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
-
JAMES GASKET Small Pushtube Cork 17955-36
JAMES GASKET
$58.90Made in the U.S.A.DS173499- SKU:
- DS173499
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 100 PACK
- APPLICATION:
- PUSHROD COVER
- PRODUCT NAME:
- SEAL
$58.90 -
JAMES GASKET Fuel Fitting O-Ring - FL 27237-95
JAMES GASKET
$6.60Made in the U.S.A.DS173482- SKU:
- DS173482
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- PRODUCT NAME:
- O-RING
- APPLICATION:
- FUEL INJECTOR
- UNITS:
- 10 PACK
$6.60Qty in Cart: 0Quantity:Price:$6.60Subtotal: -
JAMES GASKET Internal Seal - .062" - Blue Twin Cam 26995-97-X
JAMES GASKET
$29.00JAMES GASKET Internal Seal - .062" - Blue Twin CamDS173479- SKU:
- DS173479
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- APPLICATION:
- INTAKE MANIFOLD
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$29.00 -
JAMES GASKET Derby Nylon Washer 31433-84
JAMES GASKET
$7.30Made in the U.S.A.DS173471- SKU:
- DS173471
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- WASHER
- RIDING STYLE:
- STREET
- UNITS:
- 20 PACK
- APPLICATION:
- DERBY COVER
- MATERIAL:
- NYLON
$7.30 -
JAMES GASKET Large Pushrod Cork - Big Twin 17955-48
JAMES GASKET
$72.10Made in the U.S.A.DS173468- SKU:
- DS173468
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 100 PACK
- PRODUCT NAME:
- SEAL
- APPLICATION:
- PUSHROD COVER
$72.10 -
JAMES GASKET Drain Plug/Oil Pump Cap O-Ring 11105-X
JAMES GASKET
$7.80Drain plug o-ring for Harley Davidson modelsDS173430- SKU:
- DS173430
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- OIL PUMP
- SIZE:
- OVERSIZE
- APPLICATION:
- DRAIN PLUG
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
$7.80 -
JAMES GASKET Trans Double Lip Seal 37741-67-A
JAMES GASKET
$17.95Top quality main drive gear shaft sealsDS173426- SKU:
- DS173426
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
$17.95 -
JAMES GASKET Inner Primary Bearing Seal 12052-F
JAMES GASKET
$19.10Made in the U.S.A.DS173424- SKU:
- DS173424
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- APPLICATION:
- INNER PRIMARY
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$19.10 -
JAMES GASKET Shifter Shaft Seal 12045-M
JAMES GASKET
$18.50JAMES GASKET Shifter Shaft SealDS173423- SKU:
- DS173423
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- SHIFTER SHAFT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- UNITS:
- 5 PACK
$18.50 -
JAMES GASKET Upper Pushrod Seal 17955-36-A
JAMES GASKET
$65.80Made in the U.S.A.DS173383- SKU:
- DS173383
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 100 PACK
- APPLICATION:
- PUSHROD COVER
- PRODUCT NAME:
- SEAL
$65.80 -
JAMES GASKET Pushrod Tube Seal - Twin Cam 11293-TC
JAMES GASKET
$19.95Convenient and efficient way to sell the correct amount of seals or O-rings for a rebuild or cam change, James complete kits are neatly packaged for easy display, Made in the U.S.A.DS173247- SKU:
- DS173247
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- PUSHROD TUBE
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL KIT
$19.95 -
JAMES GASKET Umbrella Valve Seal - Twin Cam 26858-99
JAMES GASKET
$25.50Made in the U.S.A.DS173232- SKU:
- DS173232
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- UMBRELLA VALVE
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- UNITS:
- 6 PACK
$25.50 -
JAMES GASKET Derby Cover O-Ring - Big Twin 25416-99
JAMES GASKET
$11.50Latest additions to our line of high-quality genuine James gaskets, seals and O-rings, Cover seals are a seal, not a gasket, Cover seals are molded rubber, beaded oil seals with metal inserts and work with all inspection and derby covers; fit billet,...DS173230- SKU:
- DS173230
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- APPLICATION:
- DERBY COVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- PRODUCT NAME:
- O-RING
- UNITS:
- 5 PACK
$11.50 -
JAMES GASKET Motor Sprocket Seal - Twin Cam 12068
JAMES GASKET
$19.80Made in the U.S.A.DS173214- SKU:
- DS173214
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- MOTOR SHAFT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$19.80 -
JAMES GASKET Cam Support O-Ring - Twin Cam 11298
JAMES GASKET
$5.30Made in the U.S.A.DS173212- SKU:
- DS173212
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
- APPLICATION:
- CAM SUPPORT
- RIDING STYLE:
- STREET
- TYPE:
- PLUG
$5.30 -
JAMES GASKET Upper Pushrod O-Ring - Twin Cam 11293
JAMES GASKET
$8.60Made in the U.S.A.DS173210- SKU:
- DS173210
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- OIL FILTER
- PRODUCT NAME:
- O-RING
- APPLICATION:
- UPPER PUSHROD
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- APPLICATION:
- OIL PUMP
- UNITS:
- 10 PACK
$8.60 -
JAMES GASKET Air Cleaner Back Plate O-Ring - Twin Cam 11292
JAMES GASKET
$11.10Air cleaner backplate o-rings for Harley Davidson modelsDS173209- SKU:
- DS173209
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- BACK PLATE ASSEMBLY
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
- APPLICATION:
- CYLINDER HEAD
$11.10 -
JAMES GASKET Manifold Sensor Seal - Twin Cam 11291
JAMES GASKET
$15.60Made in the U.S.A.DS173208- SKU:
- DS173208
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- MAP SENSOR
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- PRODUCT NAME:
- SEAL
$15.60 -
JAMES GASKET Neutral Sensor O-Ring - Twin Cam 11290
JAMES GASKET
$15.70Made in the U.S.A.DS173207- SKU:
- DS173207
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$15.70 -
JAMES GASKET Crank Sensor O-Ring - Twin Cam 11289
JAMES GASKET
$3.90Made in the U.S.A.DS173206- SKU:
- DS173206
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- APPLICATION:
- CAM POSITION SENSOR
- UNITS:
- 10 PACK
$3.90
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Engine Seals, O-Rings, and Kits
- Compatibility: Ensure seals and O-rings match your Harley's engine type (e.g., Big Twin, Twin Cam, Evo) and model specifics (e.g., FL/FLH, XL, Softail). Use the vehicle selector for year-specific fits (e.g., 1973-1983 for fork seals, 1990-up for drive gear seals) to prevent leaks or fit issues.
- Type of Use: For high-temperature or oil-exposed areas, opt for Viton seals for superior resistance; standard rebuilds benefit from nitrile or silicone O-rings for reliable sealing in street riding conditions.
- Components and Upgrades: Select individual seals (e.g., sprocket shaft, shifter lever) or packs (5-10 units); upgrade to fuel-resistant kits for comprehensive overhauls. Focus on materials that won't crack or become brittle.
- Brand and Quality: Choose James Gasket for top-quality seals like drive gear or solenoid types, or Cometic for premium Viton/silicone/nitrile options. Prioritize USA-made materials for durability and fuel resistance.
- Installation and Cost: Seals are straightforward replacements for DIY maintenance; prices range from $3.95 for individual seals to $35.95 for kits—factor in pack sizes (e.g., 5-10) and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models and engines do these seals and O-rings support? Parts support Big Twin, Evo, Twin Cam, and models like FL/FLH, XL, Softail—use the year/make/model filter for compatibility, including specific applications like oil pump or fork seals.
- How do Viton seals improve performance? Viton offers high-temp and oil resistance, preventing leaks in critical areas like sprocket shafts or pushrod covers for reliable engine operation.
- What materials are used in seals and O-rings? Common materials include Viton (for oil/cranks), Nitrile Rubber (neutral switch), Silicone (rocker breather), ensuring fuel resistance without cracking.
- Are these sold in packs or individually? Many are in packs (5-10 units) for convenience in rebuilds; some like fork seal kits include everything needed for installation.
- What if a part doesn't fit my Harley? Verify application (e.g., shifter shaft, fuel filter) and year before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related engine parts? Yes—explore gaskets, pistons, or full rebuild kits in the Harley engine category to complement your seals and O-rings for a complete overhaul.
