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🚗 Upgrade your brake game with precision and peace of mind!
The Dorman M39646 Brake Master Cylinder is a precision-engineered, 100% new aluminum replacement part designed to meet rigorous SAE standards. Featuring durable EPDM rubber components resistant to glycol-based brake fluid, it ensures reliable braking performance for select Chevrolet, Dodge, and GMC models from late 80s to mid-90s. Confirm exact fitment with the garage tool for a seamless upgrade that blends OEM quality with lasting safety.





| ASIN | B001PYTL28 |
| Assembly Required | No |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #119,814 in Automotive ( See Top 100 in Automotive ) #133 in Automotive Replacement Brake Hydraulic Parts |
| Brand | Dorman |
| Brand Name | Dorman |
| Customer Reviews | 4.5 out of 5 stars 342 Reviews |
| Global Trade Identification Number | 00082702399699 |
| Included Components | Main component only |
| Is Assembly Required | No |
| Item Weight | 0.01 Ounces |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | M39646 |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Model Number | M39646 |
| 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 | 1.0 Count |
R**Y
Worked great!
I installed this master cylinder in my 94, K2500. It fit perfectly and now my leak is gone.
M**R
Excellent! Perfect
Perfect! Great quality. Easy install.
R**R
perfect fit
Fit my 92 chevy 1500 just like OE for 1/2 the price
M**X
Right fit!
Works get easy to install.
D**D
Works
Works as should, but does not come with bleer tubes.
J**M
Great
Great
K**N
Good
Good
J**E
M/ cyl
No problems
D**T
Fit right on
I primed the unit then put it on then bleed the air out and it worked perfectly.
E**O
Cilindro maestro
Me gustó que es esactamente la pieza que necesitaba y la facilidad de instalación
I**G
Super recomendada
Super Buena fácil instalación y rápido siempre cuando la purgues bien. Se instalo en una c1500 del 91 Mexicana.
Trustpilot
3 weeks ago
2 weeks ago