Carlson 7541 Disc Brake Caliper Piston - Front

Brand Carlson 7938
Center Electrode Core Material Copper
Center Electrode Tip Material Nickel
Electrical Terminal Type Non-Removable Nut
Ground Configuration Standard
Ground Electrode Core Material Nickel
Ground Electrode Quantity 1
Ground Electrode Tip Design Standard
Hex Size 5/8
Insulator Height 50.50
Manufacturer Heat Range 5
Part Number BKR5E
Pre-Gap Size .036
Reach .75
Resistance 5000
Seat Type Flat
Stock Number 7938
Thread Diameter 14.00
Fits —43 vehicles

Caliper piston. Uses brake fluid pressure to press the pads against the rotor.

Brake hydraulics part. Essential hardware for the braking system to work together properly.

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Disc Brake Caliper Piston for Front Brake Service

Carlson 7541 is a disc brake caliper piston for front brake hydraulic service. It uses brake fluid pressure to move the caliper piston and press the brake pads against the rotor, helping restore proper braking action on supported Ford, Mazda, and related applications.

Key Features

  • Disc brake caliper piston for front-position brake repair
  • Supports hydraulic force transfer inside the caliper assembly
  • Fits a wide range of Ford Ranger, Ford Explorer, Ford Aerostar, and Mazda truck/SUV applications
  • Application-specific fitment for disc brake caliper repair kits and caliper service work
  • Carlson part number 7541 for catalog and cross-reference use

Detailed Description

When brake pedal pressure is applied, the caliper piston converts hydraulic pressure into clamping force at the rotor. Carlson 7541 is built for front brake applications across multiple Ford and Mazda platforms, including 1993-1997 Ford Aerostar, 1994 Ford Explorer, 1994 Ford Ranger, 1994 Mazda B2300, 1994 Mazda B3000, 1994 Mazda B4000, and 1991-1994 Mazda Navajo. It also fits earlier Ford Ranger, Bronco II, and Aerostar front disc brake configurations listed in the fitment data. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Brake pedal travel caused by worn caliper piston surfaces
  • Uneven pad contact at the rotor
  • Reduced hydraulic response in the front brake caliper
  • Brake drag or sticking related to caliper piston wear
  • Service needs during front disc brake caliper repair

Installation Notes and Tips

Verify caliper type, rotor setup, and year-specific fitment before installation. Clean the caliper bore thoroughly and inspect seals, dust boots, and related hydraulic components during service. Confirm the piston seats smoothly in the caliper and bleed the brake system after reassembly to remove air from the hydraulic circuit. Use the exact vehicle application listed for Carlson 7541, especially on Ford Ranger and Ford Explorer front brake repairs.

Quality Assurance

Carlson positions brake components as part of a complete system, where each piece must work together for proper stopping performance. Carlson 7541 is cataloged for direct-fit front brake applications on the listed Ford and Mazda vehicles, including Ford Ranger, Ford Explorer, and Ford Aerostar models.

This part fits 43 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1997FordAerostarFrontFits model D607 vehicles.
1996FordAerostarFrontFits model D607 vehicles.
1995FordAerostarFrontFits model D607 vehicles.
1994FordAerostarFrontFits model D607 vehicles.
1994FordExplorerFrontD654
1994FordRangerFrontD654
1994MazdaB2300FrontFitment: Disc, D387
1994MazdaB3000FrontFitment: Disc, D387
1994MazdaB4000FrontFitment: Disc, D387
1994MazdaNavajoFrontFitment: Disc, D387
1993FordAerostarFrontFits model D607 vehicles.
1993FordExplorerFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1993FordRangerFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1993MazdaNavajoFrontFitment: Disc, D387
1992FordAerostarFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1992FordExplorerFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1992FordRangerFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1992MazdaNavajoFrontFitment: Disc, D387
1991FordAerostarFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1991FordExplorerFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1991FordRangerFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1991MazdaNavajoFrontFitment: Disc, D387
1990FordAerostarFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1990FordBronco IIFrontFitment: Disc Brake Caliper Repair Kit D326.
1990FordRangerFrontCompatible with D387 models Disc Brake Caliper Repair Kit
1989FordAerostarFrontFitment: Disc Brake Caliper Repair Kit D326.
1989FordBronco IIFrontFitment: Disc Brake Caliper Repair Kit D326.
1989FordRangerFrontAll From late'87; D387
1988FordAerostarFrontFitment: Disc Brake Caliper Repair Kit D326.
1988FordBronco IIFrontFitment: Disc Brake Caliper Repair Kit D326.
1988FordRangerFrontFrom 3/1/1987; D387
1987FordAerostarFrontFitment: Disc Brake Caliper Repair Kit D326.
1987FordBronco IIFrontFitment: Disc Brake Caliper Repair Kit D326.
1987FordRangerFrontFrom 3/1/1987; D387
1987FordRangerFrontTo 3/1/1987 - D326 - Disc Brake Caliper Repair Kit
1986FordAerostarFrontFitment: Disc Brake Caliper Repair Kit D326.
1986FordBronco IIFrontFitment: Disc Brake Caliper Repair Kit D326.
1986FordRangerFrontFitment: Disc Brake Caliper Repair Kit D326.
1985FordBronco IIFrontFitment: Disc Brake Caliper Repair Kit D326.
1985FordRangerFrontFitment: Disc Brake Caliper Repair Kit D326.
1984FordBronco IIFrontFitment: Disc Brake Caliper Repair Kit D326.
1984FordRangerFrontFitment: Disc Brake Caliper Repair Kit D326.
1983FordRangerFrontD249
Directly replaces or cross-references 87 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
0000-18-BP47065-01406-2009482-004770E75850E7585A12132021213202S160999-780301835238T1835246T1Y06209522401-20J0522401KA440241-6022513212S2513214S2513232S31373191378039243924BP41-629431-14318431C244344436491055491055S496018496018S496018T4996085066A5066B50715071S51845184BP6613201S6920516943856967987171-171C271ECO71ECOS71EZ71G71GS71S75277560759-333678167867927793541793880501580718071-1980982AGSP52BP47-18-110BP4718110P00E3.20FR3CLSFR3LSFR8DCFR8DEK16P-UK16PR-UMIU13325MS851367Q16PR-UQC12YCRC12YCRC14MCX4RC14YCTY26709XC12YCXC92YC