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
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JAMES GASKET Upper Pushrod O-Ring - XL 11190
JAMES GASKET
$38.60Made in the U.S.A.DS174287- SKU:
- DS174287
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 25 PACK
- APPLICATION:
- CYLINDER HEAD
- APPLICATION:
- PUSHROD COVER
$38.60 -
JAMES GASKET Clutch Inspection Cover O-Ring - XL 11187
JAMES GASKET
$18.30Made in the U.S.A.DS174286- SKU:
- DS174286
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- 25 PACK
- APPLICATION:
- CLUTCH INSPECTION COVER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- PRODUCT NAME:
- O-RING
$18.30 -
JAMES GASKET Chrome Inspection Cover O-Ring - XL 11188
JAMES GASKET
$18.30Latest 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,...DS174285- SKU:
- DS174285
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- INSPECTION COVER
- TYPE:
- PRIMARY COVER
- PRODUCT NAME:
- O-RING
- UNITS:
- 25 PACK
$18.30 -
JAMES GASKET Umbrella Valve Seal 26856-89
JAMES GASKET
$12.70Made in the U.S.A.DS174284- SKU:
- DS174284
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- 10 PACK
- APPLICATION:
- UMBRELLA VALVE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
$12.70 -
JAMES GASKET Float Bowl O-Ring 27577-92
JAMES GASKET
$19.00Made in the U.S.A.DS174283- SKU:
- DS174283
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- UNITS:
- 5 PACK
- APPLICATION:
- CARBURETOR
- APPLICATION:
- FLOAT BOWL
$19.00 -
JAMES GASKET Tappet Guide O-Ring - XL 11100
JAMES GASKET
$6.30Made in the U.S.A.DS174270- SKU:
- DS174270
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- TAPPET GUIDE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- TYPE:
- OIL
- UNITS:
- 25 PACK
$6.30 -
JAMES GASKET Intake Manifold O-Ring 27060-55
JAMES GASKET
$6.40JAMES GASKET Intake Manifold O-RingDS174220- SKU:
- DS174220
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- INTAKE MANIFOLD
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- PRODUCT NAME:
- O-RING
$6.40 -
JAMES GASKET Sprocket Shaft Seal - Big Twin 24776-40-X
JAMES GASKET
$32.95JAMES GASKET Sprocket Shaft Seal - Big TwinDS174205- SKU:
- DS174205
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- MOTOR SHAFT
$32.95 -
JAMES GASKET Push Rod Cover Cork - XL 17955-36-D
JAMES GASKET
$7.95Made in the U.S.A.DS174190- SKU:
- DS174190
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- APPLICATION:
- PUSHROD COVER
$7.95 -
JAMES GASKET Carb Seal Ring - 44 mm 29639-99
JAMES GASKET
$52.95Kits contain carb-to-intake seal and two intake-to-cylinder head sealsDS173538- SKU:
- DS173538
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- APPLICATION:
- CARBURETOR
- APPLICATION:
- INTAKE MANIFOLD
- THICKNESS:
- 44 MM
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 44 MM
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$52.95 -
JAMES GASKET Intake Manifold Seal Kit - 44 mm 27002-00
JAMES GASKET
$17.95Kits contain carb-to-intake seal and two intake-to-cylinder head sealsDS173537- SKU:
- DS173537
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- THICKNESS:
- 44 MM
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- THICKNESS METRIC:
- 44 MM
- STYLE:
- FOR SCREAMING EAGLE CARBS
- APPLICATION:
- INTAKE MANIFOLD TO CARBURETOR
- PRODUCT NAME:
- SEAL
$17.95 -
JAMES GASKET Main Seal Blue - Big Twin 12035-B
JAMES GASKET
$11.40Top quality main drive gear shaft sealsDS173536- SKU:
- DS173536
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$11.40 -
JAMES GASKET Remote Filter Seals 63800-48-K
JAMES GASKET
$20.95High-quality drop-in filters are a dependable replacementDS173527- SKU:
- DS173527
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
- APPLICATION:
- OIL FILTER
- RIDING STYLE:
- STREET
$20.95 -
JAMES GASKET Gas Line Seal - FL/H 62360-50
JAMES GASKET
$18.90Made in the U.S.A.DS173513- SKU:
- DS173513
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- GAS LINE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
$18.90 -
JAMES GASKET X-Large Rocker Shaft O-Ring 11101-X
JAMES GASKET
$11.30Made in the U.S.A.DS173508- SKU:
- DS173508
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- PRODUCT NAME:
- O-RING
- APPLICATION:
- ROCKER COVER
- SIZE:
- OVERSIZE
- APPLICATION:
- PUSHROD TUBE
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 25 PACK
$11.30 -
JAMES GASKET Cylinder Stud O-Ring - .62" 26432-76-X
JAMES GASKET
$15.70Made in the U.S.A.DS173507- SKU:
- DS173507
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- THICKNESS IMPERIAL:
- 0.062'
- UNITS:
- 10 PACK
- APPLICATION:
- CYLINDER HEAD
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$15.70 -
JAMES GASKET Starter Oil Seal - Big Twin 12043-A
JAMES GASKET
$19.70Made in the U.S.A.DS173506- SKU:
- DS173506
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- UNITS:
- 5 PACK
- APPLICATION:
- STARTER
- APPLICATION:
- TRANSMISSION
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$19.70 -
JAMES GASKET Fuel Gauge O-Ring - Big Twin 61192-88
JAMES GASKET
$35.70Make in the U.S.A.DS173505- SKU:
- DS173505
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- O-RING
- APPLICATION:
- FUEL CAP
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 10 PACK
$35.70 -
JAMES GASKET Derby Cover Quad Seal - Big Twin 25416-84-X
JAMES GASKET
$26.10Latest 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,...DS173501- SKU:
- DS173501
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- X-RING
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- APPLICATION:
- DERBY COVER
- TYPE:
- QUAD SEAL
$26.10 -
JAMES GASKET Rocker Box Cover Washer - Big Twin/XL 6114
JAMES GASKET
$6.20Made in the U.S.A.DS173500- SKU:
- DS173500
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- COPPER
- UNITS:
- 10 PACK
- PRODUCT NAME:
- WASHER
- RIDING STYLE:
- STREET
- APPLICATION:
- ROCKER COVER
$6.20
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.