Dorman - First Stop Brake Master Cylinder M99294
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Dorman - First Stop Brake Master Cylinder M99294
Dorman - First Stop Brake Master Cylinder M99294 - view 2
Dorman - First Stop Brake Master Cylinder M99294 - view 3
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Dorman - First Stop Brake Master Cylinder P/N:M99294

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$69.99
MPN: M99294
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M99294
Dorman - First Stop Brake Master Cylinder P/N:M99294
$69.99

Convert brake-pedal force into the hydraulic pressure that operates the brake system with the Dorman - First Stop Brake Master Cylinder M99294. It installs as a direct-fit replacement for a range of late-1970s and 1980s Chrysler, Dodge and Plymouth vehicles — including the 1979-1983 Chrysler Cordoba, 1983-1989 Chrysler Fifth Avenue, 1979-1989 Dodge Diplomat and 1980-1989 Plymouth Gran Fury (see the Buyer's Guide tab for the full list of covered applications, all listed with the "All" engine code).

Engineered to reproduce the design, function and performance of the original master cylinder, its aluminum housing is built to match the casting material of the factory part for similar performance.

  • 100% new: made entirely from new materials, not remanufactured.
  • Aluminum housing: constructed to match the casting material of the original part.
  • EPDM rubber components: a high-quality EPDM compound resists glycol-based brake fluid.
  • Built to spec: made to meet rigorous SAE International standards; 1.031 in bore with two outlets (rearward 1/2-20, secondary 9/16-20 thread).

The reservoir is included; a sensor and mounting hardware are not. Consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.

Interchange: 18M84 · 783-32028 · 78332028 · 83-32028 · 8332028 · M900245 · 100-2391 · 1002391 · M-83028 · M83028 · 11822 · 13-1822 · 131822 · 10-1822 · 101822 · 130.63028 · 131.63028 · 3766254 · 3766275 · 3880289 · 4205972 · 4318738 · MC99294 · 355-39008 · 35539008 · 99294 · M1822 · NM1822 · 2539034 · MC39034 · F99294. Manufacturer part number M99294.

This part cross-references / interchanges with the following part numbers:

18M84, 783-32028, 83-32028, M900245, 100-2391, M-83028, 11822, 13-1822, 10-1822, 130.63028, 131.63028, 3766254, 3766275, 3880289, 4205972, 4318738, MC99294, 355-39008, 99294, M1822, NM1822, 2539034, MC39034, F99294

Frequently Asked Questions

What does this master cylinder do?

It converts the force from your brake pedal into the hydraulic pressure that operates the vehicle's brake system through its two outlets.

Will this fit my vehicle?

It is a direct-fit replacement for the listed Chrysler, Dodge and Plymouth applications, all shown with the "All" engine code. Check the Buyer's Guide tab to confirm your year, make and model.

Does it include a reservoir?

Yes, the reservoir is included. A sensor and mounting hardware are not included, so plan to transfer or source those separately as directed by the service procedure.

Is this unit new or remanufactured?

It is 100% new, made entirely from new materials rather than remanufactured, and its rubber components use a high-quality EPDM compound that resists glycol-based brake fluid.

What are signs the master cylinder may need replacing?

Signs it may need replacing include a pedal that slowly sinks to the floor, a spongy pedal, or brake fluid loss. Have the system diagnosed first, since these symptoms can have other causes.

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