Harley Seals/Orings and Kits
Harley Bike Engine Seals, O-Rings & Kits at JJ Motorsports
Keep your Harley leak-free with premium Cometic seals and O-rings from JJ Motorsports, featuring Viton valve stem seals, pushrod tube O-rings, and crankcase seals for reliable performance on Twin Cam, Evo, Sportster, and Big Twin engines. These high-temp, oil-resistant components ensure perfect sealing and long-term durability.
Shop Cometic for race-proven quality. Explore related categories such as Harley engine for gaskets and rebuild kits, or Harley for cams and oil pumps to complete your engine refresh.
Top Harley Engine Seals & O-Rings
- Cometic Engine Crankcase Seal C9682 – High-quality main seal for Twin Cam and Evo crankcases; prevents oil leaks at the mainshaft.
- Cometic Valve Stem Seal Viton C9166 – Viton valve stem seals; heat- and oil-resistant for Big Twin and Sportster heads.
- Cometic Pushrod Tube O-Ring C9584 – Pushrod tube O-ring set; perfect seal between cylinder and rocker box on Evo and Twin Cam.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
COMETIC Valve Stem Seal C9424-1
COMETIC
$4.95High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350835- SKU:
- 09350835
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
- MATERIAL:
- VITON
- OUTSIDE DIAMETER IMPERIAL:
- 0.625'
- TYPE:
- VALVE STEM
- RIDING STYLE:
- STREET
$4.95 -
COMETIC Carb Backplate O-Ring C9686
COMETIC
$6.25Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350373- SKU:
- 09350373
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CARBURETOR BACKING PLATE
- RIDING STYLE:
- STREET
- MATERIAL:
- NITRILE
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
$6.25 -
COMETIC Valve Stem Seal C9153
COMETIC
$76.00High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle09350137- SKU:
- 09350137
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- TYPE:
- VALVE STEM
- MATERIAL:
- VITON
- UNITS:
- 25 PACK
- PRODUCT NAME:
- SEAL
$76.00 -
COMETIC Valve Stem Seal - Viton C9166
COMETIC
$24.20High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle09350138- SKU:
- 09350138
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- TYPE:
- VALVE STEM
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
$24.20 -
COMETIC Oil Pump Inner Small O-Ring C9449
COMETIC
$7.40High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350159- SKU:
- 09350159
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- APPLICATION:
- OIL PUMP
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$7.40 -
COMETIC Derby Cover O-Ring - Big Twin C9662
COMETIC
$15.40High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350160- SKU:
- 09350160
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- DERBY COVER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- UNITS:
- 5 PACK
- MATERIAL:
- NITRILE RUBBER
$15.40 -
COMETIC Cam Support O-Ring C9631
COMETIC
$3.20Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350165- SKU:
- 09350165
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CAM SUPPORT
- UNITS:
- 10 PACK
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
$3.20 -
COMETIC EFI Map Senser Seal - Twin Cam C9630
COMETIC
$12.70High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350166- SKU:
- 09350166
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CAM MANIFOLD
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- MATERIAL:
- SILICONE
$12.70 -
COMETIC Umbrella Seal C9481
COMETIC
$8.40High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350167- SKU:
- 09350167
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- MATERIAL:
- VITON
- APPLICATION:
- UMBRELLA VALVE
$8.40Qty in Cart: 0Quantity:Price:$8.40Subtotal: -
COMETIC O-Ring C9459
COMETIC
$3.20Made in the U.S.A.09350170- SKU:
- 09350170
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- DIPSTICK COVER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- UNITS:
- 25 PACK
- APPLICATION:
- PUSHROD COVER
- MATERIAL:
- NITRILE RUBBER
$3.20 -
COMETIC Intake Manifold Seal Kit - Evolution C9131
COMETIC
$14.95Kit contains one carburetor to intake seal (27002-89) and two intake to cylinder head seals (26995-86B), Made in the U.S.A.09350172- SKU:
- 09350172
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- INTAKE MANIFOLD TO CARBURETOR
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- SEAL
$14.95 -
COMETIC Carb/Manifold Sealing Ring C9088
COMETIC
$10.95High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350173- SKU:
- 09350173
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- FIBER
- APPLICATION:
- INTAKE MANIFOLD TO CARBURETOR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- THICKNESS IMPERIAL:
- 0.031'
- UNITS:
- EACH
$10.95 -
COMETIC Derby Cover Bolt Washer C9363
COMETIC
$5.20High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350177- SKU:
- 09350177
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- PRODUCT NAME:
- WASHER
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- APPLICATION:
- DERBY COVER
$5.20 -
COMETIC Starter Housing O-Ring Pack C9433
COMETIC
$5.30COMETIC Starter Housing O-Ring Pack09350179- SKU:
- 09350179
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- O-RING
- UNITS:
- 25 PACK
- RIDING STYLE:
- STREET
- APPLICATION:
- STARTER HOUSING
- MATERIAL:
- NITRILE RUBBER
$5.30 -
COMETIC Starter Shaft Seal C9379
COMETIC
$14.80Made in the U.S.A.09350181- SKU:
- 09350181
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- STARTER SHAFT
- UNITS:
- 5 PACK
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
$14.80 -
COMETIC Starter Shaft Seal C9509
COMETIC
$16.90Made in the U.S.A.09350182- SKU:
- 09350182
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- APPLICATION:
- STARTER SHAFT
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
- MATERIAL:
- DUAL LIP VITON
- RIDING STYLE:
- STREET
$16.90 -
COMETIC Drain Plug Washer C9498
COMETIC
$6.70High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350185- SKU:
- 09350185
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- NYLON
- RIDING STYLE:
- STREET
- THICKNESS:
- 0,063'
- THICKNESS IMPERIAL:
- 0.063'
- UNITS:
- 10 PACK
- APPLICATION:
- DRAIN PLUG
- PRODUCT NAME:
- WASHER
$6.70 -
COMETIC Counter Shaft O-Ring C9529
COMETIC
$6.40High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350187- SKU:
- 09350187
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- APPLICATION:
- COUNTERSHAFT
- MATERIAL:
- BUNA RUBBER
$6.40 -
COMETIC Right Mainshaft O-Ring C9495
COMETIC
$5.30High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350188- SKU:
- 09350188
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- 25 PACK
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- APPLICATION:
- TRANSMISSION
$5.30 -
COMETIC Mainshaft Quad Seal C9361
COMETIC
$10.60High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350189- SKU:
- 09350189
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- MAIN DRIVE GEAR
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- APPLICATION:
- TRANSMISSION
$10.60
