Dorman 527-181 Lateral Arm - Rear Left Upper Rearward

Brand Dorman 527-181
Position Rear Left Upper Rearward
Material Steel
Bushing Color Black
Length 565.5
Color Black
End 1 Type Bushing
End 2 Type Bushing
Mount Stud Quantity 0
Bushings Included Yes
Mounting Hardware Included No
Greaseable No
Bushing Material Rubber
Bushing Material Steel
Adjustable No
Attachment Type Bolt-on
Ball Joint Included No
Ball Joint Installed No
Control Arm Type Boxed
Grease Fitting Included No
Item Grade Standard replacement
Mounting Hole Diameter 14.5 mm
Package Contents 1 lateral arm
Pre Greased No
Fits Buick and Chevrolet · 13 vehicles

Standard replacement. Precision-engineered and rigorously tested for reliable OE-style performance.

Bolt-on installation. Direct replacement with bushings included and no mounting hardware.

Steel construction. Boxed design with rubber bushings for dependable suspension support.

Cross-references 84149391 for the same application. See all 1.

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Dorman 527-181 Rear Left Upper Rearward Lateral Arm

Dorman 527-181 is a steel lateral arm built for specific rear suspension applications on the Chevrolet Malibu and Buick Regal Sportback. It is precision-engineered and tested as a direct replacement for the original equipment arm on the listed vehicles.

Key Features

  • Steel construction with a black finish
  • Rubber bushings included at both ends
  • Bolt-on attachment with 14.5 mm mounting hole diameter
  • Boxed control arm design for rear suspension service
  • Standard replacement part for OE-style fit and function
  • Compatible With 2016-2025 Chevrolet Malibu, rear left upper rearward
  • Compatible With 2018-2020 Buick Regal Sportback, rear left upper rearward

Detailed Description

This lateral arm is built for rear left upper rearward suspension locations and is intended for vehicles that require a direct OE-style replacement. The steel body, rubber bushings, and bolt-on design support stable suspension geometry in the rear of the Chevrolet Malibu and Buick Regal Sportback. Part number 527-181 is also referenced by OE interchange 84149391 for the same application.

Use Dorman 527-181 when servicing rear suspension wear on 2016-2025 Chevrolet Malibu and 2018-2020 Buick Regal Sportback models. The arm is not adjustable, is not greaseable, and does not include mounting hardware.

Common Repair Uses

  • Rear suspension clunking from worn bushings
  • Excessive rear wheel movement or looseness
  • Uneven rear tire wear related to suspension alignment issues
  • Restoring factory-style rear suspension control
  • Replacing a bent or fatigued lateral arm

Installation Notes and Tips

Confirm the rear left upper rearward position before installation and verify the 14.5 mm mounting hole diameter matches the vehicle mounting point. Because this arm is not adjustable, final alignment should be checked after installation. Part number 527-181 is a direct-fit replacement for the listed applications, including Chevrolet Malibu and Buick Regal Sportback rear suspension service.

Quality Assurance

Dorman manufactures this lateral arm as a standard replacement component and subjects it to engineering and testing checks to support reliable OE-style service on the specified vehicles.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2025ChevroletMalibuRear Left Upper Rearward
2024ChevroletMalibuRear Left Upper Rearward
2023ChevroletMalibuRear Left Upper Rearward
2022ChevroletMalibuRear Left Upper Rearward
2021ChevroletMalibuRear Left Upper Rearward
2020BuickRegal SportbackFWDRear Left Upper Rearward
2020ChevroletMalibuRear Left Upper Rearward
2019BuickRegal SportbackFWDRear Left Upper Rearward
2019ChevroletMalibuRear Left Upper Rearward
2018BuickRegal SportbackFWDRear Left Upper Rearward
2018ChevroletMalibuRear Left Upper Rearward
2017ChevroletMalibuRear Left Upper Rearward
2016ChevroletMalibuRear Left Upper Rearward
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
84149391