Upgrade your vintage ignition system with this New Distributor Trigger Housing manufactured by CDI Electronics. This advanced assembly is specifically designed for Mercury 65 HP to 150 HP 4 & 6 Cylinder Inline engines produced between 1967 and 1979 that utilize battery-powered distributors.
This unit features modern Hall Effect Technology, which offers significantly improved timing accuracy and easier installation compared to original mechanical designs. The updated housing includes a replaceable cap design, ensuring longer service life and easier maintenance. This professional-grade component is essential for resolving intermittent spark issues or total ignition failure on classic Mercury powerheads.
Product Features
- Manufacturer: CDI Electronics
- Application: Mercury Outboard Motors (4 & 6 Cylinder Inline)
- Horsepower Range: 65 HP – 150 HP
- Technology: Hall Effect (requires included steel trigger disk)
- Design: Replaceable disk cap for extended service life
- Primary OEM Replacement: 393-3736A79
- Cross Reference Numbers: 3736A23, 3736A3, 3736A77, 4177A3, 332-4177A3
- Part Number: 134-3736 (Replaces 393-3736A79)
- Inclusions: 4 & 6 cylinder steel trigger disks, oversized spacer, bearings, and snap ring
- Condition: 100% brand-new CDI Electronics part
Motor Compatibility
This trigger housing is compatible with the following Mercury/Mariner models:
- 80 & 85 HP (4-Cylinder): 1969 – 1975
- 90 & 110 HP (Inline 6): 1967 – 1979
- 115 & 135 HP (Inline 6): 1970 – 1979
- 140 & 150 HP (Inline 6): 1972 – 1979
- Requirement: Must be equipped with a battery-powered distributor.
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.
IMPORTANT INSTALLATION NOTE: This trigger requires the use of the included steel trigger disk. It is not compatible with factory original disks. Additionally, this system should not be used with "Maintenance-Free" or "Low-Maintenance" batteries, as voltage exceeding 16 volts may damage the ignition components.
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.
