55997YNQK DORMAN Post Office Drum Brake Master Cylinder Wheel

Review DORMAN For Post Office Drum Brake Wheel Cylinder Repair Kit

Dorman 55997YNQK M800 Post Office Drum Brake Wheel Cylinder Repair Kit

The Dorman 55997YNQK is a M800 Post Office Drum Brake Wheel Cylinder Repair Kit designed to help restore the braking efficiency of your vehicle. This repair kit is specifically engineered for M800 Post Office mail trucks and comes with all the necessary components to repair or replace your worn-out wheel cylinder.

The kit includes two wheel cylinders, each complete with a piston, a brake shoe return spring, and a bleeder screw. The wheel cylinders are precision-engineered to provide consistent braking performance and are manufactured to meet or exceed OE specifications. The pistons are made from high-quality materials that resist wear and tear, ensuring a long service life.

The brake shoe return springs help maintain the proper position of the brake shoes when the brakes are not applied, allowing the wheels to rotate freely. The bleeder screws enable easy bleeding of the brake system, ensuring air bubbles are removed, and the fluid is evenly distributed throughout the system for optimal braking performance.

Installation of the Dorman 55997YNQK M800 Post Office Drum Brake Wheel Cylinder Repair Kit is straightforward. The kit comes with clear and concise installation instructions to guide you through the process, making it a suitable option for both professional mechanics and DIY enthusiasts.

In conclusion, the Dorman 55997YNQK M800 Post Office Drum Brake Wheel Cylinder Repair Kit offers a cost-effective solution to repair or replace worn-out wheel cylinders in your M800 Post Office mail truck. Each component in the kit is precisely engineered to meet OE specifications, ensuring consistent braking performance and reliable operation. With its ease of installation and high-quality components, this repair kit is an excellent choice for those seeking to maintain the safety and efficiency of their M800 Post Office mail truck.

Dorman 55997YNQK M800 Post Office Drum Brake Wheel Cylinder Repair Kit: A Comprehensive Analysis

The Dorman 55997YNQK M800 Post Office Drum Brake Wheel Cylinder Repair Kit is a popular solution for those looking to repair their drum brake system. In this analysis, we will discuss the key features, advantages, and disadvantages of this repair kit.

1. Includes a pair of wheel cylinders, front and rear brake shoes, and hardware for a complete brake repair.

2. Designed specifically for M800 Post Office vehicles.

3. OE-style construction for reliable performance.

1. Cost-effective: Buying a repair kit instead of individual components or a new drum assembly can save significant money.

2. Easy installation: The repair kit includes all necessary hardware, making the installation process more straightforward and time-saving.

3. OE-quality: Dorman is known for producing high-quality, OE-style components, ensuring a reliable repair.

1. Potential for minor adjustments: Depending on the condition of the brake components, some minor adjustments may be required during or after installation.

2. Limited compatibility: The kit is specifically designed for M800 Post Office vehicles; it may not be suitable for other makes or models.

The Dorman 55997YNQK M800 Post Office Drum Brake Wheel Cylinder Repair Kit is an excellent choice for those seeking a cost-effective and reliable solution for repairing their drum brake system on their M800 Post Office vehicle. Its OE-style construction and inclusion of all necessary hardware make the installation process more straightforward, ultimately saving time and money. Despite the potential need for minor adjustments, the advantages of this repair kit far outweigh the disadvantages.

If you own an M800 Post Office vehicle and require a drum brake repair, the Dorman 55997YNQK M800 Post Office Drum Brake Wheel Cylinder Repair Kit is a solid investment. Its cost-effectiveness, easy installation, and OE-quality make it a top choice for those looking to restore the performance of their brake system.

Details:

Parts geek - for M800 post office drum brake wheel cylinder repair kit Dorman 55997YNQK: review fitment notes to ensure proper fit position: front condition: new brand: notes: bore: 1.125 in. Bleeder screw included: no dust boots yes mounting hardware package contents: includes and seals wheel cylinder cups features: direct replacement - the components in this drum brake wheel cylinder kit are designed to match original parts required repair on specified vehicles. Trustworthy quality - backed by team of product experts in the USA and more than a century automotive experience. Ideal solution - this kit is a reliable replacement for original components that have failed due to wear.

Durable construction - this kit is made from quality components to ensure reliable performance and a long service life.

specifications wheellinders:

• brand: Dorman
• mpn: 55997ynqk
• part type: Brake Cylinder Wheel
• placement on vehicle: Front
• manufacturer warranty: 12 Month Warranty
• notes: Drum Brake Wheel Cylinder Kit Bore
• years: 1969 1970 1971 1972
• application: International M800 Post Office
• product name 2: Drum Brake Wheel Cylinder Kit
• cs-sku: 400

payments wheellinders:

• other
• credit card: discover
• wallet: apple-pay

returns wheellinders:

• time: 30 days
• paid by: seller
• policy: returns accepted

shipping wheellinders:

• service: fedex ground / fedex home delivery
• class: standard
• type: fixed
• carrier: fedex
• transit: 3-7 days

general wheellinders:

• category: Auto Parts > Car Truck Accessories > Brakes > Wheel Cylinders

seller wheellinders:

• rating: 98.8%
• # reviews: 329491
• city: plainville, massachusetts

offer wheellinders:

• started: april 21, 2026
• sold #: 9
• in stock #: 5
• prices: $12.50–$61.24
• item condition:
  • New
  • New other (see details)
• options: ship-to-home
• availability: in stock