Dorman - First Stop Brake Master Cylinder M39233

Dorman - First Stop Brake Master Cylinder M39233 - view 2

Dorman - First Stop Brake Master Cylinder M39233 - view 3

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Dorman - First Stop Brake Master Cylinder P/N:M39233

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$125.99

MPN: M39233

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Dorman - First Stop Brake Master Cylinder P/N:M39233

$125.99

Description

Turn brake-pedal effort into the hydraulic pressure that applies your brakes with the Dorman – First Stop Brake Master Cylinder M39233. It drops in as a direct-fit replacement for the 1979-1982 Chevrolet LUV [All], engineered to reproduce the original master cylinder's design, function, and performance.

Cast-iron housing: constructed to match the casting material of the original part for similar performance.
100% new: made entirely of new materials — not remanufactured — for quality and safety.
EPDM rubber components: made from a high-quality EPDM compound to resist glycol-based brake fluid.
Built to spec: made to meet rigorous SAE International standards.

This unit has a 0.875 in bore and two outlets (M10 x 1.0, 1 mm thread pitch), and the reservoir is included. Mounting hardware is not included and no sensor is supplied — consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan. Manufacturer part number M39233.

Signs the master cylinder may need replacing include a brake pedal that slowly sinks under steady pressure, a spongy or soft pedal, or fluid loss at the cylinder. If a failed master cylinder is the cause, this replaces it; diagnose the cause first, as these signs can have other sources.

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

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

18M135, 83-10004, M900329, 100-1493, M-50004, 11817, 13-1817, 11-1817, 130.43004, MC510530, 355-47002, 94028017, 102165, M51817, NM51817, F102165, MC102165

Frequently Asked Questions

What does this brake master cylinder do?

It converts the force you apply at the brake pedal into the hydraulic pressure that operates the brake circuits.

Does it fit my vehicle?

It is a direct-fit replacement for the 1979-1982 Chevrolet LUV [All]. Check the Buyer's Guide tab to confirm your specific vehicle.

Is the reservoir included?

Yes, the reservoir is included. Mounting hardware is not included and no sensor is supplied.

What is it made of?

The cylinder housing is cast iron, constructed to match the casting material of the original part, and the rubber components use a high-quality EPDM compound.

How do I know the master cylinder needs replacing?

Signs may include a pedal that slowly sinks under steady pressure, a soft or spongy pedal, or fluid loss at the cylinder. Diagnose the cause first, as these can have other sources.