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Vehicle Fit

Part Details

  • Spark Plug Type:   Platinum
  • Quantity:   6 Piece Set

Specifications:

  • Brand new AC Delco Spark Plug
  • Comes as a Set of 6
  • Built to strict quality control standards

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

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 Wiper Arm (0:42)
    • Squeeze and pop off the windshield wiper nut caps off
    • Use a piece of tape to mark the position and angle of the wiper blade
    • Remove the two 15mm nuts from the wiper arms
    • Work the wiper arms off of the splines
  2. step : Removing the Windshield Wiper Transmission Assembly (1:47)
    • Remove the weatherstrip
    • Remove the four 7mm screws from the cowl panel
    • Remove the plastic
    • Remove the 10mm nut up against the fender
    • Remove the two 10mm bolts securing the wiper transmission to the assembly
    • Lift up the wiper transmission assembly and disconnect the wiring harness
  3. step : Removing the Intake Manifold (3:26)
    • Remove the oil fill cap
    • Remove the engine cover
    • Install the oil fill cap
    • Loosen the air intake hose clamp from the throttle body
    • Remove the yellow safety on the throttle body electrical connector
    • Release the connector from the throttle body motor
    • Pry the tab on the fitting and remove the fitting from the throttle body
    • Pry off the two vacuum fittings with a flat blade screwdriver
    • Pry the wire loom from the intake with a flat blade screwdriver
    • Remove the vacuum booster line from the side of the intake
    • List the sound deadening material and disconnect the two wiring harnesses
    • Remove the four 10mm harness hold down bolts
    • Remove the three 10mm bolts from the intake
    • Loosen the 18mm bolts near the power steering fluid
    • Remove the six 13mm bolts from atop the intake
    • Release the harness retainer from the throttle body
    • Lift the intake manifold
  4. step : Removing the Ignition Coil (6:20)
    • Disconnect the ignition coil wiring harness
    • Loosen the 10mm bolt from the ignition coil
    • Pull the ignition coil up and out
  5. step : Removing the Spark Plug (7:09)
    • Loosen the spark plug with a 5/8 inch spark plug socket
    • Remove the spark plug
  6. step : Installing the New Spark Plug (7:52)
    • Put the new spark plug into place
    • Tighten the spark plug with a 5/8 inch spark plug socket
    • Tighten the spark plug to 15 inch-pounds of torque
  7. step : Installing the New Ignition Coil (8:05)
    • Push the new ignition coil into place with the wiring connector facing the rear of the vehicle
    • Insert the two 8mm bolts into the ignition coil
    • Connect the ignition coil wiring harness
    • Repeat Steps for the remaining coils
  8. step : Reinstalling the Intake Manifold (8:30)
    • Remove the old upper plenum gaskets
    • Clean the edges and oil and debris off with brake cleaner
    • Repeat the process for the bottom ports of the intake manifold
    • Insert the gaskets onto the engine
    • Place the intake manifold onto the engine
    • Tighten the six 13mm bolts onto the intake manifold
    • Torque the bolts to 17 foot-pounds
    • Connect the electrical connectors at the rear of the manifold
    • Reconnect the PCV lines, brake booster, and vacuum lines
    • Connect the fitting to the front of the manifold
    • Tighten the four 10mm harness hold down bolts
    • Spin the 10mm bolt into the bracket
    • Tighten the 18mm bolts near the power steering
    • Reinstall the sound deadening material
    • Connecting the throttle body connector and safety
    • Insert the airbox to the throttle body
    • Tighten the clamp with a flat blade screwdriver
    • Remove the oil fill cap
    • Replace the engine cover
    • Tighten the oil fill cap
  9. step : Reinstalling the Windshield Wiper Transmission (12:12)
    • Connect the electrical connector to the wiper transmission
    • Insert the wiper transmission into place
    • Tighten the two 10mm bolts to the transmission assembly
    • Insert the driver side cowl cover into place
    • Tighten the 10mm nut to the cowl cover
    • Insert the passenger side cowl cover into place
    • Tighten the 10mm nut to the cowl cover
    • Reinstall the weatherstrip
  10. step : Reinstalling Wiper Arms (14:00)
    • Line up the wiper to the tape mark
    • Torque the bolt to 26 foot-pounds
    • Replace the bolt cap
    • Close the hood
    • Remove the tape
    • Check for proper operation of the wiper motor

Tools needed for replacement:

    Materials, Fluids, and Supplies

  • Brake Parts Cleaner
  • Painter's Tape
  • Cloth Rags

  • Ratchets & Related

  • Ratchet
  • Torque Wrench
  • Socket Extensions

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 18mm Socket
  • 15mm Socket
  • 13mm Socket
  • 7mm Socket
  • 10mm Socket

  • Sockets - SAE

  • 5/8 Inch Spark Plug Socket

  • Wrenches - Metric

  • 10mm Wrench

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AC Delco Sparks for 2008 Caddy CTS
I got these AC Delco sparks for my 2008 Cadillac CTS 3.6L Direct Inject. They work great.
January 25, 2017
Spark plugs
They fit the car great. Was easy to install. And the service was great the parts arrived when they were suppose to
March 1, 2017
Will this fit my car? Add a vehicle to make sure
Customer Q&A
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Year Make Model Description
2005-2008Buick Allure Buick Allure Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
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2005-2008Buick LaCrosse Buick LaCrosse Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2005-2006Buick Rendezvous Buick Rendezvous Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2005-2009Cadillac CTS Cadillac CTS Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2006-2007Cadillac CTS Cadillac CTS Platinum Spark Plug 6 Piece Set V6 2.8L ACDelco 41-990
2005-2009Cadillac SRX Cadillac SRX Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2005-2009Cadillac STS Cadillac STS Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2009GMC Acadia GMC Acadia Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2007-2009Pontiac G6 Pontiac G6 Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2008-2009Pontiac G8 Pontiac G8 Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2008-2009Pontiac Torrent Pontiac Torrent Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2007-2009Saturn Aura Saturn Aura Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2009Saturn Outlook Saturn Outlook Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
2008-2009Saturn Vue Saturn Vue Platinum Spark Plug 6 Piece Set V6 3.6L ACDelco 41-990
Part #: ACEEK00035


Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

AC DELCO
Brand #: 41-990

How-to Video:

(15:26 min)