HGE Volvo/OMC Riser | 3784
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
HGE OMC/Volvo Penta V6/V8 Exhaust Riser 3784
HGE 3784 is a center riser for compatible OMC and Volvo Penta marine exhaust systems.
Key Features
- 4-inch exhaust outlet
- 7-degree down angle
- Replacement references: OMC 913784, 3850456 and 3855270; Volvo Penta 3855270-9
- Cross-reference: Sierra 18-1909
- Mounting kit included
Product Compatibility
Cataloged with HGE 4035 small-block V8 manifolds and HGE 7656 4.3L V6 manifolds.
Fitment and Installation
Verify the engine serial number and exact assembly where applicable. Inspect mating surfaces and related hardware, use the specified gasket or seal arrangement, and follow the engine service manual for tightening and leak checks.
Parts Desk Insight
This later 4-inch riser is different from the earlier Volvo 3-3/4-inch, 30-degree riser. Confirm the outlet size and manifold interface before selecting the replacement.
- Brand: HGE
- Manufacturer part #: 3784
Shipping information
In-stock and OEM parts: ship same or next business day.
Available items are ready for pickup or shipping between one and three 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.