HomeStandard Ignition PBA042 Parking Brake Actuator - Rear Left
Part #: PBA042

Standard Ignition PBA042 Parking Brake Actuator - Rear Left

Rear Left
11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$141.24Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick and Chevrolet, Encore GX and Trailblazer
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Parking Brake Actuator for Encore GX and Trailblazer

Standard Ignition PBA042 is a parking brake actuator built for rear left applications on select Buick and Chevrolet models. It is a direct-fit service part for 2020-2025 Buick Encore GX and 2021-2025 Chevrolet Trailblazer parking brake repairs.

Key Features

  • Parking brake actuator for rear left mounting position
  • Electrical connector quantity: 1
  • Electrical connector gender: female
  • Electrical connector shape: oval and rectangular
  • Electrical terminal quantity: 2
  • Electrical terminal type: blade
  • Electrical terminal gender: male
  • Mounting hardware included
  • Includes O-ring and mounting bolts
  • Contents: 1 actuator

Detailed Description

Standard Ignition PBA042 is a parking brake actuator engineered for rear left service on the Buick Encore GX and Chevrolet Trailblazer. It uses a single female electrical connector with two blade-style male terminals and is supplied with an O-ring and mounting bolts for a complete replacement at the actuator location. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application. For buyers searching for a 2020-2025 Buick Encore GX rear left parking brake actuator or a 2021-2025 Chevrolet Trailblazer rear left parking brake actuator, PBA042 provides the specified connector and mounting configuration.

Common Repair Uses

  • Parking brake actuator failure at the rear left wheel end
  • Electrical connector or terminal damage at the actuator
  • Brake system warning related to actuator operation
  • Loss of parking brake engagement or release function
  • Leakage at the actuator seal area requiring O-ring replacement

Installation Notes and Tips

Verify rear left fitment before installation on the Buick Encore GX or Chevrolet Trailblazer. Match the oval/rectangular connector style, terminal count, and mounting points to the original unit before removal. Inspect the mounting surface and electrical terminals for corrosion or damage, and replace any worn sealing surfaces during service. Confirm proper parking brake operation after installation.

Quality Assurance

Standard Ignition replacement parts are built for service applications where correct fit, connector style, and mounting configuration matter. PBA042 is identified for the listed vehicle applications and includes the specified O-ring and mounting bolts for the actuator assembly.

BrandStandard Ignition
Part NumberPBA042
Electrical Connector Quantity1
Electrical Connector GenderFemale
Mounting Hardware IncludedYes
Electrical Terminal Quantity2
Electrical Terminal TypeBlade
Electrical Connector ShapeOval, rectangular
Electrical Terminal GenderMale
Contents1 actuator
NotesIncludes o-ring and mounting bolts

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2025BuickEncore GXRear Left
2025ChevroletTrailblazerRear Left
2024BuickEncore GXRear Left
2024ChevroletTrailblazerRear Left
2023BuickEncore GXRear Left
2023ChevroletTrailblazerRear Left
2022BuickEncore GXRear Left
2022ChevroletTrailblazerRear Left
2021BuickEncore GXRear Left
2021ChevroletTrailblazerRear Left
2020BuickEncore GXRear Left

* 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:

13524445EPA042EPB042PBC20042RBA042

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