Description
HGE GM Big-Block V8 Exhaust Manifold Gasket – 46820
HGE GM Big-Block V8 Exhaust Manifold Gasket – 46820 is a fitment-specific HGE Marine Engine Products exhaust gasket / seal. Manifold gasket for HGE 9011 and 9011-A MerCruiser GM big-block V8 manifolds. Confirm cooling-system configuration and gasket port pattern before installation. Match the original OEM/casting number and verify engine model, serial range and cooling configuration before installation.
Features
- Application-specific marine exhaust sealing component
- Replace gasket/seals whenever the joint is opened
- Correct port pattern is critical to cooling-water routing
- Mating faces should be clean, flat and corrosion-free
- Torque fasteners to engine/exhaust-system service specifications
Specifications
- Manufacturer: HGE Marine Engine Products
- Manufacturer Part Number: 46820
- Store SKU: HGE-46820
- Product Type: Exhaust gasket / seal
- Part type: Marine exhaust gasket / seal
- Application: HGE 9011 / MerCruiser GM big-block V8 exhaust manifold application.
Application / Fitment
Manifold gasket for HGE 9011 and 9011-A MerCruiser GM big-block V8 manifolds.
Interchange / Replaces
MerCruiser 27-46820; Sierra 18-0418
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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