Walker 921-92003 Ignition Coil

Ignition Coil for Select GM and Isuzu SUVs

Walker Full Service Kit 921-92003 is an ignition coil application for select Chevrolet, GMC, Buick, Oldsmobile, Saab, Hummer, and Isuzu vehicles. It is built for direct-fit service on listed applications, including Chevrolet Colorado, GMC Canyon, and Isuzu Ascender models.

Key Features

• Walker Full Service Kit ignition coil application
• Part number 921-92003 for catalog and service matching
• Compatible with select 2002-2008 GM and Isuzu platforms
• Fits vehicles with N/A position listings as shown in the fitment data
• Includes a fitment note for 2003 Isuzu Ascender: boot and spring

Fitment Details

• Fits 2008 Isuzu Ascender, N/A
• Fits 2004-2005 Isuzu Ascender, N/A
• Fits 2007-2008 Isuzu i-290, N/A
• Fits 2007 Isuzu i-370, N/A
• Fits 2004-2006 Chevrolet Colorado, N/A
• Fits 2004-2006 GMC Canyon, N/A
• Fits 2006 Hummer H3, N/A
• Fits 2006 Isuzu i-280, N/A
• Fits 2006 Isuzu i-350, N/A
• Fits 2004-2005 Buick Rainier, N/A
• Fits 2002-2005 Chevrolet Trailblazer, N/A
• Fits 2002-2005 Chevrolet Trailblazer EXT, N/A
• Fits 2002-2005 GMC Envoy, N/A
• Fits 2002-2005 GMC Envoy XL, N/A
• Fits 2004-2005 GMC Envoy XUV, N/A
• Fits 2005 Saab 9-7x, N/A
• Fits 2002-2004 Oldsmobile Bravada, N/A
• Fits 2003 Isuzu Ascender, N/A, Incl. Boot and Spring

What This Part Helps Address

• Engine misfire conditions
• Hard starting or extended crank time
• Rough idle and hesitation under load
• Loss of spark output from a failing coil
• Check engine light concerns tied to ignition performance

Installation Notes and Tips

Verify the vehicle year, make, and model against the fitment list before ordering. For Chevrolet Colorado, GMC Canyon, and Isuzu Ascender applications, confirm the ignition coil location and connector style match the original part. The 2003 Isuzu Ascender listing includes boot and spring in the fitment notes; compare the existing setup before installation. Part number 921-92003 is useful when cross-checking service records or replacement references.

Quality Assurance

Walker Full Service Kit 921-92003 is cataloged for direct replacement on the listed applications and is supported by fitment-specific vehicle coverage for Chevrolet Colorado, GMC Canyon, and related GM and Isuzu models. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.