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Dorman - First Stop Brake Master Cylinder P/N:M39376
$76.99
Convert firm brake-pedal effort into the hydraulic pressure that moves fluid to the brake circuits with the Dorman - First Stop Brake Master Cylinder (M39376). It drops in as a direct-fit replacement across a range of 1983-1988 GM rear-drive models, including the 1983-1987 Buick Regal, 1983-1985 Buick Riviera, 1983-1987 Chevrolet El Camino, 1983 Chevrolet Malibu, 1983-1988 Chevrolet Monte Carlo, 1983-1987 GMC Caballero, 1985-1987 Oldsmobile Cutlass, 1983-1984 Oldsmobile Cutlass Calais, 1983 Oldsmobile Cutlass Cruiser, 1983-1988 Oldsmobile Cutlass Supreme, 1983-1986 Pontiac Bonneville, and 1983-1987 Pontiac Grand Prix (All engines) — see the Buyer's Guide tab for the full list.
- Cast-iron housing: the cylinder housing is built to match the casting material of the original part for similar performance.
- Glycol-ready seals: the rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely of new materials rather than remanufactured.
- SAE-standard build: made to meet rigorous SAE International standards.
This unit ships with the reservoir included and has two outlets, with a 1/2-20 rearward outlet size. A sensor is not included, and no mounting hardware is supplied — consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China. A slowly sinking or spongy pedal, or brake-fluid loss at the master cylinder, can be signs this part may need replacing; diagnose the cause before replacing, since other brake components can produce the same symptoms.
Interchange: 18M198 · 783-36007 · 78336007 · 83-36007 · 8336007 · 83-50007 · 8350007 · M900398 · 100-2215 · 1002215 · M-82007 · M82007 · 072-8473 · 0728473 · 11926 · 13-1926 · 131926 · 10-1926 · 101926 · 130.62007 · 131.62007 · MC107050 · 355-47028 · 35547028 · 18009816 · 18011916 · 18013429 · 107050 · M1926 · NM1926 · 2539376 · MC39376 · MC39545 · F107050 · Manufacturer part number M39376.
This part cross-references / interchanges with the following part numbers:
18M198, 783-36007, 83-36007, 83-50007, M900398, 100-2215, M-82007, 072-8473, 11926, 13-1926, 10-1926, 130.62007, 131.62007, MC107050, 355-47028, 18009816, 18011916, 18013429, 107050, M1926, NM1926, 2539376, MC39376, MC39545, F107050
Frequently Asked Questions
What does this master cylinder do?
It converts brake-pedal force into hydraulic pressure that pushes brake fluid out to the brake circuits. It has two outlets and a 1/2-20 rearward outlet size.
Does it include a reservoir?
Yes, the reservoir is included. A sensor is not included, and no mounting hardware is supplied with the unit.
What is it made of?
The cylinder housing is cast iron, built to match the casting material of the original part, and the rubber components use an EPDM compound that resists glycol-based brake fluid.
Which vehicles does it fit?
It's a direct-fit replacement for 1983-1988 GM rear-drive models such as the Regal, Monte Carlo, Cutlass Supreme, Grand Prix and more (All engines). See the Buyer's Guide tab for the full list.
How do I know if my master cylinder needs replacing?
A slowly sinking or spongy pedal or fluid loss at the cylinder can be signs it may need replacing. Diagnose the cause first, since other brake parts can cause the same symptoms.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M39376
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