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 Main Drive Gear O-Ring - FXST 11166
JAMES GASKET
$15.90A failing main drive gear seal compromises your entire drivetrain, allowing oil to weep into the primary case and degrading performance. The JAMES GASKET Main Drive Gear O-Ring replaces worn factory seals with OEM-equivalent quality, restoring a proper...DS174395- SKU:
- DS174395
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- UNITS:
- 25 PACK
- RIDING STYLE:
- STREET
- APPLICATION:
- MAIN DRIVE GEAR
- PRODUCT NAME:
- SEAL
$15.90 -
JAMES GASKET Air Control O-Ring 11140
JAMES GASKET
$10.70Air control o-rings are critical sealing components that prevent boost leaks and maintain system integrity in forced induction applications. A compromised or worn o-ring can result in inconsistent air delivery, loss of boost pressure, and degraded engine...DS174392- SKU:
- DS174392
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- O-RING
- TYPE:
- FRONT FORK
- UNITS:
- 25 PACK
- APPLICATION:
- AIR CONTROL CAP
- RIDING STYLE:
- STREET
$10.70 -
JAMES GASKET Pushrod Cover Cork 17955-48-D
JAMES GASKET
$9.95Pushrod cover gaskets are critical sealing components that prevent oil leakage around your engine's valve train—neglecting this maintenance item invites costly oil seepage that can compromise engine cleanliness and performance over time. The JAMES GASKET...DS174390- SKU:
- DS174390
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- PUSHROD COVER
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
$9.95 -
JAMES GASKET Trans Quad Seal 11165
JAMES GASKET
$23.60Transmission fluid leaks compromise both performance and reliability, leaving your engine vulnerable to damage and costly repairs. The JAMES GASKET Trans Quad Seal 11165 is engineered to eliminate seal failure points and maintain consistent fluid...DS174387- SKU:
- DS174387
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- TRANSMISSION
- PRODUCT NAME:
- X-RING
- STYLE:
- 5-SPEED
- TYPE:
- QUAD SEAL
- UNITS:
- 25 PACK
- RIDING STYLE:
- STREET
$23.60 -
JAMES GASKET Dipstick/Filler Cap O-Ring 62673-90
JAMES GASKET
$8.50A worn or degraded dipstick/filler cap O-ring will compromise your engine's oil sealing integrity, leading to leaks and potential contamination of your crankcase. This OEM-specification replacement from James Gasket ensures a proper seal at the dipstick...DS174385- SKU:
- DS174385
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
- APPLICATION:
- OIL TANK CAP
$8.50 -
JAMES GASKET Lower Dipstick Cover O-Ring - FXDB 62672-90
JAMES GASKET
$8.50A leaking dipstick cover O-ring is an easy fix that prevents oil seepage and keeps your engine bay clean. This OEM-specification replacement gasket ensures a proper seal on your Harley-Davidson's dipstick assembly, eliminating drips that can accumulate...DS174384- SKU:
- DS174384
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
- APPLICATION:
- DIPSTICK
- TYPE:
- OIL
$8.50 -
JAMES GASKET Intake Seal Kit 27002-89-K
JAMES GASKET
$17.95Intake seal degradation compromises combustion efficiency and allows vacuum leaks that rob your engine of power and precision. The JAMES GASKET Intake Seal Kit 27002-89-K restores a complete, airtight seal between your carburetor, intake manifold, and...DS174381- SKU:
- DS174381
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- THICKNESS:
- 40 MM
- UNITS:
- KIT
- APPLICATION:
- INTAKE MANIFOLD TO CARBURETOR
- RIDING STYLE:
- STREET
- STYLE:
- FOR ORIGINAL EQUIPMENT CARBS
- THICKNESS METRIC:
- 40 MM
- PRODUCT NAME:
- SEAL
$17.95 -
JAMES GASKET Trans Filler Plug O-Ring - Big Twin 11178
JAMES GASKET
$5.50A transmission filler plug o-ring might seem like a minor component, but it's critical to preventing fluid leakage and maintaining proper transmission pressure in your Big Twin engine. JAMES Gasket's replacement o-ring ensures a reliable seal that keeps...DS174379- SKU:
- DS174379
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- TYPE:
- TRANSMISSION
- APPLICATION:
- FILLER PLUG
- UNITS:
- 25 PACK
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
$5.50 -
JAMES GASKET Mainshaft 5 Speed O-Ring 11162
JAMES GASKET
$13.30A quality mainshaft O-ring seal is critical to maintaining shift quality and preventing fluid leakage in your 5-speed transmission. The JAMES GASKET mainshaft O-ring is engineered to OEM specifications, ensuring reliable sealing under high-RPM conditions...DS174378- SKU:
- DS174378
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- MAINSHAFT
- PRODUCT NAME:
- O-RING
- STYLE:
- 5-SPEED
- UNITS:
- 25 PACK
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$13.30 -
JAMES GASKET Counter Shafter O-Ring 11115
JAMES GASKET
$13.30The counter shaft is one of the hardest-working components in your engine's transmission system, and a failed o-ring can compromise oil sealing and lead to costly leaks or internal damage. JAMES GASKET's Counter Shafter O-Ring 11115 delivers precision...DS174377- SKU:
- DS174377
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- O-RING
- UNITS:
- 25 PACK
- APPLICATION:
- COUNTERSHAFT
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- STREET
- STYLE:
- 4-SPEED
$13.30 -
JAMES GASKET 5 Speed Shifter Shaft Seal 12045-DL
JAMES GASKET
$18.50Transmission fluid leaks around your shifter shaft will compromise hydraulic pressure, degrade shift quality, and accelerate internal wear. The JAMES GASKET 5 Speed Shifter Shaft Seal delivers a factory-engineered barrier that maintains fluid integrity...DS174376- SKU:
- DS174376
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- SHIFTER SHAFT
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
$18.50 -
JAMES GASKET Shifter Shaft Cover Seal 12010
JAMES GASKET
$18.80A leaking shifter shaft cover compromises your transmission's integrity and invites contamination into critical drivetrain components. The JAMES GASKET Shifter Shaft Cover Seal 12010 delivers a precise, OEM-quality replacement that restores a watertight...DS174375- SKU:
- DS174375
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- SHIFTER SHAFT
- APPLICATION:
- TRANSMISSION
- PRODUCT NAME:
- SEAL
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$18.80 -
JAMES GASKET Shifter O-Ring - FXST 11191
JAMES GASKET
$5.40A worn or damaged shifter o-ring compromises shift quality and allows unwanted fluid seepage, undermining the precision your bike demands. This JAMES GASKET replacement o-ring restores factory seal integrity and smooth shifting performance. Direct...DS174374- SKU:
- DS174374
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- O-RING
- UNITS:
- 25 PACK
- MATERIAL:
- RUBBER
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- APPLICATION:
- GEAR SHIFT LEVER
$5.40 -
JAMES GASKET Carb to Main Seal 27002-89
JAMES GASKET
$11.95A properly sealed carburetor-to-intake manifold interface is critical for maintaining consistent air-fuel mixture delivery and preventing vacuum leaks that rob your engine of performance. The JAMES GASKET Carb to Main Seal ensures a reliable, lasting...DS174373- SKU:
- DS174373
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- CARBURETOR
- APPLICATION:
- INTAKE MANIFOLD
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- SEAL
$11.95 -
JAMES GASKET Float Bowl O-Ring 27577-88
JAMES GASKET
$16.40A properly sealed float bowl is critical to carburetor reliability and consistent fuel delivery—a failing O-ring will cause fuel leaks, performance issues, and potential fire hazards. The JAMES GASKET Float Bowl O-Ring is engineered to maintain a...DS174371- SKU:
- DS174371
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- CARBURETOR
- APPLICATION:
- FLOAT BOWL
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- UNITS:
- 5 PACK
$16.40 -
JAMES GASKET Clutch Cable O-Ring 11179
JAMES GASKET
$10.30A worn or degraded clutch cable O-ring can compromise shift precision and lead to cable binding or premature wear—critical issues when you're pushing your machine to its limits. The JAMES GASKET Clutch Cable O-Ring 11179 is engineered to maintain a...DS174369- SKU:
- DS174369
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- CLUTCH CABLE
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 25 PACK
- PRODUCT NAME:
- O-RING
$10.30 -
JAMES GASKET Intake Seal - Big Twin/XL 26995-86-A
JAMES GASKET
$22.80A compromised intake seal creates vacuum leaks that rob your Big Twin or XL of horsepower, increase fuel consumption, and can lead to hard starting and rough idle conditions. The JAMES GASKET Intake Seal is engineered to maintain a precise, airtight seal...DS174368- SKU:
- DS174368
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE MANIFOLD
$22.80 -
JAMES GASKET Shifter Shaft Seal - XL 37101-84
JAMES GASKET
$5.95A leaking shifter shaft seal compromises transmission integrity and can lead to costly fluid loss and internal damage. The JAMES GASKET Shifter Shaft Seal XL provides a reliable, OEM-quality replacement that stops leaks before they become expensive...DS174366- SKU:
- DS174366
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
- APPLICATION:
- CLUTCH RELEASE LEVER
- APPLICATION:
- SHIFTER SHAFT
$5.95 -
JAMES GASKET Primary Filler Plug O-Ring - XL 11139
JAMES GASKET
$10.40A worn or damaged primary filler plug O-ring compromises your engine's seal integrity, risking oil leakage and potential internal contamination. The JAMES GASKET Primary Filler Plug O-Ring XL 11139 delivers a precision replacement that restores a...DS174364- SKU:
- DS174364
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- INSPECTION COVER
- MATERIAL:
- RUBBER
- APPLICATION:
- FILLER
- UNITS:
- 25 PACK
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$10.40 -
JAMES GASKET Tappet Guide Lower O-Ring - XL 11168-A
JAMES GASKET
$19.40Precision valve train operation depends on proper tappet guide sealing, and a degraded o-ring compromises oil containment and camshaft stability. The JAMES GASKET Tappet Guide Lower O-Ring XL maintains critical compression and prevents internal leakage...DS174363- SKU:
- DS174363
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- TAPPET GUIDE
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- PRODUCT NAME:
- O-RING
- UNITS:
- 25 PACK
$19.40
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.
