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SWIFTFIXTOOLS OEM PARTS & HARDWARE DIRECTORY
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Right Hand Gearcase And Brake Mounting Updated 5 90

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1990 polaris trail-boss-4x4-w908127
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Quick answer: The Right Hand Gearcase And Brake Mounting Updated 5 90 for the 1990 1990 polaris trail-boss-4x4-w908127 (ATV) consists of 14 OEM components. 3 are currently matched to live Amazon/eBay listings, priced from $2.64–$24.99.
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Showing 14 Components
Amazon Listing
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The **Quad Logic Polaris ATV/UTV flat washer (6-pack)** provides a direct replacement for original equipment part number **7558402**. Engineered to exacting standards, these **silver-colored, side-by-side washers** ensure precise fitment and reliable performance across compatible Polaris models.

Each washer is rigorously tested for quality and compatibility prior to listing. This **6-count pack** includes **flat washers** with a **fastener type** designed for Polaris ATV and UTV applications. **Item weight: 3 oz.**; **part number: 100-1091-6**. Compatibility may extend to multiple model years—verify fitment details before purchase. Returns subject to a **15% restocking fee**.

  • 0: Polaris ATV / UTV Washers
  • 1: Sold as 6 Pack
  • 2: Replaces Polaris Part Number 7558402
  • 3: Please Read Full Product Description Below To Check Fitment.
  • 4: Brand New Replacement Hardware From Quad Logic
View on Amazon ($8.95) →
eBay Listing
eBay listing photo

The **Polaris 7558402 Flat Washer** represents genuine OEM quality, engineered for precise fitment and durability in Polaris equipment. This **3-pack** ensures ready availability for maintenance, repairs, or replacements, adhering to original manufacturer specifications.

Constructed from high-grade material, this flat washer delivers consistent performance under operational loads. Compatible with Polaris systems requiring exacting dimensional standards, it minimizes wear and extends component longevity. Ideal for professional technicians and DIY enthusiasts seeking authentic replacement parts.

View on eBay ($9.99) →
BOLT(10)

The **OEM Polaris Front Control Arm Bushing Kit** is a precision-engineered replacement solution designed for optimal suspension performance and durability. Crafted from high-quality, wear-resistant materials, this kit ensures proper alignment and reduced vibration for an improved ride experience.

This kit includes all necessary bushings for seamless installation, maintaining factory specifications for compatibility with Polaris vehicles. Ideal for maintenance professionals and DIY enthusiasts seeking reliable, long-lasting suspension components.

eBay Motors Stock Available

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

Buy on eBay ($24.99)
Amazon Listing
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Authentic replacement lock washers engineered to original Polaris specifications for compatibility with a wide range of Polaris ATV and UTV models manufactured from 1999 onward. This set of **six** precision-machined washers is manufactured from durable metal and replaces Polaris part number **7552603**. Each washer features a machined exterior finish for optimal grip and secure fastening.

Ideal for maintenance and repair applications, these washers are sold as a **6-count pack** and weigh **3 ounces** total. Quad Logic ensures strict quality control to match OEM standards, providing a reliable solution for hardware replacement. Verify fitment compatibility with your specific model before purchase.

  • 0: Lock Washer for Polaris Sportsman
  • 1: Sold as a PACK OF 6
  • 2: Replaces Polaris Part Number 7552603
  • 3: Please Read Full Product Description Below To Check Fitment.
  • 4: Brand New Replacement Hardware From Quad Logic
View on Amazon ($7.95) →
eBay Listing
eBay listing photo

The Polaris 7552603 is an original equipment manufacturer (OEM) spring lock washer specifically engineered for compatibility with the 2003 Polaris Sportsman 600 4X4 utility vehicle. Crafted from high-quality steel, this component ensures secure fastening and reliable performance in demanding off-road conditions.

Designed to meet Polaris factory specifications, this spring lock washer provides a precise fit for suspension, steering, and drivetrain applications. Its durable construction resists corrosion and wear, delivering long-lasting functionality. Ideal for maintenance, repairs, or replacements, this part maintains the integrity of your vehicle’s mechanical systems while adhering to OEM standards.

View on eBay ($2.64) →
Exact factory OEM # 5240117 may be temporarily out of stock in official store listings.
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Exact factory OEM # 1910021 may be temporarily out of stock in official store listings.
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Exact factory OEM # 1910046 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5220958 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7512701 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7512702 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7072790 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7515345 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7542403 may be temporarily out of stock in official store listings.
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Exact factory OEM # 7515458 may be temporarily out of stock in official store listings.
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Right Hand Gearcase And Brake Mounting Updated 5 90 — Frequently Asked Questions

What OEM parts are included in the Right Hand Gearcase And Brake Mounting Updated 5 90 for the 1990 polaris trail-boss-4x4-w908127?

The Right Hand Gearcase And Brake Mounting Updated 5 90 for the 1990 polaris trail-boss-4x4-w908127 includes 14 individual OEM components, each listed below with its exact OEM part number.

How much does the Right Hand Gearcase And Brake Mounting Updated 5 90 cost for the 1990 polaris trail-boss-4x4-w908127?

Individual components in this assembly currently range from $2.64–$24.99, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 1990 polaris trail-boss-4x4-w908127 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 WASHER .344X.688X.063 FL Y on the 1990 polaris trail-boss-4x4-w908127?

The OEM part number for the WASHER .344X.688X.063 FL Y (part of the Right Hand Gearcase And Brake Mounting Updated 5 90 assembly) on the 1990 polaris trail-boss-4x4-w908127 is 7558402.

Does OEM part 7558402 fit the 1990 polaris trail-boss-4x4-w908127?

Yes — OEM 7558402 is listed as the WASHER .344X.688X.063 FL Y for the 1990 polaris trail-boss-4x4-w908127 (1990), part of the Right Hand Gearcase And Brake Mounting Updated 5 90 assembly.

Which parts are included in the Right Hand Gearcase And Brake Mounting Updated 5 90?

WASHER .344X.688X.063 FL Y, BOLT(10), WASHER(10), COVER,BRAKE DISC Substituted by 5222563 067, DISC, BRAKE Substituted by 1910087, CALIPER ASSEMBLY,R BRAKE Substituted by 1910073 (Complete), TRANSMISSION(4X4) [Cannot Purchase as Assembly], PLATE,BOLT LOCK, and 6 more — see the full list below.

What other vehicles use OEM part number 7558402?

OEM 7558402 (WASHER .344X.688X.063 FL Y) also fits 2968 other vehicles in this catalog, including 1989 polaris big-boss-4x6-w898627 — Frame Assembly With Racks, 1989 polaris big-boss-4x6-w898627 — Front Brake Assembly, 1989 polaris big-boss-4x6-w898627 — Front Strut Assembly.

Cross-Marketplace Price Tracker
Compare total assembly price across Amazon Prime vs. eBay Certified Sellers.
Amazon Est. Total
$16.90
eBay Est. Total
$37.62