Sierra 78791 Oil Filter – GM/Chevy V-6
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Sierra 78791 Oil Filter – GM/Chevrolet V-6 Marine Engine
Keep your GM/Chevrolet V-6 powered marine engine running clean with the Sierra 78791 Oil Filter. Engineered to meet OEM specifications, this high-efficiency replacement filter delivers reliable filtration and corrosion-resistant durability for inboard and sterndrive applications.
Key Features
- High-efficiency filter media meets OEM specifications for marine use
- Epoxy-coated interior for superior corrosion resistance in marine environments
- Designed specifically for GM/Chevrolet V-6 marine engine applications
- Reliable OEM-replacement fit for compatible inboard and sterndrive engines
Fitment
Designed for GM/Chevrolet V-6 powered marine engines. Please consult the Sierra application guide or your engine owner’s manual to confirm compatibility with your specific engine make, model, and year before ordering.
Related Products
- Sierra 78242 Oil Filter – GM/Chev Short
- Sierra Marine Oil Filter – GM/Chevrolet Long Style (47-78761)
- Sierra 79101 Diesel Oil Filter
- Sierra 7884 Diesel Oil Filter
- Sierra Oil Drain Kit – 1/2"-20 Thread, 42" Length (47-7891)
Parts Desk Insights
Best Use Case: Routine oil and filter changes on GM/Chevrolet V-6 powered marine inboard and sterndrive engines — a common configuration in MerCruiser and similar sterndrive packages. Confirm your engine’s specific filter requirement before ordering, as GM marine applications span multiple filter sizes and styles. Replace at every oil change interval to maintain engine protection. Always verify fitment against your engine’s model and serial number using the Sierra application guide before purchase.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.