Rotor Thunderbolt V8 - Trigger Wheel | Sierra 18-5431
Rotor Thunderbolt V8 - Trigger Wheel | Sierra 18-5431
Sierra
Low Stock: 8 left
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Rotor Thunderbolt V8 - Trigger Wheel | Sierra 18-5431
V8 Thunderbolt Rotor - Trigger Wheel | Sierra 18-5431
Rotor fits Mercruiser V8 marine engines with Thunderbolt ignition systems.
- Rotor and trigger wheel for V8 Mercruiser Thunderbolt marine distributors
- Replaces Mercury 13524A5 and 13524T1
! 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.