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Snowmobile Engine

Snowmobile Engine

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

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
  • PARTS UNLIMITED Ring Set R09-8012

    PARTS UNLIMITED Ring Set R09-8012

    PARTS UNLIMITED

    $16.27
    A worn or damaged ring set directly compromises compression, oil control, and overall engine efficiency—leaving power on the table and increasing blowby. The PARTS UNLIMITED Ring Set R09-8012 restores proper ring sealing and tension, bringing your engine...
    09120612
    SKU:
    09120612
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PISTON MATERIAL:
    ALUMINUM
    BORE SIZE METRIC:
    73.00 MM
    PRODUCT NAME:
    PISTON RING
    UNITS:
    SET
    PISTON SIZE IMPERIAL:
    +0.020'
    RIDING STYLE:
    SNOW
    $16.27
    Qty in Cart: 0
    Quantity:
    Price:
    $16.27
    Subtotal:
  • PARTS UNLIMITED Ring Set PU0912-0035

    PARTS UNLIMITED Ring Set PU0912-0035

    PARTS UNLIMITED

    $10.15
    Engine ring sets are critical to maintaining proper compression, oil control, and blow-by management in your engine. A worn or damaged ring set directly impacts power output, fuel efficiency, and overall engine longevity. The PARTS UNLIMITED Ring Set...
    09120035
    SKU:
    09120035
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    BORE SIZE METRIC:
    78.00 MM
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON RING
    PISTON SIZE IMPERIAL:
    STANDARD
    RIDING STYLE:
    SNOW
    UNITS:
    SET
    $10.15
    Qty in Cart: 0
    Quantity:
    Price:
    $10.15
    Subtotal:
  • On Sale
    PARTS UNLIMITED Ring Set 3005724-R

    PARTS UNLIMITED Ring Set 3005724-R

    PARTS UNLIMITED

    MSRP: $18.31
    Now: $12.00
    Was: $18.31
    Worn or damaged piston rings directly compromise compression, increase blowby, and rob your engine of power and efficiency. This OEM-specification ring set restores proper sealing and ring-to-cylinder wall contact, essential for maintaining peak...
    09120062
    SKU:
    09120062
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PISTON SIZE IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON RING
    UNITS:
    SET
    PISTON MATERIAL:
    ALUMINUM
    BORE SIZE METRIC:
    66.35 MM
    RIDING STYLE:
    SNOW
    MSRP: $18.31
    Now: $12.00
    Was: $18.31
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.31
    Now: $12.00
    Was: $18.31
    Subtotal:
  • PARTS UNLIMITED Gasket Float Bowl 46-5006-P

    PARTS UNLIMITED Gasket Float Bowl 46-5006-P

    PARTS UNLIMITED

    $11.26
    A leaking float bowl gasket will compromise your carburetor's fuel delivery precision and create a mess in your engine bay. This high-performance interface gasket replaces paper materials with a superior compound designed to maintain a reliable seal...
    09346420
    SKU:
    09346420
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MATERIAL:
    RUBBER
    TYPE:
    FLOAT BOWL
    BASE COLOR:
    BLACK
    RIDING STYLE:
    SNOW
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    $11.26
    Qty in Cart: 0
    Quantity:
    Price:
    $11.26
    Subtotal:
  • PARTS UNLIMITED Gasket Float Bowl 46-5019

    PARTS UNLIMITED Gasket Float Bowl 46-5019

    PARTS UNLIMITED

    $12.53
    A leaking float bowl gasket will compromise carburetor performance and fuel delivery consistency, leading to erratic idle, hesitation, and potential fuel seepage. This upgrade replaces stock paper gaskets with high-performance interface material,...
    09346421
    SKU:
    09346421
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    RUBBER
    TYPE:
    FLOAT BOWL
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    RIDING STYLE:
    SNOW
    $12.53
    Qty in Cart: 0
    Quantity:
    Price:
    $12.53
    Subtotal:
  • PARTS UNLIMITED Gasket Float Bowl 46-5044-P

    PARTS UNLIMITED Gasket Float Bowl 46-5044-P

    PARTS UNLIMITED

    $11.28
    A leaking float bowl gasket will drain your fuel system's efficiency and reliability—and cost you on the track or the street. This PARTS UNLIMITED gasket replaces tired paper material with high-performance interface gasket compound, engineered to seal...
    09346422
    SKU:
    09346422
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    RUBBER
    PRODUCT NAME:
    GASKET
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    RIDING STYLE:
    SNOW
    TYPE:
    FLOAT BOWL
    $11.28
    Qty in Cart: 0
    Quantity:
    Price:
    $11.28
    Subtotal:
  • On Sale
    PARTS UNLIMITED Piston Assembly - John Deere - Standard 8039

    PARTS UNLIMITED Piston Assembly - John Deere - Standard 8039

    PARTS UNLIMITED

    MSRP: $34.95
    Now: $22.00
    Was: $34.95
    A worn or damaged piston assembly directly compromises combustion efficiency, power output, and engine longevity. PARTS UNLIMITED's Standard 8039 piston assembly for John Deere equipment delivers OEM-equivalent performance with precision-cast...
    8039
    SKU:
    8039
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    DISPLACEMENT:
    338 CC
    PISTON MATERIAL:
    ALUMINUM
    UNITS:
    EACH
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    58.00 MM
    STROKE LENGTH METRIC:
    64.00 MM
    BORE - OVERSIZE:
    STANDARD
    MSRP: $34.95
    Now: $22.00
    Was: $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $34.95
    Now: $22.00
    Was: $34.95
    Subtotal:
  • On Sale
    PARTS UNLIMITED Piston Assembly - John Deere - +.010 8039-1

    PARTS UNLIMITED Piston Assembly - John Deere - +.010 8039-1

    PARTS UNLIMITED

    MSRP: $34.95
    Now: $22.00
    Was: $34.95
    When your John Deere engine demands reliability and restored performance, OEM-matched pistons are non-negotiable. The PARTS UNLIMITED Piston Assembly delivers precision-cast construction engineered for optimal heat dissipation—critical for maintaining...
    80391
    SKU:
    80391
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    PISTON MATERIAL:
    ALUMINUM
    BORE - OVERSIZE:
    +0,010'
    UNITS:
    EACH
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    BORE SIZE METRIC:
    58.00 MM
    DISPLACEMENT:
    338 CC
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    MSRP: $34.95
    Now: $22.00
    Was: $34.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $34.95
    Now: $22.00
    Was: $34.95
    Subtotal:
  • PARTS UNLIMITED Piston Assembly - Polaris - Standard 3085045

    PARTS UNLIMITED Piston Assembly - Polaris - Standard 3085045

    PARTS UNLIMITED

    $44.83
    A piston assembly is critical to engine reliability and performance—it's the component that converts combustion pressure into usable power while enduring extreme temperatures and pressures. The PARTS UNLIMITED Piston Assembly for Polaris is engineered to...
    09100662
    SKU:
    09100662
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    BORE SIZE METRIC:
    68.25 MM
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    DISPLACEMENT:
    440 CC
    STROKE LENGTH METRIC:
    60.00 MM
    $44.83
    Qty in Cart: 0
    Quantity:
    Price:
    $44.83
    Subtotal:
  • PARTS UNLIMITED Ring Set 3085046

    PARTS UNLIMITED Ring Set 3085046

    PARTS UNLIMITED

    $15.25
    A compromised ring set will rob your engine of compression, power, and reliability—whether you're pushing a high-strung race motor or maintaining daily driver dependability. The PARTS UNLIMITED Ring Set 3085046 restores proper ring seal and blowby...
    09120082
    SKU:
    09120082
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    PISTON MATERIAL:
    ALUMINUM
    PISTON SIZE IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    SNOW
    UNITS:
    SET
    BORE SIZE METRIC:
    68.25 MM
    $15.25
    Qty in Cart: 0
    Quantity:
    Price:
    $15.25
    Subtotal:
  • PARTS UNLIMITED Ring Set 3004762-R

    PARTS UNLIMITED Ring Set 3004762-R

    PARTS UNLIMITED

    $14.23
    Worn or damaged piston rings directly compromise cylinder compression, fuel efficiency, and overall engine performance. This OEM-spec replacement ring set restores proper sealing and blowby control, ensuring your engine operates at designed pressure and...
    09120061
    SKU:
    09120061
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    PISTON MATERIAL:
    ALUMINUM
    PISTON SIZE IMPERIAL:
    STANDARD
    BORE SIZE METRIC:
    72.00 MM
    PRODUCT NAME:
    PISTON RING
    UNITS:
    SET
    RIDING STYLE:
    SNOW
    $14.23
    Qty in Cart: 0
    Quantity:
    Price:
    $14.23
    Subtotal:
  • On Sale
    PARTS UNLIMITED Ring Set 2201153-R

    PARTS UNLIMITED Ring Set 2201153-R

    PARTS UNLIMITED

    MSRP: $18.31
    Now: $12.00
    Was: $18.31
    Piston rings are critical wear items that directly impact compression, oil control, and engine efficiency. Over time, rings degrade from heat cycles and combustion pressure, leading to blow-by, oil consumption, and power loss. This replacement ring set...
    09120065
    SKU:
    09120065
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PISTON MATERIAL:
    ALUMINUM
    PISTON SIZE IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON RING
    BORE SIZE METRIC:
    66.00 MM
    RIDING STYLE:
    SNOW
    UNITS:
    SET
    MSRP: $18.31
    Now: $12.00
    Was: $18.31
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18.31
    Now: $12.00
    Was: $18.31
    Subtotal:
  • PARTS UNLIMITED Knock Sensor - Arctic Cat S14-8005

    PARTS UNLIMITED Knock Sensor - Arctic Cat S14-8005

    PARTS UNLIMITED

    $76.45
    A failing knock sensor compromises engine timing and can trigger limp-mode operation, reducing power and efficiency. This OEM-specification replacement restores proper detonation detection, ensuring your Arctic Cat maintains optimal ignition advance and...
    09500973
    SKU:
    09500973
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    PRODUCT NAME:
    SENSOR
    RIDING STYLE:
    SNOW
    TYPE:
    KNOCK
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $76.45
    Subtotal:
  • PARTS UNLIMITED Camshaft Position Sensor S14-8006

    PARTS UNLIMITED Camshaft Position Sensor S14-8006

    PARTS UNLIMITED

    $46.87
    A faulty camshaft position sensor can cause rough idle, check engine lights, and unpredictable ignition timing—all of which kill performance and reliability. The PARTS UNLIMITED Camshaft Position Sensor S14-8006 delivers precise valve timing data to your...
    09500974
    SKU:
    09500974
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    SNOW
    TYPE:
    CAMSHAFT POSITION
    PRODUCT NAME:
    SENSOR
    UNITS:
    EACH
    $46.87
    Qty in Cart: 0
    Quantity:
    Price:
    $46.87
    Subtotal:
  • PARTS UNLIMITED Camshaft Position Sensor S14-8007

    PARTS UNLIMITED Camshaft Position Sensor S14-8007

    PARTS UNLIMITED

    $46.87
    A failing camshaft position sensor can cause rough idle, poor fuel economy, and check engine lights—issues that compromise both performance and drivability. The PARTS UNLIMITED Camshaft Position Sensor S14-8007 delivers OEM-level reliability with precise...
    09500975
    SKU:
    09500975
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    SNOW
    TYPE:
    CAMSHAFT POSITION
    PRODUCT NAME:
    SENSOR
    UNITS:
    EACH
    $46.87
    Qty in Cart: 0
    Quantity:
    Price:
    $46.87
    Subtotal:
  • PARTS UNLIMITED Boost Pressure Sensor S14-8012

    PARTS UNLIMITED Boost Pressure Sensor S14-8012

    PARTS UNLIMITED

    $76.45
    Accurate boost pressure measurement is critical for safe and consistent forced-induction performance. The PARTS UNLIMITED Boost Pressure Sensor S14-8012 delivers reliable real-time data to your engine control unit, enabling proper fuel mapping and...
    09500976
    SKU:
    09500976
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    PRODUCT NAME:
    SENSOR
    TYPE:
    PRESSURE
    RIDING STYLE:
    SNOW
    UNITS:
    EACH
    $76.45
    Qty in Cart: 0
    Quantity:
    Price:
    $76.45
    Subtotal:
  • PARTS UNLIMITED Piston Assembly - Polaris - +.020 8053-1

    PARTS UNLIMITED Piston Assembly - Polaris - +.020 8053-1

    PARTS UNLIMITED

    $55.03
    When your Polaris engine has seen some miles, piston wear directly impacts compression, power delivery, and fuel efficiency. The PARTS UNLIMITED Piston Assembly restores your engine to OEM performance specifications with precision-cast pistons engineered...
    80531
    SKU:
    80531
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    PRODUCT NAME:
    PISTON KIT
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    DISPLACEMENT:
    500 CC
    UNITS:
    EACH
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    60.00 MM
    BORE - OVERSIZE:
    +0,010'
    BORE SIZE METRIC:
    72.00 MM
    PISTON MATERIAL:
    ALUMINUM
    Qty in Cart: 0
    Quantity:
    Price:
    $55.03
    Subtotal:
  • PARTS UNLIMITED Piston Assembly - Polaris - +.020 8053-2

    PARTS UNLIMITED Piston Assembly - Polaris - +.020 8053-2

    PARTS UNLIMITED

    $55.03
    When your Polaris engine demands precision and reliability at high RPM, OEM-spec pistons become non-negotiable. This PARTS UNLIMITED piston assembly delivers the exact fitment and thermal performance your engine needs to maintain power without compromise...
    80532
    SKU:
    80532
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE - OVERSIZE:
    +0,020'
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    DISPLACEMENT:
    500 CC
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    PISTON MATERIAL:
    ALUMINUM
    BORE SIZE METRIC:
    72.00 MM
    STROKE LENGTH METRIC:
    60.00 MM
    UNITS:
    EACH
    $55.03
    Qty in Cart: 0
    Quantity:
    Price:
    $55.03
    Subtotal:
  • On Sale
    PARTS UNLIMITED Piston Assembly - John Deere - Standard 8041

    PARTS UNLIMITED Piston Assembly - John Deere - Standard 8041

    PARTS UNLIMITED

    MSRP: $44.95
    Now: $29.00
    Was: $44.95
    A worn or damaged piston assembly directly compromises engine efficiency, compression, and longevity—making this OEM-equivalent replacement essential for restoring your John Deere 8041 to factory performance. PARTS UNLIMITED pistons are cast to precise...
    8041
    SKU:
    8041
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    66.00 MM
    UNITS:
    EACH
    DISPLACEMENT:
    438 CC
    STROKE LENGTH METRIC:
    64.00 MM
    BORE - OVERSIZE:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM
    MSRP: $44.95
    Now: $29.00
    Was: $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $44.95
    Now: $29.00
    Was: $44.95
    Subtotal:
  • On Sale
    PARTS UNLIMITED Piston Assembly - John Deere - +.010 8041-1

    PARTS UNLIMITED Piston Assembly - John Deere - +.010 8041-1

    PARTS UNLIMITED

    MSRP: $44.95
    Now: $29.00
    Was: $44.95
    When combustion chamber temperatures spike, stock pistons can't keep up—leading to premature wear, carbon buildup, and lost power. The PARTS UNLIMITED Piston Assembly for John Deere maintains OEM-level performance while delivering superior heat...
    80411
    SKU:
    80411
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    BORE SIZE METRIC:
    66.00 MM
    DISPLACEMENT:
    438 CC
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    BORE - OVERSIZE:
    +0,010'
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    MSRP: $44.95
    Now: $29.00
    Was: $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $44.95
    Now: $29.00
    Was: $44.95
    Subtotal:
  • Total: items /

Adding your products to cart

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)

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.

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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