Description
HGE Volvo Penta 305-350 V8 Exhaust Manifold, Pre-1994 – 5804
HGE Volvo Penta 305-350 V8 Exhaust Manifold, Pre-1994 – 5804 is a fitment-specific HGE Marine Engine Products exhaust manifold. Volvo Penta GM small-block V8 305-350 CID; pre-1994 AQ/BB models 200, 205, 211, 225, 231, 260, 271, 290, 311, 500, 501, 570, 571 and 572. Pairs with HGE 5384 95 mm / 3.75 in. outlet, 30-degree down riser. Match the original OEM/casting number and verify engine model, serial range and cooling configuration before installation.
Features
- Pre-1994 Volvo Penta small-block V8 manifold family
- Extensive AQ/BB model coverage documented by HGE
- Uses HGE 0000 manifold gasket and HGE 35908 open riser gasket in mounting kit
- Pairs with HGE 5384 riser
- Marine cast exhaust construction
Specifications
- Manufacturer: HGE Marine Engine Products
- Manufacturer Part Number: 5804
- Store SKU: HGE-5804
- Product Type: Exhaust manifold
- Engine: GM small-block V8 305-350 CID
- Application era: Pre-1994
- Compatible HGE riser: 5384
Application / Fitment
Volvo Penta GM small-block V8 305-350 CID; pre-1994 AQ/BB models 200, 205, 211, 225, 231, 260, 271, 290, 311, 500, 501, 570, 571 and 572.
Interchange / Replaces
Aqua Power 5515; Barr VO-1-835804; GLM 51630; Marine Power 0999-772; Osco 5805; Sierra 18-1931-1; Volvo 835804, 835805, 835806, 856883
What’s Included / Mounting Kit
HGE 0000 manifold gasket x1; HGE 35908 open riser gasket x1; 3/8-16 x 5-1/8 in. bolts x6 with lock washers x6; 3/4 in. NPT steel plugs x2; 1/2 in. NPT steel plug x1.
Fitment note: Marine engine exhaust parts can vary by engine serial number, cooling system, riser height and prior supersessions. Compare the original part/casting number and physical configuration before installation.

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