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Middle Wheel Assembly

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1989 polaris big-boss-4x6-x898627
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Quick answer: The Middle Wheel Assembly for the 1989 1989 polaris big-boss-4x6-x898627 (ATV) consists of 10 OEM components. 2 are currently matched to live Amazon/eBay listings, priced from $7.95–$12.95.
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Showing 10 Components
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
Exclusive Amazon Prime Stock

Ships directly from Amazon warehouses — not currently matched on eBay.

Order on Amazon ($7.95)
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.
Exclusive Amazon Prime Stock

Ships directly from Amazon warehouses — not currently matched on eBay.

Order on Amazon ($12.95)
Exact factory OEM # 1520128 may be temporarily out of stock in official store listings.
High Demand Part
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Exact factory OEM # 7543601 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.
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 # 7543005 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 →
Exact factory OEM # 5410404 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 →

Middle Wheel Assembly — Frequently Asked Questions

What OEM parts are included in the Middle Wheel Assembly for the 1989 polaris big-boss-4x6-x898627?

The Middle Wheel Assembly for the 1989 polaris big-boss-4x6-x898627 includes 10 individual OEM components, each listed below with its exact OEM part number.

How much does the Middle Wheel Assembly cost for the 1989 polaris big-boss-4x6-x898627?

Individual components in this assembly currently range from $7.95–$12.95, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1989 polaris big-boss-4x6-x898627 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 1989 polaris big-boss-4x6-x898627?

The OEM part number for the PIN, COTTER(10) (part of the Middle Wheel Assembly assembly) on the 1989 polaris big-boss-4x6-x898627 is 7661404.

Does OEM part 7661404 fit the 1989 polaris big-boss-4x6-x898627?

Yes — OEM 7661404 is listed as the PIN, COTTER(10) for the 1989 polaris big-boss-4x6-x898627 (1989), part of the Middle Wheel Assembly assembly.

Which parts are included in the Middle Wheel Assembly?

PIN, COTTER(10), VALVE, RIM, RIM,REAR,PRIMED (Primed), NUT, JAM, HUB, REAR, TIRE,REAR,(4X6), NUT, WHEEL(10), WASHER(10), and 2 more — see the full list below.

What other vehicles use OEM part number 7661404?

OEM 7661404 (PIN, COTTER(10)) also fits 1221 other vehicles in this catalog, including 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly, 1989 polaris big-boss-4x6-w898627 — Rear Wheel Drive Assembly, 1989 polaris big-boss-4x6-w898627 — Steering Assembly.

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