Upgrade or replace your vessel's primary wiring with this New Universal Boat Side Engine Harness manufactured by CDI Electronics. This harness is designed for Mercury outboard applications through 1978 where the harness enters through the side of the engine cowling.
Engineered to restore reliable communication between your helm controls and the engine, this harness is compatible with various CDI and OEM engine-side harnesses. It features long-reach leads to accommodate most standard boat configurations, providing a durable, marine-grade connection that resists corrosion and electrical signal degradation.
Product Features
- Manufacturer: CDI Electronics
- Application: Mercury Outboard Motors (Boat Side)
- Configuration: Side Cowling Entry
- Year Range: Through 1978
- Lead Lengths: 6-foot battery leads and 20-foot control harness
- Primary OEM Replacement: 84-822253T20
- Cross Reference Numbers: 45876A10, 45876A15, 45876A20, 474-9550, 84-822253A20, 18-5511, 2964510, 3912515, 458765 (Full list available upon request)
- Part Number: 474-9550
- Condition: 100% brand-new CDI Electronics part
Compatibility
This boat-side harness is designed to fit engines using the following harnesses:
- CDI Harnesses: 414-2770, 414-3369, 414-5532
- OEM Harnesses: Various Mercury factory engine-side harnesses produced through 1978.
Additional Information
NOTE: Additional parts are available for these motors, though not all are currently listed on our website. If you require additional components for a full rebuild, please contact us through the website or email, and we can build a larger custom order for you.
INSTALLATION NOTE: This is the boat-side portion of the harness. Please ensure your engine-side harness and cowling entry point match the "Side Entry" specifications before ordering.
Shipping Information
SHIPPING: We offer $7.95 flat rate shipping to anywhere in the lower 48 states.
Shipping to Alaska, Hawaii, and other U.S. Territories will incur additional fees. International shipping will be calculated after checkout. International customers will receive an email and a PayPal money request for the additional shipping charges at the provided email address. (Some items are excluded from international shipping.)
Customer Support
For questions or to confirm compatibility, please email customerservice@marinepartswarehouse.com.
Please include your engine model number to help confirm proper fitment before ordering.
