OMC Cobra Impeller | Sierra 18-3058
OMC Cobra Impeller | Sierra 18-3058
Sierra
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OMC Cobra Impeller | Sierra 18-3058
OMC Cobra Impeller | Sierra 18-3058
Sierra replacement impeller for OMC Cobra stern drives.
- Sierra OMC impeller
- For Cobra stern drives coupled to OMC 2.3L (1987-90), 2.5L (1986), 3.0L (1986-92), 4.3L (1986-92), GM 5.0L (1986-92), GM 5.7L (1986-92), and 7.4L (1990-91) marine engines
- For Cobra stern drives coupled to Ford 5.8L (1989-93), Ford 5.0L (1986-93) and 7.5L (1988-90) marine engines
- 10 blade with key drive
- Replaces OMC 777128, 983895
- Replaces Mercury 879141
- Replaces Mallory 9-45280
! 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.