Delphi TC4540 Suspension Trailing Arm - Rear Left

Rear Left Suspension Trailing Arm

Delphi TC4540 is a rear left suspension trailing arm built as a standard replacement for select Kia Sportage and Hyundai Tucson applications. It uses stamped steel construction with a painted finish and rubber bushings to match OE-style mounting and ride characteristics.

Engineered with Delphi OE-focused dimensional and material analysis, this trailing arm is built for direct replacement service on the rear left side. Delphi also subjects its parts to temperature and corrosion testing to help verify durability in demanding underbody conditions.

Key Features

• Part number: TC4540
• Rear left suspension trailing arm
• Stamped steel construction with painted finish
• Rubber bushing with black bushing color
• Bolt-on attachment method
• Standard replacement grade
• No ball joint included
• No mounting hardware included
• Not adjustable and not greaseable

Detailed Description

Delphi TC4540 is a suspension trailing arm for the rear left position, made for 2017-2022 Kia Sportage and 2016-2021 Hyundai Tucson models. The stamped steel body and rubber bushing are selected for OE-style fitment and consistent suspension location, while the painted finish helps protect the part in everyday service. If you are replacing a worn rear suspension trailing arm on a Kia Sportage or Hyundai Tucson, TC4540 provides a direct-fit service part for the rear left side.

This part cross-references Mevotech Supreme CMS901238 for the same application.

What It Helps Address

• Rear suspension looseness or instability
• Clunking or knocking from the rear suspension area
• Uneven rear tire wear caused by worn suspension geometry
• Excess movement from deteriorated trailing arm bushings
• Restoring rear left suspension alignment and control

Installation Notes

Verify rear left position before installation. This trailing arm uses a bolt-on mounting design and does not include mounting hardware, so reuse or replacement hardware should be confirmed during service. Inspect adjacent bushings, fasteners, and suspension components for wear before final alignment.

Compatible with 2017-2022 Kia Sportage, rear left and 2016-2021 Hyundai Tucson, rear left. Part number TC4540 is also referenced in OE-style replacement searches for these applications.

Quality Assurance

Delphi applies OE-focused engineering, dimensional checks, and material analysis to support fit and function. The part is also tested across extreme temperatures and salt-spray exposure to evaluate durability in harsh operating conditions.