The ThunderSpark Distributor Cap (part number 925-1009) is a direct-fit replacement for 1982-1995 Buick, Chevrolet, GMC, and Isuzu vehicles with 2.8L and 3.1L engines. Walker Products Distributor Caps are OE Replacement components that restore accurate spark distribution and reliable ignition system performance.
Features:
- 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.
- Heat-Resistant Materials:Â Constructed with high-dielectric compounds to withstand high voltage, thermal cycling, and engine vibration.
- Exact OE Fit: Designed for 100% fit with original distributor housings—ensuring a secure seal and reliable contact points.
- OE Replacement Quality:Â Built to meet OE specs for terminal alignment, dielectric strength, and conductive path precision.
Specifications:
Fits: 1982-1995 Buick, Chevrolet, GMC, Isuzu, and Jeep models including Century, Skylark, Camaro, Celebrity, Citation, Citation II, Lumina APV, S10 and more — 2.8L and 3.1L 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 4984, Carquest 51-1583, AP Exhaust D-341, Echlin RR-211, Filko DR-194, General Motors 820558, General Motors 1839985, General Motors 1858484 and 24 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.
