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 Drive Gear Seal - Big Twin 12077
JAMES GASKET
$19.90A failing drive gear shaft seal compromises your entire drivetrain by allowing oil to escape and contaminants to enter, leading to premature wear and catastrophic failure. The JAMES GASKET Drive Gear Seal is precision-engineered to maintain a reliable...09350405- SKU:
- 09350405
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$19.90 -
JAMES GASKET Solenoid Seal - FL/FLH 60645-65-X
JAMES GASKET
$8.50The JAMES GASKET Solenoid Seal is engineered to prevent oil seepage and maintain pressure integrity in your FL/FLH transmission solenoid assembly. A failing seal here doesn't just cause messy leaks—it compromises shift quality and can lead to expensive...09350242- SKU:
- 09350242
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- APPLICATION:
- INNER PRIMARY
- PRODUCT NAME:
- X-RING
- TYPE:
- QUAD SEAL
- APPLICATION:
- SOLENOID
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$8.50 -
JAMES GASKET Fuel Filter O-Ring 11351
JAMES GASKET
$21.50A compromised fuel filter O-ring is a silent threat to engine reliability—allowing fuel contamination and pressure loss that can damage injectors and compromise performance. The JAMES GASKET Fuel Filter O-ring 11351 restores a proper seal in your fuel...09350245- SKU:
- 09350245
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- TYPE:
- FUEL PUMP
- UNITS:
- 25 PACK
- APPLICATION:
- FUEL FILTER
$21.50 -
JAMES GASKET Fork Seal Kit - 49 mm 45849-01-VR
JAMES GASKET
$35.95Leaking fork seals compromise your suspension performance and can lead to costly damage to your fork internals. This JAMES GASKET Fork Seal Kit gives you everything needed for a complete seal replacement, restoring your suspension's damping...09350253- SKU:
- 09350253
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
$35.95 -
JAMES GASKET Oil Pump Shaft Seal - XL/Big Twin 26227-58
JAMES GASKET
$18.70An oil pump shaft seal failure in your XL or Big Twin engine means catastrophic oil loss and potential engine seizure—and it's one of the most common wear points on Harley powerplants. The JAMES GASKET Oil Pump Shaft Seal replaces the OEM component with...DS194425- SKU:
- DS194425
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- OIL PUMP
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$18.70 -
On Sale
JAMES GASKET Front Oil Pump O-Ring 10967
JAMES GASKET
Now: $4.00Was: $8.60A failing front oil pump O-ring doesn't just leak—it compromises your engine's lubrication system when you need it most. The JAMES GASKET Front Oil Pump O-Ring 10967 is engineered to seal tight under pressure, preventing oil loss that can lead to...09351086- SKU:
- 09351086
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- TYPE:
- OIL PUMP CAP
Now: $4.00Was: $8.60 -
On Sale
JAMES GASKET Oil Pump Valve O-Ring 10971
JAMES GASKET
MSRP: $3.95Now: $3.00Was: $7.20A properly functioning oil pump valve is critical to maintaining consistent oil pressure and protecting your engine's internal components from starvation and wear. This JAMES GASKET O-ring replacement ensures a reliable seal in your oil pump valve...09351088- SKU:
- 09351088
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- OIL PUMP VALVE
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
MSRP: $3.95Now: $3.00Was: $7.20 -
JAMES GASKET Oil Line O-Ring - Softail 11326
JAMES GASKET
$8.40Oil line O-rings are critical wear items that prevent leaks at connection points and maintain system pressure integrity. A failed or degraded O-ring compromises oil delivery, increases contamination risk, and can lead to catastrophic engine damage. The...09350281- SKU:
- 09350281
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- 10 PACK
- APPLICATION:
- MOTOR
- APPLICATION:
- OIL LINE
- PRODUCT NAME:
- O-RING
$8.40 -
JAMES GASKET Interconnect Oil Seal 45359-00
JAMES GASKET
$20.30Prevent costly oil leakage and internal contamination with the JAMES GASKET Interconnect Oil Seal 45359-00, engineered to maintain pressure integrity across critical engine passages. This OEM-grade seal is essential for preserving hydraulic separation...09350252- SKU:
- 09350252
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CHAIN GUIDE SUPPORT
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- APPLICATION:
- ENGINE BALANCER
- RIDING STYLE:
- STREET
$20.30 -
COMETIC Neutral Switch O-Ring C9642
COMETIC
$9.50A reliable neutral switch o-ring is critical for maintaining proper electrical continuity and preventing fuel leaks in your transmission system. The COMETIC C9642 is engineered with premium fuel-resistant elastomers that withstand extreme temperatures...09341389- SKU:
- 09341389
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- NEUTRAL GEAR SWITCH
- UNITS:
- 10 PACK
- MATERIAL:
- NITRILE RUBBER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
$9.50Qty in Cart: 0Quantity:Price:$9.50Subtotal: -
COMETIC Rocker Breather Seal C9198
COMETIC
$9.40Crankcase pressure management directly impacts engine reliability and longevity. The COMETIC Rocker Breather Seal C9198 prevents oil seepage and maintains proper ventilation in your rocker cover assembly, eliminating messy leaks that compromise engine...09341397- SKU:
- 09341397
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- ROCKER COVER
- MATERIAL:
- SILICONE
- UNITS:
- PAIR
$9.40 -
On Sale
COMETIC Injector O-Ring C10205
COMETIC
Now: $8.00Was: $9.00Fuel injector o-rings are critical sealing components that prevent leaks at injector bungs, which can compromise fuel pressure, cause rough idle, and lead to costly engine damage. A degraded or worn o-ring will allow fuel to escape into the intake...09350994- SKU:
- 09350994
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- APPLICATION:
- FUEL INJECTOR
- UNITS:
- 10 PACK
Now: $8.00Was: $9.00Qty in Cart: 0Quantity:Price:Now: $8.00Was: $9.00Subtotal: -
On Sale
COMETIC Injector O-Ring C10206
COMETIC
Now: $8.00Was: $9.00Injector o-rings are critical sealing components that prevent fuel and coolant leaks at the injector body interface. A compromised o-ring can lead to fuel seepage, rough idle, and potential engine damage. The COMETIC Injector O-Ring C10206 delivers...09350995- SKU:
- 09350995
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- APPLICATION:
- FUEL INJECTOR
Now: $8.00Was: $9.00Qty in Cart: 0Quantity:Price:Now: $8.00Was: $9.00Subtotal: -
On Sale
COMETIC Air Cleaner Seal C10207
COMETIC
Now: $16.00Was: $17.10A properly sealed air cleaner isn't just about filtration—it's about preventing unmetered air from bypassing your filter and contaminating your fuel mixture with abrasive particles. The COMETIC Air Cleaner Seal C10207 delivers the precision fit and...09350996- SKU:
- 09350996
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- APPLICATION:
- AIR CLEANER
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL
Now: $16.00Was: $17.10Qty in Cart: 0Quantity:Price:Now: $16.00Was: $17.10Subtotal: -
On Sale
COMETIC Seal C10209
COMETIC
Now: $15.00Was: $15.80Seal failures compromise engine integrity and can lead to costly leaks and performance degradation. The COMETIC Seal C10209 eliminates that risk with fuel-resistant construction designed to maintain a perfect seal under extreme operating conditions...09350998- SKU:
- 09350998
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- APPLICATION:
- CRANKCASE
- RIDING STYLE:
- STREET
- UNITS:
- 4 PACK
- PRODUCT NAME:
- SEAL
Now: $15.00Was: $15.80Qty in Cart: 0Quantity:Price:Now: $15.00Was: $15.80Subtotal: -
On Sale
COMETIC O-Ring C10212
COMETIC
Now: $6.00Was: $6.80Proper sealing is non-negotiable in high-performance applications where pressure spikes and thermal cycling demand absolute reliability. The Cometic O-Ring C10212 delivers consistent, leak-free sealing across critical engine and drivetrain components...09351000- SKU:
- 09351000
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- O-RING
- APPLICATION:
- OIL LINE
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
Now: $6.00Was: $6.80Qty in Cart: 0Quantity:Price:Now: $6.00Was: $6.80Subtotal: -
COMETIC Clutch Release Gear Seal C9364-1
COMETIC
$4.00The clutch release seal is a critical barrier against fluid contamination and leakage in your clutch hydraulic system. A worn or deteriorating seal compromises pressure consistency and can lead to engagement issues, slipping, and costly internal damage...09350827- SKU:
- 09350827
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
- APPLICATION:
- RELEASE ROD
- MATERIAL:
- VITON
$4.00 -
COMETIC Sprocket Shaft Seal C9366-1
COMETIC
$6.00Sprocket shaft seals are critical to preventing fluid leakage and contamination in high-performance engines where precision and reliability are non-negotiable. The COMETIC C9366-1 delivers the durability required for sustained racing applications without...09350829- SKU:
- 09350829
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- SPROCKET SHAFT
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$6.00 -
On Sale
COMETIC Pushrod Cover Seals C9369
COMETIC
Now: $11.00Was: $11.60Pushrod cover leaks are a common source of oil seepage that compounds over time, potentially contaminating spark plug wells and compromising ignition reliability. The COMETIC C9369 Pushrod Cover Seals are precision-engineered replacements that restore a...09350832- SKU:
- 09350832
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- PUSHROD COVER
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- MATERIAL:
- VITON
- UNITS:
- 5 PACK
Now: $11.00Was: $11.60Qty in Cart: 0Quantity:Price:Now: $11.00Was: $11.60Subtotal: -
COMETIC Shifter Lever Shaft Seal C9370-1
COMETIC
$5.00Shifter lever shaft seals endure extreme heat cycles and fluid exposure in high-performance transmissions—component failure here means slippage, leakage, and potential drivetrain damage. The COMETIC C9370-1 is engineered with fuel-resistant elastomer...09350833- SKU:
- 09350833
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- SEAL
- MATERIAL:
- VITON
- APPLICATION:
- SHIFTER SHAFT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$5.00
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.
