DOR100MAS20251120-20 DORMAN FIRST STOP Rear Left Right Drum

Review DORMAN FIRST STOP Rear Left Right Drum Brake Wheel Cylinder For Amc 3.8l for AMC HORNET 1977

Introducing the Dorman First front DOR100MAS20251120-20 Rear Left/Right Drum Brake Wheel Cylinder, specifically designed for the 1977 AMC Hornet with a 3.8L engine. This essential brake component is engineered to deliver reliable and efficient braking performance, ensuring your safety on the road.

The wheel cylinder is a critical part of the drum brake system. It converts the linear force of the brake piston into the rotational force required to activate the brake shoes and drums. This Dorman part is manufactured to exacting specifications, ensuring a perfect fit and function in your vehicle.

Constructed from high-quality materials, this wheel cylinder is built to withstand the rigors of daily driving. It features a durable, corrosion-resistant finish that protects against the elements, extending the life of the part. The cylinder is filled with a premium brake fluid that provides excellent sealing and lubrication properties.

Installing this wheel cylinder is a straightforward process. It comes complete with all necessary hardware, making it a true plug-and-play solution. Simply remove the old wheel cylinder, install the new one, and bleed the brake system to ensure proper function.

Dorman Products is a leading supplier of OE-quality replacement parts. Their commitment to quality, fit, and function is evident in this First brand product. By choosing the Dorman First DOR100MAS20251120-20 Rear Left/Right Drum Brake Wheel Cylinder, you are ensuring the safety and reliability of your 1977 AMC Hornet 3.8L.

Dorman DOR100MAS20251120-20 Rear Drum Brake Wheel Cylinder for 1977 AMC Hornet 3.8L: A Comprehensive Analysis

The Dorman DOR100MAS20251120-20 Rear Drum Brake Wheel Cylinder is designed to fit 1977 AMC Hornet 3.8L vehicles. This component is crucial for the proper functioning of the rear drum brake system. In this analysis, we will discuss the pros and cons of purchasing this wheel cylinder from Dorman.

1. OEM-equivalent quality: Dorman is known for manufacturing high-quality aftermarket parts, and this wheel cylinder is no exception. It is engineered to meet or exceed the original equipment specifications.

2. Affordable: Compared to the cost of OEM parts, the Dorman wheel cylinder is a more affordable option for car owners.

3. Easy installation: According to customer reviews, the Dorman wheel cylinder is relatively easy to install, often taking less than an hour.

4. Availability: Dorman is a well-established aftermarket parts manufacturer, and their products are widely available at various retailers and auto parts stores.

5. Backed by a warranty: Dorman offers a limited lifetime warranty on this wheel cylinder, ensuring peace of mind for the customer.

1. Potential fitment issues: Although Dorman makes every effort to ensure a perfect fit, there have been reports of minor fitment issues with some applications.

2. Requires bleeding: As with any new brake component, the wheel cylinder will need to be bled to remove any air bubbles, ensuring proper brake function.

3. May not be suitable for heavy-duty use: Some customers have reported that the Dorman wheel cylinder may not hold up as well as OEM parts in heavy-duty applications.

The Dorman DOR100MAS20251120-20 Rear Drum Brake Wheel Cylinder for 1977 AMC Hornet 3.8L offers a balance of affordability, ease of installation, and OEM-equivalent quality. However, potential fitment issues and the requirement for bleeding are important considerations. Ultimately, if you are looking for an affordable alternative to OEM parts and are comfortable with the potential cons, the Dorman wheel cylinder is a solid choice.

If you are in need of a rear drum brake wheel cylinder for your 1977 AMC Hornet 3.8L and are looking for an affordable, reliable alternative to OEM parts, the Dorman DOR100MAS20251120-20 is a good option to consider. Just keep in mind that you may encounter minor fitment issues and will need to bleed the brakes after installation.

Details:

1966-1973 ford bronco bore: 13/16 in. All warranty/return items must accompany by a return approval ra note. Dorman rear left right drum brake wheel cylinder for 1977 Amc Hornet 3.8l, item specifics: bore size: 0.813 in. 1961-1967 ford econoline bore: 13/16 in.

New list item. 1974-1975 ford bronco bore: 13/16 in.-3,300 lb.

specifications wheellinders:

• for models: Hornet
• for makes: Amc
• brand: Dorman First Stop
• mpn: Dor100mas20251120-20
• part type: Brake Cylinder Wheel Stop
• bore size: 0.813 In.
• brake component inlet thread size: 3/8-24
• category: Wheel Cylinders Parts
• fitment 1: For 1979 Amc Amx
• fitment 10: For 1978-1983 Ford Fairmont
• fitment 11: For 1981 1982 Ford Granada
• fitment 12: For 1983-1986 Ford Ltd
• fitment 2: For 1978 1979 Amc Concord
• fitment 3: For 1977 1978 Amc Gremlin
• fitment 4: For 1977 Amc Hornet
• fitment 5: For 1977-1980 Amc Pacer
• fitment 6: For 1979 1980 Amc Spirit
• fitment 7: For 1966-1975 Ford Bronco
• fitment 8: For 1969-1973 Ford E-100 Econoline
• fitment 9: For 1961-1967 Ford Econoline
• package included: 2 Rear Left Rear Right Drum Brake Wheel Cylinder
• placement on vehicle: Rear Left Rear Right

general wheellinders:

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

shipping wheellinders:

• type: fixed
• transit: 3-7 days
• class: standard
• service: standard

seller wheellinders:

• rating: 98.2%
• # reviews: 253
• city: us

returns wheellinders:

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

payments wheellinders:

• other
• wallet: google-pay
• credit card: mastercard

offer wheellinders:

• in stock #: 5
• availability: in stock
• prices: $20.74–$24.61
• item condition: New
• started: november 25, 2025
• sold #: 25
• options: ship-to-home