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🚗 Stop with Confidence — Master Your Ride’s Safety!
The Dorman M39646 Brake Master Cylinder is a precision replacement part engineered from durable aluminum and high-grade EPDM rubber to match original equipment performance. Designed specifically for select Chevrolet, Dodge, and GMC models from late 80s to mid-90s, it guarantees exact fitment and meets strict SAE standards. Backed by a limited lifetime warranty, this 100% new master cylinder ensures reliable braking and peace of mind for discerning drivers.





| ASIN | B001PYTL28 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #60,969 in Automotive ( See Top 100 in Automotive ) #6 in Automobile Brake Primary Cylinders #54 in Automotive Replacement Brake Hydraulic Parts |
| Brand | Dorman |
| Brand Name | Dorman |
| Customer Reviews | 4.5 out of 5 stars 352 Reviews |
| Global Trade Identification Number | 00082702399699 |
| Included Components | Main component only |
| Item Highlight | Fits Select Chevrolet / Dodge / GMC Models |
| Item Weight | 0.27 g |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | M39646 |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Model Number | M39646 |
| Number of Items | 1 |
| 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 |
| Part Interchange Info | 4746392, 18013977, 18060086 |
| UPC | 082702399699 |
| Unit Count | 1 Count |
J**Y
No issues
This fit perfect in my 1992 Chevy. Easy install. No issues.
R**Y
Worked great!
I installed this master cylinder in my 94, K2500. It fit perfectly and now my leak is gone.
T**C
Master Cylinder
Works great fits as should no issues
B**R
Prompt delivery/Great price!
I appreciate a great deal as, I am poor. Thanks for the prompt delivery, and great price! I wish that I had a catalog. Thank you brian.
M**X
Right fit!
Works get easy to install.
D**Z
No more leaks
Arrived without any damage. Quick & easy install on 92 full size blazer.
D**W
Here is a better option 1992 Silverado
I have a 1992 Silverado, this is an exact fit, however, You are better off replacing with (ACDelco Professional 18M1159 Brake Master Cylinder). There are several youtube videos on this as well as changing the rear drum brakes to disk. modification this brake master cylinder
R**R
perfect fit
Fit my 92 chevy 1500 just like OE for 1/2 the price
D**T
Fit right on
I primed the unit then put it on then bleed the air out and it worked perfectly.
I**G
Super recomendada
Super Buena fácil instalación y rápido siempre cuando la purgues bien. Se instalo en una c1500 del 91 Mexicana.
Trustpilot
2 weeks ago
2 weeks ago