ARCO Marine Premium Replacement Distributor Cap f/Mercruiser Inboard Engines w/Thunderbolt IV V HEI

Enhance the reliability and performance of your Mercruiser inboard engine with our Premium Replacement Distributor Cap, specifically engineered for Thunderbolt IV & V HEI ignition systems. Crafted to meet high marine standards, this distributor cap ensures smooth and efficient engine operation, keeping your boating adventures on track.

Key Features

• Designed for GM V-8 Motors with Thunderbolt IV and V HEI Ignitions
• High-quality materials for durability in marine environments
• Precision-engineered to ensure optimal performance and fit
• Easy installation for minimal downtime

Compatibility

This distributor cap is compatible with a range of Mercruiser models, ensuring a perfect fit for your engine. Below is a table of compatible part numbers:

Manufacturer	Distributor Cap Part Number
MERCRUISER	16457A4
MERCRUISER	43557
MERCRUISER	43557A1
MERCRUISER	805759A2
MERCRUISER	80579A5
MERCRUISER	805759T1
MERCRUISER	805759T2
MERCRUISER	90746A1
PLEASURECRAFT	RA108009
VOLVO PENTA	3858975
INDMAR	556345
SIERRA	18-5395
CDI ELECTRONICS	E64-0010

Warranty Protection

ARCO Assurance offers a 12-month part and labor warranty protection, ensuring your peace of mind with your purchase.

Return Policy

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Product Demonstration

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.