Dorman 42069 Brake Master Cylinder Reservoir Cap Gasket
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Dorman

Dorman 42069 Brake Master Cylinder Reservoir Cap Gasket

Brand Dorman 42069
Material Rubber
Package Contents 1 Master Cylinder Gasket
Fits Ford, Mercury, and Lincoln · 149 vehicles

OE-style fit. Matches the original gasket's fit and function for reliable replacement.

Rubber construction. Provides a durable seal for dependable reservoir performance.

Brake gasket. Restores the sealing function of the master cylinder reservoir cap.

Cross-references 420694, C7AZ-2167-B and C7AZ2167B for the same application. See all 3.

$21.90Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
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.

This part fits 149 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelDrive TypePositionNotes
1990FordEscort——N/Aw/Manual Brakes
1989FordEscort——N/Aw/Manual Brakes
1988FordEscort——N/Aw/Manual Brakes
1987FordEscort——N/Aw/Manual Brakes
1986FordEscort——N/Aw/Manual Brakes
1986FordMustangLX—N/A—
1986FordMustangGT—N/A—
1986FordThunderbird——N/A—
1986MercuryCapri——N/A—
1986MercuryCougar——N/A—
1986MercuryMarquis——N/A—
1985FordEscort——N/A—
1985FordMustangLX—N/A—
1985FordMustangGT—N/A—
1985FordThunderbird——N/A—
1985MercuryCapri——N/A—
1985MercuryCougar——N/A—
1985MercuryLynx——N/A—
1985MercuryMarquis——N/A—
1984FordEscort——N/A—
1984FordMustangL—N/A—
1984FordMustangLX—N/A—
1984FordMustangGT—N/A—
1984FordMustangGT-350 20th Anniversary—N/A—
1984FordThunderbird——N/A—
1984MercuryCapri——N/A—
1984MercuryCougar——N/A—
1984MercuryLynx——N/A—
1984MercuryMarquis——N/A—
1983FordEscort——N/A—
1983FordFairmont——N/A—
1983FordMustang——N/A—
1983FordThunderbird——N/A—
1983MercuryCapri——N/A—
1983MercuryCougar——N/A—
1983MercuryLN7——N/ATo 2/83
1983MercuryLynx——N/A—
1983MercuryMarquis——N/A—
1983MercuryZephyr——N/A—
1982FordEscort——N/A—
1982FordFairmont——N/A—
1982FordMustang——N/A—
1982FordThunderbird——N/A—
1982MercuryCapri——N/A—
1982MercuryCougar——N/A—
1982MercuryLN7——N/A—
1982MercuryLynx——N/A—
1982MercuryZephyr——N/A—
1981FordEscort——N/A—
1981FordFairmont——N/A—
1981FordMustang——N/A—
1981FordThunderbird——N/A—
1981MercuryCapri——N/A—
1981MercuryCougar——N/A—
1981MercuryLynx——N/A—
1981MercuryZephyr——N/A—
1980FordFairmont——N/A—
1980FordMustang——N/A—
1980FordPinto——N/A—
1980FordThunderbird——N/A—
1980MercuryBobcat——N/A—
1980MercuryCapri——N/A—
1980MercuryCougar——N/A—
1980MercuryMonarch——N/A—
1980MercuryZephyr——N/A—
1979FordFairmont——N/A—
1979FordMustang——N/A—
1979FordPinto——N/A—
1979MercuryBobcat——N/A—
1979MercuryCapri——N/A—
1979MercuryMonarch——N/A—
1979MercuryZephyr——N/A—
1978FordFairmont——N/A—
1978FordPinto——N/A—
1978MercuryBobcat——N/A—
1978MercuryMonarch——N/A—
1978MercuryZephyr——N/A—
1977FordPinto——N/A—
1977MercuryBobcat——N/A—
1977MercuryMonarch——N/A—
1976FordF-100—4WDN/A—
1976FordF-150—4WDN/A—
1976FordPinto——N/A—
1976MercuryBobcat——N/A—
1976MercuryMonarch——N/A—
1975FordBronco——N/A—
1975FordF-100—4WDN/A—
1975FordF-250—RWDN/A2 Piston Caliper
1975FordF-350——N/A—
1975FordPinto——N/A—
1975MercuryBobcat——N/A—
1975MercuryMonarch——N/A—
1974FordBronco——N/A—
1974FordPinto——N/A—
1973FordBronco——N/A—
1973FordPinto——N/A—
1972FordBronco——N/A—
1972FordLTD——N/A—
1972FordPinto——N/A—
1972LincolnContinental——N/A—
1972MercuryColony Park——N/A—
1972MercuryMarquis——N/A—
1971FordBronco——N/A—
1971FordLTD——N/AFront Disc Brakes
1971FordMustang——N/AFront Disc Brakes
1971FordPinto——N/A—
1971FordThunderbird——N/A—
1971LincolnContinental——N/A—
1971MercuryColony Park——N/AFront Disc Brakes
1971MercuryCougar——N/AFront Disc Brakes
1971MercuryMarquis——N/AFront Disc Brakes
1971MercuryMontego——N/AFront Disc Brakes
1970FordBronco——N/A—
1970FordLTD——N/AFront Disc Brakes
1970FordMustang——N/AFront Disc Brakes
1970FordThunderbird——N/A—
1970LincolnContinental——N/A—
1970MercuryColony Park——N/AFront Disc Brakes
1970MercuryCougar——N/AFront Disc Brakes
1970MercuryMarauder——N/AFront Disc Brakes
1970MercuryMarquis——N/AFront Disc Brakes
1970MercuryMontego——N/AFront Disc Brakes
1969FordBronco——N/A—
1969FordE-100 Econoline——N/A—
1969FordLTD——N/AFront Disc Brakes
1969FordMustang——N/AFront Disc Brakes
1969FordThunderbird——N/A—
1969LincolnContinental——N/A—
1969MercuryColony Park——N/AFront Disc Brakes
1969MercuryCougar——N/AFront Disc Brakes
1969MercuryMarauder——N/AFront Disc Brakes
1969MercuryMarquis——N/AFront Disc Brakes
1969MercuryMontego——N/AFront Disc Brakes
1968FordBronco——N/A—
1968FordLTD——N/AFront Disc Brakes
1968FordMustang——N/AFront Disc Brakes
1968FordThunderbird——N/A—
1968LincolnContinental——N/A—
1968MercuryColony Park——N/AFront Disc Brakes
1968MercuryCougar——N/AFront Disc Brakes
1968MercuryMarquis——N/AFront Disc Brakes
1968MercuryMontego——N/AFront Disc Brakes
1967FordBronco——N/A—
1967FordLTD——N/AFront Disc Brakes
1967FordMustang——N/AFront Disc Brakes
1967FordThunderbird——N/A—
1967MercuryColony Park——N/AFront Disc Brakes
1967MercuryCougar——N/AFront Disc Brakes
1967MercuryMarquis——N/AFront Disc Brakes
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
420694C7AZ-2167-BC7AZ2167B