sevencow Oil Reservoir Cap Assembly for Mercury Outboard EFI PRO MAX 105-240HP
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Description
xSevencow Oil Reservoir Cap Assembly for Mercury Outboard Engines
Upgrade your Mercury Mariner outboard with Sevencow’s Oil Reservoir Cap Assembly. Designed for a broad range of Mercury EFI models (105HP–240HP) and Jet Boat configurations, this replacement cap helps restore reliable oil reservoir monitoring without the guesswork. The kit is thoughtfully assembled to fit engines from the 1983–2007 era and multiple HP ratings, offering a practical, drop-in replacement that supports engine awareness and proper sealing during operation.
What you get is a complete cap assembly that includes the reservoir push nut, float, gasket, cap, and a wiring harness. This all-in-one approach minimizes the need for sourcing individual parts and helps ensure a cohesive fit and function when you’re reassembling the oil reservoir cap on your outboard.
What’s included
- Reservoir push nut
- Float component
- Gasket
- Cap
- Wiring harness
Compatibility and replacements
- Replaces part numbers: 43300A1, 43300A5, 43300A6, 36-43300A9, 99024A4
- Suitable for Mercury Mariner outboards from 1983–2007 with 105HP–240HP ratings
- Also applicable to EFI PRO MAX, M2 Blackmax Sport, Jet Boat XR2/XR4/XR6 V-6 configurations
Easy installation and practical use
The install steps are straightforward: connect the Black lead to the engine ground and the Blue lead to the oil warning module, then ensure the oil reservoir cap is tightened onto the oil tank. This clear wiring setup supports consistent signaling and a secure seal, helping you maintain proper reservoir integrity during missions on the water.
Benefits you may notice include a practical, all-in-one replacement that reduces part-search time, a cohesive fit with compatible components, and a clear path to restoring monitoring signals. While results may vary with specific setups, this kit provides a sensible upgrade option that aligns with the engine’s design intent and typical maintenance routines. All purchases are backed by Sevencow’s satisfaction service, with a 30-day refund window to purchase with confidence.
Why buyers choose Sevencow
- All-in-one replacement parts for a streamlined rebuild
- Compatibility with a wide range of Mercury outboards and EFI configurations
- Clear wiring guidance for a safe, efficient installation
FAQ
Q: What engines is Sevencow Oil Reservoir Cap Assembly compatible with?
A: Designed for Mercury Mariner EFI outboards from 105HP to 240HP and related Jet Boat variants.
Q: Is installation straightforward?
A: Yes. The kit includes all parts and simple wiring steps; connect the black lead to ground, blue to the warning module, then tighten the cap.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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