Strut & Spring Assembly Pair TRQ SCA57086 - 1ASSP00634

In the past, replacing struts required specialized tools to compress, remove and transfer the old spring and mount.  Pre-assembled with all new parts, our complete strut and spring assemblies make this job much quicker and easier for the do-it-yourself mechanic.

Each complete strut & spring assembly contains:

  • Upper Strut Mount
  • Strut Bearing
  • Coil Spring
  • Boot & Bumper Kit
  • Gas-charged Strut 

Loaded strut & spring assemblies allow for a quicker, safer install than bare struts.  No spring compressor required! 

Trouble-Free Install

Includes the matched parts needed. New components over reused parts provide a better ride and save you from having to repair again.

Matched Parts

Not all shocks and struts are manufactured the same.  Mixing and matching can result in ride quality issues and decrease the life of the parts.

Saves Time & Money

Over buying the parts individually, or having to search different parts that are correct for your vehicle (because we did it for you!)

Part Details

  • Quantity: Pair

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 Wheel (0:56)
    • Loosen the lug nuts with the vehicle on the ground
    • Raise the vehicle with a floor jack
    • Secure the vehicle on jack stands
    • Remove the lug nuts
    • Pull off the wheel
  2. step : Removing the Strut Assembly (1:23)
    • Remove the ball joint nut with a 19mm socket and ratchet
    • Remove the 19mm nuts securing the sway bar link with a breaker bar and pair of vise grips
    • Loosen and remove the bottom strut bolt with a 21mm wrench and 18mm socket and ratchet
    • Remove the three 13mm nuts on the top of the strut, holding the strut when removing the last bolt
    • Remove the strut
  3. step : Installing the Strut Assembly (5:31)
    • Insert the strut into place, lining up the top first
    • Start a 13mm nut by hand
    • Reinstall the upper ball joint and its 19mm nut
    • Torque the bolt to 35 foot-pounds and add 90 degrees
    • Tighten the 13mm nuts on top of the strut
    • Torque the 13mm nuts to 20 foot-pounds
    • Install the bottom 19mm bolt
    • Torque the 19mm bolt to 128 foot-pounds
    • Insert the upper portion of the sway bar link
    • Tighten the 22mm nut to the sway bar link with vise grip pliers
    • Torque the 22mm nut to 95 foot-pounds
  4. step : Reattaching the Wheel (8:16)
    • Slide the wheel into place
    • Start the lug nuts by hand
    • Tighten the lug nuts preliminarily
    • Lower the vehicle to the ground
    • Tighten the lug nuts to 110 foot-pounds in a crossing or star pattern

Tools needed for replacement:

    General Tools

  • Jack Stands
  • Floor Jack

  • Materials, Fluids, and Supplies

  • Gloves
  • Rust Penetrant
  • Bungee Cord

  • Pliers, Cutters & misc Wrenches

  • Vise Grip Pliers

  • Ratchets & Related

  • Ratchet
  • Torque Wrench
  • Socket Extensions
  • 1/2 Inch Breaker Bar

  • Sockets - Metric

  • Complete Metric Socket Set

4.4 / 5.0
23 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
First time customer
Im a 22 year old DIY type of guy thanks to my Father. Unfortunately my front struts where going bad on my 07 Chrysler 300. After pricing local shops and dealers on a replacement, we decided to tackle this head on. Doing research on struts i found pre assembled struts will be the best bet. 1AAuto had the most reasonable price i could fine for my expenses. My Father and I were astound that 1AAuto not only had the OEM part but an instructional video, tool list, and warnings of comon mistakes. My standard shipping arrived in 2 days and it was free! Between the exact fit and the knowledge from the video we knocked the job out in 2 hours. While the passenger strut was removed from my car we noticed the upper control arm had to be replaced. With no time to waste i had to purchase one from the dealer that cost me more than a pair of pre assembled struts. When we got back to the car the first thing i did was watch 1AAuto's video on how to install the control arm. Now she drives so much better. This job was so easy im now saving to finish my front and rear suspension. Thank you 1AAuto, from your new lifetime customer!
April 27, 2018
3 months ago
Struts and shocks
I ordered new shocks and struts in a kit from
When they arrived I was ready to get started on my project.
Everything fit perfect and was very pleased that the kit included the hardware I needed to complete my work to my 06 dodge charger.The job went smoothly and now my ride is ready to drive smoothly as well.
April 15, 2018
3 months ago
Great company
These were fast and easy to install. I called on phone make sure what suspension I had. they looked up the vin got me the right parts. I will do business again thanks
March 28, 2018
4 months ago
Good quality part
The strut assemblies were well built, easy to install and the online video made installation easy.
March 24, 2018
4 months ago
Love them
Fast shipping Greta product always deliver a great product for a good price
March 16, 2018
4 months ago
Shopping experience was good. Videos are great. Product was affordable but displeased with how noisey these struts are. 3 weeks in and i thought the rubbers would break in but still squeeking. Going to purchase a different brand.
March 11, 2018
5 months ago
Awesome prices and great quality
I have order many parts from here, never disappointed, will continue to order from 1A Auto.
February 23, 2018
7 months ago
Good Product
I couldn't find a better price anywhere. The parts came as advertised and were easy to install. Took a couple days to get to me through the mail, but it wasn't long. I highly recommend using 1A Auto!
January 25, 2018
6 months ago
as advertised
direct fit. I like that they include the lock nut! the original struts have a welded nut.
December 11, 2017
7 months ago
1st time buyer so far - so good.....
Arrived ahead of time. package was not all beat up.
For what these are, no auto parts store in my neighborhood could touch this price.
Installed. The car rides nice (so far.)
I would recommend these to anyone who might be unsure of these.
Will come back to this company for all of my auto parts in the future
I will be sure to adjust my rating (as needed)
November 28, 2017
8 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 13 questions Browse 13 questions and 14 answers
O'Reilly's web page has extended, compressed & travel length measurements. What does it mean if one says 25" for extended lenght or 17" length & which one fits for a touring edition?
Jay M on Nov 29, 2017
BEST ANSWER: The length is for the strut fully extended or compressed. This is not where the car normally rides. The only difference in struts on 300,s are for the SRT8 and cars with self leveling. The rest interchange between models
Will these work on the R/T?
Pierre B on Sep 23, 2017
BEST ANSWER: Should be fine, only thing is that it doesn't come with a nut fused into the strut for the bottom bolt so you gottta hit a hardware store for a nut. Look at the struts on the dodge on the bottom and you'll see what I'm talking about. There's a nut that catches the bolt. I've got an RT myself, I got the struts for my brother's Chrysler 300.
Are these for 300c with hdmi?
Vdogg on Sep 3, 2017
BEST ANSWER: As long as your 300C is RWD and does not have the SRT-8 package they will fit!
Does the parts that am ordering actually fit my 2009 dodge charger how about if it doesnt ?
Fili M on Jun 12, 2018
BEST ANSWER: Hello, As long as you have rear wheel drive and do not have sport suspension then these parts should be able to fit. Thank you, 1A Auto
By pair, does that me two separate assemblies?
Ken T on Jan 23, 2018
BEST ANSWER: They come as a pair and are very reliable and easy to install! Good luck!
Is this for two separate struts? It says pair
Ken T on Jan 23, 2018
BEST ANSWER: It includes driver side front (left) and passenger side front (right)
Looking for front 05magnum AWD STRUTS W/coil springs?
Cesar H on Aug 28, 2017
BEST ANSWER: Unfortunately these are for RWD, and any of the strut-spring components we have for the 2005 Magnum are all out of stock.
Will it fit the sxt model?
Jose U on Aug 23, 2017
BEST ANSWER: Yes, as long as all of the other vehicle specifications match our description.
Will these fit on a SRT design?
Adam S on Jul 30, 2017
BEST ANSWER: No, these will not fit the SRT model.
Are the struts spring's pre load ?
Earl M on May 11, 2017
BEST ANSWER: Yes, the struts are preloaded to OE specifications.
Will this fit a Chrysler 300c with a 5.7L Hemi or should I use the ones made for the SRT-8?
Julio J on Apr 13, 2018
This strut will not fit my 2006 300 srt8?
Ronnie on Aug 29, 2017
Do you have any preloaded struts for 09 charger police package?
Chris G on Aug 7, 2017

Vehicle Fit

  • 2005-2010 Chrysler 300 Rear Wheel Drive (excluding SRT-8) Front Strut & Spring Assembly Pair TRQ SCA57086
  • 2006-2010 Dodge Charger Rear Wheel Drive Front Strut & Spring Assembly Pair for Models without Sport Suspension (excluding Police Package) TRQ SCA57086
  • 2005-2008 Dodge Magnum Rear Wheel Drive Front Strut & Spring Assembly Pair for Models without Sport Suspension (excluding Police Package) TRQ SCA57086

This part replaces:

  • Monroe 172248
  • TRQ SCA57086
Part #: 1ASSP00634

Brand #: SCA57086

How-to Video:

(08:42 min)