburban 2500 Chevy Suburban 2500 V8 6.0L Engine Knock Sensor & Harness Kit
2000-2006Chevy Tahoe Chevy Tahoe V8 4.8L Engine Knock Sensor & Harness Kit
2000-2006Chevy Tahoe Chevy Tahoe V8 5.3L Engine Knock Sensor & Harness Kit
2003-2004GMC Envoy XL GMC Envoy XL V8 5.3L Engine Knock Sensor & Harness Kit
2003-2007GMC Savana 1500 Van GMC Savana 1500 Van V8 5.3L Engine Knock Sensor & Harness Kit
2003-2007GMC Savana 2500 Van GMC Savana 2500 Van V8 6.0L Engine Knock Sensor & Harness Kit
2003-2007GMC Savana 2500 Van GMC Savana 2500 Van V8 5.3L Engine Knock Sensor & Harness Kit
2003-2007GMC Savana 2500 Van GMC Savana 2500 Van V8 4.8L Engine Knock Sensor & Harness Kit
2003-2007GMC Savana 3500 Van GMC Savana 3500 Van Engine Knock Sensor & Harness Kit
1999-2006GMC Sierra 1500 GMC Sierra 1500 V8 4.8L Engine Knock Sensor & Harness Kit
1999-2006GMC Sierra 1500 GMC Sierra 1500 V8 5.3L Engine Knock Sensor & Harness Kit
2001-2006GMC Sierra 1500 GMC Sierra 1500 V8 6.0L Engine Knock Sensor & Harness Kit
2007GMC Sierra 1500 Classic GMC Sierra 1500 Classic V8 6.0L Engine Knock Sensor & Harness Kit
2007GMC Sierra 1500 Classic GMC Sierra 1500 Classic V8 5.3L Engine Knock Sensor & Harness Kit
2007GMC Sierra 1500 Classic GMC Sierra 1500 Classic V8 4.8L Engine Knock Sensor & Harness Kit
2001-2003GMC Sierra 1500 HD GMC Sierra 1500 HD V8 6.0L Engine Knock Sensor & Harness Kit
2005-2006GMC Sierra 1500 HD GMC Sierra 1500 HD Engine Knock Sensor & Harness Kit
2007GMC Sierra 1500 HD Classic GMC Sierra 1500 HD Classic Engine Knock Sensor & Harness Kit
1999-2000GMC Sierra 2500 GMC Sierra 2500 Engine Knock Sensor & Harness Kit
2001-2004GMC Sierra 2500 GMC Sierra 2500 V8 6.0L Engine Knock Sensor & Harness Kit
2001-2006GMC Sierra 2500 HD GMC Sierra 2500 HD V8 6.0L Engine Knock Sensor & Harness Kit
2007GMC Sierra 2500 HD Classic GMC Sierra 2500 HD Classic V8 6.0L (8th Vin Digit U) Engine Knock Sensor & Harness Kit
2001-2004GMC Sierra 3500 GMC Sierra 3500 V8 6.0L Engine Knock Sensor & Harness Kit
2005-2006GMC Sierra 3500 GMC Sierra 3500 V8 6.0L (8th Vin Digit U) Engine Knock Sensor & Harness Kit
2007GMC Sierra 3500 Classic GMC Sierra 3500 Classic V8 6.0L (8th Vin Digit U) Engine Knock Sensor & Harness Kit
2000-2003GMC Yukon GMC Yukon V8 4.8L Engine Knock Sensor & Harness Kit
2000-2006GMC Yukon GMC Yukon V8 5.3L Engine Knock Sensor & Harness Kit
2001-2006GMC Yukon GMC Yukon Denali V8 6.0L Engine Knock Sensor & Harness Kit
2006GMC Yukon XL 1500 GMC Yukon XL 1500 V8 5.3L Engine Knock Sensor & Harness Kit
2003-2006GMC Yukon XL 2500 GMC Yukon XL 2500 V8 6.0L Engine Knock Sensor & Harness Kit
2005-2007Hummer H2 Hummer H2 Engine Knock Sensor & Harness Kit
1999-2002Pontiac Firebird Pontiac Firebird V8 5.7L Engine Knock Sensor & Harness Kit
2004Pontiac GTO Pontiac GTO Engine Knock Sensor & Harness Kit
Part #: 1AEEK00589


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(15:52 min)