Snowmobile Gaskets and Kits
Snowmobile Engine Gaskets & Kits at JJ Motorsports
Rebuild your snowmobile's engine with premium gaskets and kits from JJ Motorsports. Our selection includes complete gasket sets designed for unmatched reliability, exact OEM replacement, and high-performance sealing in extreme winter conditions. Compatible with Sachs, JLO, Hirth, CCW, Kohler, Xenoah, and more for Arctic Cat, Polaris, Ski-Doo, Yamaha models, these kits feature coated stainless steel head gaskets, high-chromium oil seals for corrosion resistance, and all necessary components like head, base, intake, exhaust gaskets, O-rings, crankshaft seals, and power valve gaskets. Ideal for professional overhauls or maintenance on trail sleds, mountain climbers, or utility machines, they ensure leak-free performance and easy installation for DIY mechanics or shops.
Shop trusted brands like Winderosa for high-tech gasket solutions. Explore related categories such as snowmobile piston and ring kits for rebuilds or snowmobile piston rings for specific replacements.
Top Snowmobile Engine Gaskets & Kits Products
- WINDEROSA Complete Gasket Set 711063C – Comprehensive set with all head, base, intake, exhaust gaskets, O-rings, oil seals, crankshaft end seals, and power valve gaskets; made in the U.S.A. for Sachs, JLO, Hirth, CCW, Kohler, and Xenoah engines.
- WINDEROSA Complete Gasket Set 711084A – High-tech materials for reliability, includes coated stainless steel head gaskets and high-performance oil seals; fits most current and non-current engines like Sachs and Kohler.
- WINDEROSA Complete Gasket Set 711010 – Complete rebuild kit with all necessary gaskets and seals for professional engine overhauls; designed for unmatched performance in demanding power plants.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
PROX Gasket Kit with Oil Seals - Polaris 800 34.5609
PROX
MSRP: $104.95Now: $89.00Was: $104.95Engine gaskets and oil seals are critical wear items that directly impact engine reliability and longevity. A compromised gasket or worn seal can lead to oil leakage, combustion chamber contamination, and catastrophic engine failure. The PROX Gasket Kit...09346598- SKU:
- 09346598
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- SNOW
- FEATURES:
- INCLUDES OIL SEAL
- UNITS:
- KIT
- TYPE:
- ENGINE
MSRP: $104.95Now: $89.00Was: $104.95 -
On Sale
PROX Gasket Kit with Oil Seals - Polaris 600 HO IQ 34.5610
PROX
MSRP: $64.95Now: $55.00Was: $64.95Engine seals and gaskets are critical wear items that directly impact engine longevity and reliability. A degraded gasket kit leads to oil leakage, compression loss, and potential catastrophic engine failure—especially in high-performance applications...09346599- SKU:
- 09346599
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- SNOW
- TYPE:
- ENGINE
- FEATURES:
- INCLUDES OIL SEAL
- UNITS:
- KIT
MSRP: $64.95Now: $55.00Was: $64.95 -
On Sale
PROX Gasket Kit with Oil Seals - Ski Doo 600 ETEC 34.5613
PROX
MSRP: $119.95Now: $102.00Was: $119.95Engine gaskets and oil seals are critical wear items that directly impact engine reliability, oil containment, and combustion efficiency. A failed gasket or seal can lead to oil leaks, contamination, and catastrophic engine damage—especially in...09346600- SKU:
- 09346600
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- RIDING STYLE:
- SNOW
- FEATURES:
- INCLUDES OIL SEAL
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- TYPE:
- ENGINE
MSRP: $119.95Now: $102.00Was: $119.95Qty in Cart: 0Quantity:Price:MSRP: $119.95Now: $102.00Was: $119.95Subtotal: -
On Sale
PROX Gasket Kit with Oil Seals - Ski Doo 800 34.5800
PROX
MSRP: $114.95Now: $98.00Was: $114.95Engine gasket and oil seal degradation is one of the fastest ways to compromise engine integrity and performance on your Ski-Doo 800. This PROX gasket kit provides complete sealing coverage with OEM-equivalent materials, preventing oil leakage and...09346601- SKU:
- 09346601
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- SNOW
- TYPE:
- ENGINE
- FEATURES:
- INCLUDES OIL SEAL
- UNITS:
- KIT
MSRP: $114.95Now: $98.00Was: $114.95Qty in Cart: 0Quantity:Price:MSRP: $114.95Now: $98.00Was: $114.95Subtotal: -
On Sale
PROX Gasket Set with Oil Seal - SeaDoo 800 34.5808
PROX
MSRP: $129.95Now: $110.00Was: $129.95A worn or damaged gasket set can silently compromise your SeaDoo 800's reliability, leading to oil leaks, increased blow-by, and potential engine damage. This OEM-equivalent PROX gasket set with integrated oil seal ensures a complete, factory-level seal...09346602- SKU:
- 09346602
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- UNITS:
- KIT
- FEATURES:
- INCLUDES OIL SEAL
- RIDING STYLE:
- SNOW
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
MSRP: $129.95Now: $110.00Was: $129.95Qty in Cart: 0Quantity:Price:MSRP: $129.95Now: $110.00Was: $129.95Subtotal: -
On Sale
PROX Gasket Kit with Oil Seals - Polaris 800 34.5812
PROX
MSRP: $114.95Now: $98.00Was: $114.95A properly sealed engine is the foundation of reliable performance. This PROX gasket and oil seal kit eliminates leaks that compromise engine efficiency and longevity, ensuring your Polaris 800 maintains consistent power delivery and protection. Whether...09346604- SKU:
- 09346604
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- UNITS:
- KIT
- FEATURES:
- INCLUDES OIL SEAL
- TYPE:
- ENGINE
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET
MSRP: $114.95Now: $98.00Was: $114.95Qty in Cart: 0Quantity:Price:MSRP: $114.95Now: $98.00Was: $114.95Subtotal: -
On Sale
PROX Gasket Kit with Oil Seals - Polaris 800 34.5813
PROX
MSRP: $119.95Now: $102.00Was: $119.95A compromised gasket or worn oil seal can lead to catastrophic engine failure—leaks that go unnoticed become expensive problems fast. The PROX Gasket Kit with Oil Seals for Polaris 800 engines delivers OEM-quality sealing without the dealership markup,...09346605- SKU:
- 09346605
- Availability:
- Ships Same Business Day
- Weight:
- 0.61 LBS
- UNITS:
- KIT
- FEATURES:
- INCLUDES OIL SEAL
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Gasket Kit with Oil Seals - Ski Doo 800 ETEC 34.5818
PROX
MSRP: $134.95Now: $115.00Was: $134.95Engine seals and gaskets deteriorate under extreme operating temperatures and pressure cycles, leading to oil leakage, performance loss, and catastrophic engine failure. The PROX Gasket Kit with Oil Seals restores critical compression and containment in...09346606- SKU:
- 09346606
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- SNOW
- FEATURES:
- INCLUDES OIL SEAL
- UNITS:
- KIT
MSRP: $134.95Now: $115.00Was: $134.95Qty in Cart: 0Quantity:Price:MSRP: $134.95Now: $115.00Was: $134.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Venture Phazer 35.2599
PROX
MSRP: $29.95Now: $25.00Was: $29.95A quality top-end gasket kit is essential for maintaining a reliable seal in your Venture Phazer's combustion chamber, preventing coolant and oil leaks that compromise engine performance and longevity. PROX's gasket kit delivers OEM-equivalent precision...09346610- SKU:
- 09346610
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $29.95Now: $25.00Was: $29.95 -
On Sale
PROX Top End Gasket Kit - V-MAX 600 35.2694
PROX
MSRP: $59.95Now: $51.00Was: $59.95A top-end gasket kit is essential maintenance for any V-MAX 600 engine that's seen regular use or modifications. Worn gaskets lead to compression loss, oil seepage, and potential catastrophic engine damage—replacing them proactively preserves reliability...09346611- SKU:
- 09346611
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $59.95Now: $51.00Was: $59.95Qty in Cart: 0Quantity:Price:MSRP: $59.95Now: $51.00Was: $59.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Ski Doo 500 MXZ/LGD 35.5400
PROX
MSRP: $49.95Now: $42.00Was: $49.95A top-end gasket kit is essential maintenance for your Ski-Doo 500 MXZ/LGD, preventing coolant and oil leaks that can compromise engine performance and reliability. Over time, gaskets degrade from thermal cycling and pressure, making a quality...09346613- SKU:
- 09346613
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $49.95Now: $42.00Was: $49.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo MXZ/GSX 35.5503
PROX
MSRP: $49.95Now: $42.00Was: $49.95A compromised top end gasket kit leads to coolant leaks, combustion blow-by, and catastrophic engine failure—especially in high-demand snowmobile applications where thermal cycling is relentless. The PROX Top End Gasket Kit for Ski-Doo MXZ/GSX engines...09346615- SKU:
- 09346615
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- RIDING STYLE:
- SNOW
MSRP: $49.95Now: $42.00Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $42.00Was: $49.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris Indy 488FC 35.5586
PROX
MSRP: $34.95Now: $30.00Was: $34.95A top-end gasket kit is essential for maintaining proper compression and preventing coolant or oil seepage in your engine. Whether you're rebuilding after a season of racing or performing routine maintenance, the PROX Top End Gasket Kit ensures reliable...09346616- SKU:
- 09346616
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
MSRP: $34.95Now: $30.00Was: $34.95Qty in Cart: 0Quantity:Price:MSRP: $34.95Now: $30.00Was: $34.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris Indy 500LC 35.5587
PROX
MSRP: $64.95Now: $55.00Was: $64.95A top-end gasket kit is essential maintenance for keeping your Polaris Indy 500LC running at peak efficiency. Over time, gaskets degrade from heat cycles and pressure, leading to compression loss and potential coolant or oil seepage. This PROX kit...09346617- SKU:
- 09346617
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
MSRP: $64.95Now: $55.00Was: $64.95Qty in Cart: 0Quantity:Price:MSRP: $64.95Now: $55.00Was: $64.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 500 35.5588
PROX
MSRP: $49.95Now: $42.00Was: $49.95A worn or failed top end gasket kit compromises cylinder seal integrity, leading to compression loss, oil leakage, and potential engine damage. The PROX Top End Gasket Kit for Polaris 500 delivers OEM-equivalent sealing performance with...09346618- SKU:
- 09346618
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $49.95Now: $42.00Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $42.00Was: $49.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Ski Doo 500 35.5595
PROX
MSRP: $29.95Now: $25.00Was: $29.95A top-end gasket kit is essential maintenance for any Ski-Doo 500 engine experiencing compression loss, coolant seepage, or oil leakage around the cylinder head. PROX gasket sets are engineered to OEM specifications, ensuring reliable sealing and...09346622- SKU:
- 09346622
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $29.95Now: $25.00Was: $29.95Qty in Cart: 0Quantity:Price:MSRP: $29.95Now: $25.00Was: $29.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Ski Doo 600 35.5600
PROX
MSRP: $59.95Now: $51.00Was: $59.95A top-end gasket kit is essential maintenance for any high-performance snowmobile engine—it's your first line of defense against compression loss, coolant seepage, and catastrophic engine failure. Whether you're running stock power or pushing forced...09346625- SKU:
- 09346625
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
MSRP: $59.95Now: $51.00Was: $59.95Qty in Cart: 0Quantity:Price:MSRP: $59.95Now: $51.00Was: $59.95Subtotal: -
On Sale
PROX Top End Gasket Kit - Polaris 600 35.5604
PROX
MSRP: $74.95Now: $64.00Was: $74.95A failed top end gasket can compromise your Polaris 600's compression, allowing coolant and oil to leak where they shouldn't be. This PROX gasket kit restores a complete seal across your cylinder head, ensuring reliable performance whether you're pushing...09346629- SKU:
- 09346629
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- GASKET SET
- TYPE:
- TOP END
- UNITS:
- SET
- RIDING STYLE:
- SNOW
MSRP: $74.95Now: $64.00Was: $74.95 -
On Sale
PROX Top End Gasket Kit - Ski Doo 600 HO ETEC 35.5613
PROX
MSRP: $64.95Now: $55.00Was: $64.95A top-end gasket kit is essential maintenance for any Ski-Doo 600 HO ETEC engine running at peak performance. Over time, thermal cycling and combustion pressures degrade factory gaskets, leading to compression loss, oil seepage, and potential...09346631- SKU:
- 09346631
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
MSRP: $64.95Now: $55.00Was: $64.95 -
On Sale
PROX Top End Gasket Kit - Arctic Cat EXT/ZRT 600 35.5696
PROX
MSRP: $74.95Now: $64.00Was: $74.95A top-end gasket failure can compromise your engine's reliability and performance, leading to costly downtime. The PROX Top End Gasket Kit for Arctic Cat EXT/ZRT 600 delivers OEM-equivalent sealing with precision-engineered gaskets designed to withstand...09346635- SKU:
- 09346635
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- RIDING STYLE:
- SNOW
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET SET
MSRP: $74.95Now: $64.00Was: $74.95Qty in Cart: 0Quantity:Price:MSRP: $74.95Now: $64.00Was: $74.95Subtotal:
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Snowmobile Engine Gaskets and Kits
- Compatibility: Ensure the kit fits your snowmobile's make (e.g., Arctic Cat, Polaris, Ski-Doo, Yamaha, John Deere) and engine type (e.g., Sachs, JLO, Hirth, CCW, Kohler, Xenoah). Use the vehicle selector for model-specific matches, covering current and non-current engines to avoid leaks or fit issues.
- Type of Use: For high-performance mountain or trail riding, select complete sets with oil seals for extreme conditions; utility or maintenance sleds benefit from top-end kits for reliable sealing and overhauls in standard winter use.
- Components and Upgrades: Choose complete gasket sets (head, base, intake, exhaust, O-rings, crankshaft seals, power valve gaskets) or top-end kits. Focus on features like coated stainless steel head gaskets, high-chromium oil seals for corrosion resistance, and high-tech materials for superior sealing.
- Brand and Quality: Primarily Winderosa for high-tech, U.S.A.-made kits with unmatched reliability. Prioritize durable materials that provide leak-free performance, better compression, and longevity in harsh, extreme environments.
- Installation and Cost: Kits are designed for easy DIY or professional overhauls with no special tools typically needed. Prices range from $40 for basic sets to $110 for premium top-end kits—consider bundles and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What snowmobile models and engines do these gaskets support? Kits are compatible with brands like Arctic Cat, Polaris, Ski-Doo, Yamaha, and John Deere, fitting engines from Sachs, JLO, Hirth, CCW, Kohler, and Xenoah. Use the year/make/model filter for exact matches.
- How do complete gasket sets benefit rebuilds? They include all necessary components (e.g., head/base gaskets, O-rings, oil seals) for leak-free sealing, improved compression, and reliable performance in demanding winter conditions.
- What materials ensure durability? High-tech materials like coated stainless steel for head gaskets and high-chromium for oil seals provide corrosion resistance and unmatched reliability in extreme cold.
- Are top-end kits suitable for DIY installation? Yes, designed for easy overhauls by mechanics or shops, with components for professional-grade rebuilds and maintenance.
- What if a kit doesn't fit my sled? Verify compatibility with our selector tool before buying. If it doesn't match, our returns policy allows exchanges or refunds.
- Can I find related engine parts? Yes—explore pistons/rings, cylinders/heads, bearings/seals, or full rebuild kits in the snowmobile engine category to complete your upgrade.