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!
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- Qty in Cart
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- Price
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On Sale
S&S CYCLE Viton O-Ring 50-8046
S&S CYCLE
MSRP: $9.95Now: $8.96Was: $9.95Carburetor sealing integrity is non-negotiable when you're dialing in air-fuel mixture on a precision engine. The S&S Cycle Viton O-Ring 50-8046 is the OEM-grade replacement that ensures a leak-free seal on Super E & G carburetors, eliminating vacuum...10500343- SKU:
- 10500343
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
MSRP: $9.95Now: $8.96Was: $9.95 -
On Sale
S&S CYCLE Silicone O-Ring - 50-8009 50-8009
S&S CYCLE
MSRP: $6.95Now: $6.26Was: $6.95Carburetor sealing integrity is critical to consistent fuel delivery and engine performance, and a worn or degraded o-ring compromises both. The S&S Cycle 50-8009 silicone o-ring is engineered to maintain reliable sealing in Super E and G carburetors,...09350864- SKU:
- 09350864
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $6.95Now: $6.26Was: $6.95 -
REVOLUTION PERFORMANCE, LLC Tap-It-Right - O-Ring - 5 Pack TIR-05
REVOLUTION PERFORMANCE, LLC
$11.95Fuel system leaks and fluid seepage are costly problems that compromise performance and reliability. The Tap-It-Right O-Ring 5-Pack provides OEM-quality sealing for critical engine and fuel system connections, eliminating leaks at their source. Whether...09351266- SKU:
- 09351266
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$11.95 -
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 Starter Shaft Seal - Big Twin 12053-A
JAMES GASKET
$28.00A leaking starter shaft seal doesn't just waste oil—it compromises engine reliability and can lead to costly damage if left unchecked. The JAMES GASKET Starter Shaft Seal is engineered to provide a rock-solid barrier against oil seepage, ensuring your...DS194089- SKU:
- DS194089
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- STARTER SHAFT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$28.00 -
JAMES GASKET Countershaft Nut with Seal - Big Twin 35211-36DL
JAMES GASKET
$51.95Transmission oil leakage is a costly problem that compounds over time—worn main drive gear bushings allow fluid to escape past the countershaft nut, leading to inadequate lubrication and potential drivetrain failure. JAMES GASKET's Super Nut™ delivers...DS194076- SKU:
- DS194076
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- SUPER NUT
- APPLICATION:
- SPROCKET
- PRODUCT NAME:
- NUT
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$51.95 -
JAMES GASKET Shifter Shaft Inner Seal - Big Twin 12066
JAMES GASKET
$31.20Shifter shaft seals are critical wear items that prevent transmission fluid from leaking into your primary case, compromising both your drivetrain efficiency and engine cleanliness. A worn or failed inner seal leads to costly fluid loss, contamination,...DS194084- SKU:
- DS194084
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- STARTER SHAFT
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$31.20 -
JAMES GASKET Pushrod Seal Set - Shovelhead 11133-FLH
JAMES GASKET
$11.95Pushrod seal degradation is one of the most common causes of oil leakage and compression loss in Shovelhead engines—and ignoring it leads to catastrophic engine damage. This complete James Gasket seal kit eliminates the guesswork by providing every seal...DS194486- SKU:
- DS194486
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- X-RING
- TYPE:
- QUAD SEAL
- APPLICATION:
- PUSHROD TUBE
- UNITS:
- KIT
$11.95 -
JAMES GASKET Pushrod Seal Set - XL 11190-V2
JAMES GASKET
$17.95A cam change or pushrod seal replacement demands precision—using mismatched or worn seals compromises oil containment and engine reliability. The JAMES GASKET Pushrod Seal Set XL 11190-V2 eliminates guesswork by bundling the complete seal assortment you...DS194487- SKU:
- DS194487
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- PUSHROD COVER
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
$17.95 -
JAMES GASKET Pushrod Seal Set - XL 11101-XL
JAMES GASKET
$8.95A complete pushrod seal rebuild requires precision-matched components—using mismatched or worn seals compromises oil control and engine reliability. The JAMES GASKET Pushrod Seal Set XL 11101-XL bundles the correct quantity of OEM-specification seals in...DS194488- SKU:
- DS194488
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- UNITS:
- KIT
- APPLICATION:
- PUSHROD TUBE
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
$8.95 -
JAMES GASKET Pushrod Seal Set - XL 17955-36-XL
JAMES GASKET
$14.95A complete pushrod seal rebuild requires precision components matched to your engine's exact specifications—and guessing on seal counts wastes time and money. The JAMES GASKET Pushrod Seal Set eliminates the hassle by packaging the correct quantity of...DS194489- SKU:
- DS194489
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- CORK
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- STREET
- APPLICATION:
- PUSHROD COVER
$14.95 -
JAMES GASKET Pushrod Seal Set - Big Twin 11133-FL
JAMES GASKET
$11.95Cam changes and Big Twin rebuilds demand precision sealing to prevent oil leakage and maintain crankcase pressure—this is where quality pushrod seals become non-negotiable. The JAMES GASKET Pushrod Seal Set eliminates guesswork by packaging exactly what...DS194491- SKU:
- DS194491
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- PUSHROD TUBE
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$11.95 -
JAMES GASKET Neoprene O-Rings - 7/8"x 3/32" 253017
JAMES GASKET
$4.95Neoprene O-rings are critical wear items that degrade over time, compromising system integrity and leading to leaks. JAMES GASKET's 7/8" x 3/32" replacements restore proper sealing in Sundance equipment, ensuring reliable performance and preventing...DS253017- SKU:
- DS253017
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- FOOTPEG
- OUTSIDE DIAMETER IMPERIAL:
- 0.875'
- PRODUCT NAME:
- O-RING
- OUTSIDE DIAMETER:
- 0,875'
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.094'
- MATERIAL:
- NEOPRENE
$4.95 -
JAMES GASKET Valve Stem Seal - EVO 18001-83-A
JAMES GASKET
$9.95Valve stem seals are critical to controlling oil consumption and maintaining proper lubrication in your cylinder head. Worn or degraded seals allow oil to bypass into the combustion chamber, resulting in blue smoke, increased emissions, and potential...DS199107- SKU:
- DS199107
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- TYPE:
- VALVE STEM
- UNITS:
- 4 PACK
- PRODUCT NAME:
- SEAL
$9.95 -
JAMES GASKET Neoprene O-Rings - 3/4 x 3/32 241015
JAMES GASKET
$2.95Worn or degraded O-rings compromise seal integrity in your Sundance equipment, leading to fluid leaks and performance loss. These JAMES GASKET neoprene replacements restore OEM-spec sealing performance with reliable durability. Whether you're maintaining...DS241015- SKU:
- DS241015
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- KICK PEDAL
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER IMPERIAL:
- 0.750'
- THICKNESS IMPERIAL:
- 0.094'
- OUTSIDE DIAMETER:
- 0,750'
- UNITS:
- 12 PACK
- MATERIAL:
- NEOPRENE
$2.95 -
JAMES GASKET Derby Cover O-Ring - XL 25463-94
JAMES GASKET
$14.00A quality derby cover seal is non-negotiable if you're serious about keeping oil where it belongs—inside your engine. The James Gasket Derby Cover O-Ring eliminates weeping and seepage around your inspection or derby cover, whether you're running a show...DS193622- SKU:
- DS193622
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- DERBY COVER
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$14.00 -
JAMES GASKET Turn Signal O-Ring - Big Twin/XL 68455-86
JAMES GASKET
$14.00Turn signal assemblies experience constant thermal cycling and vibration, which can degrade standard gaskets and compromise the watertight seal that keeps moisture out of your electrical connections. The JAMES GASKET Turn Signal O-Ring is engineered to...DS193623- SKU:
- DS193623
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- TURN SIGNAL LENS
- TYPE:
- OIL
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
$14.00
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.
