New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Engine - Gaskets & Seals

6967 products
Seal the deal with precision-fit gaskets designed for leak-free power.
Vertex 501415 Engine Oil Seal Kit
$9.82
$9.82
Size: 9.5 X 16 X 4 TC. Made from the highest quality materials available. Comes with all seals necessary to rebuild the engine and transmission.
Vertex 823037 Exhaust Gasket Kit
$12.85
$12.85
2-stroke kits include all applicable o-rings, springs, washers and gaskets. 4-stroke kits include the exhaust gasket (KTM version also includes springs). Multi-cylinder applications include enough ...
27% Off
Cometic Gasket C7763 Top End Gasket Kit - 58.00mm Bore
$34.20
$34.20
$46.88
All top-end gasket kits include everything needed to rebuild your top end. Cometic Gasket offers the latest in gasket technology. Gasket materials, design and manufacturing processes are constantly...
32% Off
Cometic Gasket C3765OS Oil Seal Kit
$41.34
$41.34
$61.14
Domestically made sets include the correct amount of seals for one application. Available in complete oil seal sets as well as crankshaft oil seal kits.Vehicle Fitment:2013-2020 Beta 250 RR 2017-20...
7% Off
Namura Technologies NX-70037F Complete Gasket Kit
$45.73
$45.73
$48.95
Namura offers high performance gaskets for the professional motorsports market. These gaskets are made with imported Australian Klingersil and other high tech materials. They provide greater reliab...
Namura Technologies NX-30027T Top End Gasket Kit
$23.08
$23.08
Bore: 66.94mm Sizing: Standard BoreNamura offers high performance gaskets for the professional motorsports market. These gaskets are made with imported Australian Klingersil and other high tech mat...
Namura Technologies NX-40029T Top End Gasket Kit
$21.78
$21.78
Namura offers high performance gaskets for the professional motorsports market. These gaskets are made with imported Australian Klingersil and other high tech materials. They provide greater reliab...
5% Off
Namura Technologies NA-10004T Top End Gasket Kit
$42.64
$42.64
$44.95
Bore: 88.95mm Compression: 11:1 High Compression Sizing: Standard BoreNamura offers high performance gaskets for the professional motorsports market. These gaskets are made with imported Australian...
4% Off
Namura Technologies NA-30002T Top End Gasket Kit
$39.35
$39.35
$40.95
Bore: 89.96mm Sizing: Standard BoreNamura offers high performance gaskets for the professional motorsports market. These gaskets are made with imported Australian Klingersil and other high tech mat...
6% Off
Namura Technologies NA-14006F Full Gasket Kit
$123.42
$123.42
$131.95
Actual Weight: 0.9 lbs. Shipping Weight: 0.9 lbs. Package Dimensions: 15.5 x 13.4 x 0.3.Vehicle Fitment:2006-2009 KYMCO MXU500 2010-2011 KYMCO MXU500 IRS 2009-2011 KYMCO UXV 500 4X4 2010-2011 KYMCO...
Namura Technologies NX-10026F Complete Gasket Kit
$36.93
$36.93
Namura offers high performance gaskets for the professional motorsports market. These gaskets are made with imported Australian Klingersil and other high tech materials. They provide greater reliab...
Cometic Gasket EC376018AFM Stator/Magneto Cover Gasket
$12.14
$12.14
Made from AFM material for longevity. AFM is a compounded nitrile synthetic rubber bonded to an aluminum core with a high temperature resistance of more than 250F; it has an 85% recovery while main...
19% Off
Cometic Gasket C8690 Head Gasket - MLS/C.O.T. .027in. - 68mm Bore
$83.75
$83.75
$103.95
MLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE (Load Control Embossments), providing less bore distortion and better piston ring se...
27% Off
Cometic Gasket C7278 Top End Gasket Kit - 71mm Bore
$31.38
$31.38
$42.95
Top End Kit includes:. 1 - Head Gasket. 1 - Base Gasket. 1 - Exhaust Gasket. 1 - Intake Gasket All top-end gasket kits include everything needed to rebuild your top end. Cometic Gasket offers the ...
5% Off
Namura Technologies NX-30041F Complete Gasket Kit
$85.64
$85.64
$89.95
Namura offers high performance gaskets for the professional motorsports market. These gaskets are made with imported Australian Klingersil and other high tech materials. They provide greater reliab...
Kimpex 131859 Arctic Cat Exhaust Gasket - 13mm H x 45mm ID x 66mm OD
$21.08
$21.08
Replaces OEM# 1612-323. Between tail pipe and resonator. OEM-quality exhaust gaskets restore like-new performance. Sold each.
Cometic Gasket EX641 Exhaust Gasket
$17.13
$17.13
Gaskets are made out of various materials, as required by model, such as armor clad, copper, graphite or spiral wound steel.Vehicle Fitment:2003-2006 Yamaha WR450F 2004-2009 Yamaha YFZ450 2006-2007...
Cometic Gasket OS420 Countershaft Sprocket Seal
$11.47
$11.47
Gaskets and gasket sets used by professionals in high-performance machines and as OE replacements worldwide. Materials may vary depending on what is correct and engineered for specified application...
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle