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Carlson H438 Drum Brake Adjusting Spring Kit - RearOE Quality 60-Day Returns
Part #: H438

Carlson H438 Drum Brake Adjusting Spring Kit - Rear

Rear
130 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Mazda, and Mercury, Ranger, B2300, B3000, B4000, Mustang, Aerostar, Bronco II, Cougar, Thunderbird, Capri, Fairmont, Zephyr, Granada, Pinto, Bobcat, and Mustang II
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Reliable Drum Brake Adjusting Spring Kit for Ford, Mazda, and Mercury

The Carlson H438 Drum Brake Adjusting Spring Kit is designed to restore proper brake function on select Ford, Mazda, and Mercury vehicles. This kit provides the necessary components to maintain optimal drum brake performance and ensure safe stopping power.

  • Complete drum brake adjusting spring kit for precise brake adjustment
  • Compatible with Ford Aerostar, Bronco II, Mustang, Ranger, Thunderbird, and more
  • Fits Mazda B2300, B3000, B4000, and Mercury Cougar, Capri, Bobcat, Fairmont, and Zephyr models
  • Durable springs engineered to withstand brake system stresses
  • Part number H438 for easy identification and replacement

Product Details and Compatibility

The Carlson H438 kit includes all necessary drum brake adjusting springs to replace worn or damaged components in the brake assembly. This kit is specifically compatible with a range of Ford, Mazda, and Mercury vehicles, including the Ford Aerostar, B2300, B3000, B4000, Bobcat, Bronco II, Capri, Cougar, Fairmont, Mustang, Pinto, Ranger, Thunderbird, and Zephyr models. Using the correct drum brake adjusting springs helps maintain proper brake shoe positioning and consistent brake performance.

Common Applications and Problem Resolution

  • Restores proper brake shoe adjustment to prevent brake drag or excessive pedal travel
  • Eliminates uneven brake wear caused by weak or broken springs
  • Addresses brake noise issues related to loose or misaligned components
  • Improves brake response and pedal feel on compatible Ford, Mazda, and Mercury vehicles
  • Prevents premature brake hardware failure by replacing fatigued springs

Installation Notes and Tips

Installation of the Carlson H438 drum brake adjusting spring kit requires basic brake service tools and mechanical knowledge. It is recommended to inspect all brake hardware and shoes during installation and replace any worn parts. Proper spring placement and tension are critical for effective brake adjustment. Follow vehicle-specific service manuals for torque specifications and adjustment procedures.

Quality Assurance and Warranty

Carlson brake components are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The H438 drum brake adjusting spring kit undergoes quality control inspections to maintain consistent standards. Warranty coverage details should be confirmed with the product documentation or manufacturer.

This part fits 130 vehicles. Search below:

YearMakeModelPositionNotes
1994FordRangerRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1994MazdaB2300RearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1994MazdaB3000RearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1994MazdaB4000RearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1993FordMustangRearFitment: Fits drums with a diameter of 9 inches and a width of 1.75 inches.
1993FordRangerRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1992FordAerostarRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1992FordMustangRearFitment: Fits drums with a diameter of 9 inches and a width of 1.75 inches.
1992FordRangerRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1991FordAerostarRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1991FordMustangRearFitment: Fits drums with a diameter of 9 inches and a width of 1.75 inches.
1991FordRangerRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1990FordAerostarRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1990FordBronco IIRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1990FordMustangRearFitment: Fits drums with a diameter of 9 inches and a width of 1.75 inches.
1990FordMustangRearw/10" x 1.75" Brakes; 151; 10" x 1.75"
1990FordRangerRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1989FordAerostarRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1989FordBronco IIRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1989FordMustangRearFitment: Fits drums with a diameter of 9 inches and a width of 1.75 inches.
1989FordMustangRearw/10" x 1.75" Brakes; 151; 10" x 1.75"
1989FordRangerRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1988FordAerostarRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1988FordBronco IIRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1988FordCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1988FordCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1988FordMustangRearFitment: Fits drums with a diameter of 9 inches and a width of 1.75 inches.
1988FordMustangRearw/10" x 1.75" Brakes; 151; 10" x 1.75"
1988FordRangerRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1988FordThunderbirdRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1988FordThunderbirdRearw/10" x 1.75" Brakes; 151
1988MercuryCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1988MercuryCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1987FordAerostarRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1987FordBronco IIRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1987FordCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1987FordCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1987FordMustangRearFitment: Fits drums with a diameter of 9 inches and a width of 1.75 inches.
1987FordMustangRearw/10" x 1.75" Brakes; 151; 10" x 1.75"
1987FordRangerRearDrum Brake Adjusting Spring Kit with 9" x 1.75" Brakes; 569/474
1987FordThunderbirdRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1987FordThunderbirdRearw/10" x 1.75" Brakes; 151
1987MercuryCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1987MercuryCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1986FordAerostarRearFits drum brake adjusting spring kit for vehicles with 9" brakes and 569 model number.
1986FordBronco IIRear569/474
1986FordCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1986FordCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1986FordMustangRearDrum Brake Adjusting Spring Kit fits 9" x 1.75" drums, 474 model.
1986FordRangerRearDrum Brake Adjusting Spring Kit with 9" x 1.75" Brakes; 569/474
1986FordThunderbirdRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1986FordThunderbirdRearw/10" x 1.75" Brakes; 151
1986MercuryCapriRearCompatible with 9" x 1.75" dimensions and 474 model for parking brake strut spring.
1986MercuryCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1986MercuryCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1985FordBronco IIRear569/474
1985FordCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1985FordCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1985FordMustangRearDrum Brake Adjusting Spring Kit fits 9" x 1.75" drums, 474 model.
1985FordRangerRearDrum Brake Adjusting Spring Kit with 9" x 1.75" Brakes; 569/474
1985FordThunderbirdRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1985FordThunderbirdRearw/10" x 1.75" Brakes; 151
1985MercuryCapriRearCompatible with 9" x 1.75" dimensions and 474 model for parking brake strut spring.
1985MercuryCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1985MercuryCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1984FordBronco IIRear569/474
1984FordMustangRearDrum Brake Adjusting Spring Kit fits 9" x 1.75" drums, 474 model.
1984FordRangerRearDrum Brake Adjusting Spring Kit with 9" x 1.75" Brakes; 569/474
1984FordThunderbirdRearw/10" x 1.75" Brakes; 151
1984FordThunderbirdRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1984MercuryCapriRearCompatible with 9" x 1.75" dimensions and 474 model for parking brake strut spring.
1984MercuryCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1984MercuryCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1983FordFairmontRearFor 9" drum brakes; 474
1983FordMustangRearDrum Brake Adjusting Spring Kit fits 9" x 1.75" drums, 474 model.
1983FordRangerRearFits 9" x 1.75" Drum Brakes, 474
1983FordThunderbirdRearw/10" x 1.75" Brakes; 151
1983FordThunderbirdRearCompatible with vehicles equipped with 9" x 1.75" Drum Brakes, 569
1983MercuryCapriRearCompatible with 9" x 1.75" dimensions and 474 model for parking brake strut spring.
1983MercuryCougarRearFits 9" Drum Brakes with dimensions 9" x 1.75"; compatible with model 569.
1983MercuryCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1983MercuryZephyrRear9" Brakes; 9" x 1.75"; 474
1983MercuryZephyrRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1982FordFairmontRearFor 9" drum brakes; 474
1982FordMustangRearDrum Brake Adjusting Spring Kit fits 9" x 1.75" drums, 474 model.
1982FordThunderbirdRearw/10" x 1.75" Brakes; 151
1982FordThunderbirdRearFits 9" x 1.75" Drum Brakes, 474
1982MercuryCapriRearCompatible with 9" x 1.75" dimensions and 474 model for parking brake strut spring.
1982MercuryCougarRear9" Brakes; 9" x 1.75"; 474
1982MercuryCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1982MercuryZephyrRear9" Brakes; 9" x 1.75"; 474
1982MercuryZephyrRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1981FordFairmontRearFor 9" drum brakes; 474
1981FordMustangRearDrum Brake Adjusting Spring Kit fits 9" x 1.75" drums, 474 model.
1981FordThunderbirdRearw/10" x 1.75" Brakes; 151
1981FordThunderbirdRearFits 9" x 1.75" Drum Brakes, 474
1981MercuryCapriRearCompatible with 9" x 1.75" dimensions and 474 model for parking brake strut spring.
1981MercuryCougarRear9" Brakes; 9" x 1.75"; 474
1981MercuryCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1981MercuryZephyrRear9" Brakes; 9" x 1.75"; 474
1981MercuryZephyrRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1980FordFairmontRearFor 9" drum brakes; 474
1980FordMustangRearDrum Brake Adjusting Spring Kit fits 9" x 1.75" drums, 474 model.
1980FordPintoRearFits 9" x 1.75" Drum Brakes, 474
1980FordThunderbirdRearw/10" x 1.75" Brakes; 151
1980FordThunderbirdRearFits 9" x 1.75" Drum Brakes, 474
1980MercuryBobcatRearCompatible with 9" x 1.75" dimensions and 474 model for parking brake strut spring.
1980MercuryCapriRearCompatible with 9" x 1.75" dimensions and 474 model for parking brake strut spring.
1980MercuryCougarRear9" Brakes; 9" x 1.75"; 474
1980MercuryCougarRearFitment: Drum Brake Adjusting Spring Kit for 10" x 1.75" Drum Brakes, 151.
1980MercuryZephyrRear9" Brakes; 9" x 1.75"; 474
1979FordFairmontRearFor 9" drum brakes; 474
1979FordMustangRearDrum Brake Adjusting Spring Kit fits 9" x 1.75" drums, 474 model.
1979FordPintoRearw/9" x 1.75" Brakes; 431/391
1979MercuryBobcatRear9" x 1.75" Drum Brake Self-Adjuster Repair Kit; 474/431
1979MercuryCapriRearCompatible with 9" x 1.75" dimensions and 474 model for parking brake strut spring.
1979MercuryZephyrRear9" Brakes; 9" x 1.75"; 474
1978FordFairmontRearFor 9" drum brakes; 474
1978FordPintoRearw/9" x 1.75" Brakes; 431/391
1978MercuryBobcatRear9" x 1.75" Drum Brake Self-Adjuster Repair Kit; 474/431
1978MercuryZephyrRear9" Brakes; 9" x 1.75"; 474
1977FordPintoRearw/9" x 1.75" Brakes; 431/391
1977MercuryBobcatRear9" x 1.75" Drum Brake Self-Adjuster Repair Kit; 474/431
1976FordPintoRearw/9" x 1.75" Brakes; 431/391
1976MercuryBobcatRear9" x 1.75" Drum Brake Self-Adjuster Repair Kit; 474/431
1975FordPintoRearw/9" x 1.75" Brakes; 431/391
1975MercuryBobcatRear9" x 1.75" Drum Brake Self-Adjuster Repair Kit; 474/431
1974FordPintoRearw/9" x 1.75" Brakes; 431/391
1973FordPintoRearw/9" x 1.75" Brakes; 391
1972FordPintoRearw/9" x 1.75" Brakes; 391

* 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:

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

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