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ATV/UTV Engine Seals - Orings and Kits

ATV/UTV Engine Seals - Orings and Kits

ATV/UTV Engine Seals - Orings and Kits

ATV/UTV Seals, O-Rings & Kits at JJ Motorsports

Keep your ATV/UTV engine leak-free with premium seal and O-ring kits from JJ Motorsports, featuring complete crankshaft and motor seal sets for reliable performance on Yamaha Raptor/Rhino 660, Honda Rancher 350, and more. These high-quality Moose Racing kits prevent oil loss and contamination in mud, trails, and dunes.

Shop Moose Racing seals for race-proven durability. Explore related categories such as ATV/UTV engine for gaskets and bearings, or ATV/UTV for suspension and brakes to complete your engine service and ride with total confidence across all conditions, from high-mileage utility work to aggressive off-road adventures.

Top ATV/UTV Seals, O-Rings & Kits

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
  • HOT RODS Seal Output Shaft OSK0042

    HOT RODS Seal Output Shaft OSK0042

    HOT RODS

    $38.95
    A leaking countershaft seal will compromise your transmission's integrity and lead to costly internal damage if left unaddressed. This complete HOT RODS repair kit eliminates the guesswork by bundling everything you need for a proper seal replacement in...
    09350554
    SKU:
    09350554
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    PRODUCT NAME:
    SEAL
    $38.95
    Qty in Cart: 0
    Quantity:
    Price:
    $38.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0043

    HOT RODS Seal Output Shaft OSK0043

    HOT RODS

    $13.95
    A leaking countershaft seal doesn't just waste oil—it compromises your transmission's reliability and can lead to costly damage if ignored. The HOT RODS Seal Output Shaft kit (OSK0043) gives you everything needed for a complete, professional-grade repair...
    09350555
    SKU:
    09350555
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    SEAL
    UNITS:
    KIT
    $13.95
    Qty in Cart: 0
    Quantity:
    Price:
    $13.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0046

    HOT RODS Seal Output Shaft OSK0046

    HOT RODS

    $35.95
    A leaking countershaft seal will compromise your transmission's integrity and leave you stranded at the track or on the road. The HOT RODS Seal Output Shaft kit delivers everything needed to stop the leak and restore proper operation—no piecing together...
    09350558
    SKU:
    09350558
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    $35.95
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • HOT RODS Seal Output Shaft OSK0047

    HOT RODS Seal Output Shaft OSK0047

    HOT RODS

    $38.95
    A leaking countershaft seal will compromise your transmission's integrity and lead to costly damage if left unaddressed. This complete repair kit eliminates the guesswork by bundling everything you need to restore a dry, functioning countershaft in one...
    09350559
    SKU:
    09350559
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    SEAL
    APPLICATION:
    COUNTERSHAFT
    APPLICATION:
    TRANSMISSION
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    $38.95
    Qty in Cart: 0
    Quantity:
    Price:
    $38.95
    Subtotal:
  • K&S TECHNOLOGIES Oil Seal Kit - Polaris 50-5003

    K&S TECHNOLOGIES Oil Seal Kit - Polaris 50-5003

    K&S TECHNOLOGIES

    $19.95
    Oil seal failure is one of the most common causes of premature engine damage in Polaris units, leading to fluid leakage, contamination, and catastrophic bearing wear. The K&S Technologies Oil Seal Kit (50-5003) restores your engine's integrity with...
    505003
    SKU:
    505003
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    PRODUCT NAME:
    SEAL KIT
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • K&S TECHNOLOGIES Oil Seal Kit - YFZ350 50-4002

    K&S TECHNOLOGIES Oil Seal Kit - YFZ350 50-4002

    K&S TECHNOLOGIES

    $71.95
    Oil seal degradation is one of the most common causes of fluid leakage and premature wear in high-performance engines. The K&S Technologies Oil Seal Kit for YFZ350 delivers direct OEM-equivalent replacement seals that restore proper fluid containment and...
    504002
    SKU:
    504002
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    PRODUCT NAME:
    SEAL KIT
    TYPE:
    OIL
    UNITS:
    KIT
    RIDING STYLE:
    ATV
    APPLICATION:
    ENGINE
    $71.95
    Qty in Cart: 0
    Quantity:
    Price:
    $71.95
    Subtotal:
  • MOOSE RACING Oil Seal Set - Polaris 822345

    MOOSE RACING Oil Seal Set - Polaris 822345

    MOOSE RACING

    $60.39
    Engine oil seals are critical wear items that prevent oil leakage and maintain proper lubrication throughout your engine's most demanding components. The MOOSE RACING Oil Seal Set delivers a complete solution with factory-quality seals engineered to...
    09351107
    SKU:
    09351107
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    PRODUCT NAME:
    SEAL KIT
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    $60.39
    Qty in Cart: 0
    Quantity:
    Price:
    $60.39
    Subtotal:
  • MOOSE RACING Oil Seal Set - Polaris 822189

    MOOSE RACING Oil Seal Set - Polaris 822189

    MOOSE RACING

    $57.82
    Engine seal degradation is inevitable—but catastrophic oil leakage doesn't have to be. This comprehensive MOOSE RACING Oil Seal Set replaces every critical seal in your Polaris engine, including crankshaft seals, ensuring a complete refresh and...
    09351104
    SKU:
    09351104
    Availability:
    Ships Same Business Day
    Weight:
    0.01 LBS
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    PRODUCT NAME:
    SEAL KIT
    $57.82
    Qty in Cart: 0
    Quantity:
    Price:
    $57.82
    Subtotal:
  • MOOSE RACING Oil Seal Set - Polaris 822188

    MOOSE RACING Oil Seal Set - Polaris 822188

    MOOSE RACING

    $57.82
    Engine seal degradation is one of the most common causes of oil leakage and contamination in high-performance applications. The MOOSE RACING Oil Seal Set eliminates guesswork by providing a complete, factory-engineered solution for comprehensive...
    09351103
    SKU:
    09351103
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    ATV
    APPLICATION:
    ENGINE
    TYPE:
    OIL
    PRODUCT NAME:
    SEAL KIT
    UNITS:
    KIT
    $57.82
    Qty in Cart: 0
    Quantity:
    Price:
    $57.82
    Subtotal:
  • MOOSE UTILITY Clutch Cover Gasket Seal 100-4540-PU

    MOOSE UTILITY Clutch Cover Gasket Seal 100-4540-PU

    MOOSE UTILITY

    $19.95
    A reliable clutch cover gasket seal is essential for maintaining proper engine sealing and preventing oil leakage at the clutch cover interface. Without a quality seal, you risk compromised compression, contaminated clutch plates, and potential engine...
    09351191
    SKU:
    09351191
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    CLUTCH COVER
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    SEAL
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • EPI Differential Seal Kit - Front WE290106

    EPI Differential Seal Kit - Front WE290106

    EPI

    $29.99
    Differential seal degradation leads to oil leakage, contamination, and accelerated bearing wear—all of which compromise drivetrain reliability and performance. The EPI Differential Seal Kit WE290106 supplies OEM-quality replacement seals engineered to...
    09351038
    SKU:
    09351038
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    SEAL KIT
    TYPE:
    DIFFERENTIAL
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    $29.99
    Qty in Cart: 0
    Quantity:
    Price:
    $29.99
    Subtotal:
  • EPI Differential Seal Kit - Rear WE290108

    EPI Differential Seal Kit - Rear WE290108

    EPI

    $29.99
    Differential seal failure leads to oil leakage, metal-on-metal contact, and catastrophic gear damage—exactly what you can't afford during competition or heavy use. The EPI Differential Seal Kit WE290108 gives you a complete rebuild solution with premium...
    09351039
    SKU:
    09351039
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    SEAL KIT
    TYPE:
    DIFFERENTIAL
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    $29.99
    Qty in Cart: 0
    Quantity:
    Price:
    $29.99
    Subtotal:
  • EPI Differential Seal Kit - Rear WE290107

    EPI Differential Seal Kit - Rear WE290107

    EPI

    $29.99
    Differential seals are critical wear items that directly impact your differential's longevity and performance. Worn or degraded seals allow oil to escape, leading to inadequate lubrication, metal-to-metal contact, and eventual gear failure—a costly...
    09351040
    SKU:
    09351040
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SEAL KIT
    UNITS:
    KIT
    TYPE:
    DIFFERENTIAL
    Qty in Cart: 0
    Quantity:
    Price:
    $29.99
    Subtotal:
  • EPI Differential Seal Kit - Rear WE290115

    EPI Differential Seal Kit - Rear WE290115

    EPI

    $19.99
    Differential seal degradation is one of the most common causes of fluid leaks and premature wear in both street and track vehicles. The EPI Differential Seal Kit WE290115 gives you a complete, factory-quality rebuild solution with OEM-grade NBR seals...
    09351041
    SKU:
    09351041
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    SEAL KIT
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    TYPE:
    DIFFERENTIAL
    $19.99
    Qty in Cart: 0
    Quantity:
    Price:
    $19.99
    Subtotal:
  •  MOOSE OFFROAD Clutch Cover Gasket Seal - Polaris 100-4077-PU  MOOSE OFFROAD Clutch Cover Gasket Seal - Polaris 100-4077-PU

    MOOSE OFFROAD Clutch Cover Gasket Seal - Polaris 100-4077-PU

    MOOSE OFFROAD

    $19.95
    A failed clutch cover gasket seal compromises your Polaris's reliability and invites oil seepage that accelerates wear on internal components. This OE-quality replacement restores a proper seal, preventing fluid loss and maintaining consistent clutch...
    09351190
    SKU:
    09351190
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  •  MOOSE OFFROAD Differential Seal Kit - Kawasaki - Front 25-2120-5

    MOOSE OFFROAD Differential Seal Kit - Kawasaki - Front 25-2120-5

    MOOSE OFFROAD

    $42.95
    Differential seal failure compromises drivetrain integrity and invites contamination that accelerates bearing wear. This complete seal kit restores proper sealing surfaces and eliminates fluid leakage, protecting your differential's internal components...
    09351206
    SKU:
    09351206
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    $42.95
    Qty in Cart: 0
    Quantity:
    Price:
    $42.95
    Subtotal:
  • MOOSE RACING Transaxle Seal Kit - Polaris 25-2114-5

    MOOSE RACING Transaxle Seal Kit - Polaris 25-2114-5

    MOOSE RACING

    $70.95
    Oil seeps from your Polaris transaxle don't just cost you fluid—they signal worn seals that, left unaddressed, can lead to inadequate lubrication and catastrophic drivetrain failure. This MOOSE RACING Transaxle Seal Kit delivers all the OEM-specification...
    09351287
    SKU:
    09351287
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $70.95
    Subtotal:
  • MOOSE RACING Differential Seal Kit - Honda - Rear 25-2138-5

    MOOSE RACING Differential Seal Kit - Honda - Rear 25-2138-5

    MOOSE RACING

    $22.95
    A leaking differential is a reliability killer that compromises gear protection and can lead to catastrophic drivetrain failure. This complete seal kit from MOOSE Racing gives you everything needed to restore your Honda's rear differential to...
    09351291
    SKU:
    09351291
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • MOOSE UTILITY Clutch Cover Gasket Seal 100-3014-PU

    MOOSE UTILITY Clutch Cover Gasket Seal 100-3014-PU

    MOOSE UTILITY

    $17.95
    A worn or damaged clutch cover gasket seal is a common source of oil seepage that compromises engine cleanliness and can lead to costly internal damage. The MOOSE UTILITY Clutch Cover Gasket Seal 100-3014-PU delivers a factory-spec replacement that...
    09351189
    SKU:
    09351189
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    RIDING STYLE:
    UTV
    APPLICATION:
    CLUTCH COVER
    PRODUCT NAME:
    SEAL
    UNITS:
    EACH
    $17.95
    Qty in Cart: 0
    Quantity:
    Price:
    $17.95
    Subtotal:
  • MOOSE UTILITY Clutch Cover Gasket Seal 500-1265-PU

    MOOSE UTILITY Clutch Cover Gasket Seal 500-1265-PU

    MOOSE UTILITY

    $24.95
    A failed clutch cover gasket seal means oil leakage, compromised engine performance, and potential damage to critical drivetrain components. The MOOSE UTILITY Clutch Cover Gasket Seal 500-1265-PU provides a reliable, OEM-quality replacement that restores...
    09351194
    SKU:
    09351194
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    RIDING STYLE:
    UTV
    APPLICATION:
    CLUTCH COVER
    PRODUCT NAME:
    SEAL
    UNITS:
    EACH
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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