Dorman - First Stop Brake Master Cylinder
Dorman - First Stop Brake Master Cylinder - view 2
Dorman - First Stop Brake Master Cylinder
Dorman - First Stop Brake Master Cylinder - view 2

Dorman - First Stop Brake Master Cylinder P/N:M73333

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$126.99
MPN: M73333
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M73333
Dorman - First Stop Brake Master Cylinder P/N:M73333
$126.99

Turn every press of the brake pedal into the hydraulic pressure your brakes rely on with the Dorman - First Stop Brake Master Cylinder M73333. A master cylinder converts pedal force into the fluid pressure that operates the vehicle's braking system, and this unit is built to reproduce the original master cylinder's design, function, and performance on the listed applications. It fits the 1967-1970 AMC Ambassador, 1968 AMC American, 1968-1970 AMC AMX, 1968-1974 AMC Javelin, 1968-1970 AMC Rebel, 1970-1976 AMC Hornet, 1972-1976 AMC Gremlin, and 1975-1976 AMC Pacer (all engines; one per vehicle).

  • Precise replacement: the cast-iron cylinder housing is made to match the casting material of the original part for similar performance.
  • Durable design: the rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
  • 100% new: made entirely of new materials, not remanufactured.
  • Built to spec: manufactured to meet rigorous SAE International standards, with a 1-inch bore, two outlets, and a 1/2-20 secondary outlet thread.

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

Interchange: 18M29 · 83-32011 · 8332011 · 83-32026 · 8332026 · M900159 · 100-2376 · 1002376 · M-83011 · M83011 · 11384 · 13-1384 · 131384 · 10-1384 · 101384 · 130.63011 · 4485577 · J8126721 · MC512110 · 355-66000 · 35566000 · 73333 · M1383 · M1384 · MC36386 · MC39024 · F73333 · MC73333. Manufacturer part number M73333.

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

18M29, 83-32011, 83-32026, M900159, 100-2376, M-83011, 11384, 13-1384, 10-1384, 130.63011, 4485577, J8126721, MC512110, 355-66000, 73333, M1383, M1384, MC36386, MC39024, F73333, MC73333

Frequently Asked Questions

What does this brake master cylinder do?

It converts the force from your brake pedal into hydraulic pressure that operates the vehicle's brakes, distributing that pressure through its two outlets to the brake circuits.

Which vehicles does the M73333 fit?

It's a direct-fit replacement for eight AMC models built 1967-1976, including the Ambassador, American, AMX, Javelin, Rebel, Hornet, Gremlin, and Pacer (all engines). See the Buyer's Guide tab for exact year ranges.

Does it come with a reservoir, sensor, or mounting hardware?

The reservoir is included. A fluid-level sensor is not included, and mounting hardware is not included.

What is the M73333 made of?

It has a cast-iron cylinder housing made to match the casting material of the original part, with EPDM rubber components that resist glycol-based brake fluid.

Is this master cylinder new or remanufactured?

It is 100% new, made entirely of new materials rather than remanufactured, and built to meet rigorous SAE International standards.

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