Dorman 42075 Brake Master Cylinder Reservoir Cap Gasket

Brand Dorman 42075
Material Rubber
Package Contents 1 Brake Master Cylinder Gasket
Fits Ford, Mercury, and Lincoln · 154 vehicles

OE-style replacement. Matches the fit and function of the original gasket.

Rubber construction. Provides durable sealing for reliable performance.

Brake gasket. A sealing component for the master cylinder reservoir cap.

Cross-references 420754, D5UZ-2167-C and D20Z2167A for the same application. See all 3.

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Brake Master Cylinder Reservoir Cap Gasket for Ford and Mercury

Dorman 42075 is a rubber brake master cylinder reservoir cap gasket made to match the fit and function of the original gasket on specified vehicles. It is built for durable sealing performance in brake master cylinder reservoir applications, including classic Ford and Mercury models that rely on a proper cap seal.

Key Features

  • Rubber construction for sealing performance and flexibility
  • Matches the original gasket’s fit and function on listed applications
  • Supports brake master cylinder reservoir cap sealing on vintage Ford and Mercury vehicles
  • Direct replacement for Dorman 42075 applications
  • Cross-references Dorman 420754 and OE numbers D5UZ-2167-C, D20Z2167A

Detailed Description

This brake master cylinder reservoir cap gasket is designed for vehicles such as the Ford F-150, Ford F-250, Ford Bronco, Ford LTD, Mercury Marquis, and Mercury Cougar where a reliable reservoir cap seal is needed. Dorman 42075 helps restore the original sealing interface at the master cylinder reservoir cap, supporting consistent brake system containment on compatible Ford and Mercury brake master cylinder assemblies.

Use this gasket when servicing older Ford and Mercury brake systems that call for an OE-style reservoir cap seal. The rubber material is selected for fitment and sealing consistency, making it a practical replacement for maintenance on classic trucks, vans, and passenger cars.

What It Is Used For

  • Replacing a worn or flattened brake master cylinder reservoir cap gasket
  • Addressing brake fluid seepage at the reservoir cap area
  • Restoring a proper seal on the master cylinder reservoir
  • Supporting brake system maintenance on vintage Ford and Mercury vehicles
  • Correcting cap sealing issues after brake service

Installation Notes and Tips

Confirm the master cylinder reservoir cap style and vehicle application before installation. Clean the sealing surfaces thoroughly, inspect the cap and reservoir for damage, and install the gasket on a dry, debris-free surface for proper seating. Verify fitment against the listed year, make, and model before service.

Quality Assurance

Dorman designs this gasket to match original fit and function for the specified applications and to provide dependable performance in brake system service.

This part fits 154 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeDrive TypePositionNotes
1986FordE-250 EconolineN/A
1986FordE-250 Econoline Club WagonN/A
1986FordE-350 EconolineN/A
1986FordE-350 Econoline Club WagonN/A
1986FordF-250N/A2 Piston Caliper
1986FordF-350N/A
1985FordE-250 EconolineN/A
1985FordE-250 Econoline Club WagonN/A
1985FordE-350 EconolineN/A
1985FordE-350 Econoline Club WagonN/A
1985FordF-250N/A2 Piston Caliper
1985FordF-350N/A
1984FordE-250 EconolineN/A
1984FordE-250 Econoline Club WagonN/A
1984FordE-350 EconolineN/A
1984FordE-350 Econoline Club WagonN/A
1984FordF-250N/A2 Piston Caliper
1984FordF-350N/A
1983FordE-100 EconolineN/A
1983FordE-100 Econoline Club WagonN/A
1983FordE-150 EconolineN/Aw/Manual Brakes
1983FordE-150 Econoline Club WagonN/Aw/Manual Brakes
1983FordE-250 EconolineN/A
1983FordE-250 Econoline Club WagonN/A
1983FordE-350 EconolineN/A
1983FordE-350 Econoline Club WagonN/A
1983FordF-100N/A
1983FordF-150N/Aw/Manual Brakes
1983FordF-250N/A2 Piston Caliper
1983FordF-350N/A
1982FordE-100 EconolineN/A
1982FordE-100 Econoline Club WagonN/A
1982FordE-150 EconolineN/Aw/Manual Brakes
1982FordE-150 Econoline Club WagonN/Aw/Manual Brakes
1982FordE-250 EconolineN/A
1982FordE-250 Econoline Club WagonN/A
1982FordE-350 EconolineN/A
1982FordE-350 Econoline Club WagonN/A
1982FordF-100N/A
1982FordF-150N/Aw/Manual Brakes
1982FordF-250N/A2 Piston Caliper
1982FordF-350N/A
1981FordE-100 EconolineN/A
1981FordE-100 Econoline Club WagonN/A
1981FordE-150 EconolineN/Aw/Manual Brakes
1981FordE-150 Econoline Club WagonN/Aw/Manual Brakes
1981FordE-250 EconolineN/A
1981FordE-250 Econoline Club WagonN/A
1981FordE-350 EconolineN/A
1981FordE-350 Econoline Club WagonN/A
1981FordF-100N/A
1981FordF-150N/Aw/Manual Brakes
1981FordF-250N/A2 Piston Caliper
1981FordF-350N/A
1980FordE-100 EconolineN/A
1980FordE-100 Econoline Club WagonN/A
1980FordE-150 EconolineN/Aw/Manual Brakes
1980FordE-150 Econoline Club WagonN/Aw/Manual Brakes
1980FordE-250 EconolineN/A
1980FordE-250 Econoline Club WagonN/A
1980FordE-350 EconolineN/A
1980FordE-350 Econoline Club WagonN/A
1980FordF-100N/A
1980FordF-150N/Aw/Manual Brakes
1980FordF-250N/A2 Piston Caliper
1980FordF-350N/A
1979FordBroncoN/A
1979FordE-100 EconolineN/A
1979FordE-100 Econoline Club WagonN/A
1979FordE-150 EconolineN/Aw/Manual Brakes
1979FordE-150 Econoline Club WagonN/Aw/Manual Brakes
1979FordE-250 EconolineN/A
1979FordE-250 Econoline Club WagonN/A
1979FordE-350 EconolineN/A
1979FordE-350 Econoline Club WagonN/A
1979FordF-250N/A
1979FordF-350N/A
1979FordThunderbirdN/A
1979MercuryCougarN/A
1978FordBroncoN/A
1978FordE-100 EconolineN/A
1978FordE-100 Econoline Club WagonN/A
1978FordE-150 EconolineN/Aw/Manual Brakes
1978FordE-150 Econoline Club WagonN/Aw/Manual Brakes
1978FordE-250 EconolineN/A
1978FordE-250 Econoline Club WagonN/A
1978FordE-350 EconolineN/A
1978FordE-350 Econoline Club WagonN/A
1978FordF-250N/A
1978FordF-350N/A
1978FordLTDHardtopN/A
1978FordLTDWagonN/A
1978FordThunderbirdN/A
1978MercuryCougarN/A
1978MercuryGrand MarquisN/A
1978MercuryMarquisHardtopN/A
1977FordBroncoN/A
1977FordE-100 EconolineN/A
1977FordE-100 Econoline Club WagonN/A
1977FordE-150 EconolineN/Aw/Manual Brakes
1977FordE-150 Econoline Club WagonN/Aw/Manual Brakes
1977FordE-250 EconolineN/A
1977FordE-250 Econoline Club WagonN/A
1977FordE-350 EconolineN/A
1977FordE-350 Econoline Club WagonN/A
1977FordF-250N/A
1977FordF-350N/A
1977FordLTDHardtopN/A
1977FordLTDWagonN/A
1977FordThunderbirdN/A
1977MercuryGrand MarquisN/A
1977MercuryMarquisHardtopN/A
1976FordBroncoN/A
1976FordE-100 EconolineN/A
1976FordE-100 Econoline Club WagonN/A
1976FordE-150 EconolineN/Aw/Manual Brakes
1976FordE-150 Econoline Club WagonN/Aw/Manual Brakes
1976FordE-250 EconolineN/A
1976FordE-250 Econoline Club WagonN/A
1976FordE-350 EconolineN/A
1976FordF-100RWDN/A
1976FordF-150RWDN/A
1976FordF-250N/A
1976FordF-350N/A
1976FordLTDHardtopN/A
1976FordLTDWagonN/ATo 1/01/76
1976FordThunderbirdN/ATo 1/01/76
1976MercuryGrand MarquisN/A
1976MercuryMarquisHardtopN/A
1976MercuryMarquisWagonN/ATo 1/01/76
1976MercuryMontegoN/A
1975FordF-100RWDN/A
1975FordF-150N/A
1975FordF-250RWDN/A1 Piston Caliper
1975FordLTDN/A
1975FordThunderbirdN/ATo 1/01/76
1975LincolnContinentalN/A
1975MercuryGrand MarquisN/A
1975MercuryMarquisN/A
1975MercuryMontegoN/A
1974FordLTDN/A
1974FordThunderbirdN/ATo 1/01/76
1974LincolnContinentalN/A
1974MercuryColony ParkN/ARear Drum Brakes
1974MercuryMarquisN/A
1974MercuryMontegoN/A
1973FordLTDN/A
1973FordThunderbirdN/A
1973LincolnContinentalN/A
1973MercuryColony ParkN/ARear Drum Brakes
1973MercuryMarquisN/A
1973MercuryMontegoN/A
1972FordThunderbirdN/A
1972MercuryMontegoN/A
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
420754D5UZ-2167-CD20Z2167A