Dorman 21135 Parking Brake Strut - Rear Left or Rear Right
OE Quality 60-Day Returns
Dorman

Dorman 21135 Parking Brake Strut - Rear Left or Rear Right

Brand Dorman 21135
Position Rear Left
Color Brass
Length 9
Package Contents Parking Brake Strut
Fits Ford and Mercury · 260 vehicles

OE-style replacement. Matches the fit and function of the original parking brake strut.

Quality materials. Engineered for reliable performance.

Brass finish for a clean, durable look.

Cross-references 3L5Z2C077CA, 211354 and D6OZ-2A642-A for the same application. See all 3.

$28.34Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Parking Brake Struts are typically replaced in pairs, axle by axle.
Order total $28.34
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Parking Brake Strut options

Parking Brake Strut for Ford and Mercury Applications

This Dorman parking brake strut is a direct replacement for the original component used in select Ford and Mercury rear brake assemblies. Built from quality materials and finished in brass, it is made to match the fit and function of the OE part for dependable parking brake operation.

Part number 21135 is a practical replacement for vehicles with 9-inch rear brakes, including applications such as Ford Ranger, Ford Thunderbird, and Mercury Cougar. If you are servicing a rear parking brake issue on a Ford Mustang, Bronco II, or Mercury Capri, this strut is built for the specified factory setup.

Key Features

  • Direct replacement parking brake strut for specified rear brake assemblies
  • Brass finish for the listed application
  • Engineered to match original fit and function
  • Designed for rear left and rear right positions, depending on vehicle application
  • Includes parking brake strut only
  • Part number 21135 for easy identification

Detailed Product Information

This parking brake strut is 9 inches long and is intended for vehicles equipped with 9-inch rear brakes where listed. It serves as a replacement for the original strut in the parking brake mechanism, helping restore proper linkage between brake components. Dorman 21135 is cross-referenced to 172286 for the same application.

Compatible With select Ford Ranger, Ford Thunderbird, Mercury Cougar, Ford Mustang, Ford Bronco II, Ford Aerostar, Ford LTD, Mercury Capri, Mercury Marquis, Ford Fairmont, Mercury Zephyr, Ford Pinto, and Mercury Bobcat applications listed in the fitment data. Use the exact year, model, and rear position shown for your vehicle before ordering.

What This Part Helps Address

  • Broken or worn parking brake strut in the rear brake assembly
  • Poor parking brake linkage movement
  • Improper parking brake engagement or release
  • Restoration of OE-style rear brake hardware on listed Ford and Mercury models

Installation Notes and Tips

Verify rear left or rear right placement against the vehicle’s brake layout before installation. Confirm that the vehicle uses 9-inch rear brakes where noted in the fitment data. Compare the original strut length and shape to part number 21135 before assembly.

Fits 1984-2003 Ford Ranger, rear left and rear right with 9 in. brakes; 1989-1997 Ford Thunderbird, rear left and rear right; 1989-1996 Mercury Cougar, rear left and rear right; 1979-1993 Ford Mustang, rear left and rear right; 1984-1990 Ford Bronco II, rear left and rear right; 1980-1988 Ford Thunderbird, rear left and rear right with 9 in. brakes; 1980-1988 Mercury Cougar, rear left and rear right with 9 in. brakes; 1986-1987 Ford Aerostar, rear left and rear right with 9 in. brakes; 1983-1986 Ford LTD, rear left and rear right with 9 in. brakes; 1979-1986 Mercury Capri, rear left and rear right; 1983-1986 Mercury Marquis, rear left and rear right with 9 in. brakes; 1978-1983 Ford Fairmont, rear left and rear right with 9 in. brakes; 1983 Ford Ranger, rear left and rear right; 1978-1983 Mercury Zephyr, rear left and rear right with 9 in. brakes; 1974-1980 Ford Pinto, rear left and rear right; 1975-1980 Mercury Bobcat, rear left and rear right.

Quality Assurance

Dorman designs this replacement part to match the original part’s fit and function on the specified vehicles. The component is manufactured from quality materials for reliable performance in the listed applications.

This part fits 260 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2003FordRanger—Rear Left9 In. Brakes
2003FordRanger—Rear Right9 In. Brakes
2002FordRanger—Rear Left9 In. Brakes
2002FordRanger—Rear Right9 In. Brakes
2001FordRanger—Rear Left9 In. Brakes
2001FordRanger—Rear Right9 In. Brakes
2000FordRanger—Rear Left9 In. Brakes
2000FordRanger—Rear Right9 In. Brakes
1999FordRanger—Rear Left9 In. Brakes
1999FordRanger—Rear Right9 In. Brakes
1998FordRanger—Rear Left9 In. Brakes
1998FordRanger—Rear Right9 In. Brakes
1997FordRanger—Rear Left9 In. Brakes
1997FordRanger—Rear Right9 In. Brakes
1997FordThunderbird—Rear Left—
1997FordThunderbird—Rear Right—
1996FordRanger—Rear Left9 In. Brakes
1996FordRanger—Rear Right9 In. Brakes
1996FordThunderbird—Rear Left—
1996FordThunderbird—Rear Right—
1996MercuryCougar—Rear Left—
1996MercuryCougar—Rear Right—
1995FordRanger—Rear Left9 In. Brakes
1995FordRanger—Rear Right9 In. Brakes
1995FordThunderbirdLXRear Left—
1995FordThunderbirdBaseRear Left—
1995FordThunderbirdLXRear Right—
1995FordThunderbirdBaseRear Right—
1995MercuryCougar—Rear Left—
1995MercuryCougar—Rear Right—
1994FordRanger—Rear Left9 In. Brakes
1994FordRanger—Rear Right9 In. Brakes
1994FordThunderbirdLXRear Left—
1994FordThunderbirdLXRear Right—
1994MercuryCougar—Rear Left—
1994MercuryCougar—Rear Right—
1993FordMustang—Rear Left—
1993FordMustang—Rear Right—
1993FordRanger—Rear Left9 In. Brakes
1993FordRanger—Rear Right9 In. Brakes
1993FordThunderbirdLXRear Left—
1993FordThunderbirdLXRear Right—
1993MercuryCougar—Rear Left—
1993MercuryCougar—Rear Right—
1992FordMustang—Rear Left—
1992FordMustang—Rear Right—
1992FordRanger—Rear Left9 In. Brakes
1992FordRanger—Rear Right9 In. Brakes
1992FordThunderbirdLXRear Left—
1992FordThunderbirdBaseRear Left—
1992FordThunderbirdLXRear Right—
1992FordThunderbirdBaseRear Right—
1992MercuryCougar—Rear Left—
1992MercuryCougar—Rear Right—
1991FordMustang—Rear Left—
1991FordMustang—Rear Right—
1991FordRanger—Rear Left9 In. Brakes
1991FordRanger—Rear Right9 In. Brakes
1991FordThunderbirdLXRear Left—
1991FordThunderbirdBaseRear Left—
1991FordThunderbirdLXRear Right—
1991FordThunderbirdBaseRear Right—
1991MercuryCougar—Rear Left—
1991MercuryCougar—Rear Right—
1990FordBronco II—Rear Left—
1990FordBronco II—Rear Right—
1990FordMustang—Rear Left—
1990FordMustang—Rear Right—
1990FordRanger—Rear Left9 In. Brakes
1990FordRanger—Rear Right9 In. Brakes
1990FordThunderbirdLXRear Left—
1990FordThunderbirdBaseRear Left—
1990FordThunderbirdLXRear Right—
1990FordThunderbirdBaseRear Right—
1990MercuryCougar—Rear Left—
1990MercuryCougar—Rear Right—
1989FordBronco II—Rear Left—
1989FordBronco II—Rear Right—
1989FordMustang—Rear Left—
1989FordMustang—Rear Right—
1989FordRanger—Rear Left9 In. Brakes
1989FordRanger—Rear Right9 In. Brakes
1989FordThunderbirdLXRear Left—
1989FordThunderbirdBaseRear Left—
1989FordThunderbirdLXRear Right—
1989FordThunderbirdBaseRear Right—
1989MercuryCougar—Rear Left—
1989MercuryCougar—Rear Right—
1988FordBronco II—Rear Left—
1988FordBronco II—Rear Right—
1988FordMustang—Rear Left—
1988FordMustang—Rear Right—
1988FordRanger—Rear Left9 In. Brakes
1988FordRanger—Rear Right9 In. Brakes
1988FordThunderbirdLXRear Left9 In. Brakes
1988FordThunderbirdSportRear Left9 In. Brakes
1988FordThunderbirdBaseRear Left9 In. Brakes
1988FordThunderbirdLXRear Right9 In. Brakes
1988FordThunderbirdSportRear Right9 In. Brakes
1988FordThunderbirdBaseRear Right9 In. Brakes
1988MercuryCougar—Rear Left9 In. Brakes
1988MercuryCougar—Rear Right9 In. Brakes
1987FordAerostar—Rear Left9 In. Brakes
1987FordAerostar—Rear Right9 In. Brakes
1987FordBronco II—Rear Left—
1987FordBronco II—Rear Right—
1987FordMustang—Rear Left—
1987FordMustang—Rear Right—
1987FordRanger—Rear Left9 In. Brakes
1987FordRanger—Rear Right9 In. Brakes
1987FordThunderbirdLXRear Left9 In. Brakes
1987FordThunderbirdSportRear Left9 In. Brakes
1987FordThunderbirdBaseRear Left9 In. Brakes
1987FordThunderbirdLXRear Right9 In. Brakes
1987FordThunderbirdSportRear Right9 In. Brakes
1987FordThunderbirdBaseRear Right9 In. Brakes
1987MercuryCougar—Rear Left9 In. Brakes
1987MercuryCougar—Rear Right9 In. Brakes
1986FordAerostar—Rear Left9 In. Brakes
1986FordAerostar—Rear Right9 In. Brakes
1986FordBronco II—Rear Left—
1986FordBronco II—Rear Right—
1986FordLTD—Rear Left9 In. Brakes
1986FordLTD—Rear Right9 In. Brakes
1986FordMustang—Rear Left—
1986FordMustang—Rear Right—
1986FordRanger—Rear Left9 In. Brakes
1986FordRanger—Rear Right9 In. Brakes
1986FordThunderbird—Rear Left9 In. Brakes
1986FordThunderbird—Rear Right9 In. Brakes
1986MercuryCapri—Rear Left—
1986MercuryCapri—Rear Right—
1986MercuryCougar—Rear Left9 In. Brakes
1986MercuryCougar—Rear Right9 In. Brakes
1986MercuryMarquis—Rear Left9 In. Brakes
1986MercuryMarquis—Rear Right9 In. Brakes
1985FordBronco II—Rear Left—
1985FordBronco II—Rear Right—
1985FordLTD—Rear Left9 In. Brakes
1985FordLTD—Rear Right9 In. Brakes
1985FordMustang—Rear Left—
1985FordMustang—Rear Right—
1985FordRanger—Rear Left9 In. Brakes
1985FordRanger—Rear Right9 In. Brakes
1985FordThunderbird—Rear Left9 In. Brakes
1985FordThunderbird—Rear Right9 In. Brakes
1985MercuryCapri—Rear Left—
1985MercuryCapri—Rear Right—
1985MercuryCougar—Rear Left9 In. Brakes
1985MercuryCougar—Rear Right9 In. Brakes
1985MercuryMarquis—Rear Left9 In. Brakes
1985MercuryMarquis—Rear Right9 In. Brakes
1984FordBronco II—Rear Left—
1984FordBronco II—Rear Right—
1984FordLTD—Rear Left9 In. Brakes
1984FordLTD—Rear Right9 In. Brakes
1984FordMustang—Rear Left—
1984FordMustang—Rear Right—
1984FordRanger—Rear Left9 In. Brakes
1984FordRanger—Rear Right9 In. Brakes
1984FordThunderbird—Rear Left9 In. Brakes
1984FordThunderbird—Rear Right9 In. Brakes
1984MercuryCapri—Rear Left—
1984MercuryCapri—Rear Right—
1984MercuryCougar—Rear Left9 In. Brakes
1984MercuryCougar—Rear Right9 In. Brakes
1984MercuryMarquis—Rear Left9 In. Brakes
1984MercuryMarquis—Rear Right9 In. Brakes
1983FordFairmont—Rear Left9 In. Brakes
1983FordFairmont—Rear Right9 In. Brakes
1983FordLTD—Rear Left9 In. Brakes
1983FordLTD—Rear Right9 In. Brakes
1983FordMustang—Rear Left—
1983FordMustang—Rear Right—
1983FordRanger—Rear Left—
1983FordRanger—Rear Right—
1983FordThunderbird—Rear Left9 In. Brakes
1983FordThunderbird—Rear Right9 In. Brakes
1983MercuryCapri—Rear Left—
1983MercuryCapri—Rear Right—
1983MercuryCougar—Rear Left9 In. Brakes
1983MercuryCougar—Rear Right9 In. Brakes
1983MercuryMarquis—Rear Left9 In. Brakes
1983MercuryMarquis—Rear Right9 In. Brakes
1983MercuryZephyr—Rear Left9 In. Brakes
1983MercuryZephyr—Rear Right9 In. Brakes
1982FordFairmont—Rear Left9 In. Brakes
1982FordFairmont—Rear Right9 In. Brakes
1982FordMustang—Rear Left—
1982FordMustang—Rear Right—
1982FordThunderbird—Rear Left9 In. Brakes
1982FordThunderbird—Rear Right9 In. Brakes
1982MercuryCapri—Rear Left—
1982MercuryCapri—Rear Right—
1982MercuryCougar—Rear Left9 In. Brakes
1982MercuryCougar—Rear Right9 In. Brakes
1982MercuryZephyr—Rear Left9 In. Brakes
1982MercuryZephyr—Rear Right9 In. Brakes
1981FordFairmont—Rear Left9 In. Brakes
1981FordFairmont—Rear Right9 In. Brakes
1981FordMustang—Rear Left—
1981FordMustang—Rear Right—
1981FordThunderbird—Rear Left9 In. Brakes
1981FordThunderbird—Rear Right9 In. Brakes
1981MercuryCapri—Rear Left—
1981MercuryCapri—Rear Right—
1981MercuryCougar—Rear Left9 In. Brakes
1981MercuryCougar—Rear Right9 In. Brakes
1981MercuryZephyr—Rear Left9 In. Brakes
1981MercuryZephyr—Rear Right9 In. Brakes
1980FordFairmont—Rear Left9 In. Brakes
1980FordFairmont—Rear Right9 In. Brakes
1980FordMustang—Rear Left—
1980FordMustang—Rear Right—
1980FordPinto—Rear Left—
1980FordPinto—Rear Right—
1980FordThunderbird—Rear Left9 In. Brakes
1980FordThunderbird—Rear Right9 In. Brakes
1980MercuryBobcat—Rear Left—
1980MercuryBobcat—Rear Right—
1980MercuryCapri—Rear Left—
1980MercuryCapri—Rear Right—
1980MercuryCougar—Rear Left9 In. Brakes
1980MercuryCougar—Rear Right9 In. Brakes
1980MercuryZephyr—Rear Left9 In. Brakes
1980MercuryZephyr—Rear Right9 In. Brakes
1979FordFairmont—Rear Left9 In. Brakes
1979FordFairmont—Rear Right9 In. Brakes
1979FordMustang—Rear Left—
1979FordMustang—Rear Right—
1979FordPinto—Rear Left—
1979FordPinto—Rear Right—
1979MercuryBobcat—Rear Left—
1979MercuryBobcat—Rear Right—
1979MercuryCapri—Rear Left—
1979MercuryCapri—Rear Right—
1979MercuryZephyr—Rear Left9 In. Brakes
1979MercuryZephyr—Rear Right9 In. Brakes
1978FordFairmont—Rear Left9 In. Brakes
1978FordFairmont—Rear Right9 In. Brakes
1978FordPinto—Rear Left—
1978FordPinto—Rear Right—
1978MercuryBobcat—Rear Left—
1978MercuryBobcat—Rear Right—
1978MercuryZephyr—Rear Left9 In. Brakes
1978MercuryZephyr—Rear Right9 In. Brakes
1977FordPinto—Rear Left—
1977FordPinto—Rear Right—
1977MercuryBobcat—Rear Left—
1977MercuryBobcat—Rear Right—
1976FordPinto—Rear Left—
1976FordPinto—Rear Right—
1976MercuryBobcat—Rear Left—
1976MercuryBobcat—Rear Right—
1975FordPinto—Rear Left—
1975FordPinto—Rear Right—
1975MercuryBobcat—Rear Left—
1975MercuryBobcat—Rear Right—
1974FordPinto—Rear Left—
1974FordPinto—Rear Right—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
3L5Z2C077CA211354D6OZ-2A642-A