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 S&S Intake Seal - 1.88" 26995-86-D
JAMES GASKET
$27.30JAMES GASKET S&S Intake Seal - 1.88"09340548- SKU:
- 09340548
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- APPLICATION:
- INTAKE MANIFOLD
- PRODUCT NAME:
- SEAL
$27.30 -
On Sale
S&S CYCLE Left Main Seal - Sportster 91-13 31-4060
S&S CYCLE
MSRP: $24.95Now: $22.46Was: $24.95Sprocket shaft seal for '86-'03 XL09350861- SKU:
- 09350861
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER:
- 1,500'
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
- APPLICATION:
- SPROCKET SHAFT
- OUTSIDE DIAMETER:
- 2,000'
- OUTSIDE DIAMETER IMPERIAL:
- 2.000'
- RIDING STYLE:
- STREET
- THICKNESS:
- 0,313'
- THICKNESS IMPERIAL:
- 0.313'
- TYPE:
- OIL
- APPLICATION:
- CRANKSHAFT
- INSIDE DIAMETER IMPERIAL:
- 1.500'
MSRP: $24.95Now: $22.46Was: $24.95 -
On Sale
S&S CYCLE G Manifold to Carburetor O-Ring 50-8093
S&S CYCLE
MSRP: $15.95Now: $14.36Was: $15.95Made in the U.S.A.DS289934- SKU:
- DS289934
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- APPLICATION:
- INTAKE MANIFOLD TO CARBURETOR
MSRP: $15.95Now: $14.36Was: $15.95 -
On Sale
S&S CYCLE Viton O-Ring 50-7961-S
S&S CYCLE
MSRP: $9.95Now: $8.96Was: $9.95O-Ring for Super E & G Carburetors09350862- SKU:
- 09350862
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- EACH
- INSIDE DIAMETER:
- 5,250'
- INSIDE DIAMETER IMPERIAL:
- 5.250'
- RIDING STYLE:
- STREET
- MATERIAL:
- VITON
- OUTSIDE DIAMETER:
- 5,437'
- OUTSIDE DIAMETER IMPERIAL:
- 5.437'
- PRODUCT NAME:
- O-RING
- STYLE:
- PERFORMANCE REPLACEMENT
MSRP: $9.95Now: $8.96Was: $9.95 -
On Sale
S&S CYCLE Viton O-Ring 50-8008
S&S CYCLE
MSRP: $4.95Now: $4.46Was: $4.95O-Ring for Super E & G Carburetors09350863- SKU:
- 09350863
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- OUTSIDE DIAMETER:
- 0,565'
- UNITS:
- EACH
- INSIDE DIAMETER:
- 0,437'
- MATERIAL:
- VITON
- OUTSIDE DIAMETER IMPERIAL:
- 0.565'
- RIDING STYLE:
- STREET
- STYLE:
- CUSTOM REPLACEMENT
- INSIDE DIAMETER IMPERIAL:
- 0.437'
- PRODUCT NAME:
- O-RING
MSRP: $4.95Now: $4.46Was: $4.95 -
On Sale
S&S CYCLE Silicone O-Ring 50-8012
S&S CYCLE
MSRP: $6.95Now: $6.26Was: $6.95O-Ring for Super E & G Carburetors09350866- SKU:
- 09350866
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER:
- 0,218'
- RIDING STYLE:
- STREET
- STYLE:
- CUSTOM REPLACEMENT
- OUTSIDE DIAMETER IMPERIAL:
- 0.3438'
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.218'
- PRODUCT NAME:
- O-RING
- APPLICATION:
- ACCELERATOR PUMP CAP
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 0,3438'
MSRP: $6.95Now: $6.26Was: $6.95 -
On Sale
S&S CYCLE Nitrile O-Ring 50-8013
S&S CYCLE
MSRP: $6.95Now: $6.26Was: $6.95O-Ring for Super E & G Carburetors09350867- SKU:
- 09350867
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- STYLE:
- CUSTOM REPLACEMENT
- PRODUCT NAME:
- O-RING
- MATERIAL:
- NITRILE RUBBER
- OUTSIDE DIAMETER IMPERIAL:
- 2.187'
- UNITS:
- EACH
- APPLICATION:
- INTAKE MANIFOLD TO CARBURETOR
- INSIDE DIAMETER:
- 2,000'
- INSIDE DIAMETER IMPERIAL:
- 2.000'
- OUTSIDE DIAMETER:
- 2,187'
MSRP: $6.95Now: $6.26Was: $6.95 -
On Sale
S&S CYCLE Nitrile O-Ring 50-8016
S&S CYCLE
MSRP: $6.95Now: $6.26Was: $6.95O-Ring for Super E & G Carburetors09350868- SKU:
- 09350868
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER:
- 2,000'
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- STYLE:
- CUSTOM REPLACEMENT
- INSIDE DIAMETER IMPERIAL:
- 2.000'
- MATERIAL:
- NITRILE RUBBER
- OUTSIDE DIAMETER:
- 2,125'
- OUTSIDE DIAMETER IMPERIAL:
- 2.125'
- UNITS:
- EACH
MSRP: $6.95Now: $6.26Was: $6.95 -
On Sale
S&S CYCLE Viton O-Ring 50-8044
S&S CYCLE
MSRP: $6.95Now: $6.26Was: $6.95O-Ring for Super E & G Carburetors09350869- SKU:
- 09350869
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- STYLE:
- CUSTOM REPLACEMENT
- MATERIAL:
- VITON
- OUTSIDE DIAMETER:
- 1,875'
- PRODUCT NAME:
- O-RING
- INSIDE DIAMETER:
- 1,625'
- INSIDE DIAMETER IMPERIAL:
- 1.625'
- OUTSIDE DIAMETER IMPERIAL:
- 1.875'
- UNITS:
- EACH
MSRP: $6.95Now: $6.26Was: $6.95 -
On Sale
S&S CYCLE Silicone O-Ring 50-8095
S&S CYCLE
MSRP: $19.95Now: $17.96Was: $19.95O-Ring for Super E & G Carburetors09350870- SKU:
- 09350870
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- INSIDE DIAMETER:
- 0,390'
- OUTSIDE DIAMETER IMPERIAL:
- 0.510'
- UNITS:
- 10 PACK
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 0,510'
- PRODUCT NAME:
- O-RING
- INSIDE DIAMETER IMPERIAL:
- 0.390'
- RIDING STYLE:
- STREET
- STYLE:
- CUSTOM REPLACEMENT
MSRP: $19.95Now: $17.96Was: $19.95 -
On Sale
S&S CYCLE Valve Guide Seals - 8 pack 90-2158
S&S CYCLE
MSRP: $23.95Now: $21.56Was: $23.95High-quality replacement valve guide seals09351009- SKU:
- 09351009
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- FUEL VALVE
- PRODUCT NAME:
- SEAL
- UNITS:
- 8 PACK
- RIDING STYLE:
- STREET
MSRP: $23.95Now: $21.56Was: $23.95 -
On Sale
S&S CYCLE Viton O-Ring - 14 mm x 1.5 mm 500-0861
S&S CYCLE
MSRP: $14.95Now: $13.46Was: $14.95O-Ring for Super E & G Carburetors09351014- SKU:
- 09351014
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- STYLE:
- CUSTOM REPLACEMENT
- UNITS:
- 5 PACK
MSRP: $14.95Now: $13.46Was: $14.95 -
On Sale
S&S CYCLE E Manifold to Carburetor O-Ring 50-8094
S&S CYCLE
MSRP: $14.95Now: $13.46Was: $14.95Made in the U.S.A.DS289935- SKU:
- DS289935
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- INTAKE MANIFOLD TO CARBURETOR
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- UNITS:
- 10 PACK
MSRP: $14.95Now: $13.46Was: $14.95 -
JAMES GASKET Generator Gear End Oil Seal 30145-46-A
JAMES GASKET
$16.10Made in the U.S.A.DS194490- SKU:
- DS194490
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- GEAR END
- PRODUCT NAME:
- SEAL
- UNITS:
- 5 PACK
$16.10Qty in Cart: 0Quantity:Price:$16.10Subtotal: -
On Sale
COMETIC Valve Stem Seal - Viton C9836
COMETIC
Now: $35.00Was: $36.80High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle09340738- SKU:
- 09340738
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- UNITS:
- 25 PACK
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- MATERIAL:
- VITON
- TYPE:
- VALVE STEM
Now: $35.00Was: $36.80Qty in Cart: 0Quantity:Price:Now: $35.00Was: $36.80Subtotal: -
On Sale
COMETIC O-Ring C10208
COMETIC
Now: $8.00Was: $9.00Made in the U.S.A.09350997- SKU:
- 09350997
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- APPLICATION:
- CRANKCASE
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
Now: $8.00Was: $9.00Qty in Cart: 0Quantity:Price:Now: $8.00Was: $9.00Subtotal: -
COMETIC Starter O-Ring - Big Twin C9433F1
COMETIC
$5.00High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350850- SKU:
- 09350850
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- STARTER HOUSING
- UNITS:
- EACH
- MATERIAL:
- BUNA RUBBER
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
$5.00Qty in Cart: 0Quantity:Price:$5.00Subtotal: -
On Sale
COMETIC Line Sleeve Oil Seal C9365
COMETIC
Now: $7.00Was: $7.20Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350828- SKU:
- 09350828
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- APPLICATION:
- OIL LINE
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
Now: $7.00Was: $7.20Qty in Cart: 0Quantity:Price:Now: $7.00Was: $7.20Subtotal: -
COMETIC Clutch Gear Seal C9368-1
COMETIC
$6.00High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350831- SKU:
- 09350831
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- APPLICATION:
- CLUTCH GEAR
- MATERIAL:
- VITON
$6.00 -
COMETIC Clutch Hub Seal C9371-1
COMETIC
$7.00High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350834- SKU:
- 09350834
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- CLUTCH HUB
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
- INSIDE DIAMETER METRIC:
- 33 MM
- RIDING STYLE:
- STREET
- MATERIAL:
- VITON
- OUTSIDE DIAMETER METRIC:
- 47 MM
- THICKNESS METRIC:
- 7 MM
$7.00
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.
