Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Please, add your first item to the wishlist

Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!

Please, add your first item to the wishlist

Select vehicle to confirm fitment

Brake Master Cylinder

PART#: M39531
Dorman - First Stop

$41.95

In stock

Interchanges
BrandPart #
ACDelco18M287
AimcoM900493
Bendix12162
CARDONE New13-1907 / 131907
CARDONE Reman10-1907 / 101907
Centric Parts130.61043 / 13061043
Coni-SealMC112311
DFC Brake Master Cylinders - Archived355-54035 / 35554035
FordE4DZ2140A
Lusac112311
Raybestos Brakes2539531
Raybestos BrakesMC39531
Wagner BrakeF112311
Wagner BrakeMC112311
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1986FordLTDCrown Victoria LX5.8V8GASN/ABore: 21 mm | RWD;
1986FordLTDBase2.3L4GASN/ABore: 21 mm | RWD;
1986FordLTDBrougham3.8V6GASN/ABore: 21 mm | RWD;
1986FordLTDBase3.8V6GASN/ABore: 21 mm | RWD;
1986FordLTDCountry Squire5.8V8GASN/ABore: 21 mm | RWD;
1986FordLTDCrown Victoria5.0V8GASN/ABore: 21 mm | RWD;
1986FordLTDCountry Squire LX5.0V8GASN/ABore: 21 mm | RWD;
1986FordLTDCountry Squire5.0V8GASN/ABore: 21 mm | RWD;
1986FordLTDCrown Victoria5.8V8GASN/ABore: 21 mm | RWD;
1986FordLTDCrown Victoria LX5.0V8GASN/ABore: 21 mm | RWD;
1986FordLTDBrougham2.3L4GASN/ABore: 21 mm | RWD;
1986FordLTDCountry Squire LX5.8V8GASN/ABore: 21 mm | RWD;
1986FordMustangLX2.3L4GASN/ABore: 21 mm | RWD;
1986FordMustangGT5.0V8GASN/ABore: 21 mm | RWD;
1986FordMustangLX5.0V8GASN/ABore: 21 mm | RWD;
1986FordMustangLX3.8V6GASN/ABore: 21 mm | RWD;
1986FordThunderbirdSport3.8V6GASN/ABore: 21 mm | RWD;
1986FordThunderbirdBase5.0V8GASN/ABore: 21 mm | RWD;
1986FordThunderbirdTurbo2.3L4GASN/ABore: 21 mm | RWD;
1986FordThunderbirdElan3.8V6GASN/ABore: 21 mm | RWD;
1986FordThunderbirdLX3.8V6GASN/ABore: 21 mm | RWD;
1986FordThunderbirdBase3.8V6GASN/ABore: 21 mm | RWD;
1986FordThunderbirdSport5.0V8GASN/ABore: 21 mm | RWD;
1986FordThunderbirdLX5.0V8GASN/ABore: 21 mm | RWD;
1986FordThunderbirdElan5.0V8GASN/ABore: 21 mm | RWD;
1986MercuryCapriGS3.8V6GASN/ABore: 21 mm | RWD;
1986MercuryCapriGS2.3L4GASN/ABore: 21 mm | RWD;
1986MercuryCapri5.05.0V8GASN/ABore: 21 mm | RWD;
1986MercuryCougarBase5.0V8GASN/ABore: 21 mm | RWD;
1986MercuryCougarBase3.8V6GASN/ABore: 21 mm | RWD;
1986MercuryCougarLS3.8V6GASN/ABore: 21 mm | RWD;
1986MercuryCougarXR-72.3L4GASN/ABore: 21 mm | RWD;
1986MercuryCougarLS5.0V8GASN/ABore: 21 mm | RWD;
1986MercuryMarquisBrougham2.3L4GASN/ABore: 21 mm | RWD;
1986MercuryMarquisBase2.3L4GASN/ABore: 21 mm | RWD;
1986MercuryMarquisBase3.8V6GASN/ABore: 21 mm | RWD;
1986MercuryMarquisBrougham3.8V6GASN/ABore: 21 mm | RWD;
1985FordLTDBrougham2.3L4GASN/ABore: 21 mm | RWD;
1985FordLTDBrougham2.3L4LPGN/ABore: 21 mm | RWD;
1985FordLTDBase2.3L4GASN/ABore: 21 mm | RWD;
1985FordLTDLX Brougham5.0V8GASN/ABore: 21 mm | RWD;
1985FordLTDBase3.8V6GASN/ABore: 21 mm | RWD;
1985FordLTDBrougham5.0V8GASN/ABore: 21 mm | RWD;
1985FordLTDCrown Victoria5.8V8GASN/ABore: 21 mm | RWD;
1985FordLTDBrougham3.8V6GASN/ABore: 21 mm | RWD;
1985FordLTDBase5.0V8GASN/ABore: 21 mm | RWD;
1985FordLTDBase2.3L4LPGN/ABore: 21 mm | RWD;
1985FordLTDCountry Squire5.0V8GASN/ABore: 21 mm | RWD;
1985FordLTDCrown Victoria5.0V8GASN/ABore: 21 mm | RWD;
1985FordLTDCountry Squire5.8V8GASN/ABore: 21 mm | RWD;
1985FordMustangLX5.0V8GASN/ABore: 21 mm | RWD;
1985FordMustangGT5.0V8GASN/ABore: 21 mm | RWD;
1985FordMustangLX3.8V6GASN/ABore: 21 mm | RWD;
1985FordMustangLX2.3L4GASN/ABore: 21 mm | RWD;
1985FordThunderbirdTurbo2.3L4GASN/ABore: 21 mm | RWD;
1985FordThunderbirdBase5.0V8GASN/ABore: 21 mm | RWD;
1985FordThunderbirdSport3.8V6GASN/ABore: 21 mm | RWD;
1985FordThunderbirdFila3.8V6GASN/ABore: 21 mm | RWD;
1985FordThunderbirdBase3.8V6GASN/ABore: 21 mm | RWD;
1985FordThunderbirdSport5.0V8GASN/ABore: 21 mm | RWD;
1985FordThunderbirdElan5.0V8GASN/ABore: 21 mm | RWD;
1985FordThunderbirdLX5.0V8GASN/ABore: 21 mm | RWD;
1985FordThunderbirdElan3.8V6GASN/ABore: 21 mm | RWD;
1985FordThunderbirdLX3.8V6GASN/ABore: 21 mm | RWD;
1985FordThunderbirdFila5.0V8GASN/ABore: 21 mm | RWD;
1985MercuryCapriGS2.3L4GASN/ABore: 21 mm | RWD;
1985MercuryCapriGS3.8V6GASN/ABore: 21 mm | RWD;
1985MercuryCapriRS5.0V8GASN/ABore: 21 mm | RWD;
1985MercuryCougarLS3.8V6GASN/ABore: 21 mm | RWD;
1985MercuryCougarXR-72.3L4GASN/ABore: 21 mm | RWD;
1985MercuryCougarBase3.8V6GASN/ABore: 21 mm | RWD;
1985MercuryCougarBase5.0V8GASN/ABore: 21 mm | RWD;
1985MercuryCougarLS5.0V8GASN/ABore: 21 mm | RWD;
1985MercuryMarquisBase3.8V6GASN/ABore: 21 mm | RWD;
1985MercuryMarquisBrougham2.3L4GASN/ABore: 21 mm | RWD;
1985MercuryMarquisBase2.3L4GASN/ABore: 21 mm | RWD;
1985MercuryMarquisBrougham3.8V6GASN/ABore: 21 mm | RWD;
1984FordLTDBrougham2.3L4LPGN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDBase3.8V6GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDBase2.3L4GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDCountry Squire5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDBase2.3L4LPGN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDBase5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDBrougham5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDBrougham3.8V6GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDCrown Victoria5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDCrown Victoria5.8V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDBrougham2.3L4GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordLTDCountry Squire5.8V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordMustangGT2.3L4GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordMustangGT-350 20th Anniversary5.0V8GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordMustangGT5.0V8GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordMustangL5.0V8GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordMustangLX5.0V8GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordMustangL3.8V6GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordMustangLX2.3L4GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordMustangL2.3L4GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordMustangLX3.8V6GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordMustangGT-350 20th Anniversary2.3L4GASN/ABore: 21 mm; From 1/84 | RWD;
1984FordThunderbirdSport3.8V6GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdTurbo2.3L4GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdSport5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdLX3.8V6GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdBase5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdElan3.8V6GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdBase3.8V6GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdFila5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdElan5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdLX5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984FordThunderbirdFila3.8V6GASN/ABore: 21 mm; From 12/83 | RWD;
1984MercuryCapriRS Turbo2.3L4GASN/ABore: 21 mm; From 1/84 | RWD;
1984MercuryCapriGS3.8V6GASN/ABore: 21 mm; From 1/84 | RWD;
1984MercuryCapriGS2.3L4GASN/ABore: 21 mm; From 1/84 | RWD;
1984MercuryCapriRS5.0V8GASN/ABore: 21 mm; From 1/84 | RWD;
1984MercuryGrand MarquisLS5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984MercuryGrand MarquisBase5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984MercuryGrand MarquisColony Park5.0V8GASN/ABore: 21 mm; From 12/83 | RWD;
1984MercuryCougarBase5.0V8GASN/ABore: 21 mm; From 1/84 | RWD;
1984MercuryCougarLS3.8V6GASN/ABore: 21 mm; From 1/84 | RWD;
1984MercuryCougarBase3.8V6GASN/ABore: 21 mm; From 1/84 | RWD;
1984MercuryCougarXR-72.3L4GASN/ABore: 21 mm; From 1/84 | RWD;
1984MercuryCougarLS5.0V8GASN/ABore: 21 mm; From 1/84 | RWD;
1984MercuryMarquisBase3.8V6GASN/AFrom 12/83 | RWD;
1984MercuryMarquisBase2.3L4GASN/AFrom 12/83 | RWD;
1984MercuryMarquisBase2.3L4LPGN/AFrom 12/83 | RWD;
1984MercuryMarquisBrougham2.3L4GASN/AFrom 12/83 | RWD;
1984MercuryMarquisBrougham3.8V6GASN/AFrom 12/83 | RWD;
Specifications
Contenidos del paqueteCilindro maestro
Master Cylinder Bore Diameter21
Master Cylinder MaterialCast Iron
Master Cylinder MaterialHierro fundido
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet Size1/2-20
Reservoir IncludedOui
Reservoir IncludedS+¡
Reservoir IncludedYes
Sensor IncludedNo
Sensor IncludedNon
Tama+¦o de la salida trasera1/2-20
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

Free shipping Icon

FREE SHIPPING

Available on all kits, sets & Bison performance products