Distributor Cap Mercury Marine V8 | Sierra 18-5389
Sierra V8 Distributor Cap | 18-5389
Replacement cap for original Mercury Marine V8 Autolite ignition systems.
- Fits Mercruiser Ford 302 & 351 CID & GM 350, 427, 454, & 482 marine engines with Autolite, Holley and Mercury Marine conventional ignition
- Replaces Mercury 393-4988T, 393-4988T2, 393-4988, 393-3230
- Replaces Mallory 9-29421
