The ThunderSpark Distributor Cap (part number 925-1057) is a direct-fit replacement for 1975-1994 Chevrolet, Geo, GMC, and Subaru vehicles with 1.6L, 1.4L, and 1.3L engines. Walker Products Distributor Caps are OE Replacement components that restore accurate spark distribution and reliable ignition system performance.
Features:
- OE Replacement Quality:Â Built to meet OE specs for terminal alignment, dielectric strength, and conductive path precision.
- Exact OE Fit: Designed for 100% fit with original distributor housings—ensuring a secure seal and reliable contact points.
- Heat-Resistant Materials:Â Constructed with high-dielectric compounds to withstand high voltage, thermal cycling, and engine vibration.
- Directs High-Voltage Spark:Â Routes ignition coil output to the correct cylinder to ensure proper firing order and engine performance.
- Restores Ignition Timing & Spark Delivery:Â Helps resolve misfires, hard starts, and poor performance caused by cracked or worn caps.
Specifications:
Fits: 1975-1994 Chevrolet, Geo, GMC, Subaru, and Suzuki models including Tracker, GL, Standard, Samurai, Sidekick, SJ410, Celica, Corolla and more — 1.6L, 1.4L, and 1.3L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Forecast 4818, Forecast 4831, Carquest 51-1707, General Motors 1212208, General Motors 12322123, General Motors 12351524, General Motors 96059524, Advan-Tech 1S3 and 16 more
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
