Dorman M39646 New Brake Master Cylinder

Q: Will this fit an 1989 Silverado?

This fits the following 1989 models 1989 Chevrolet C1500 Power Brakes; GAS w/Heavy Duty Suspension; Bore: 1.125 In. and 1.5781 In. 1989 Chevrolet C2500 DIESEL Bore: 1.125 In. 1989 Chevrolet C2500 GAS 7,200 Lb. GVW; Bore: 1.125 In. and 1.5781 In. 1989 Chevrolet K1500 GAS w/Heavy Duty Suspension; Bore: 1.125 In. 1989 Chevrolet K2500 GAS 7,200 Lb. GVW; Bore: 1.125 In. and 1.5781 In. 1989 GMC C1500 Power Brakes; GAS w/Heavy Duty Suspension; Bore: 1.125 In. and 1.5781 In. 1989 GMC C2500 DIESEL Bore: 1.125 In. 1989 GMC C2500 GAS 7,200 Lb. GVW; Bore: 1.125 In. and 1.5781 In. 1989 GMC K1500 GAS w/Heavy Duty Suspension; Bore: 1.125 In. and 1.5781 In. 1989 GMC K2500 GAS 7,200 Lb. GVW; Bore: 1.125 In. and 1.5781 In

Q: Will this fit a 96 silverado?

No sorry it will not fit your vehicle.

Q: Does this come with port screws that can be used to bench bleed it?

No. Mine did not come with the screws

Q: Is this the one that will fit my 95 Silverado with 350 engine

Sorry no it doesn't fit this truck.

Product ID: 309993563

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📏Meets strict SAE International standards

🧪EPDM rubber resists glycol brake fluids

🛠️100% new materials for peak reliability

Frequently Bought Together

Dorman M39646 Brake Master Cylinder Compatible with Select Chevrolet / Dodge / GMC Models

Dorman 13911 Master Cylinder Bleeder Kit - 22 In. Hose, Clip, And Sae And Metric Fittings Universal Fit

Prestone AS401 DOT 3 Synthetic Brake Fluid - 32 oz.

Description

🚗 Upgrade your brake game with uncompromising quality!

ENGINEERED FOR ENDURANCE - High-quality EPDM rubber components resist brake fluid corrosion, ensuring long-lasting, leak-free operation.
PRECISION FIT GUARANTEED - Use our garage tool to input your vehicle’s make, model, and trim for an exact, hassle-free fit every time.
CERTIFIED SAFETY STANDARDS - Manufactured to meet rigorous SAE International specifications, so you drive with confidence.
COMPLETE READY TO INSTALL UNIT - Includes reservoirs, caps, and fluid sensors in most units—everything you need for a seamless upgrade.
PURE PERFORMANCE NO COMPROMISE - Crafted entirely from new, premium materials—never remanufactured—to guarantee maximum safety and durability.

The Dorman M39646 Brake Master Cylinder is a 100% new, precision-engineered replacement part featuring durable EPDM rubber components resistant to glycol-based brake fluids. Built to meet strict SAE International standards, it ensures a perfect fit for your vehicle when using the garage tool. This master cylinder comes mostly complete with reservoirs, caps, and fluid sensors, delivering reliable braking performance and peace of mind.

Specifications

Manufacturer	Dorman - First Stop
Brand	Dorman
Model	Dorman M39646: Brake Master Cylinder
Product Dimensions	32 x 19.81 x 13.72 cm; 0.28 g
Item model number	M39646
Manufacturer part number	M39646
OEM Part Number	10-2352; 12219; 13-2352; 130.66021; 131.66021; 174-668; 18M1746; 18M361; 2539646; 783-44021; 83-44021; F116881; M-86021; M900567; MC116881; MC39646; NM2219; 18013977; 18060086; 4746392
Item Weight	0.28 g

Have a Question? See What Others Asked

Will this fit an 1989 Silverado?

Will this fit a 96 silverado?

Does this come with port screws that can be used to bench bleed it?

Is this the one that will fit my 95 Silverado with 350 engine

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