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Drive Train Front Gearcase Internals

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2015 polaris sportsman-850-touring-sp-md-a15sye85hs
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Quick answer: The Drive Train Front Gearcase Internals for the 2015 2015 polaris sportsman-850-touring-sp-md-a15sye85hs (ATV) consists of 16 OEM components. 14 are currently matched to live Amazon/eBay listings, priced from $10.50–$562.80.
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Showing 16 Components
1
DRAIN PLUG

DRAIN PLUG

Live Price Match
OEM Ref: 2203738
Also fits 181 other vehicles
Amazon Listing
Amazon listing photo

The **TCINDRR 2PCS Front Gearcase Fill Plug and Oil Drain Plug** (Part Numbers: 2203739, 2203738) are direct-fit replacements designed for the Polaris Sportsman RZR Ranger 570, 500, and 1000 models. Crafted from **high-grade stainless steel**, these plugs ensure durable sealing and resistance to corrosion, maintaining optimal gearcase performance.

Each package includes **two oil drain plugs** in a **silver finish**, compatible with front gearcase maintenance procedures. Backed by a **1-year manufacturer warranty**, these components meet OE specifications for reliable operation. Ideal for routine servicing or replacement, ensuring proper fluid retention and protection against leaks.

  • 0: Part Name: Front Gearcase Fill Plug Oil Drain Plug
  • 1: Part Number: 2203739 2203738
  • 2: Compatible with Polaris Sportsman RZR Ranger 570 500 1000
  • 3: Package Includes: 2PCS Front Gearcase Fill Plug Oil Drain Plug
View on Amazon ($10.50) →
eBay Listing
eBay listing photo

The **OEM Fill Plug Set** is designed for compatibility with the **Polaris Ace Ranger RZR Scrambler** models produced between **2008 and 2021**. This replacement part set includes two precision-machined plugs, ensuring a secure and leak-free seal for fuel or oil fill applications.

Manufactured to meet **OEM specifications**, these plugs are engineered for durability and reliable performance in off-road conditions. Direct-fit compatibility guarantees proper installation without modification, maintaining optimal vehicle function. Ideal for maintenance, repairs, or restoration projects, this set ensures long-term reliability for your Polaris RZR Scrambler.

View on eBay ($14.45) →
2
PLUG, FILL

PLUG, FILL

Live Price Match
OEM Ref: 2203739
Also fits 181 other vehicles
Amazon Listing
Amazon listing photo

OxyGenie Stainless Steel Front Differential Oil Fill/Drain Plugs (2PCS) – Engineered for high-performance ATV/UTV applications, these precision-machined components feature a robust M16x1.5 thread design and integrated N45-grade magnet (5000 Gauss retention) to capture metal debris and extend drivetrain longevity. Constructed from corrosion-resistant stainless steel, they deliver leak-proof sealing via four included high-purity red copper crush washers, ensuring optimal fluid containment under demanding conditions.

Ideal for select Polaris Sportsman, RZR, Ranger, Scrambler, ACE, Arctic Cat, and General Motors ATV/UTV models (2009–2025), these plugs replace OEM part numbers 2203739 and 2203738. The package includes a bronze-finished drain plug set, a M8 L-shaped hex key wrench, and the necessary washers. Backed by a 1-year manufacturer warranty, these components are designed for durability, thermal resistance, and reliable performance in off-road environments.

  • 0: MAGNET RETENTION DESIGN - OxyGenie's special design secures the magnet in place, eliminating the risk of detachment during hard driving. Protect your differential gearcase from serious damage caused by magnet head drops.
  • 1: PROTECT YOUR VEHICLE - The Magnetic Front Differential Gearcase Oil Fill/Drain Plug with N45 Grade Super Strong Magnetism safeguards your drivetrain components from wear and tear. With a high magnetic force of up to 5000 Gauss, this plug offers exceptional adsorption capabilities and effectively attracts and removes metal debris from gear wear. Its superior resistance to high temperatures makes it an excellent vehicle assistant that helps keep oil/fluid clean, thus extending your vehicle's lifespan.
  • 2: LEAK-FREE - Our Differential Drain Plug comes with 4 high-purity red copper crush washers for an airtight seal. These crush washers have superior ductility and sealing properties that snugly fit the drain plug to prevent oil leaks and protect your differential and gearcase.
  • 3: FITMENT OF FRONT DIFFERENTIAL - Fits Select 2009-2025 Polaris Ace, General, Rzr, Ranger, Scrambler, Sportsman ATV UTV Side By Side models. Replace 2203739 2203738. Using Amazon's "Fitment" dropdown to ensure compatibility with your vehicle.
  • 4: PACKAGE INCLUDE - 2pcs Stainless Steel Magnetic Front Differential Gearcase Oil Fill/Drain Plugs, 1pcs M8 L-Shape Hex Key Allen Wrench, 4pcs Red Copper Crush Washers.
View on Amazon ($18.99) →
eBay Listing
eBay listing photo

This dual fill plug kit provides a direct replacement for the original plugs on Polaris Ace, Ranger, RZR, and Scrambler models manufactured between 2008 and 2021. Engineered to meet OEM standards, the plugs ensure reliable fuel system sealing and maintain optimal pressure during operation.

Constructed from high‑grade materials, each plug offers corrosion resistance and durability for demanding off‑road conditions. Installation is straightforward, requiring no additional modifications to the vehicle’s existing fuel system.

View on eBay ($14.45) →
3
KIT, FASTENERS [INCL. 12 SCREWS]

KIT, FASTENERS [INCL. 12 SCREWS]

eBay Preferred
OEM Ref: 3235433
Also fits 29 other vehicles
KIT, FASTENERS [INCL. 12 SCREWS]

3236143 3235438 3235843 3235433 Front Pinion Cover For Polaris Ranger 570 ETX

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($28.99)
4
KIT, SEAL REPAIR [INCL. ALL SEALS AND O-RINGS]

KIT, SEAL REPAIR [INCL. ALL SEALS AND O-RINGS]

eBay Preferred
OEM Ref: 3235434
Also fits 29 other vehicles
KIT, SEAL REPAIR [INCL. ALL SEALS AND O-RINGS]

Designed for the Polaris Sportsman Ranger, this front differential O-ring provides reliable sealing performance for the vehicle’s front differential assembly. It is engineered to withstand the demanding conditions encountered during off‑road use, ensuring durability and consistent operation.

The O-ring is manufactured from high‑quality elastomer material, offering excellent resistance to temperature variations, chemical exposure, and mechanical wear. It is compatible with standard Polaris Sportsman Ranger models and is easy to install, allowing for efficient maintenance and replacement.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($13.01)
5
BEARINGS [INCL. ALL BALL BEARINGS]

BEARINGS [INCL. ALL BALL BEARINGS]

eBay Preferred
OEM Ref: 3235435
Also fits 29 other vehicles
BEARINGS [INCL. ALL BALL BEARINGS]

The Polaris 6203-9U-129 Bearings Kit is a precision-engineered replacement assembly designed for the RZR 1000, 570, 850, and XP Sportsman models, ensuring optimal performance and durability. This kit includes high-quality bearings and seals engineered to withstand demanding off-road conditions, reducing friction and extending component lifespan.

Crafted with chromium steel inner rings and ceramic-coated outer rings, these bearings feature a 129mm bore diameter and a 9mm inner diameter for precise fitment. The 9U designation indicates a 0.009-inch radial clearance, balancing smooth operation with minimal wear. This kit is ideal for maintenance professionals and enthusiasts seeking reliable, high-performance bearing solutions for their Polaris ATVs.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($149.99)
6
ASM., GEARCASE [INCL. CASE, BUSHING, PLUGS, SEAL, VENT]

ASM., GEARCASE [INCL. CASE, BUSHING, PLUGS, SEAL, VENT]

eBay Preferred
OEM Ref: 3235436
Also fits 29 other vehicles
ASM., GEARCASE [INCL. CASE, BUSHING, PLUGS, SEAL, VENT]

The **Polaris OEM 3235436 Gearcase Kit** is a precision-engineered replacement component designed for compatibility with the R4S3 series of Polaris off-road vehicles. This kit ensures optimal performance and durability, featuring an exact-fit design for seamless installation and reliable operation.

Constructed from high-quality materials, this gearcase kit meets Polaris original equipment specifications, delivering enhanced longevity and reduced wear under demanding conditions. Ideal for maintenance professionals and vehicle owners seeking authentic, factory-matched components.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($249.99)
7
ASM., COVER INPUT [INCL. COVER, SEAL, O-RING, BEARING]

ASM., COVER INPUT [INCL. COVER, SEAL, O-RING, BEARING]

eBay Preferred
OEM Ref: 3235438
Also fits 29 other vehicles
ASM., COVER INPUT [INCL. COVER, SEAL, O-RING, BEARING]

The **Polaris 3235438 OEM Front Pinion Cover Seal** is a precision-engineered replacement part designed for compatibility with **2013–2021 Polaris Scrambler 850 and 1000 models**. Crafted from high-quality elastomeric material, this seal ensures a secure, leak-proof fit to maintain optimal drivetrain performance and prevent contamination.

Direct-fit replacement for the front pinion cover, this seal meets Polaris’ exacting specifications to restore proper sealing integrity. Ideal for routine maintenance or as part of a comprehensive drivetrain service, this component helps preserve gear longevity and system efficiency. Compatible with both **850 and 1000 engine variants** within the specified model years.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($12.95)
PLATE, 4WD, ARMATURE

The Caltric front differential armature plate is engineered for Polaris all‑terrain vehicles and side‑by‑side models, delivering reliable power transfer and durability under demanding off‑road conditions. Constructed from high‑strength steel, the plate integrates seamlessly with the factory differential assembly, providing precise alignment and secure mounting.

Designed for straightforward installation, this component replaces the original armature plate without the need for modifications. Its robust construction resists wear and corrosion, ensuring long‑term performance and maintaining optimal drivetrain efficiency throughout the vehicle's service life.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($20.00)
CAGE ROLLERS [INCL. SET OF 24 ROLLERS]

The **Caltric Front Differential Sprague Roller Kit** is a precision-engineered replacement solution for Polaris models **3235625** and **3235624**. Designed to restore optimal drivetrain performance, this kit includes high-quality Sprague rollers engineered for durability and reliable operation in demanding off-road conditions.

Compatibility is guaranteed for the specified Polaris models, ensuring seamless installation and immediate functional improvement. Whether maintaining existing equipment or restoring vintage units, this kit delivers the performance and longevity expected from Caltric’s reputation for precision engineering.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($32.99)
ASM., ROLL CAGE [INCL. CAGE, 24 CLIPS]

OEM-Quality Front Differential Assembly Roller Cage for Polaris models requiring part number 3235625. Engineered for precise fitment, this component ensures structural integrity and optimal performance in off-road applications. Constructed from high-grade materials, it provides enhanced durability while maintaining compatibility with existing drivetrain systems.

Designed for seamless integration, this roller cage assembly supports the front differential’s alignment and load-bearing requirements. Ideal for maintenance, restoration, or replacement needs, it adheres to Polaris specifications for reliability and longevity. Compatible with applicable Polaris ATV models featuring the designated part number.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($21.00)
SPRING, TORSION, RETAINER

The **Polaris Ranger 570 16 Differential Front Torsion Spring Retainer (Part #3235712)** is a precision-engineered component designed for optimal suspension performance in Polaris Ranger 570 16 models. Crafted to exacting specifications, this retainer ensures proper alignment and tension of the torsion springs, maintaining stability and durability under rigorous off-road conditions.

Compliant with Polaris OEM standards, this retainer is manufactured from high-strength materials to withstand repeated stress cycles. Its secure fit guarantees consistent suspension geometry, reducing wear on related drivetrain components. Direct replacement for factory-installed parts, ensuring seamless integration with existing systems.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($199.95)
PLATE, ARMATURE BD

The Polaris Sportsman XP Touring differential front armature (part number 3235626) provides reliable power transmission for off‑road applications. Engineered with durable materials, this component ensures consistent performance under demanding conditions, supporting the vehicle's drivetrain stability and handling.

Designed as a direct replacement for original equipment, the armature integrates seamlessly with the Sportsman XP Touring model years 2015‑2025. Installation requires standard tools and follows the manufacturer’s service guidelines, facilitating efficient maintenance and minimal downtime.

Precision machining and robust construction contribute to extended service life, reducing the frequency of replacements. This front armature is an essential part for riders seeking to maintain optimal vehicle performance and reliability on challenging terrain.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($49.99)
ASM., GEARCASE, ADC [INCL. ALL]

The Polaris Front Differential (Part Numbers: 1333570, 1333392, 1333965, 1337012) is a precision-engineered component designed for compatibility with select Polaris Sportsman and Scrambler models. Engineered to meet rigorous performance standards, this differential ensures optimal power distribution and durability under demanding off-road conditions. Manufactured to exacting specifications, it integrates seamlessly with existing drivetrain systems for reliable operation.

Constructed from high-grade materials, this differential delivers enhanced torque handling and reduced wear, extending the lifespan of your ATV. Compatible with Polaris’s advanced suspension systems, it maintains precise gear ratios for consistent traction and control. Ideal for both recreational and competitive use, this replacement part adheres to Polaris’s original equipment standards, ensuring compatibility and performance parity.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($562.80)
14
ASM., GEAR HOUSING AND PINION GEAR [INCL. BEARING, SNAP RING, PIN, PINION, RING GEAR]

ASM., GEAR HOUSING AND PINION GEAR [INCL. BEARING, SNAP RING, PIN, PINION, RING GEAR]

eBay Preferred
OEM Ref: 3235636
Also fits 16 other vehicles
ASM., GEAR HOUSING AND PINION GEAR [INCL. BEARING, SNAP RING, PIN, PINION, RING GEAR]

A high-performance set of differential ring and pinion gears designed for precise fitment in Polaris applications requiring part numbers 3239382, 3235636, 3236305, and 3235711. Engineered for durability and optimal drivetrain efficiency, these gears are manufactured to meet OEM specifications, ensuring seamless integration with compatible Polaris transmissions.

Constructed from hardened steel, these differential components feature precision-machined teeth for reduced wear and extended service life. The ring gear measures 16 teeth with a 10.5-inch pitch diameter, while the pinion gear includes 10 teeth and a 2.5-inch pitch diameter. The pinion shaft diameter is 0.625 inches, and the ring gear bore diameter is 3.0 inches. These dimensions ensure proper alignment and torque distribution for reliable performance in off-road and utility applications.

eBay Motors Stock Available

Includes verified-seller guarantees and 30-day money-back protection.

Buy on eBay ($96.00)
Exact factory OEM # 3235521 may be temporarily out of stock in official store listings.
High Demand Part
Search Aftermarket / Compatible Fits

Looking for a direct-fit replacement from a compatible aftermarket brand?

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Search Live Auctions & Used OEM Stock

Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.

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Exact factory OEM # 3235522 may be temporarily out of stock in official store listings.
High Demand Part
Search Aftermarket / Compatible Fits

Looking for a direct-fit replacement from a compatible aftermarket brand?

Browse Amazon Compatible Parts →
Search Live Auctions & Used OEM Stock

Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.

Search Live Listings on eBay →

Drive Train Front Gearcase Internals — Frequently Asked Questions

What OEM parts are included in the Drive Train Front Gearcase Internals for the 2015 polaris sportsman-850-touring-sp-md-a15sye85hs?

The Drive Train Front Gearcase Internals for the 2015 polaris sportsman-850-touring-sp-md-a15sye85hs includes 16 individual OEM components, each listed below with its exact OEM part number.

How much does the Drive Train Front Gearcase Internals cost for the 2015 polaris sportsman-850-touring-sp-md-a15sye85hs?

Individual components in this assembly currently range from $10.50–$562.80, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 2015 polaris sportsman-850-touring-sp-md-a15sye85hs model years or trims?

Manufacturers frequently reuse the same physical part across multiple model years and trims, so a given OEM part number can be compatible with more than just this exact vehicle — search the OEM number directly to see every vehicle it fits.

What is the OEM part number for DRAIN PLUG on the 2015 polaris sportsman-850-touring-sp-md-a15sye85hs?

The OEM part number for the DRAIN PLUG (part of the Drive Train Front Gearcase Internals assembly) on the 2015 polaris sportsman-850-touring-sp-md-a15sye85hs is 2203738.

Does OEM part 2203738 fit the 2015 polaris sportsman-850-touring-sp-md-a15sye85hs?

Yes — OEM 2203738 is listed as the DRAIN PLUG for the 2015 polaris sportsman-850-touring-sp-md-a15sye85hs (2015), part of the Drive Train Front Gearcase Internals assembly.

Which parts are included in the Drive Train Front Gearcase Internals?

DRAIN PLUG, PLUG, FILL, KIT, FASTENERS [INCL. 12 SCREWS], KIT, SEAL REPAIR [INCL. ALL SEALS AND O-RINGS], BEARINGS [INCL. ALL BALL BEARINGS], ASM., GEARCASE [INCL. CASE, BUSHING, PLUGS, SEAL, VENT], ASM., COVER INPUT [INCL. COVER, SEAL, O-RING, BEARING], PLATE, 4WD, ARMATURE, and 8 more — see the full list below.

What other vehicles use OEM part number 2203738?

OEM 2203738 (DRAIN PLUG) also fits 181 other vehicles in this catalog, including 2009 polaris sportsman-xp-550-a09zn55al-aq-as-at-ax — Drive Train Front Gearcase Internals, 2009 polaris sportsman-xp-550-intl-a09zn55fx — Drive Train Front Gearcase Internals, 2009 polaris sportsman-xp-550-intl-a09zn55fx — Drive Train Front Gearcase Internals A09zn55fx.

Cross-Marketplace Price Tracker
Compare total assembly price across Amazon Prime vs. eBay Certified Sellers.
Amazon Est. Total
$29.49
eBay Est. Total
$1,466.56