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 Accelerator Pump O-Ring 27360-76
JAMES GASKET
$11.40A worn or degraded accelerator pump o-ring compromises fuel delivery precision and can cause stumbling, hesitation, or flat spots during acceleration. This OEM-quality replacement restores proper seal integrity, ensuring consistent fuel atomization and...DS193626- SKU:
- DS193626
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- UNITS:
- 20 PACK
- TYPE:
- SEAL
- APPLICATION:
- ACCELERATOR PUMP
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
$11.40 -
JAMES GASKET Low Speed Adjustment O-Ring - Big Twin 27892-78
JAMES GASKET
$6.70Precise carburetor tuning hinges on reliable low-speed adjustment components, and this JAMES GASKET O-ring is engineered to maintain a consistent seal under repeated adjustment cycles. A worn or compromised seal causes fuel mixture inconsistencies that...DS193628- SKU:
- DS193628
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- APPLICATION:
- CARBURETOR
- PRODUCT NAME:
- O-RING
$6.70 -
JAMES GASKET Shifter Lever Seal - XL 7019
JAMES GASKET
$11.40Shifter lever seals prevent fluid leakage and contamination at one of your transmission's most vulnerable points. A quality seal like this JAMES GASKET unit eliminates sloppy, unreliable shifts caused by compromised hydraulic integrity. Install this XL...DS193632- SKU:
- DS193632
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- APPLICATION:
- SHIFTER SHAFT
- APPLICATION:
- CHAIN COVER
- RIDING STYLE:
- STREET
$11.40 -
JAMES GASKET Pushrod Seal Set - Big Twin 17955-48-FL
JAMES GASKET
$17.95When you're rebuilding your Big Twin engine or replacing the camshaft, using the correct pushrod seals is non-negotiable—improper seals lead to oil leaks and compromised engine performance. The JAMES GASKET Pushrod Seal Set eliminates guesswork by...DS194493- SKU:
- DS194493
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- PUSHROD TUBE
- MATERIAL:
- CORK
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- STREET
$17.95 -
JAMES GASKET Inner Primary Bearing Seal 12018
JAMES GASKET
$19.40A worn or failing inner primary bearing seal compromises the integrity of your primary drive system, leading to fluid leakage, contamination, and accelerated wear on critical components. The JAMES GASKET Inner Primary Bearing Seal 12018 delivers...DS194480- SKU:
- DS194480
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- INNER PRIMARY
$19.40 -
JAMES GASKET Clutch Hub Nut Seal 12014
JAMES GASKET
$9.10A worn or damaged clutch hub nut seal compromises your transmission's integrity, leading to fluid leakage and accelerated wear on internal components. This JAMES GASKET direct OEM replacement restores the factory seal specification, ensuring reliable...DS194475- SKU:
- DS194475
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- SPROCKET
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$9.10 -
JAMES GASKET Mainshaft Seal 5 Speed - Big Twin 12050
JAMES GASKET
$9.95A worn mainshaft seal is a gateway to catastrophic engine failure—oil seepage leads to inadequate lubrication, bearing wear, and costly internal damage. The JAMES GASKET Mainshaft Seal 5 Speed is precision-engineered to maintain proper oil containment...DS194476- SKU:
- DS194476
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- EACH
- APPLICATION:
- MAIN DRIVE GEAR
- APPLICATION:
- MAINSHAFT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- TRANSMISSION
$9.95 -
JAMES GASKET Trans Mainshaft Seal - Small 12022
JAMES GASKET
$9.40A worn mainshaft seal is a direct path to transmission fluid leakage, which compromises lubrication and accelerates internal wear. The JAMES GASKET Trans Mainshaft Seal delivers OEM-grade sealing integrity with consistent performance across high-stress...DS194470- SKU:
- DS194470
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- UNITS:
- 5 PACK
$9.40 -
JAMES GASKET Motor Sprocket Seal 35151-52-A
JAMES GASKET
$17.40A leaking motor sprocket seal compromises engine efficiency and invites contamination into critical drivetrain components. The JAMES GASKET Motor Sprocket Seal 35151-52-A delivers OEM-grade sealing performance with a precision fit, eliminating oil weep...DS194415- SKU:
- DS194415
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- 5 PACK
- APPLICATION:
- ENGINE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- TRANSMISSION
$17.40 -
JAMES GASKET Sprocket Shaft Seal - XL 12049-DL
JAMES GASKET
$14.70A worn or failing sprocket shaft seal is an open invitation for oil leakage, bearing contamination, and premature drivetrain failure. The JAMES GASKET Sprocket Shaft Seal XL 12049-DL provides a robust, precision-fit solution that keeps your oil where it...DS194417- SKU:
- DS194417
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- SPROCKET SHAFT
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- APPLICATION:
- TRANSMISSION
$14.70 -
JAMES GASKET Right Side Mainshaft Seal - XL 12030
JAMES GASKET
$12.40A failing mainshaft seal is a silent killer for transmission longevity—once it starts leaking, metal-on-metal contact accelerates wear exponentially. The JAMES GASKET Right Side Mainshaft Seal (XL 12030) is precision-engineered to maintain a critical...DS194418- SKU:
- DS194418
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$12.40 -
JAMES GASKET Points Seal - XL 11124
JAMES GASKET
$19.70A failing points seal compromises your engine's reliability and can lead to costly internal damage. The JAMES GASKET Points Seal XL 11124 delivers a precision fit that prevents oil seepage and maintains optimal ignition system performance, keeping your...DS194420- SKU:
- DS194420
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- UNITS:
- 5 PACK
- APPLICATION:
- CAM COVER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
$19.70 -
JAMES GASKET Points Double Lip Seal - XL 11124-DL
JAMES GASKET
$19.70Seal degradation leads to fluid leakage, contamination, and premature bearing failure—all preventable with a quality seal upgrade. The JAMES GASKET Points Double Lip Seal delivers superior sealing performance with dual-lip geometry that actively wipes...DS194421- SKU:
- DS194421
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- CAM COVER
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$19.70 -
JAMES GASKET Lower Pushrod Quad Seal 11133-A
JAMES GASKET
$13.20Pushrod seals are critical to maintaining oil pressure and preventing leakage in high-performance engines where every drop of lubrication matters. The JAMES GASKET Lower Pushrod Quad Seal delivers precision engineering with a quad-seal design that...DS194422- SKU:
- DS194422
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- APPLICATION:
- PUSHROD COVER
- PRODUCT NAME:
- X-RING
- RIDING STYLE:
- STREET
- TYPE:
- QUAD SEAL
- UNITS:
- 25 PACK
- APPLICATION:
- TAPPET GUIDE
- MATERIAL:
- RUBBER
$13.20 -
JAMES GASKET Small Main Drive Gear Seal 12013
JAMES GASKET
$11.50A leaking main drive gear seal compromises both performance and engine longevity, allowing critical lubricant to escape and contaminants to enter your drivetrain. The JAMES GASKET Small Main Drive Gear Seal 12013 delivers OEM-grade sealing reliability...DS194423- SKU:
- DS194423
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- MAIN DRIVE GEAR
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$11.50 -
JAMES GASKET Shifter Shaft Seal - XL 34035-52
JAMES GASKET
$14.80Transmission fluid leaks compromise performance and can lead to catastrophic drivetrain failure. The JAMES GASKET Shifter Shaft Seal XL provides a reliable, OEM-quality seal that prevents fluid loss at a critical pressure point. Keep your transmission...DS194440- SKU:
- DS194440
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- APPLICATION:
- SHIFTER SHAFT
- PRODUCT NAME:
- SEAL
$14.80 -
JAMES GASKET Mainshaft Double Lip Seal - XL 37741-67
JAMES GASKET
$31.40A compromised main drive gear shaft seal can lead to catastrophic fluid loss and internal drivetrain damage. The JAMES GASKET Mainshaft Double Lip Seal XL 37741-67 delivers reliable sealing performance where it matters most, protecting your transmission...DS194450- SKU:
- DS194450
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$31.40 -
JAMES GASKET Pushrod Seal Kit - Big Twin 11133-V2
JAMES GASKET
$11.95A pushrod seal failure can compromise your entire engine rebuild, allowing oil to seep past critical sealing points and undermining all the precision work you've invested in. The JAMES GASKET Pushrod Seal Kit eliminates guesswork by bundling the exact...DS194458- SKU:
- DS194458
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- PUSHROD TUBE
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$11.95 -
JAMES GASKET Point Double Lip Seal 83162-51DL
JAMES GASKET
$18.30Engine sealing integrity directly impacts performance and longevity—a compromised seal allows fluid leakage and contaminant ingress that degrades critical components. The JAMES GASKET Point Double Lip Seal delivers reliable, long-term protection with...DS194460- SKU:
- DS194460
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- CAMSHAFT
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
$18.30 -
JAMES GASKET Motor Sprocket Seal - XL 35151-74
JAMES GASKET
$23.10A failing motor sprocket seal is an open invitation for oil leakage, bearing contamination, and premature drivetrain wear. The JAMES GASKET Motor Sprocket Seal XL 35151-74 delivers OEM-grade sealing performance with the durability to handle high-RPM...DS194461- SKU:
- DS194461
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- PRODUCT NAME:
- SEAL
- APPLICATION:
- SPROCKET
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
$23.10
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.
