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

Will this fit a 96 silverado?

No sorry it will not fit your vehicle.

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

No. Mine did not come with the screws

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

Sorry no it doesn't fit this truck.

Dorman M39646 New Brake Master Cylinder

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Description

🚗 Upgrade your brake game with confidence—new, complete, and ready to roll!

MADE IN THE USA - Crafted domestically for trusted quality and durability
ALL IN ONE READY - Comes complete with reservoirs, caps, and fluid sensors—no extra parts needed
OEM COMPATIBILITY - Fits a wide range of models with multiple OEM part numbers covered
FRESH OFF THE LINE - Guaranteed new, never remanufactured for peak reliability
PLUG PLAY INSTALLATION - No assembly required, get back on the road faster

The Dorman M39646 Brake Master Cylinder is a brand-new, direct replacement part designed for seamless fit and function. It includes essential reservoirs, caps, and fluid sensors, eliminating the need for additional purchases. Manufactured in the USA, this unit supports multiple OEM part numbers and requires no assembly, making it an ideal choice for professionals seeking reliable, hassle-free brake system upgrades.

Specifications

ASIN	B001PYTL28
Assembly Required	No
Brand	Dorman
Brand Name	Dorman
Country of Origin	USA
Customer Reviews	4.6 out of 5 stars 336 Reviews
Global Trade Identification Number	00082702399699
Is Assembly Required	No
Item Type Name	Dorman - NEW MASTER CYLINDER
Item Weight	0.01 Ounces
Manufacturer	Dorman - First Stop
Manufacturer Part Number	M39646
Model	M39646
Net Quantity	1.0 Count
OEM Equivalent 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
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 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 See more
UPC	082702399699
Unit Count	1.0 Count
What Is In the Box	Main component only

Reviews

D**T

Fit right on

I primed the unit then put it on then bleed the air out and it worked perfectly.

24.08.2024

E**O

Cilindro maestro

Me gustó que es esactamente la pieza que necesitaba y la facilidad de instalación

1.10.2024

R**Y

Worked great!

I installed this master cylinder in my 94, K2500. It fit perfectly and now my leak is gone.

30.03.2026

I**G

Super recomendada

Super Buena fácil instalación y rápido siempre cuando la purgues bien. Se instalo en una c1500 del 91 Mexicana.

7.08.2023

M**R

Excellent! Perfect

Perfect! Great quality. Easy install.

28.12.2025

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TrustScore 4.5 | 7,300+ reviews

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