Snowmobile Engine
Snowmobile Engine Parts & Components at JJ Motorsports
Revamp your snowmobile engine with premium parts from JJ Motorsports. Our inventory features complete gasket sets, top-end kits, pistons, and seals using high-tech materials for superior reliability and performance in extreme cold. Compatible with engines from Sachs, JLO, Hirth, and more, these components ensure leak-free operation, better compression, and longevity for Ski-Doo, Polaris, Arctic Cat, and Yamaha models during trail rides or racing.
Shop trusted brands like Winderosa for gasket sets and Maxima Racing Oils for lubricants. Explore related categories such as snowmobile air and fuel systems for tuning or snowmobile drivetrain for full powertrain upgrades.
Top Snowmobile Engine Products
- WINDEROSA Complete Gasket Set 711063 – High-tech materials for reliable sealing.
- WINDEROSA Complete Gasket Set 711063C – Enhanced for performance engines.
- WINDEROSA Complete Gasket Set 711063D – Durable for extreme conditions.
- WINDEROSA Complete Gasket Set 711109A – Comprehensive top-end rebuild kit.
- WINDEROSA Complete Gasket Set 711020 – Affordable and reliable option.
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 - Ski Doo 600 34.5600
PROX
MSRP: $94.95Now: $81.00Was: $94.95A complete gasket and oil seal refresh is essential for maintaining compression integrity and preventing fluid leakage in your Ski-Doo 600 engine. Factory gaskets degrade over time, compromising performance and risking internal damage. This PROX kit...09346595- SKU:
- 09346595
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- FEATURES:
- INCLUDES OIL SEAL
- UNITS:
- KIT
- RIDING STYLE:
- SNOW
- TYPE:
- ENGINE
- PRODUCT NAME:
- GASKET
MSRP: $94.95Now: $81.00Was: $94.95Qty in Cart: 0Quantity:Price:MSRP: $94.95Now: $81.00Was: $94.95Subtotal: -
On Sale
PROX Gasket Kit with Oil Seals - Polaris 600 34.5604
PROX
MSRP: $109.95Now: $93.00Was: $109.95Engine seal integrity is critical to preventing oil leakage and maintaining proper combustion chamber pressure in your Polaris 600. A compromised gasket or oil seal can lead to performance loss, engine damage, and costly repairs down the line. The PROX...09346597- SKU:
- 09346597
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- FEATURES:
- INCLUDES OIL SEAL
- TYPE:
- ENGINE
- UNITS:
- KIT
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- GASKET
MSRP: $109.95Now: $93.00Was: $109.95Qty in Cart: 0Quantity:Price:MSRP: $109.95Now: $93.00Was: $109.95Subtotal: -
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
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Snowmobile Engine Parts
- Compatibility: Confirm parts fit your snowmobile's make (e.g., Arctic Cat, Polaris, Ski-Doo, Yamaha) and engine type (e.g., Sachs, JLO, Hirth, CCW, Kohler, Xenoah). Use the vehicle selector for model-specific matches, ensuring compatibility with current and non-current models to avoid leaks or performance issues.
- Type of Use: For high-performance racing or extreme cold rides, select top-end kits and gaskets for better compression; maintenance or trail use benefits from basic rebuild kits and seals for reliability and longevity in demanding winter conditions.
- Components and Upgrades: Choose from complete gasket sets, top-end kits (e.g., pistons, rings), cylinders/heads, bearings/seals, recoil starters, valves/cams, crankshafts, oil filters/tanks, wrist pins, motor mounts, flywheels/rods, and rebuild kits. Focus on features like high-tech materials for sealing and oil seals for leak-free operation.
- Brand and Quality: Opt for trusted brands like Winderosa for gasket and top-end sets with superior materials, or Maxima Racing Oils for lubricants. Prioritize high-tech, durable constructions that provide unmatched reliability, better compression, and performance in extreme environments.
- Installation and Cost: Many parts like gaskets or seals are DIY-friendly with basic tools; full rebuilds may require mechanics. Prices range from $40 for basic gasket sets to $110 for premium top-end kits—look for bundles and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What snowmobile models and engines do these parts support? Parts are designed for makes like Arctic Cat, Polaris, Ski-Doo, and Yamaha, with compatibility for engines from Sachs, JLO, Hirth, CCW, Kohler, and Xenoah. Use the year/make/model filter for exact fits.
- How do gasket sets improve engine performance? Winderosa complete gasket sets provide superior sealing for leak-free operation, better compression, and increased longevity, ideal for performance engines in extreme cold.
- What do top-end kits typically include? Full top-end sets like Winderosa 710235 include gaskets, oil seals, and high-tech materials for a comprehensive rebuild, ensuring reliability and enhanced performance.
- Are these parts suitable for extreme conditions? Yes, made from high-tech materials designed for demanding snow riding, they offer unmatched durability and performance in harsh winter environments.
- What if a part doesn't fit my snowmobile? Verify compatibility using our selector tool before purchase. If it doesn't match, our returns policy allows exchanges or refunds.
- Can I find related engine components? Yes—explore subcategories like pistons/rings, cylinders/heads, bearings/seals, or browse air and fuel or drivetrain for complementary upgrades.
