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 - Transmission Gaskets

79 products
Seal the deal with precision-fit gaskets designed for leak-free power.
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
James Gasket JGI-35607-85-X Transmission Speedometer Block-Off for 5-Speed Transmissions
$14.35
$14.35
5-speed version fits 5-speed transmissions and includes speedo drive block-off with a chrome-plated cap screw and washer. H-D#35607-95. Reinforced synthetic rubber.
13% Off
Cometic Gasket C9464F Transmission Gasket Rebuild Kit
$39.10
$39.10
$45.10
OEM #33031-70. Quality gaskets and O-Rings. Made in the USA.Vehicle Fitment:1970-1979 Harley Davidson FLH Electra Glide 1979 Harley Davidson FLHC Electra Glide Classic 1970-1972 Harley Davidson FL...
20% Off
Cometic Gasket C9469F Transmission Gasket Rebuild Kit
$63.05
$63.05
$78.62
Quality gaskets and O-Rings. Made in the USA.Vehicle Fitment:1994-1999 Harley Davidson FLHR Road King 1998-1999 Harley Davidson FLHRCI Road King Classic 1996-1997 Harley Davidson FLHRI Road King 19...
Cometic Gasket C9330F Starter Motor Mount Gasket - AFM
$14.86
$14.86
Sold in packs of 10, priced each. H-D# 60559-80. Aluminum Foamette Material (AFM) gaskets feature an aluminum core and a chemically blown, compounded nitrile synthetic rubber coating that is bonded...
Cometic Gasket C9640 Transmission Gasket Rebuild Kit
$163.67
$163.67
OEM #26072-99. Quality gaskets and O-Rings. Made in the USA.Vehicle Fitment:1999-2005 Harley Davidson FXD Dyna Super Glide 2005 Harley Davidson FXDC Super Glide Custom 2005 Harley Davidson FXDCI S...
17% Off
Cometic Gasket C9468 Transmission Gasket Rebuild Kit
$47.23
$47.23
$56.65
OEM #33031-91. Quality gaskets and O-Rings. Made in the USA.Vehicle Fitment:1995-1999 Harley Davidson FXD Dyna Super Glide 1992 Harley Davidson FXDB-D Dyna Glide Daytona 1991 Harley Davidson FXDB-...
17% Off
Cometic Gasket C9465 Transmission Gasket Rebuild Kit
$55.60
$55.60
$67.15
OEM #33031-80. Quality gaskets and O-Rings. Made in the USA.Vehicle Fitment:1979-1982 Harley Davidson FLH Electra Glide 1979-1981 Harley Davidson FLHC Electra Glide Classic 1980-1981 Harley Davids...
Cometic Gasket C9661 Shifter Shaft Seal O-Ring
$11.63
$11.63
Sold in packs of 25, priced each. OEM #11191. High-quality products for long term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle.Vehic...
Cometic Gasket C9356 Transmission Mainshaft Seal
$16.86
$16.86
Sold in packs of 5, priced each. OEM #12049-DL. High-quality products for long term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle.Veh...
Cometic Gasket C9527 Double-Lip Main Drive Gear Seal
$14.86
$14.86
Sold each. OEM# 12044DL. High-quality products for long term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle.Vehicle Fitment:1980-1983 ...
Cometic Gasket C9005 Shift Shaft Tube Gasket
$16.98
$16.98
Sold in packs of 10, priced each. OEM #63869-06. High-quality products for long term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle.Ve...
21% Off
Cometic Gasket C9467 Transmission Gasket Rebuild Kit
$81.23
$81.23
$102.85
OEM #33031-85. Quality gaskets and O-Rings. Made in the USA.Vehicle Fitment:1985 Harley Davidson FLH Electra Glide 1987-1992 Harley Davidson FLHS Electra Glide Sport 1986-1987 Harley Davidson FLHT...
Cometic Gasket OS197 Shift Shaft Seal
$10.19
$10.19
High-quality products for long-term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle. Made in the USA.Vehicle Fitment:1973-1974 Yamaha TX...
20% Off
Cometic Gasket C9151 Transmission Gasket Rebuild Kit
$60.73
$60.73
$75.55
Quality gaskets and O-Rings. Made in the USA.Vehicle Fitment:2007-2010 Harley Davidson FXD Dyna Super Glide 2007-2017 Harley Davidson FXDB Street Bob 2006 Harley Davidson FXDBI Street Bob 2007-2014...
Cometic Gasket C9370-1 Shifter Shaft Seal - Viton
$9.62
$9.62
Viton gaskets feature a stainless steel core with a .001in. thick coating of Viton rubber on both sides. OEM # 34035-52. High-quality products for long term reliability. Manufactured from premium ...
Cometic Gasket OS331 Shift Shaft Seal
$10.85
$10.85
High-quality products for long-term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle. Made in the USA.Vehicle Fitment:1993-1995 Honda CBR...
4% Off
Cometic Gasket C9514 Double-Lip Main Drive Gear Seals
$36.73
$36.73
$38.18
Sold in packs of 5, priced each. H-D# 37741-82DL. High-quality products for long term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle.V...
Cometic Gasket OS236 Shift Shaft Seal
$11.18
$11.18
High-quality products for long-term reliability. Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle. Made in the USA.Vehicle Fitment:2002-2007 Honda CB9...
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