Ignition Control Module For Chevrolet GMC 1500 2500 3500 4.3 7.4L

A failing ignition control module often causes hard starting, engine misfires, or sudden stalling in older General Motors trucks and full-size vans. This direct-fit Ignition Control Module restores precise spark timing to your 4.3L V6 or 5.0L, 5.7L, 6.5L, and 7.4L V8 engines, bringing reliable cold starts and smooth idling back to your vehicle. Designed as a seamless replacement for worn-out factory units, it eliminates common electrical gremlins that leave your Silverado, Yukon, Suburban, Express, Sierra, Tahoe, Escalade, Roadmaster, or Firebird stranded.

Benefits & Installation Tips

• Precision Diagnostics: Swap outdated modules with stable circuitry, though verify crankshaft and camshaft position sensors first, as degraded sensors trigger identical no-start symptoms.
• Safe Replacement: Always disconnect the negative battery terminal before unplugging connectors to prevent short circuits or sensitive ECU voltage spikes during handling.
• Performance Restoration: Reinstalling this unit quickly resolves hesitation under acceleration, rough idle, and intermittent power loss caused by oxidized internal connections.

Technical Specifications

• OEM Cross-Reference: Matches part numbers 10482803, 21664, D579, DR178, 16201599, 16208961, 28008597, and variants like 8104828030 / 8-10482-803-0
• Engine Compatibility: Specifically calibrated for 4.3L V6, 5.0L V8, 5.7L V8, 6.5L Diesel V8, and 7.4L Big Block V8 platforms
• Item Type: Separate Ignition Control Module
• Origin: Manufactured in Mainland China

Package includes: 1 x Ignition Control Module

Note: Inventory may ship either the revised or standard housing style depending on stock availability. Because fitment relies heavily on exact engine displacement and model year, verify your specifications against the original equipment number before purchase. If you have doubts about your truck’s configuration, message us directly to confirm compatibility and avoid unnecessary returns.

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