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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On Sale
COMETIC Filler Plug O-Ring C9263
COMETIC
MSRP: $4.15Now: $4.00Was: $4.20Made in the U.S.A.09350191- SKU:
- 09350191
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- APPLICATION:
- FILLER PLUG
MSRP: $4.15Now: $4.00Was: $4.20 -
On Sale
COMETIC Clutch Cable O-Ring C9447
COMETIC
Now: $3.00Was: $3.20Made in the U.S.A.09350192- SKU:
- 09350192
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- VITON
- APPLICATION:
- CLUTCH CABLE
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- UNITS:
- 25 PACK
Now: $3.00Was: $3.20 -
On Sale
COMETIC Tappet Screw O-Ring C9448
COMETIC
MSRP: $4.15Now: $4.00Was: $4.20High-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.09350225- SKU:
- 09350225
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- APPLICATION:
- TAPPET GUIDE
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
MSRP: $4.15Now: $4.00Was: $4.20Qty in Cart: 0Quantity:Price:MSRP: $4.15Now: $4.00Was: $4.20Subtotal: -
On Sale
COMETIC Upper Tappet Block O-Ring C9443
COMETIC
Now: $8.00Was: $8.40High-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.09350226- SKU:
- 09350226
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- VITON
- APPLICATION:
- UPPER TAPPET BLOCK
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
Now: $8.00Was: $8.40 -
On Sale
COMETIC Lower Pushrod O-Ring C9295
COMETIC
Now: $13.00Was: $14.10High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials, Viton® gaskets feature a stainless steel core with a .001" -thick coating of Viton rubber on both sides, Made in the U.S.A.09350228- SKU:
- 09350228
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MATERIAL:
- NITRILE RUBBER
- UNITS:
- 10 PACK
- APPLICATION:
- PUSHROD COVER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
Now: $13.00Was: $14.10 -
COMETIC Tappet Pin Cover O-Ring C9296
COMETIC
$4.00High-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.09350229- SKU:
- 09350229
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- TAPPET COVER
- MATERIAL:
- NITRILE
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
$4.00 -
On Sale
COMETIC Point Cover Seal C9355
COMETIC
Now: $8.00Was: $8.20Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350230- SKU:
- 09350230
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- UNITS:
- 5 PACK
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- APPLICATION:
- CAM COVER
- PRODUCT NAME:
- SEAL
Now: $8.00Was: $8.20 -
On Sale
COMETIC Inspection Cover O-Ring C9439
COMETIC
Now: $6.00Was: $6.40High-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.09350232- SKU:
- 09350232
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- APPLICATION:
- CHAIN INSPECTION COVER
- UNITS:
- 10 PACK
- MATERIAL:
- NITRILE RUBBER
Now: $6.00Was: $6.40 -
On Sale
COMETIC Motor Sprocket Seal C9353
COMETIC
Now: $16.00Was: $17.20COMETIC Motor Sprocket Seal09350234- SKU:
- 09350234
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- STREET
- APPLICATION:
- MAIN CRANKSHAFT
- UNITS:
- 5 PACK
Now: $16.00Was: $17.20 -
On Sale
COMETIC Coolant Tube O-Ring Set C10139
COMETIC
MSRP: $31.45Now: $30.00Was: $31.45Contains all necessary O-rings and washers for cooling system, Must replace O-rings when removing cylinder head or servicing cooling system, Made in the U.S.A.09344838- SKU:
- 09344838
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- O-RING
- UNITS:
- KIT
- APPLICATION:
- COOLANT TUBE
- RIDING STYLE:
- STREET
MSRP: $31.45Now: $30.00Was: $31.45Qty in Cart: 0Quantity:Price:MSRP: $31.45Now: $30.00Was: $31.45Subtotal: -
On Sale
COMETIC O-Ring C9445
COMETIC
Now: $5.00Was: $5.30Made in the U.S.A.09344703- SKU:
- 09344703
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- OIL PUMP
- MATERIAL:
- NITRILE RUBBER
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
Now: $5.00Was: $5.30 -
COMETIC Valve Stem Seal - .625" C9998-1
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.09344726- SKU:
- 09344726
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- MATERIAL:
- VITON
- TYPE:
- VALVE STEM
- UNITS:
- EACH
$5.00 -
On Sale
COMETIC Shift Sleeve O-Ring C9484
COMETIC
Now: $9.00Was: $9.50High-quality products for long-term reliability, Manufactured from premium fuel-resistant materials that will not creep or become brittle, Made in the U.S.A.09341372- SKU:
- 09341372
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- UNITS:
- 25 PACK
- PRODUCT NAME:
- O-RING
- APPLICATION:
- SHIFTER LEVER
Now: $9.00Was: $9.50 -
On Sale
COMETIC Double Lip Seal C9350
COMETIC
Now: $14.00Was: $14.80Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle, Made in the U.S.A.09350171- SKU:
- 09350171
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- VITON
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
- APPLICATION:
- CAM COVER
- PRODUCT NAME:
- SEAL
Now: $14.00Was: $14.80Qty in Cart: 0Quantity:Price:Now: $14.00Was: $14.80Subtotal: -
On Sale
COMETIC O-Ring C10201
COMETIC
Now: $11.00Was: $11.90Made in the U.S.A.09350990- SKU:
- 09350990
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- O-RING
- APPLICATION:
- CYLINDER
- RIDING STYLE:
- ATV
- UNITS:
- 10 PACK
Now: $11.00Was: $11.90 -
On Sale
COMETIC Primary Seal Kit C10248
COMETIC
MSRP: $86.05Now: $81.00Was: $86.05Cometic's proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside, Gaskets have resistance to temperatures of more than 2500°F, Have an 85%...09351031- SKU:
- 09351031
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- AFM (ALUMINUM FOAM MATERIAL)
- PRODUCT NAME:
- SEAL
- UNITS:
- KIT
- TYPE:
- PRIMARY
MSRP: $86.05Now: $81.00Was: $86.05Qty in Cart: 0Quantity:Price:MSRP: $86.05Now: $81.00Was: $86.05Subtotal: -
On Sale
COMETIC Dip Stick O-Ring - Sportster C9961
COMETIC
Now: $3.00Was: $3.20High-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.09340740- SKU:
- 09340740
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- DIPSTICK
- MATERIAL:
- BUNA
- PRODUCT NAME:
- O-RING
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
Now: $3.00Was: $3.20Qty in Cart: 0Quantity:Price:Now: $3.00Was: $3.20Subtotal: -
On Sale
COMETIC Lower Pushrod Tube Seal C9461
COMETIC
Now: $7.00Was: $7.40High-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.09350259- SKU:
- 09350259
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- PUSHROD COVER
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- X-RING
- RIDING STYLE:
- STREET
- TYPE:
- QUAD SEAL
- UNITS:
- 10 PACK
Now: $7.00Was: $7.40 -
COMETIC Oil Pump Cover O-Ring C9684
COMETIC
$4.00High-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.09350260- SKU:
- 09350260
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- OIL PUMP
- UNITS:
- 10 PACK
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
$4.00Qty in Cart: 0Quantity:Price:$4.00Subtotal: -
On Sale
COMETIC Inner Primary Bearing Seal C9518
COMETIC
Now: $11.00Was: $11.60High-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.09350262- SKU:
- 09350262
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- INNER PRIMARY
- MATERIAL:
- VITON
- UNITS:
- 5 PACK
Now: $11.00Was: $11.60
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.
