Description
HGE MerCruiser Tall Dry-Joint Exhaust Riser – 4591
HGE MerCruiser Tall Dry-Joint Exhaust Riser – 4591 is a fitment-specific HGE Marine Engine Products tall dry-joint exhaust riser. MerCruiser dry-joint V6/V8 systems using HGE 4612 or 5735 manifolds. Tall/high-riser option for HGE 4612 and 5735 dry-joint manifolds. Match the original OEM/casting number and verify engine model, serial range and cooling configuration before installation.
Features
- Tall dry-joint riser configuration
- Application-specific MerCruiser dry-joint water separation
- Compatible with HGE 4612 V6 and 5735 V8 manifolds
- Marine cast construction
- Use correct dry-joint plate and seal-ring components
Specifications
- Manufacturer: HGE Marine Engine Products
- Manufacturer Part Number: 4591
- Store SKU: HGE-4591
- Product Type: Tall dry-joint exhaust riser
- Exhaust system: Dry-joint
- Configuration: Tall / high riser
- Compatible HGE manifolds: 4612, 5735
Application / Fitment
MerCruiser dry-joint V6/V8 systems using HGE 4612 or 5735 manifolds.
Interchange / Replaces
MerCruiser 864591T02
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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