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Brakes Rear Caliper A11tn55fa

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2011 polaris sportsman-x2-550-intl-a11tn55fa
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Quick answer: The Brakes Rear Caliper A11tn55fa for the 2011 2011 polaris sportsman-x2-550-intl-a11tn55fa (ATV) consists of 13 OEM components. 11 are currently matched to live Amazon/eBay listings, priced from $5.15–$239.11.
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Showing 13 Components
CALIPER DUAL INPUT,LEFT HAND [Incl All Less 13]

The **OEM-compatible brake caliper** is designed for direct installation on Polaris models requiring part numbers **1911458** or **1911459**. Engineered to meet original equipment specifications, this replacement ensures precise hydraulic performance, reliable stopping power, and seamless integration with existing brake systems.

Constructed from high-grade materials, this caliper delivers durability and consistent braking response. Compatible with Polaris ATV and side-by-side models, it provides a drop-in solution for routine maintenance or component failure. No modifications required—simply remove the old unit and install the new caliper for immediate functionality.

eBay Motors Stock Available

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Buy on eBay ($57.00)
CALIPER DUAL INPUT,RIGHT HAND [Incl All Less 13]

This rear brake caliper is engineered specifically for Polaris models equipped with part numbers 1911458 and 1911459. Constructed from high‑strength alloy, it delivers reliable stopping power and consistent performance under demanding conditions.

Designed for direct replacement, the caliper integrates seamlessly with the vehicle’s existing hydraulic system, ensuring precise fitment and optimal brake response. Its robust sealing and corrosion‑resistant coating extend service life while maintaining brake efficiency.

eBay Motors Stock Available

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

Buy on eBay ($57.00)
KIT, BRAKE PAD [Incl. 2 Pads]

The **OEM-compatible brake pads** for the **Polaris Scrambler XP 850 (Model Year 2014)** ensure precise stopping power and durability. Engineered to match original specifications, these pads deliver consistent performance for front and rear applications.

**Key Features:** - **Direct OE fitment** for 2014 Polaris Scrambler XP 850 models - **Part Numbers:** 2204088 (Front), 1911292 (Rear) - **Dual-pad set** for both front and rear braking systems - **High-quality friction material** for reliable heat dissipation and reduced wear - **Compatibility verified** with stock brake calipers and rotors **Note:** Always inspect brake components for wear or damage before installation. For optimal results, use with original Polaris brake hardware.

eBay Motors Stock Available

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Buy on eBay ($22.99)
Piston, Brake, Step

Polaris Step Brake Piston is designed for the 2009‑2019 XP 450 Sportsman Scrambler models, including the 1000 and 850 variants. This component enhances braking performance by providing a reliable and precise step mechanism that improves pedal feel and overall stopping power.

Manufactured to meet Polaris’ stringent quality standards, the piston offers durable construction and easy installation. It is compatible with standard brake systems on the specified XP 450 models, ensuring a seamless fit and optimal functionality.

eBay Motors Stock Available

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

Buy on eBay ($54.99)
SQUARE RING MOLDED (.134)

The **Polaris OEM Molded Ring #5410766** is a precision-engineered square ring designed for direct compatibility with Polaris caliper assemblies. Crafted from high-quality materials, this replacement part ensures a secure, interference-free fit for optimal braking performance and system longevity.

This molded ring is engineered to meet Polaris original specifications, ensuring seamless integration with stock and aftermarket caliper components. Ideal for maintenance, restoration, or upgrade applications, this part adheres to strict manufacturing tolerances for consistent performance in demanding off-road and utility applications.

eBay Motors Stock Available

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

Buy on eBay ($14.99)
Seal, Caliper, Inner

The Polaris Inner Caliper Seal (Part #5412010) is a precision-engineered replacement designed for compatibility with SxS and ATV models. Fabricated from high-quality elastomeric materials, this seal ensures optimal hydraulic performance and prevents fluid leakage in brake caliper systems.

Key features include a 1.50-inch outer diameter for precise fitment, engineered to maintain consistent sealing pressure under varying operating conditions. Ideal for maintenance professionals and off-road enthusiasts seeking reliable, OEM-quality components for brake system restoration.

eBay Motors Stock Available

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

Buy on eBay ($8.99)
Seal, Caliper, Outer

Direct-Fit Brake Caliper Piston Assembly with Seals – Engineered for precise compatibility with Polaris models 5132829, 5412010, and 5412011. This aftermarket replacement unit features a 1.25-inch (31.75 mm) bore diameter and is designed to restore optimal hydraulic performance, ensuring consistent braking response and extended service life.

Constructed from high-grade materials, this piston and seal assembly meets OEM specifications for durability and leak resistance. Ideal for professional mechanics and DIY enthusiasts seeking a reliable, drop-in solution for brake system maintenance. Includes all necessary seals for immediate installation, eliminating the need for additional components. Compatible with standard brake fluid types (DOT 3, 4, or 5.1) as specified by the manufacturer.

eBay Motors Stock Available

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

Buy on eBay ($16.00)
BOOT PIN BUSHING

The **Polaris 5412505 PIN BUSHING BOOT** is a genuine OEM replacement part designed for precise fitment and durability in Polaris-branded equipment. Engineered to exact specifications, this boot ensures optimal performance and longevity, reducing wear on critical steering and suspension components.

Constructed from high-quality materials, this part meets Polaris’ stringent quality standards. Compatible with designated models, it is a direct factory replacement, ensuring seamless installation and reliable operation. Ideal for maintenance professionals and equipment owners seeking authentic, high-performance components.

eBay Motors Stock Available

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

Buy on eBay ($11.94)
ASSEMBLY., Caliper Mount

The front brake pad set delivers reliable stopping power for the Polaris Sportsman 850 and 1000 models. Designed for optimal performance, the pads feature advanced friction material that maintains consistent braking efficiency under a wide range of operating conditions.

Installation is straightforward, with a complete kit that includes all necessary hardware. The set is engineered to meet or exceed OEM specifications, ensuring compatibility and durability. This product is ideal for riders who demand dependable braking in both recreational and professional applications.

eBay Motors Stock Available

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

Buy on eBay ($239.11)
Amazon Listing
Amazon listing photo

The **Mod-GRT898-13546 Bleeder Screw** is a precision-engineered replacement component designed for Polaris models including the Scrambler XP, XP 1000, XP 900, XP 850, and RZR Ranger (2006–2024 production years). Crafted to exacting specifications, this screw ensures optimal fluid drainage and system integrity during routine maintenance or repair procedures.

Key Features:

  • Direct Fit Compatibility: Engineered for Polaris part number 7081343, ensuring seamless installation and compatibility with designated models.
  • Single-Piece Construction: Unit includes 1 item (Mod-GRT898-13546) for targeted replacement without additional components.
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eBay Listing
eBay listing photo

**OEM-Quality Replacement Bleeder Screw for Polaris Scrambler XP Models (2006–2019)** – Direct-fit compatibility with 1000, 900, and 850 engine variants (part #7081343). Engineered to maintain precise hydraulic balance in brake systems, ensuring optimal performance and longevity. Constructed from durable, corrosion-resistant materials for consistent reliability in off-road conditions.

Designed for seamless installation with standard hand tools, this screw meets Polaris factory specifications for thread pitch and torque requirements. Ideal for maintenance professionals and enthusiasts seeking authentic, high-performance components. Compatible with all Scrambler XP models within the specified production range.

View on eBay ($6.99) →
Bolt, Flange [Caliper Mounting]

The **POLARIS RZR 800 Brake Mount Bolt (Part #7518760-T039)** is an original equipment-grade replacement component designed for precise fitment on 2009 Polaris RZR 800 models. Engineered to OEM specifications, this bolt ensures secure mounting of brake hardware, maintaining optimal performance and safety.

Constructed from high-strength material, this bolt meets rigorous durability standards for off-road applications. Direct compatibility with the RZR 800’s brake system ensures seamless installation without modifications. Ideal for maintenance, repairs, or upgrades, this part adheres to Polaris’ exacting quality benchmarks.

eBay Motors Stock Available

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

Buy on eBay ($5.15)
Exact factory OEM # 5412506 may be temporarily out of stock in official store listings.
High Demand Part
Search Aftermarket / Compatible Fits

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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 # 7518863 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 →

Brakes Rear Caliper A11tn55fa — Frequently Asked Questions

What OEM parts are included in the Brakes Rear Caliper A11tn55fa for the 2011 polaris sportsman-x2-550-intl-a11tn55fa?

The Brakes Rear Caliper A11tn55fa for the 2011 polaris sportsman-x2-550-intl-a11tn55fa includes 13 individual OEM components, each listed below with its exact OEM part number.

How much does the Brakes Rear Caliper A11tn55fa cost for the 2011 polaris sportsman-x2-550-intl-a11tn55fa?

Individual components in this assembly currently range from $5.15–$239.11, based on live Amazon and eBay listings. See the price comparison below for each part.

Will these OEM parts fit other 2011 polaris sportsman-x2-550-intl-a11tn55fa 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 CALIPER DUAL INPUT,LEFT HAND [Incl All Less 13] on the 2011 polaris sportsman-x2-550-intl-a11tn55fa?

The OEM part number for the CALIPER DUAL INPUT,LEFT HAND [Incl All Less 13] (part of the Brakes Rear Caliper A11tn55fa assembly) on the 2011 polaris sportsman-x2-550-intl-a11tn55fa is 1911458.

Does OEM part 1911458 fit the 2011 polaris sportsman-x2-550-intl-a11tn55fa?

Yes — OEM 1911458 is listed as the CALIPER DUAL INPUT,LEFT HAND [Incl All Less 13] for the 2011 polaris sportsman-x2-550-intl-a11tn55fa (2011), part of the Brakes Rear Caliper A11tn55fa assembly.

Which parts are included in the Brakes Rear Caliper A11tn55fa?

CALIPER DUAL INPUT,LEFT HAND [Incl All Less 13], CALIPER DUAL INPUT,RIGHT HAND [Incl All Less 13], KIT, BRAKE PAD [Incl. 2 Pads], Piston, Brake, Step, SQUARE RING MOLDED (.134), Seal, Caliper, Inner, Seal, Caliper, Outer, BOOT PIN BUSHING, and 5 more — see the full list below.

What other vehicles use OEM part number 1911458?

OEM 1911458 (CALIPER DUAL INPUT,LEFT HAND [Incl All Less 13]) also fits 69 other vehicles in this catalog, including 2009 polaris sportsman-xp-550-intl-a09zn55fx — Brakes Rear Caliper, 2009 polaris sportsman-xp-550-intl-a09zn55fx — Brakes Rear Caliper A09zn55fx, 2009 polaris sportsman-xp-850-intl-a09zn85fl-8cfl — Brakes Rear Caliper.

Cross-Marketplace Price Tracker
Compare total assembly price across Amazon Prime vs. eBay Certified Sellers.
Amazon Est. Total
$32.85
eBay Est. Total
$495.15