HGE Merc Dry Joint High Riser | 4591
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You have 30 days to request a return. All sale items are final sale.
HGE MerCruiser Dry-Joint High Riser 4591
HGE 4591 is a high-profile exhaust riser for compatible MerCruiser dry-joint systems.
Key Features
- 14-degree down angle
- Replacement reference: MerCruiser 864591T02
- Cross-reference: Barr MC-20-864591
Product Compatibility
Cataloged with HGE 5735 V8 manifolds for GM 5.0L, 5.7L and 6.2L engines and HGE 4612 V6 manifolds for GM 4.3L engines.
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
The high 14-degree riser is a different geometry from the short 7-degree 4309 riser. Match installed height and outlet angle before reconnecting the exhaust hose.
- Brand: HGE
- Manufacturer part #: 4591
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.