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Dorman 42069 Brake Master Cylinder Reservoir Cap GasketOE Quality 60-Day Returns
Part #: 42069

Dorman 42069 Brake Master Cylinder Reservoir Cap Gasket

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149 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Mercury, and Lincoln, Escort, Mustang, Thunderbird, Capri, Cougar, Marquis, Lynx, EXP, Fairmont, LN7, Zephyr, Granada, Pinto, Bobcat, Monarch, Mustang II, Maverick, Comet, F-100, F-150, Bronco, F-250, F-350, Country Sedan, Country Squire, Custom, Custom 500, Galaxie 500, LTD, Continental, Colony Park, Monterey, Ranch Wagon, Ranchero, Torino, Mark III, Cyclone, Montego, Fairlane, Falcon, Marauder, E-100 Econoline, E-200 Econoline, E-300 Econoline, Commuter, Montclair, Park Lane, and Galaxie
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Not what you need? See all Brake Master Cylinder Reservoir Cap Gasket options

Brake Master Cylinder Reservoir Cap Gasket for Ford and Mercury

This Dorman brake master cylinder reservoir cap gasket is a direct-fit replacement for select Ford, Lincoln, and Mercury vehicles. Built from rubber, it matches the original gasket’s fit and function to help maintain a proper seal at the master cylinder reservoir cap.

Key Features

  • Rubber construction for sealing performance and durability
  • OE-style replacement for the brake master cylinder reservoir cap gasket
  • Engineered to match original fit and function on specified vehicles
  • Fits a wide range of classic Ford Mustang, Ford Bronco, and Mercury Cougar applications
  • Part number 42069 for easy identification

Detailed Description

Dorman 42069 is a brake master cylinder reservoir cap gasket designed for select Ford, Lincoln, and Mercury brake systems. It is shaped to match the original gasket used on specified vehicles, helping the reservoir cap seal correctly against the master cylinder. This replacement is relevant for owners servicing classic Ford Mustang, Ford Bronco, Ford Thunderbird, and Mercury Cougar brake components where a proper reservoir seal is needed. This part cross-references C7AZ-2167-B for the same application.

What This Part Helps Address

  • Brake fluid seepage around the master cylinder reservoir cap
  • Loss of sealing at the reservoir cap gasket
  • Cracked, hardened, or deteriorated original rubber gasket material
  • Service issues on older Ford Mustang, Ford Thunderbird, and Mercury Cougar brake systems
  • Replacement needs during master cylinder maintenance or brake system repair

Installation Notes and Tips

Verify the master cylinder reservoir cap style and vehicle application before installation. Clean the sealing surfaces thoroughly so the new gasket seats evenly. Confirm fitment for the exact year, make, model, and brake configuration, including notes such as manual brakes, front disc brakes, or caliper type where listed. Compatible applications include Fits 1986-1990 Ford Escort, w/Manual Brakes; Fits 1979-1986 Ford Mustang; Fits 1967-1971 Ford Mustang, Front Disc Brakes; Fits 1967-1961 Ford LTD, Front Disc Brakes; and Fits 1967-1971 Mercury Cougar, Front Disc Brakes.

Quality Assurance

Dorman designs this gasket to match the fit and function of the original part on specified vehicles. The rubber material is selected for sealing performance in brake master cylinder reservoir applications, and the part is backed by Dorman’s OE-style replacement approach for serviceable brake system repairs.

BrandDorman
Part Number42069
MaterialRubber
Package Contents1 Master Cylinder Gasket

This part fits 149 vehicles. Search below:

YearMakeModelSubmodelDrive TypePositionNotes
1990FordEscortN/Aw/Manual Brakes
1989FordEscortN/Aw/Manual Brakes
1988FordEscortN/Aw/Manual Brakes
1987FordEscortN/Aw/Manual Brakes
1986FordEscortN/Aw/Manual Brakes
1986FordMustangLXN/A
1986FordMustangGTN/A
1986FordThunderbirdN/A
1986MercuryCapriN/A
1986MercuryCougarN/A
1986MercuryMarquisN/A
1985FordEscortN/A
1985FordMustangLXN/A
1985FordMustangGTN/A
1985FordThunderbirdN/A
1985MercuryCapriN/A
1985MercuryCougarN/A
1985MercuryLynxN/A
1985MercuryMarquisN/A
1984FordEscortN/A
1984FordMustangLN/A
1984FordMustangLXN/A
1984FordMustangGTN/A
1984FordMustangGT-350 20th AnniversaryN/A
1984FordThunderbirdN/A
1984MercuryCapriN/A
1984MercuryCougarN/A
1984MercuryLynxN/A
1984MercuryMarquisN/A
1983FordEscortN/A
1983FordFairmontN/A
1983FordMustangN/A
1983FordThunderbirdN/A
1983MercuryCapriN/A
1983MercuryCougarN/A
1983MercuryLN7N/ATo 2/83
1983MercuryLynxN/A
1983MercuryMarquisN/A
1983MercuryZephyrN/A
1982FordEscortN/A
1982FordFairmontN/A
1982FordMustangN/A
1982FordThunderbirdN/A
1982MercuryCapriN/A
1982MercuryCougarN/A
1982MercuryLN7N/A
1982MercuryLynxN/A
1982MercuryZephyrN/A
1981FordEscortN/A
1981FordFairmontN/A
1981FordMustangN/A
1981FordThunderbirdN/A
1981MercuryCapriN/A
1981MercuryCougarN/A
1981MercuryLynxN/A
1981MercuryZephyrN/A
1980FordFairmontN/A
1980FordMustangN/A
1980FordPintoN/A
1980FordThunderbirdN/A
1980MercuryBobcatN/A
1980MercuryCapriN/A
1980MercuryCougarN/A
1980MercuryMonarchN/A
1980MercuryZephyrN/A
1979FordFairmontN/A
1979FordMustangN/A
1979FordPintoN/A
1979MercuryBobcatN/A
1979MercuryCapriN/A
1979MercuryMonarchN/A
1979MercuryZephyrN/A
1978FordFairmontN/A
1978FordPintoN/A
1978MercuryBobcatN/A
1978MercuryMonarchN/A
1978MercuryZephyrN/A
1977FordPintoN/A
1977MercuryBobcatN/A
1977MercuryMonarchN/A
1976FordF-1004WDN/A
1976FordF-1504WDN/A
1976FordPintoN/A
1976MercuryBobcatN/A
1976MercuryMonarchN/A
1975FordBroncoN/A
1975FordF-1004WDN/A
1975FordF-250RWDN/A2 Piston Caliper
1975FordF-350N/A
1975FordPintoN/A
1975MercuryBobcatN/A
1975MercuryMonarchN/A
1974FordBroncoN/A
1974FordPintoN/A
1973FordBroncoN/A
1973FordPintoN/A
1972FordBroncoN/A
1972FordLTDN/A
1972FordPintoN/A
1972LincolnContinentalN/A
1972MercuryColony ParkN/A
1972MercuryMarquisN/A
1971FordBroncoN/A
1971FordLTDN/AFront Disc Brakes
1971FordMustangN/AFront Disc Brakes
1971FordPintoN/A
1971FordThunderbirdN/A
1971LincolnContinentalN/A
1971MercuryColony ParkN/AFront Disc Brakes
1971MercuryCougarN/AFront Disc Brakes
1971MercuryMarquisN/AFront Disc Brakes
1971MercuryMontegoN/AFront Disc Brakes
1970FordBroncoN/A
1970FordLTDN/AFront Disc Brakes
1970FordMustangN/AFront Disc Brakes
1970FordThunderbirdN/A
1970LincolnContinentalN/A
1970MercuryColony ParkN/AFront Disc Brakes
1970MercuryCougarN/AFront Disc Brakes
1970MercuryMarauderN/AFront Disc Brakes
1970MercuryMarquisN/AFront Disc Brakes
1970MercuryMontegoN/AFront Disc Brakes
1969FordBroncoN/A
1969FordE-100 EconolineN/A
1969FordLTDN/AFront Disc Brakes
1969FordMustangN/AFront Disc Brakes
1969FordThunderbirdN/A
1969LincolnContinentalN/A
1969MercuryColony ParkN/AFront Disc Brakes
1969MercuryCougarN/AFront Disc Brakes
1969MercuryMarauderN/AFront Disc Brakes
1969MercuryMarquisN/AFront Disc Brakes
1969MercuryMontegoN/AFront Disc Brakes
1968FordBroncoN/A
1968FordLTDN/AFront Disc Brakes
1968FordMustangN/AFront Disc Brakes
1968FordThunderbirdN/A
1968LincolnContinentalN/A
1968MercuryColony ParkN/AFront Disc Brakes
1968MercuryCougarN/AFront Disc Brakes
1968MercuryMarquisN/AFront Disc Brakes
1968MercuryMontegoN/AFront Disc Brakes
1967FordBroncoN/A
1967FordLTDN/AFront Disc Brakes
1967FordMustangN/AFront Disc Brakes
1967FordThunderbirdN/A
1967MercuryColony ParkN/AFront Disc Brakes
1967MercuryCougarN/AFront Disc Brakes
1967MercuryMarquisN/AFront Disc Brakes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

420694C7AZ-2167-BC7AZ2167B

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.