Mercury MerCruiser — Crankcase Oil Drain Pump Assembly — 802889A1
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Mercury MerCruiser Crankcase Oil Drain Pump Assembly 802889A1
Drain engine oil through a compatible dipstick-tube fitting during routine service with crankcase oil drain pump assembly 802889A1. Match the pump and connection to your engine before ordering so the service setup fits the installed dipstick tube.
Compatible Applications
- MerCruiser sterndrive and inboard engines with the applicable threaded dipstick-tube fitting, subject to model and serial-number confirmation
- Select Mercury or Mariner 8 and 9.9 hp four-stroke outboards, subject to confirmation of the connection and any required adaptor
Check your engine model, serial number, dipstick-tube connection, and current parts diagram before ordering. Do not rely on horsepower or drive type alone.
Part Details
- Brand references: Mercury Marine, MerCruiser, Quicksilver
- Part number: 802889A1
- Product type: crankcase oil drain pump assembly
- System: engine oil service
Key Features
- Purpose-built for extracting crankcase oil during compatible engine service
- Part-number identification helps match the pump to the specified service setup
Service Guidance
Use the engine owner's manual for the correct oil type, volume, and change interval. Check that the pump connection and any adaptor required for your installation are compatible before beginning service.
Technical FAQ
Does it fit every dipstick tube? No. Confirm the threaded connection for your engine. Do smaller four-stroke outboards need an adaptor? Some 8 and 9.9 hp applications may need a separate adaptor; check the engine's parts documentation before ordering.
Parts Desk Insights
Best use: Draining crankcase oil on an engine with a confirmed compatible service connection. Common mistake: Assuming the pump connects to any dipstick tube without checking threads or adaptor requirements. Fitment: Verify the model, serial number, and connection at the engine before service.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 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.