Walker
Full Service Kit

Walker 921-92105 Ignition Coil

Brand Walker 921-92105
Product line Full Service Kit
Fits Buick and Cadillac · 20 vehicles

Full service kit. Complete ignition coil solution for a straightforward replacement.

Ignition coil. Delivers the spark energy needed for reliable engine operation.

$65.03Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $65.03
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Full Service Kit Ignition Coil

Walker 921-92105 is an ignition coil application for select Buick and Cadillac vehicles. It is listed for full service kit use on the 2007-2011 Buick Lucerne, 2007-2011 Cadillac DTS, 2007-2010 Cadillac STS, 2007-2009 Cadillac SRX, and 2007-2009 Cadillac XLR.

Key Features

  • Ignition coil part for select GM applications
  • Walker Full Service Kit product line
  • Direct fitment coverage for multiple Buick and Cadillac models
  • Part number 921-92105 for accurate catalog matching
  • Fits vehicles across the 2007-2011 model years

Fitment Details

  • Fits 2007-2011 Buick Lucerne, N/A, Full Service Kit
  • Fits 2007-2011 Cadillac DTS, N/A, Full Service Kit
  • Fits 2007-2010 Cadillac STS, N/A, Full Service Kit
  • Fits 2007-2009 Cadillac SRX, N/A, Full Service Kit
  • Fits 2007-2009 Cadillac XLR, N/A, Full Service Kit

What This Part Helps Address

  • Engine misfire conditions tied to weak ignition output
  • Hard starting caused by inconsistent spark delivery
  • Rough idle from ignition coil performance loss
  • Loss of power under load related to ignition breakdown
  • Check engine light concerns associated with ignition system faults

Installation Notes

Verify the vehicle year, make, and model before ordering. Confirm the ignition coil application against the existing part number 921-92105 and the vehicle’s service information for proper installation and diagnosis.

Quality Assurance

Walker Full Service Kit identifies the product line for this ignition coil application and supports catalog-level fitment matching for Buick Lucerne, Cadillac DTS, Cadillac STS, Cadillac SRX, and Cadillac XLR vehicles.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2011BuickLucerne4.6LV8Full Service Kit
2011CadillacDTS4.6LV8Full Service Kit
2010BuickLucerne4.6LV8Full Service Kit
2010CadillacDTS4.6LV8Full Service Kit
2010CadillacSTS4.6LV8Full Service Kit
2009BuickLucerne4.6LV8Full Service Kit
2009CadillacDTS4.6LV8Full Service Kit
2009CadillacSRX4.6LV8Full Service Kit
2009CadillacSTS4.6LV8Full Service Kit
2009CadillacXLR4.6LV8Full Service Kit
2008BuickLucerne4.6LV8Full Service Kit
2008CadillacDTS4.6LV8Full Service Kit
2008CadillacSRX4.6LV8Full Service Kit
2008CadillacSTS4.6LV8Full Service Kit
2008CadillacXLR4.6LV8Full Service Kit
2007BuickLucerne4.6LV8Full Service Kit
2007CadillacDTS4.6LV8Full Service Kit
2007CadillacSRX4.6LV8Full Service Kit
2007CadillacSTS4.6LV8Full Service Kit
2007CadillacXLR4.6LV8Full Service Kit