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Fuel Tank Assembly 6x6 Updated 2 91

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1991 polaris big-boss-6x6-w918727
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Quick answer: The Fuel Tank Assembly 6x6 Updated 2 91 for the 1991 1991 polaris big-boss-6x6-w918727 (ATV) consists of 25 OEM components. 3 are currently matched to live Amazon/eBay listings, priced from $4.95–$9.99.
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Showing 25 Components
Amazon Listing
Amazon listing photo

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) →
NUT 5/16 18 NYLOK Y (Nylok)

Direct OEM Replacement Nuts for Polaris ATV/UTV Applications. This premium hardware pack contains six (6) brand-new, precision-engineered nuts designed as a direct replacement for Polaris Original Equipment (OE) part number 7542324. Each nut undergoes rigorous quality control and fitment verification before packaging to ensure compatibility with multiple Polaris models and model years.

Manufactured by Quad Logic, these nuts are sourced from trusted suppliers and meet strict industry standards for durability and performance. Ideal for maintenance, repairs, or upgrades, this pack provides a reliable, cost-effective solution for Polaris owners. Item weight: 3 ounces. For optimal results, verify fitment with your specific vehicle model prior to purchase.

Specifications

  • 0: Polaris Replacement Nuts
  • 1: Sold as 6 Pack
  • 2: Replaces Polaris Part Number 7542324
  • 3: Please Read Full Product Description Below To Check Fitment.
  • 4: Brand New Replacement Hardware From Quad Logic
Exclusive Amazon Prime Stock

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

Order on Amazon ($8.95)
CLAMP HOSE,(10)

The **Polaris 7080236 Hose Clamp** is a precision-engineered component designed for compatibility with Polaris RZR® models 1000, 900, 800, 500, and 570, as well as the Polaris Sportsman series. Constructed from durable materials, this clamp ensures secure and leak-proof connections for fluid lines, fuel systems, and other critical applications.

Available in a **two-pack**, this clamp provides a reliable solution for routine maintenance or emergency repairs. Compatible with standard hose diameters, it delivers consistent clamping force for optimal performance. Ideal for off-road enthusiasts and professionals requiring OEM-level reliability.

eBay Motors Stock Available

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

Buy on eBay ($4.95)
Exact factory OEM # 5430968 may be temporarily out of stock in official store listings.
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Exact factory OEM # 5222155 may be temporarily out of stock in official store listings.
High Demand Part
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Looking for a direct-fit replacement from a compatible aftermarket brand?

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Search Live Auctions & Used OEM Stock

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Search Live Listings on eBay →
Exact factory OEM # 5222154 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 # 7041209 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 # 5810423 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 →

Fuel Tank Assembly 6x6 Updated 2 91 — Frequently Asked Questions

What OEM parts are included in the Fuel Tank Assembly 6x6 Updated 2 91 for the 1991 polaris big-boss-6x6-w918727?

The Fuel Tank Assembly 6x6 Updated 2 91 for the 1991 polaris big-boss-6x6-w918727 includes 25 individual OEM components, each listed below with its exact OEM part number.

How much does the Fuel Tank Assembly 6x6 Updated 2 91 cost for the 1991 polaris big-boss-6x6-w918727?

Individual components in this assembly currently range from $4.95–$9.99, 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-6x6-w918727 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 1991 polaris big-boss-6x6-w918727?

The OEM part number for the WASHER .344X.688X.063 FL Y (part of the Fuel Tank Assembly 6x6 Updated 2 91 assembly) on the 1991 polaris big-boss-6x6-w918727 is 7558402.

Does OEM part 7558402 fit the 1991 polaris big-boss-6x6-w918727?

Yes — OEM 7558402 is listed as the WASHER .344X.688X.063 FL Y for the 1991 polaris big-boss-6x6-w918727 (1991), part of the Fuel Tank Assembly 6x6 Updated 2 91 assembly.

Which parts are included in the Fuel Tank Assembly 6x6 Updated 2 91?

WASHER .344X.688X.063 FL Y, NUT 5/16 18 NYLOK Y (Nylok), CLAMP HOSE,(10), TANK,FUEL Substituted by 2511323, GASKET GAS CAP, CAP, GAS, (BLACK), VENT, TANK, LINE,VENT,(38.0'') Substituted by 8360009 600, and 17 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
$17.90
eBay Est. Total
$14.94