This Sierra End Cap / Riser Gasket is designed for Chrysler LM318, M340, and M360 marine engines using log-style manifolds (no hole).
Built to OEM dimensions, it provides a tight, secure seal between the riser and end cap, preventing exhaust or water leaks and maintaining proper backpressure.
Manufactured by Sierra Marine, this gasket delivers lasting durability and a perfect fit for marine environments.
Product Features
- Brand: Sierra Marine
- Manufacturer Part #: 18-0472
- Cross Reference #: 9-65302 / BARRCM-1-6672J
- Fitment: Chrysler LM318, M340, M360 marine engines
- Manifold Style: Log Style (No Hole)
- Function: End Cap / Riser Gasket
- Material: Marine-grade gasket material for heat and corrosion resistance
- Condition: 100% brand-new Sierra Marine replacement gasket
- Warranty: Manufacturer’s limited warranty through Sierra Marine
Additional Information
Note: All Sierra Marine exhaust gaskets are engineered for direct OEM fit and long-lasting sealing performance.
If you need additional gaskets, risers, or exhaust components for your Chrysler engine, please email or fill out the contact form, and we’ll assist you in locating the correct parts for your system.
Shipping Information
SHIPPING: Additional shipping fees to Alaska, Hawaii, U.S. Territories, or international destinations will be calculated after checkout.
You will receive an email and a PayPal money request for the additional shipping charges at the email address provided.
(Some items are excluded from international shipping.)
Customer Support
For questions or to confirm compatibility, please email customerservice@marinepartswarehouse.com .
Please include your engine model number to help confirm proper fitment before ordering.
