Description
HGE MerCruiser 4.3L V6 Dry-Joint Exhaust Manifold – 4612M
HGE MerCruiser 4.3L V6 Dry-Joint Exhaust Manifold – 4612M is a fitment-specific HGE Marine Engine Products dry-joint exhaust manifold. MerCruiser GM 4.3L V6 dry-joint exhaust systems. Pairs with HGE 4309 short dry-joint riser, HGE 4591 tall dry-joint riser and HGE 4929PR spacer set. Match the original OEM/casting number and verify engine model, serial range and cooling configuration before installation.
Features
- Dry-joint architecture keeps manifold-to-riser cooling-water seals separate from the exhaust gas opening
- Application-specific 4.3L V6 casting
- Compatible with HGE dry-joint riser family
- Marine-grade machined sealing faces
- Use the specified plate gasket and seal rings during installation
Specifications
- Manufacturer: HGE Marine Engine Products
- Manufacturer Part Number: 4612
- Store SKU: HGE-4612M
- Product Type: Dry-joint exhaust manifold
- Engine: MerCruiser GM 4.3L V6
- Exhaust system: Dry-joint
- Compatible HGE risers: 4309, 4591
- Compatible spacer: 4929PR
Application / Fitment
MerCruiser GM 4.3L V6 dry-joint exhaust systems.
Interchange / Replaces
MerCruiser 864612T01; Sierra 18-1842
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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