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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COMETIC Filler Plug O-Ring C9263
COMETIC
$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
$4.20 -
COMETIC Clutch Cable O-Ring C9447
COMETIC
$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
$3.20 -
COMETIC Tappet Screw O-Ring C9448
COMETIC
$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:
- 0.10 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- O-RING
- APPLICATION:
- TAPPET GUIDE
- RIDING STYLE:
- STREET
- UNITS:
- 10 PACK
$4.20 -
COMETIC Upper Tappet Block O-Ring C9443
COMETIC
$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:
- 0.10 LBS
- MATERIAL:
- VITON
- APPLICATION:
- UPPER TAPPET BLOCK
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
$8.40 -
COMETIC Lower Pushrod O-Ring C9295
COMETIC
$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:
- 0.10 LBS
- MATERIAL:
- NITRILE RUBBER
- UNITS:
- 10 PACK
- APPLICATION:
- PUSHROD COVER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
$14.10 -
COMETIC Tappet Pin Cover O-Ring C9296
COMETIC
$3.95High-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:
- 0.10 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- TAPPET COVER
- MATERIAL:
- NITRILE
- UNITS:
- 10 PACK
- PRODUCT NAME:
- O-RING
$3.95 -
COMETIC Point Cover Seal C9355
COMETIC
$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:
- 0.13 LBS
- UNITS:
- 5 PACK
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- APPLICATION:
- CAM COVER
- PRODUCT NAME:
- SEAL
$8.20 -
COMETIC Inspection Cover O-Ring C9439
COMETIC
$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:
- 0.10 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- O-RING
- APPLICATION:
- CHAIN INSPECTION COVER
- UNITS:
- 10 PACK
- MATERIAL:
- NITRILE RUBBER
$6.40 -
COMETIC Motor Sprocket Seal C9353
COMETIC
$17.20COMETIC Motor Sprocket Seal09350234- SKU:
- 09350234
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- STREET
- APPLICATION:
- MAIN CRANKSHAFT
- UNITS:
- 5 PACK
$17.20 -
COMETIC Coolant Tube O-Ring Set C10139
COMETIC
$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
$31.45 -
COMETIC O-Ring C9445
COMETIC
$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
$5.30 -
COMETIC Valve Stem Seal - .625" C9998-1
COMETIC
$4.95High-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:
- 0.15 LBS
- PRODUCT NAME:
- SEAL
- RIDING STYLE:
- STREET
- MATERIAL:
- VITON
- TYPE:
- VALVE STEM
- UNITS:
- EACH
$4.95 -
COMETIC Shift Sleeve O-Ring C9484
COMETIC
$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
$9.50 -
COMETIC Double Lip Seal C9350
COMETIC
$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
$14.80 -
COMETIC O-Ring C10201
COMETIC
$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
$11.90 -
COMETIC Primary Seal Kit C10248
COMETIC
$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
$86.05 -
COMETIC Dip Stick O-Ring - Sportster C9961
COMETIC
$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:
- 0.01 LBS
- APPLICATION:
- DIPSTICK
- MATERIAL:
- BUNA
- PRODUCT NAME:
- O-RING
- UNITS:
- 5 PACK
- RIDING STYLE:
- STREET
$3.20 -
COMETIC Lower Pushrod Tube Seal C9461
COMETIC
$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
$7.40 -
COMETIC Oil Pump Cover O-Ring C9684
COMETIC
$3.95High-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
$3.95 -
COMETIC Inner Primary Bearing Seal C9518
COMETIC
$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:
- 0.20 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL
- APPLICATION:
- INNER PRIMARY
- MATERIAL:
- VITON
- UNITS:
- 5 PACK
$11.60
