Turn every press of the brake pedal into hydraulic braking pressure with the Dorman First Stop Brake Master Cylinder M98894. It is a direct-fit replacement for many Dodge and Plymouth trucks, vans and SUVs, among them the 1979-1993 Dodge D150 and the 1979-1993 Dodge Ramcharger.
- Precise replacement: Precision-engineered to match the original master cylinder's design, function and performance. The cast iron cylinder housing is built to match the original part's casting material for similar performance.
- Durable design: Every rubber component is made from a high-quality EPDM compound that resists glycol-based brake fluid.
- 100% new: Built entirely from new, high-quality materials with quality and safety in mind.
- Strict specifications: Made to meet rigorous SAE International standards.
Specifications: 1.125 in bore diameter with two outlets. The rearward outlet size is 9/16-20 and the secondary outlet thread is 1/2-20. The reservoir is included. Mounting hardware and a sensor are not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. The package contains one master cylinder. Country of origin: China.
Signs this part may need replacing: a soft or sinking brake pedal, brake fluid leaking around the master cylinder, or a falling reservoir level. Other brake components can cause similar symptoms, so diagnose the system before you replace this part. Bleed the brakes after installation as directed by the vehicle service procedure.
The listed applications use one master cylinder. See the "Vehicles it fits" section for the full list of Dodge and Plymouth models it fits.
Frequently Asked Questions
Does the Dorman M98894 master cylinder come with a reservoir?
Yes, the reservoir is included. Mounting hardware and a sensor are not included, so check the vehicle service information for the correct fasteners.
Which vehicles does M98894 fit?
It fits many Dodge and Plymouth models, including the 1979-1993 Dodge D150 and the 1979-1993 Dodge Ramcharger. See the "Vehicles it fits" section for the full list.
What are the key specifications of this master cylinder?
It has a cast iron housing, a 1.125 in bore and two outlets. The rearward outlet size is 9/16-20 and the secondary outlet thread is 1/2-20.
What brake fluid are the rubber components designed to resist?
All rubber components are made of a high-quality EPDM compound that resists glycol-based brake fluid. Use the brake fluid type specified for your vehicle.
What are signs a brake master cylinder may need replacing?
A soft or sinking pedal, fluid leaking around the master cylinder, or a falling reservoir level can be signs. Other brake parts can cause similar symptoms, so diagnose the system first.
