Switch Box Mercury Mariner | CDI 114-4911
Switch Box Mercury Mariner | CDI 114-4911
CDI Electronics
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Switch Box Mercury Mariner | CDI 114-4911
CDI Electronics Mercury Mariner Switch Box | 114-4911
High performance replacement ignition pack for various 20 HP & 40 HP Mercury/Mariner 2 cylinder outboard engines.
- CDI Electronics outboard ignition pack
- Fits Mercury and Mariner 20 HP model 200 2 cylinder outboard engines from 1973 to 1977 with serial number range 3537531-4403786
- Fits Mercury and Mariner 40 HP model 402 outboard engines from 1972 to 1977 with serial number range 3336258-4860102
- Fits Mercury and Mariner 40 HP 2 cylinder outboard engines from 1975-1981 with serial number range 4117710-5823917
- CDI determines the most common causes of component failure and designs their replacements to be better than the original
- Replaces Mercury 18495A 9, 18495A14, 18495A16, 18495A17, 18495A20, 18495A21, and 18495A30
- Replaces Sierra 18-5786 & 18-5787
! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.