Sierra Head Gasket ā 47-2963
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Parts Desk Insights: Best suited for powerhead and engine top-end rebuilds on outboard applications. Technicians reach for this gasket when replacing a blown or compromised head gasket, completing a cylinder head reseal, or performing a full top-end overhaul ā particularly after overheating events or compression loss diagnosis.
The Sierra Head Gasket (47-2963) provides a precision-fit replacement for outboard engine cylinder head sealing. Manufactured to OEM specifications, it restores proper compression and coolant sealing between the cylinder head and block, helping maintain engine performance and preventing coolant or combustion gas leaks.
Consult the Sierra application guide to confirm fitment for your engine make, model, and year before ordering.
Related Products:
ā¢ Sierra Head Gasket ā 47-2963
ā¢ Sierra Upper Unit Seal Kit ā 47-2586
ā¢ Sierra Exhaust Elbow Gasket ā 18-0305-1
ā¢ Mercury Exhaust Manifold Gasket ā 27-33395
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3ā4 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 ā 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 ā 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.