Description

ARCO Marine Inboard Premium Replacement Distributor Cap f/Mercruiser Inboard Engines w/Thunderbolt IV & V HEI is organized for ignition & electrical engine parts shoppers who need a clear, professional marine parts buying experience.

Premium Replacement Distributor Cap for Mercruiser Inboard Engines with Thunderbolt IV & V HEI This distributor cap fits GM V-8 Motors with Thunderbolt IV and V HEI Ignitions. Replaces: MERCRUISER Distributor Cap 16457A4 MERCRUISER Distributor Cap 43557 MERCRUISER Distributor Cap 43557A1 MERCRUISER Distributor Cap 805759A2 MERCRUISER Distributor Cap 80579A5 MERCRUISER Distributor Cap 805759T1 MERCRUISER Distributor Cap 805759T2 MERCRUISER Distributor Cap 90746A1 PLEASURECRAFT Distributor Cap RA108009 VOLVO PENTA Distributor Cap 3858975 INDMAR Distributor Cap 556345 SIERRA Distributor Cap 18-5395 CDI ELECTRONICS Distributor Cap E64-0010 *ARCO Assurance 12-month part and labor warranty protect

Fitment & Product Details

• Brand / Manufacturer: ARCO Marine, Volvo Penta, CDI Electronics
• Application: Inboard Parts, Sterndrive Parts

• Search-optimized by brand, system, part type, and fitment cues.
• Verify compatibility with your original part number, engine model, and application before ordering.
• Built for boat owners, e-commerce shoppers, and professional marine service teams.