Sierra NEW O-Ring 18-7142 Replaces: OMC 322119 NOS Part (LOT OF 5) 0810

Sierra O-Ring — Part Number 18-7142
Brand: Sierra | Condition: New

You are purchasing a new Sierra O-Ring, part number 18-7142, sold as a package of 5. This O-ring seals a fitting or housing interface in OMC sterndrive and Cobra sterndrive applications, preventing fluid leaks. Sierra is a leading manufacturer of aftermarket marine engine replacement parts trusted by marine technicians worldwide.

Condition Details: This is a new, uninstalled set of O-rings. As is common with NOS inventory, the original packaging may show signs of shelf wear or age. The O-rings themselves are new and fully functional.

What's Included: Package of 5 O-Rings

Specifications:

• Inside Diameter: 3.940"
• Width: 0.135"

Cross-Reference Part Numbers:

• OMC OEM: 322119

Compatible Equipment: OMC sterndrive and Cobra sterndrive applications — verify specific model and serial number fitment before ordering.

Why Choose Quality Replacement Parts? Sierra marine parts are engineered to meet or exceed OEM specifications, delivering reliable performance in demanding marine environments. Sierra has been a trusted name in aftermarket marine replacement parts for decades.

Returns: We proudly offer hassle-free returns. If you are not completely satisfied with your purchase for any reason, simply open a return request through eBay within 30 days of purchase and we will take care of you promptly.

Thank you for choosing QBS Parts Inc! We truly appreciate your business. If you have any issues whatsoever with your order, please give us the opportunity to resolve it before leaving feedback — we are committed to making every transaction a great experience.

Please verify fitment using your engine's model and serial number before purchasing. Feel free to message us with any questions — we're here to help!

QBS Parts, Inc. — Gardena, CA