HGE Gm Mainfold - Volvo Manifold | 5804
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You have 30 days to request a return. All sale items are final sale.
HGE Volvo Penta Small Block V8 Exhaust Manifold 5804
HGE 5804 is a replacement manifold for compatible pre-1994 Volvo Penta GM small-block V8 marine installations.
Key Features
- For the 305/350 CID engine family
- Replacement references: Volvo 835804, 835805, 835806 and 856883
- Cross-references: Barr VO-1-835804 and Sierra 18-1931-1
- Mounting kit included
Product Compatibility
Cataloged models include AQ/BB 200, 205, 211, 225, 231, 260, 271, 290, 311, 500, 501, 570, 571 and 572 with the corresponding exhaust arrangement. Uses the HGE 5384 riser family.
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 early Volvo V8 manifold pairs with a 95 mm, 30-degree riser. Check that layout before substituting a later OMC/Volvo V8 assembly.
- Brand: HGE
- Manufacturer part #: 5804
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.