Sierra 118-5352 Distributor Cap for Ford & GM V-8 Marine Engines with Prestolite Ignition

The Sierra 118-5352 is a premium replacement distributor cap designed for Ford and GM V-8 marine engines equipped with Prestolite conventional ignition systems. This screw hold-down style cap plays a critical role in your engine's ignition system by distributing electrical current from the ignition coil to the spark plugs while protecting the distributor and rotor from contamination.

Key Features:

• High dielectric strength polyester construction with glass filler for superior electrical insulation
• Brass inserts prevent formation of aluminum oxide, ensuring reliable long-term performance
• Precision injection-molded design with close tolerances guarantees perfect fit and roundness
• Maintains excellent dielectric strength even under elevated engine temperatures
• Screw hold-down attachment style for secure mounting
• Meets or exceeds original equipment specifications

This distributor cap is compatible with various marine engine brands including Mercruiser, OMC Sterndrive/Cobra, Volvo Penta, Chris-Craft, Chrysler, Crusader, and Pleasurecraft. It replaces OEM part numbers including 392-9766Q1, 984401, RA108003, and others. Essential for maintaining reliable engine performance and a key component of any complete tune-up service.