Walker 921-2124 Ignition Coil

Walker ThunderSpark Ignition Coil for Suzuki and Pontiac

Walker ThunderSpark ignition coil Part Number 921-2124 is a direct-fit ignition component for select Suzuki and Pontiac applications. It is listed for 1999-2001 Suzuki Swift, 1999-2001 Suzuki Vitara, 2002 Suzuki Vitara, and 1999-2000 Pontiac Firefly, with fitment notes that include ThunderSpark and Single Coil configurations.

Key Features

• Walker ThunderSpark ignition coil for OE-style ignition service
• Fits 1999-2001 Suzuki Swift, ThunderSpark
• Fits 1999-2001 Suzuki Vitara, ThunderSpark
• Fits 2002 Suzuki Vitara, Single Coil
• Fits 1999-2000 Pontiac Firefly, Single Coil
• Part Number 921-2124 for catalog matching and fitment lookup

Product Details

This ignition coil is built for vehicles that need a replacement coil to restore proper spark delivery from the ignition system. Walker ThunderSpark 921-2124 serves as a fitment-specific replacement for Suzuki Swift and Suzuki Vitara models in ThunderSpark applications, as well as Pontiac Firefly models listed with Single Coil notes. Use this part when servicing ignition misfire concerns on the listed vehicles and when matching the original coil configuration by application.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Uses

• Engine misfire diagnosis tied to weak or inconsistent spark output
• Hard starting caused by ignition coil failure
• Rough idle related to degraded coil performance
• Loss of power under load from insufficient ignition energy
• Check engine light conditions associated with ignition coil faults

Installation Notes and Tips

Verify the vehicle year, make, model, and ignition configuration before ordering. For fitment accuracy, match the ThunderSpark or Single Coil note shown in the catalog listing. Inspect related ignition components during replacement to confirm the root cause of the fault and to avoid repeat repairs.

Quality Assurance

Walker ThunderSpark parts are cataloged for application-specific fitment and are identified by Part Number 921-2124 for accurate ordering and service reference.