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 Rocker Arm Shaft O-Ring 11101
JAMES GASKET
$5.40A failing rocker arm shaft o-ring compromises oil sealing and can lead to costly leaks that affect valve train performance and engine longevity. The JAMES GASKET Rocker Arm Shaft O-Ring 11101 is a precision-engineered replacement that restores proper...DS174290- SKU:
- DS174290
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- UNITS:
- 25 PACK
- APPLICATION:
- ROCKER COVER
- PRODUCT NAME:
- O-RING
- APPLICATION:
- PUSHROD TUBE
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$5.40 -
JAMES GASKET Pushrod O-Ring - Big Twin 11157
JAMES GASKET
$20.10Pushrod o-rings are a critical seal in your Big Twin engine's valve train, and degradation leads to oil leakage and potential valve train damage. JAMES GASKET's precision-engineered o-ring maintains a reliable seal under high RPM loads and temperature...DS174289- SKU:
- DS174289
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- APPLICATION:
- PUSHROD COVER
- APPLICATION:
- ROCKER COVER
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 25 PACK
- PRODUCT NAME:
- O-RING
$20.10 -
JAMES GASKET Upper Pushrod O-Ring - XL 11190
JAMES GASKET
$38.60Upper pushrod o-rings are critical wear items that prevent oil leakage and maintain proper valve train sealing under high RPM operation. A compromised o-ring leads to oil loss, reduced engine efficiency, and potential internal damage—making regular...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
$18.30A worn or degraded clutch inspection cover o-ring compromises your engine's sealing integrity, risking oil leakage and potential contamination of critical drivetrain components. The JAMES GASKET XL 11187 is engineered to deliver a reliable, long-lasting...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
$18.30Inspection cover leaks compromise engine cleanliness and create messy work bays. The JAMES GASKET Chrome Inspection Cover O-Ring delivers a reliable, factory-quality seal that eliminates weeping and maintains a tight fit across repeated service intervals...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
$12.70Umbrella valve seals are critical to maintaining proper valve stem sealing and preventing oil blow-by in high-performance engines. A worn or degraded seal compromises compression, increases emissions, and can lead to costly engine damage. The JAMES...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
$19.00A failing float bowl O-ring is an easy source of fuel leaks and carburetor inconsistency that can derail your tuning efforts. This JAMES GASKET replacement delivers OEM-equivalent sealing without the downtime of sourcing factory parts. Get back to...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
$6.30Tappet guide o-rings are critical wear items that prevent oil leakage and maintain proper valve train geometry in high-revving engines. Over time, these seals degrade from heat cycling and pressure, leading to oil weeping and potential valve train...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
$6.40A failing intake manifold gasket can compromise your engine's air-fuel mixture and cause vacuum leaks that kill performance and fuel economy. The JAMES GASKET Intake Manifold O-Ring 27060-55 provides a precision seal that restores proper combustion...DS174220- 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
$32.95Engine oil leaks at the sprocket shaft are a common failure point on Big Twin motors, and a compromised seal can lead to costly damage and reduced reliability on the track or street. The JAMES GASKET Sprocket Shaft Seal is engineered to provide a tight,...DS174205- 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
$7.95Push rod cover leaks compromise engine cleanliness and can lead to costly oil seepage issues that deteriorate gasket integrity over time. The JAMES GASKET Push Rod Cover Cork delivers OEM-grade sealing performance with a proven cork composition designed...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
$52.95A leaking carb seal is a common culprit behind fuel seepage, performance loss, and potential engine damage. JAMES GASKET's 44 mm Carb Seal Ring delivers a complete kit with factory-spec seals to restore a proper fuel-tight seal at your carb-to-intake and...DS173538- 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
$17.95Intake manifold seals deteriorate over time, leading to vacuum leaks, rough idle, and inconsistent fuel delivery—all of which compromise engine performance and reliability. The JAMES GASKET 44 mm Intake Manifold Seal Kit eliminates these issues with...DS173537- 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
$11.40A compromised main seal will cost you far more in engine damage than the price of preventative replacement. JAMES GASKET's main seal is engineered to maintain a perfect barrier against oil seepage, protecting your crankshaft and bearings from...DS173536- 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
$20.95Engine contamination degrades oil quality and reduces component lifespan—a quality remote filter seal keeps your system clean and protected without compromise. If you're running a remote filtration setup, these JAMES GASKET seals are engineered to...DS173527- 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
$18.90A compromised gas line seal can lead to fuel leaks, performance loss, and safety hazards that put your engine at risk. The JAMES GASKET Gas Line Seal FL/H 62360-50 delivers reliable, leak-free fuel delivery with OEM-grade construction built to withstand...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
$11.30A worn or failing rocker shaft o-ring is one of the quickest ways to develop oil leaks that compromise engine sealing and performance. The JAMES GASKET X-Large Rocker Shaft O-Ring delivers OEM-equivalent sealing in a size designed for larger displacement...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
$15.70Cylinder head gaskets are only as reliable as their sealing components, and a compromised stud O-ring will cause oil weeping, compression loss, and potential head gasket failure. The JAMES GASKET Cylinder Stud O-Ring maintains a perfect seal under...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
$19.70A worn or leaking starter oil seal compromises engine integrity and can lead to costly oil seepage and potential starter failure on your Big Twin. The JAMES GASKET Starter Oil Seal delivers OEM-equivalent sealing performance with domestic manufacturing...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
$35.70A faulty fuel gauge o-ring leads to inaccurate readings and potential fuel system leaks—both costly problems on the track or street. This JAMES GASKET replacement ensures a reliable seal between your fuel tank sender and gauge, restoring accurate fuel...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
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.
