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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 aftermarket exhaust elbow replaces Volvo Penta reference 3884701. It routes and cools exhaust on compatible Volvo Penta D4-series marine diesels.
Match this part in this order:
1. Original part number on the elbow or parts list (3884701)
2. Engine model on the engine identification plate
3. Physical form against the product images
Confirm an approximately 90° cast elbow with a side-integrated 2-hole diamond flange, a small threaded auxiliary port on the body, a smooth circular opening at one end, and a stepped circular hose/clamp end at the other. See the product images before ordering.
Confirm your engine model in the table below. Match the original part number and the physical shape to the product images. On Volvo Penta inboards, the model and serial identification are typically on the engine block or flywheel housing.
| Brand | Engine Model |
|---|---|
| Volvo Penta | D4-180 |
| Volvo Penta | D4-210 |
| Volvo Penta | D4-225 |
| Volvo Penta | D4-260 |
| Volvo Penta | D4-300 |
| Specification | Value |
|---|---|
| Product type | Exhaust elbow |
| Material | Stainless steel |
| Bend | Approximately 90° |
| Mounting flange | Side-integrated 2-hole diamond flange |
| Auxiliary port | Small threaded port on elbow body |
| Outlet / hose end | Stepped circular end |
Allow the engine to cool completely and disconnect the battery before working on the exhaust system.
Support the exhaust hose and any coolant connections, then unbolt and remove the old elbow. Protect the mating face from damage.
Clean the flange face and compare the new elbow’s 2-hole diamond flange, threaded auxiliary port, and stepped circular end to the removed part and the product images.
Install with the gasket and fasteners specified in your Volvo Penta parts list or service manual. Tighten evenly to the manual’s torque values.
Reconnect hoses and any auxiliary fittings, secure clamps, and check for exhaust or coolant leaks at idle before returning to service.
Note: Follow the Volvo Penta service manual for torque and gasket requirements. Professional installation is recommended.
This is an aftermarket replacement manufactured to match the Volvo Penta 3884701 application. It is not a Volvo Penta original-equipment part.
Do not assume a gasket, hose barb, cover plate, sensor plug, or hardware kit is included. Use the parts called out in your Volvo Penta parts list unless your order confirmation states otherwise.
This listing is the approximately 90° stainless elbow with a side 2-hole diamond flange, a small threaded auxiliary port, and a stepped circular end. Compare those features to your old part and the product images—do not order from D4 family names alone if the shape does not match.
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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