ATV/UTV Gaskets and Kits
ATV/UTV Gaskets & Kits at JJ Motorsports
Rebuild your ATV/UTV engine leak-free with premium gasket kits from JJ Motorsports, featuring complete motor sets, top-end kits, and oil seals for reliable sealing on Honda TRX400EX, Suzuki FL250, and more. These high-quality kits ensure perfect fit and long-lasting performance in off-road and racing conditions.
Shop Moose Racing, Vesrah, and Cometic gasket kits for race-proven durability. Explore related categories such as ATV/UTV engine for pistons and cylinders, or ATV/UTV for cams and exhaust to complete your engine rebuild and ride with total confidence across all conditions, from high-speed dunes to technical trails.
Top ATV/UTV Gaskets & Kits
- Moose Racing Motor Gasket Kit with Seal TRX400EX 811829 – Complete motor gasket set with seals; fits Honda TRX400EX for full engine rebuilds.
- Vesrah Complete Gasket Kit FL-250 VG-1029 – Full engine gasket kit for Suzuki FL250 Odyssey; OEM-quality for vintage 2-stroke rebuilds.
- Cometic Top End Gasket Set Honda C3475-EST – MLS head and base gaskets; high-performance top-end kit for Honda sport quads.
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
ATHENA Complete Gasket Kit - Suzuki P400510850401
ATHENA
MSRP: $233.95Now: $211.00Was: $233.95A complete gasket kit is essential when rebuilding any engine—even one small leak can compromise compression and force you back into the shop. The ATHENA Complete Gasket Kit delivers the precision sealing required for professional-grade engine work, with...09341965- SKU:
- 09341965
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- TYPE:
- COMPLETE
- ENGINE TYPE:
- -
- UNITS:
- KIT
MSRP: $233.95Now: $211.00Was: $233.95 -
On Sale
ATHENA Complete Gasket Kit - Kawasaki P400250850018
ATHENA
MSRP: $74.95Now: $67.00Was: $74.95A complete gasket kit is essential for any top-end or full engine rebuild, as failed gaskets lead to compression loss, oil leakage, and catastrophic engine damage. The ATHENA P400250850018 delivers the reliability you need with precision engineering and...09341963- SKU:
- 09341963
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- PRODUCT NAME:
- GASKET KIT
- ENGINE TYPE:
- -
- TYPE:
- COMPLETE
- UNITS:
- KIT
- RIDING STYLE:
- ATV
MSRP: $74.95Now: $67.00Was: $74.95 -
On Sale
ATHENA Complete Gasket Kit - Kawasaki P400250850017
ATHENA
MSRP: $70.95Now: $64.00Was: $70.95Engine gasket integrity is critical for maintaining compression, preventing coolant and oil cross-contamination, and ensuring reliable performance under high heat and boost conditions. The ATHENA Complete Gasket Kit delivers OEM-quality sealing across...09341962- SKU:
- 09341962
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- ENGINE TYPE:
- -
- TYPE:
- COMPLETE
- UNITS:
- KIT
MSRP: $70.95Now: $64.00Was: $70.95 -
On Sale
ATHENA Top End Gasket Kit - Kawasaki P400250600018
ATHENA
MSRP: $49.95Now: $45.00Was: $49.95When you're prepping for race day, a fresh top end is non-negotiable—and the ATHENA Top End Gasket Kit ensures you're sealing every cylinder with precision-engineered components. This kit gives you the flexibility to run either standard fuel with stock...09341959- SKU:
- 09341959
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- TYPE:
- TOP END
- RIDING STYLE:
- ATV
- MATERIAL:
- RUBBER
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
MSRP: $49.95Now: $45.00Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $45.00Was: $49.95Subtotal: -
On Sale
ATHENA Top End Gasket Kit - Kawasaki P400250600017
ATHENA
MSRP: $40.95Now: $37.00Was: $40.95Engine gasket degradation is inevitable, but the timing of a rebuild doesn't have to derail your season. The ATHENA Top End Gasket Kit delivers OEM-quality sealing for mid-season freshening or pre-race preparation, letting you maintain peak compression...09341958- SKU:
- 09341958
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- TOP END
- MATERIAL:
- RUBBER
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- GASKET KIT
MSRP: $40.95Now: $37.00Was: $40.95 -
COMETIC Gasket Set - 94 mm - Kawasaki C7979-EST
COMETIC
$77.95High-output 4-stroke engines demand gasket sets engineered for extreme cylinder pressures and sustained heat cycles. COMETIC's EST technology delivers the sealing reliability and thermal management needed to maintain peak performance while eliminating...09340938- SKU:
- 09340938
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- BORE SIZE METRIC:
- 94.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
$77.95 -
COMETIC Gasket Set - 94 mm - Honda C7877-EST
COMETIC
$88.95High-output 4-stroke engines demand gasket materials engineered to withstand extreme cylinder pressures and heat cycles without compromise. The Cometic C7877-EST delivers the sealing integrity your 94 mm top end needs, whether you're running naturally...09340899- SKU:
- 09340899
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 94.00 MM
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$88.95 -
COMETIC Gasket Set - 89 mm - Honda C7826-EST
COMETIC
$98.95If you're running a high-output 4-stroke engine—whether naturally aspirated or forced induction—gasket failure is a real risk when cylinder pressures climb. The COMETIC C7826-EST addresses this head-on with multi-layered steel construction and advanced...09340898- SKU:
- 09340898
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- UNITS:
- KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 89.00 MM
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
$98.95 -
COMETIC Gasket Set - TRX350 C7402
COMETIC
$45.95A quality gasket set is foundational to engine reliability, especially when you're pushing higher horsepower or boost levels on your TRX350. The COMETIC C7402 uses multi-layered steel construction with Viton coating to handle elevated cylinder pressures...09340273- SKU:
- 09340273
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- THICKNESS METRIC:
- 0.31 MM
- TYPE:
- TOP END
- THICKNESS IMPERIAL:
- 0,012'
- BORE SIZE METRIC:
- 82.00 MM
- UNITS:
- KIT
$45.95Qty in Cart: 0Quantity:Price:$45.95Subtotal: -
COMETIC Bottom End Gasket Set - Yamaha C3338
COMETIC
$71.95A complete bottom end gasket kit is essential when rebuilding your engine—using OEM-engineered seals and gaskets ensures proper oil containment, prevents coolant leaks, and maintains critical pressure ratings that cheaper alternatives simply cannot...09344148- SKU:
- 09344148
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- TYPE:
- BOTTOM END
- UNITS:
- KIT
$71.95 -
COMETIC Bottom End Gasket Set - Yamaha C3339
COMETIC
$49.95A complete bottom end gasket set is essential when rebuilding your engine—using OEM-equivalent seals and gaskets ensures proper compression, prevents oil leakage, and maintains coolant integrity throughout your engine block. COMETIC's C3339 kit includes...09344149- SKU:
- 09344149
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- TYPE:
- BOTTOM END
- UNITS:
- KIT
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
COMETIC Bottom End Gasket Set - Yamaha C3419
COMETIC
$55.95A proper bottom end gasket set is non-negotiable when you're doing serious engine work—it's the difference between a rebuild that holds and one that weeps oil or coolant. COMETIC's C3419 kit gives you all the seals, O-rings, and gaskets engineered...09344159- SKU:
- 09344159
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MODEL:
- HI-PERFORMANCE
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- BOTTOM END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$55.95Qty in Cart: 0Quantity:Price:$55.95Subtotal: -
COMETIC Top End Gasket Set - Polaris C3446-EST
COMETIC
$105.95A quality top-end gasket set is non-negotiable for any engine rebuild or high-output build—poor sealing directly costs you power and reliability. The COMETIC C3446-EST uses multi-layered steel construction with Viton rubber coating to handle extreme...09344166- SKU:
- 09344166
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- GASKET KIT
- THICKNESS IMPERIAL:
- 0,014'
- THICKNESS METRIC:
- 0.46 MM
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 93.50 MM
- TYPE:
- TOP END
- THICKNESS IMPERIAL:
- 0,018'
- THICKNESS METRIC:
- 0.36 MM
- UNITS:
- KIT
$105.95 -
MOOSE RACING Top End Gasket Kit - Polaris 810969
MOOSE RACING
$95.95A quality top-end rebuild starts with the right gasket set. The MOOSE RACING Top End Gasket Kit delivers OEM-equivalent sealing performance at a fraction of the cost, eliminating the guesswork and ensuring your engine performs reliably whether you're...09344832- SKU:
- 09344832
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- UTV
$95.95 -
PROX Water Pump Rebuild Kit - Honda 57.1316
PROX
$62.95A failing water pump compromises cooling efficiency and risks catastrophic engine damage—especially under racing conditions or sustained high-performance driving. The PROX Water Pump Rebuild Kit gives you OEM-quality replacement internals at a fraction...09346988- SKU:
- 09346988
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- REPAIR KIT
$62.95 -
PROX Water Pump Rebuild Kit - Honda 57.1424
PROX
$67.95A failing water pump is a silent threat to engine longevity—seal degradation and bearing wear go unnoticed until catastrophic failure strikes. The PROX Water Pump Rebuild Kit gives you a cost-effective alternative to full replacement, restoring proper...09346994- SKU:
- 09346994
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$67.95 -
PROX Water Pump Rebuild Kit - Honda 57.1426
PROX
$62.95A failing water pump can silently compromise your engine's thermal management, leading to overheating and catastrophic damage during high-performance driving or extended track sessions. The PROX Water Pump Rebuild Kit gives you a cost-effective...09346996- SKU:
- 09346996
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$62.95 -
PROX Water Pump Rebuild Kit - Honda 57.1427
PROX
$41.95A failing water pump compromises engine cooling efficiency and risks catastrophic overheating—especially critical in high-performance applications where sustained heat loads are severe. The PROX Water Pump Rebuild Kit restores OEM cooling capacity with...09346997- SKU:
- 09346997
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
$41.95 -
PROX Water Pump Rebuild Kit - Honda 57.1525
PROX
$37.84A failing water pump is a silent killer that can leave you stranded mid-race or roadside. The PROX Water Pump Rebuild Kit gives you a cost-effective way to restore your Honda's cooling system to factory specifications without replacing the entire...09347001- SKU:
- 09347001
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- WATER PUMP
- PRODUCT NAME:
- REPAIR KIT
$37.84 -
PROX Water Pump Rebuild Kit - Honda 57.1623
PROX
$154.95A failing water pump compromises your Honda's thermal management, risking catastrophic engine damage and costly downtime. The PROX 57.1623 rebuild kit restores your pump to OEM specifications with precision-engineered components, eliminating the need for...09347002- SKU:
- 09347002
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- WATER PUMP
$154.95