Mercury MerCruiser Quicksilver 3.7L Cast-Iron Manifold Exhaust Elbow Gasket 856705
In stock items ship same or next day.
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Product Description
Mercury Quicksilver 27-856705 is the exhaust elbow/riser gasket for specified MerCruiser 3.7L engines with cast-iron exhaust manifolds.
Engine Compatibility
Cataloged for cast-iron-manifold MCM 3.7L applications from 1983–1989, including 470 and 488 models (1983–1984), 170 and 190 models (1985–1986), 165 and 180 models (1987), and 3.7L/3.7LX models (1988–1989).
Replacement and Installation
Use a new gasket when separating the applicable exhaust elbow and manifold. Inspect the mating faces and cooling passages for corrosion, and follow the engine-specific exhaust service instructions.
Parts Desk Insight
The cast-iron manifold qualification is essential. Match the installed manifold and elbow configuration before ordering for a 3.7L engine.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business 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.