HGE Mercruiser Manifold - Big Block V8 Manifold | 9011
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HGE MerCruiser Big Block V8 Exhaust Manifold 9011
HGE 9011 is a center-riser exhaust manifold for the specified MerCruiser GM big-block V8 marine applications, supplied with a mounting kit.
Key Features
- Replacement references: MerCruiser 89011 and 807078
- Cross-references: Barr MC-1-89011 and Sierra 18-1957-1
Product Compatibility
Cataloged for MerCruiser models 330, 340 and 454 Magnum with the matching manifold arrangement.
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 manifold can be used with more than one cataloged riser geometry. Keep the original outlet diameter and angle in the replacement plan rather than choosing a riser by engine size alone.
- Brand: HGE
- Manufacturer part #: 9011
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.