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Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6

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1991 polaris big-boss-4x6-w918627
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Quick answer: The Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6 for the 1991 1991 polaris big-boss-4x6-w918627 (ATV) consists of 26 OEM components. 3 are currently matched to live Amazon/eBay listings, priced from $1.99–$12.95.
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PIN, COTTER(10)

The **Quad Logic Axle Hardware Kit (100-3399)** provides a direct replacement solution for Polaris RZR 570, 800, 900, and 1000 Turbo models (2008–2017). This kit includes a **polished castle nut (OEM 7547337)**, two **washers (OEM 7555796)**, and a **cotter pin (OEM 7661404)** for secure front or rear axle installation. Engineered for precise fitment, this kit ensures proper torque retention and long-term reliability.

Compatible with **2008–2014 RZR 800 (all variants)**, **2012–2017 RZR 900/1000**, and Turbo models, this replacement hardware maintains OEM specifications. Each kit weighs **2.82 oz** and ships in a compact package measuring **5.0 x 3.07 x 0.87 inches**. Ideal for maintenance, repairs, or upgrades, this kit eliminates compatibility concerns while delivering factory-level performance.

Specifications

  • 0: Complete axle hardware kit: nut, washers, and cotter pin
  • 1: Compatible with Polaris RZR 570, 800, 900, 1000, Turbo models listed
  • 2: Direct replacement for front or rear axle hardware
  • 3: Replaces Polaris part number 7555796, 7547337, and 7661404
  • 4: Sold as one kit per axle
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VALVE RIM

Ensure optimal tire performance and air retention on your Polaris Ranger, RZR, or Sportsman with this Quad Logic 4-pack of OEM-style rubber valve stems. Each stem features a .45-inch valve hole diameter and measures 1.4 inches in overall length, providing a direct replacement for Polaris part number 1525017. The set includes four high-quality stems with corrosion-resistant brass valve cores and matching caps, designed for compatibility with steel and aluminum rims.

Constructed from durable rubber, these valve stems maintain a secure seal to prevent air loss, extending tire life and maintaining proper pressure. The universal fitment ensures broad compatibility across most Polaris off-road models, while the lightweight 2-ounce package (measuring 0.63 x 1.97 x 0.63 inches) makes storage and installation effortless. Engineered for reliability, these stems meet the exact specifications required for direct OEM replacement.

Specifications

  • 0: Complete 4-Pack: Includes four rubber valve stems with matching caps.
  • 1: OEM-Style Fitment: Designed to replace Polaris part number 1525017.
  • 2: Universal Compatibility: Fits most Polaris Ranger, RZR, and Sportsman OEM wheels.
  • 3: Durable Construction: Rubber stem and brass valve core for long-lasting air retention.
  • 4: Standard Dimensions: Fits .45" valve hole with 1.4" overall length—compatible with steel and aluminum rims.
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FITTING,LUBE W/BALL CK.(10)

Polaris® OEM Fitting Lubrication – Part #7080306 is a high-performance, factory-specified lubricant designed for precise application in Polaris snowmobile, ATV, and off-road equipment fittings. Engineered to reduce friction, prevent corrosion, and ensure optimal sealing in threaded and press-fit connections, this lubricant meets strict OEM standards for durability and temperature resistance.

Key specifications include a semi-solid consistency for controlled application, compatibility with metal, plastic, and rubber components, and resistance to extreme conditions. Ideal for maintenance professionals and enthusiasts requiring an authentic Polaris solution for reliable, long-lasting performance. Use only with Polaris-branded fittings to maintain warranty compliance.

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Exact factory OEM # 7555764 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5020468 may be temporarily out of stock in official store listings.
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6

HUB, REAR Substituted by 1520102 067

Exact OEM Stock Low
OEM Ref: 1520102
Also fits 1 other vehicle
Exact factory OEM # 1520102 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5410539 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7542714 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7555745 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7543005 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5410404 may be temporarily out of stock in official store listings.
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Exact factory OEM # 3225024 may be temporarily out of stock in official store listings.
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Exact factory OEM # 3224045 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7515488 may be temporarily out of stock in official store listings.
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Exact factory OEM # 3222047 may be temporarily out of stock in official store listings.
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Exact factory OEM # 1380026 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5410415 may be temporarily out of stock in official store listings.
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Exact factory OEM # 3610013 may be temporarily out of stock in official store listings.
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Exact factory OEM # 3515501 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5010204 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5130663 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5010206 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7710405 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5020504 may be temporarily out of stock in official store listings.
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Exact factory OEM # 1520128 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7512673 may be temporarily out of stock in official store listings.
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Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6 — Frequently Asked Questions

What OEM parts are included in the Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6 for the 1991 polaris big-boss-4x6-w918627?

The Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6 for the 1991 polaris big-boss-4x6-w918627 includes 26 individual OEM components, each listed below with its exact OEM part number.

How much does the Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6 cost for the 1991 polaris big-boss-4x6-w918627?

Individual components in this assembly currently range from $1.99–$12.95, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1991 polaris big-boss-4x6-w918627 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 PIN, COTTER(10) on the 1991 polaris big-boss-4x6-w918627?

The OEM part number for the PIN, COTTER(10) (part of the Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6 assembly) on the 1991 polaris big-boss-4x6-w918627 is 7661404.

Does OEM part 7661404 fit the 1991 polaris big-boss-4x6-w918627?

Yes — OEM 7661404 is listed as the PIN, COTTER(10) for the 1991 polaris big-boss-4x6-w918627 (1991), part of the Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6 assembly.

Which parts are included in the Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6?

PIN, COTTER(10), VALVE RIM, FITTING,LUBE W/BALL CK.(10), WASHER(10), NUT, JAM, HUB, REAR Substituted by 1520102 067, TIRE,REAR,(4X6), NUT, WHEEL(10), and 18 more — see the full list below.

What other vehicles use OEM part number 7661404?

OEM 7661404 (PIN, COTTER(10)) also fits 1061 other vehicles in this catalog, including 1990 polaris trail-blazer-w907221 — Rear Wheel Drive Assembly, 1990 polaris trail-blazer-w907221 — Steering Assembly, 1990 polaris trail-boss-4x4-w908127 — Rear Wheel Drive Assembly.

Cross-Marketplace Price Tracker
Compare total assembly price across Amazon Prime vs. eBay Certified Sellers.
Amazon Est. Total
$20.90
eBay Est. Total
$1.99