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Select your vehicle
Vehicle Info Required to Guarantee FitAdd Vehicle

Dorman®
M21000 First Stop Series Brake Master Cylinder With Reservoir

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$62.99
$145.54Save: $82.55(57%)
Manufacturer #M21000
Vehicle Info Required to Guarantee FitAdd Vehicle
Qty:
1

Highlights

Brand:
Notes:
1 in. bore diameter; (2) 7/16-24 Rearward Outlet Size
Condition:
New
Reservoir Included:
With Reservoir
Replaces OE Number:
M900035, MC250260, F21000, F32000, MC21000, MC32000, 11121, M-82008, 130.62008, 3202152, 934122, 1472928, 1472929, 3764144, 5454400, 5454716, 5456118, 5456789, 5456809, 5459640, 5460038, 5469258, 13-32000, 10-32000, 83-36008, 83-50008
Includes:
With Cap
Quantity Sold:
Sold individually
Warranty:
Lifetime Dorman limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number:
M900035, MC250260, F21000, F32000, MC21000, MC32000, 11121, M-82008, 130.62008, 3202152, 934122, 1472928, 1472929, 3764144, 5454400, 5454716, 5456118, 5456789, 5456809, 5459640, 5460038, 5469258, 13-32000, 10-32000, 83-36008, 83-50008
Material:
Cast Iron
Outlet Quantity:
2 Outlets
Recommended Use:
OE Replacement
Series:
First Stop Series

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
1955-1957 Chevrolet One-Fifty Series
All Submodels
All Engines
Bore: 1 in.; With Manual Brakes
1955-1957 Chevrolet Two-Ten Series
All Submodels
All Engines
Bore: 1 in.; With Manual Brakes
1955-1958 Chevrolet Bel Air
All Submodels
All Engines
Bore: 1 in.; With Manual Brakes
1955-1959 Chevrolet Corvette
All Submodels
All Engines
Bore: 1 in.; With Manual Brakes
1957-1958 Chevrolet Del Ray
All Submodels
All Engines
Bore: 1 in.; With Manual Brakes
Page 1 of 6 | Showing 1 - 5 of 30 results

Product Information

DORMAN FIRST STOP OE REPLACEMENT BRAKE MASTER CYLINDERS

Replace your leaking master cylinder with Dorman’s First Stop OE replacement brake master cylinders and stomp on the brakes with renewed confidence. Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners.

  • Housing manufactured with premium cast iron or aluminum
  • Rigorously engineered to meet SAE standards
  • EPDM-based rubber components holds up against glycol-based brake fluid
  • 100% new
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Product Q&A

0
master has 2 openings can i block 1 off ?Tom E.Aug 31, 2024
Best Answer:Hi Tom, thank you for reaching out! It is not recommended to do so. Kindly call our Parts Team at 1-866-529-0412 so we can help you look for the correct one. Have a great weekend!
Andrew B.STAFFAug 31, 2024

Customer Reviews

Great, correct, part for a 1955 Chevy. Fast too!
James K.
VERIFIED PURCHASER
Purchased on Sep 03, 2023