SIERRAMARINE Distributor Cap, Part Number 185396

Fits GM V-6 Engines With Thunderbolt IV And V HEI Ignitions; Black; With Gasket

The SIERRAMARINE Distributor Cap, Part Number 185396, is a replacement ignition component designed to help maintain dependable spark distribution in compatible marine engine systems. The distributor cap directs high-voltage current from the ignition coil to the appropriate spark plug terminal, supporting consistent ignition timing and reliable engine operation. Replacing a worn, cracked, contaminated, or otherwise damaged cap can help restore proper ignition performance and reduce the risk of hard starting, misfires, or uneven running.
This distributor cap is suited for marine service applications where the SIERRAMARINE 185396 part number is specified. Its replacement-focused design supports straightforward installation using the existing compatible distributor assembly, helping simplify routine maintenance and ignition system repairs. Before ordering, verify the part number and application requirements against the engine and distributor manufacturer’s service information to ensure proper fit and performance. SIERRAMARINE delivers marine replacement components intended to support dependable equipment operation in demanding on-water environments.

Features:

• Marine ignition component: Helps distribute high-voltage current from the ignition coil to the correct spark plug terminals.

• Replacement application: Designed to replace a worn or damaged distributor cap in compatible marine engine systems.

• Part number identification: SIERRAMARINE Part Number 185396 supports accurate application and replacement verification.

• Ignition system support: Helps promote consistent spark delivery, reliable starting, and smooth engine operation.

• Service-ready design: Supports routine maintenance and repairs when matched to the correct distributor assembly.