PIN, COTTER(10)
Amazon OnlyAlso fits 1221 other vehicles
- 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
- 1989 polaris big-boss-4x6-x898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-4x6-x898627 — Steering Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-w899627 — Steering Assembly
- 1989 polaris trail-boss-2x4-w897527 — Rear Wheel Drive Assembly
- 1989 polaris trail-boss-2x4-w897527 — Steering Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Rear Wheel Drive Assembly
- 1990 polaris big-boss-4x6-w908627 — Steering Assembly Updated 5 90
- 1990 polaris trail-blazer-w907221 — Rear Wheel Drive Assembly
- 1990 polaris trail-blazer-w907221 — Steering Assembly
- View all 1221 →
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
Ships directly from Amazon warehouses — not currently matched on eBay.
VALVE, RIM
Amazon OnlyAlso fits 1856 other vehicles
- 1989 polaris big-boss-4x6-w898627 — Front Wheel Assembly
- 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly
- 1989 polaris big-boss-4x6-w898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-4x6-x898627 — Front Wheel Assembly
- 1989 polaris big-boss-4x6-x898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-w899627 — Front Wheel Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Rear Wheel Drive Assembly
- 1989 polaris trail-boss-2x4-w897527 — Front Wheel Assembly
- 1989 polaris trail-boss-2x4-w897527 — Rear Wheel Drive Assembly
- 1990 polaris big-boss-4x6-w908627 — Front Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Rear Wheel Drive Assembly
- 1990 polaris trail-blazer-w907221 — Front Wheel Assembly
- 1990 polaris trail-blazer-w907221 — Rear Wheel Drive Assembly
- View all 1856 →
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.
Ships directly from Amazon warehouses — not currently matched on eBay.
RIM,REAR,PRIMED (Primed)
Exact OEM Stock LowAlso fits 18 other vehicles
- 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly
- 1989 polaris big-boss-4x6-w898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-4x6-x898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Rear Wheel Drive Assembly
- 1989 polaris trail-boss-2x4-w897527 — Rear Wheel Drive Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Rear Wheel Drive Assembly
- 1990 polaris trail-blazer-w907221 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-250-w908527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-2x4-w907527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-4x4-w908127 — Rear Wheel Drive Assembly
- 1991 polaris big-boss-4x6-w918627 — Middle Wheel Assembly Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 291 Big Boss 4x6
- View all 18 →
Looking for a direct-fit replacement from a compatible aftermarket brand?
Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.
NUT, JAM
Exact OEM Stock LowAlso fits 73 other vehicles
- 1989 polaris big-boss-4x6-w898627 — Middle Drive Assembly
- 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Middle Drive Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Drive Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1991 polaris big-boss-4x6-w918627 — Middle Drive Assembly Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Middle Wheel Assembly Big Boss 4x6
- 1991 polaris big-boss-6x6-w918727 — Middle Drive Assembly 6x6 Updated 2 91
- 1991 polaris big-boss-6x6-w918727 — Middle Drive Assembly 6x6 Updated 291
- 1991 polaris big-boss-6x6-w918727 — Middle Wheel Assembly 6x6
- 1992 polaris big-boss-4x6-w928627 — Middle Drive Assembly 250 4x6
- 1992 polaris big-boss-4x6-w928627 — Middle Drive Assembly 250 4x6 W928627
- 1992 polaris big-boss-4x6-w928627 — Middle Wheel Assembly 250 4x6
- 1992 polaris big-boss-4x6-w928627 — Middle Wheel Assembly 250 4x6 W928627
- View all 73 →
Looking for a direct-fit replacement from a compatible aftermarket brand?
Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.
HUB, REAR
Exact OEM Stock LowAlso fits 7 other vehicles
- 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1991 polaris big-boss-4x6-w918627 — Middle Wheel Assembly Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 291 Big Boss 4x6
- 1991 polaris big-boss-6x6-w918727 — Middle Wheel Assembly 6x6
Looking for a direct-fit replacement from a compatible aftermarket brand?
Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.
TIRE,REAR,(4X6)
Exact OEM Stock LowAlso fits 61 other vehicles
- 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly
- 1989 polaris big-boss-4x6-w898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-4x6-x898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Rear Wheel Drive Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Rear Wheel Drive Assembly
- 1991 polaris big-boss-4x6-w918627 — Middle Wheel Assembly Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 291 Big Boss 4x6
- 1991 polaris big-boss-6x6-w918727 — Middle Wheel Assembly 6x6
- 1991 polaris big-boss-6x6-w918727 — Rear Wheel Drive Assembly Updated 2 91 6x6
- 1991 polaris big-boss-6x6-w918727 — Rear Wheel Drive Assembly Updated 291 6x6
- 1992 polaris big-boss-4x6-w928627 — Middle Wheel Assembly 250 4x6
- 1992 polaris big-boss-4x6-w928627 — Middle Wheel Assembly 250 4x6 W928627
- View all 61 →
Looking for a direct-fit replacement from a compatible aftermarket brand?
Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.
NUT, WHEEL(10)
Exact OEM Stock LowAlso fits 389 other vehicles
- 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly
- 1989 polaris big-boss-4x6-w898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-4x6-x898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Rear Wheel Drive Assembly
- 1989 polaris trail-boss-2x4-w897527 — Rear Wheel Drive Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Rear Wheel Drive Assembly
- 1990 polaris trail-blazer-w907221 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-250-w908527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-2x4-w907527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-4x4-w908127 — Rear Wheel Drive Assembly
- 1991 polaris big-boss-4x6-w918627 — Middle Wheel Assembly Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 291 Big Boss 4x6
- View all 389 →
Looking for a direct-fit replacement from a compatible aftermarket brand?
Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.
WASHER(10)
Exact OEM Stock LowAlso fits 426 other vehicles
- 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly
- 1989 polaris big-boss-4x6-w898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-4x6-x898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Rear Wheel Drive Assembly
- 1989 polaris trail-boss-2x4-w897527 — Rear Wheel Drive Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Rear Wheel Drive Assembly
- 1990 polaris trail-blazer-w907221 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-250-w908527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-2x4-w907527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-4x4-w908127 — Rear Wheel Drive Assembly
- 1991 polaris big-boss-4x6-w918627 — Middle Wheel Assembly Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 291 Big Boss 4x6
- View all 426 →
Looking for a direct-fit replacement from a compatible aftermarket brand?
Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.
NUT, CASTLE(10)
Exact OEM Stock LowAlso fits 653 other vehicles
- 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly
- 1989 polaris big-boss-4x6-w898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-4x6-x898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Rear Wheel Drive Assembly
- 1989 polaris trail-boss-2x4-w897527 — Rear Wheel Drive Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Rear Wheel Drive Assembly
- 1990 polaris trail-blazer-w907221 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-250-w908527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-2x4-w907527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-4x4-w908127 — Rear Wheel Drive Assembly
- 1991 polaris big-boss-4x6-w918627 — Middle Wheel Assembly Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 291 Big Boss 4x6
- View all 653 →
Looking for a direct-fit replacement from a compatible aftermarket brand?
Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.
COVER,DUST,HUB Substituted by 5411164
Exact OEM Stock LowAlso fits 130 other vehicles
- 1989 polaris big-boss-4x6-w898627 — Middle Wheel Assembly
- 1989 polaris big-boss-4x6-w898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-4x6-x898627 — Rear Wheel Drive Assembly
- 1989 polaris big-boss-w899627 — Middle Wheel Assembly
- 1989 polaris big-boss-w899627 — Rear Wheel Drive Assembly
- 1989 polaris trail-boss-2x4-w897527 — Rear Wheel Drive Assembly
- 1990 polaris big-boss-4x6-w908627 — Middle Wheel Assembly
- 1990 polaris big-boss-4x6-w908627 — Rear Wheel Drive Assembly
- 1990 polaris trail-blazer-w907221 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-250-w908527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-2x4-w907527 — Rear Wheel Drive Assembly
- 1990 polaris trail-boss-4x4-w908127 — Rear Wheel Drive Assembly
- 1991 polaris big-boss-4x6-w918627 — Middle Wheel Assembly Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 2 91 Big Boss 4x6
- 1991 polaris big-boss-4x6-w918627 — Rear Wheel Drive Assembly Updated 291 Big Boss 4x6
- View all 130 →
Looking for a direct-fit replacement from a compatible aftermarket brand?
Find New-Old-Stock (NOS), open-box deals, or verified salvage teardown parts.
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.