Sierra 7884 Diesel Oil Filter
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Sierra 7884 Diesel Oil Filter
Keep your marine diesel engine protected with the Sierra 7884 Oil Filter — a heavy-duty replacement built to meet or exceed OEM filtration standards. Engineered specifically for diesel applications, this filter combines corrosion-resistant construction with high-efficiency filtration to deliver reliable performance season after season.
Key Features
- Epoxy-coated canister for superior corrosion resistance in marine environments
- Heavy-wall steel canister construction for added durability and protection
- High-efficiency filter media meets or exceeds OEM filtration standards
- Anti-drain-back valve prevents oil from draining back into the crankcase during shutdown, eliminating dry starts and protecting engine internals on startup
Fitment
Please consult the Sierra application guide or your engine owner’s manual to confirm compatibility with your specific diesel engine make, model, and year before ordering.
Related Products
- Sierra 79101 Diesel Oil Filter
- Sierra 0036 Diesel Oil Filter
- Sierra Diesel Oil Filter (47-0035)
- Sierra 47-237800 Oil Filter – Westerbeke Marine Diesel Engine
- Sierra Oil Drain Kit – 1/2"-20 Thread, 42" Length (47-7891)
Parts Desk Insights
Best Use Case: Scheduled oil and filter changes on marine diesel engines. The anti-drain-back valve makes this a strong choice for diesel-powered vessels that sit between uses — it ensures full oil pressure is available immediately on startup, reducing wear during the critical first seconds of engine operation. Replace at every oil change interval. 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.