Customer Service: info@jlm-marine.com
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Most new, unused items may be returned within 7 days of delivery, subject to our Returns Policy. A 20% processing/restocking fee may apply for returns that are not the result of our error. Original shipping charges are non-refundable.
If the return is due to our mistake (incorrect or defective item), we will cover the return shipping cost and issue a full refund.
EU customers are entitled to a 14-day cooling-off period in accordance with applicable consumer protection regulations. Certain exclusions may apply.
Refunds are issued after the returned item is received and inspected. Processing times may vary depending on shipping transit and payment provider handling, but most refunds are completed promptly.
To request a return, please contact us at info@jlm-marine.com with your order number for return authorization. For full terms, conditions, and exclusions, please refer to our complete Returns & Refunds Policy page.
This is a protective outboard engine cover designed for 30-60 HP outboard motors. It serves as a direct replacement for Mercury OEM part 8M0221490 and other aftermarket equivalents, providing robust protection against the elements.
This cover is directly compatible with Mercury 40-60 HP FourStroke outboards (serial numbers 1C043417 and up) and offers a universal fit for most 30-60 HP outboards from other major manufacturers like Yamaha, Honda, Tohatsu, and Suzuki.
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number | Notes |
|---|---|---|
| Mercury | 8M0221490 | OEM |
| JLM | 24.4"x14.17"x19.3" | Aftermarket |
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Mercury | 40/50/60 HP | 40-60 | 4-Stroke | 8M0221490 | Serial number 1C043417 & up |
| Brand | Model | Rated HP | Notes |
|---|---|---|---|
| Yamaha | Various | 30-60 | Aftermarket fit |
| Honda | Various | 30-60 | Aftermarket fit |
| Tohatsu | Various | 30-60 | Aftermarket fit |
| Suzuki | Various | 30-60 | Aftermarket fit |
| Specification | Value |
|---|---|
| Product Type | Outboard Engine Cover |
| Installation | Slip-on with drawstring closure |
| Housing Material | Marine-grade polyester fabric with PVC coating (Mercury OEM: Polysoft II fabric) |
| Housing Color | Black (multiple colors may be available) |
| Dimensions | 24.4" × 14.17" × 19.3" (620 × 360 × 490 mm) |
| Weight | 6.7 oz (190 g) for aftermarket model |
| Fitting Type | Universal fit for specified HP range |
| Other Technical Attributes | Waterproof (95%), breathable (5%), UV-stable, 660lb breaking strength (OEM version) |
Q: How do I confirm this cover fits my engine?
A: This cover is designed for most 30-60 HP outboards. For Mercury, it fits 40-60 HP FourStroke models with serial number 1C043417 and up. For other brands like Yamaha and Honda, it offers a universal fit for the 30-60 HP range. Always compare the listed dimensions (24.4" × 14.17" × 19.3") to your engine to ensure a good fit.
Q: What is the difference between this cover and the OEM Mercury version?
A: This is an aftermarket cover designed to meet or exceed OEM specifications. While the original Mercury cover (8M0221490) uses Polysoft II fabric, our cover is made from a durable marine-grade polyester with a PVC coating, offering excellent water resistance and durability. The dimensions and fit are made to be equivalent.
Q: Is this cover fully waterproof?
A: The material is rated as 95% waterproof to protect your engine from rain and spray, while also being 5% breathable. This helps prevent moisture and condensation from being trapped underneath the cover, which can lead to corrosion.
Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
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.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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