Help quiet a clunking, wandering front end and firm up the front upper control-arm pivots with the Delphi Suspension Control Arm Bushing Kit TD4058W. This front upper bushing kit is a direct-fit replacement for many vehicles, among them the 2003-2011 Ford Crown Victoria, 2003-2011 Lincoln Town Car and 2003-2011 Mercury Grand Marquis; see the "Vehicles it fits" section for the full list. The bushings cushion the front upper control arm at its mounting points, isolating road vibration and locating the arm as the suspension moves.
Delphi applies its OE expertise to its aftermarket steering portfolio, backed by extensive dimensional and material analysis for close compatibility between the OE and aftermarket part.
- Designed to OE standards: engineered to match the original bushings' specifications.
- Built for consistent life: manufactured for a consistent service life.
- Noise reduction: made to help reduce noise, and to assist in restoring the vehicle's smooth ride.
- Tested to the extreme: validated below -40°C and above 120°C, and exposed to 720 hours of salt spray.
If worn front upper control-arm bushings are the cause of vibration, clunking on acceleration or braking, or a wandering front end, this kit replaces them.
Interchange: 520-206 · 521-142 · 4W1Z 3084-AA · 4W1Z 3085-AA · 5W1Z 3084-AA · 6W1Z 3084-B · 6W1Z-3084-RH
520206 · 521142 · 4W1Z3084AA · 4W1Z3085AA · 5W1Z3084AA · 6W1Z3084B · 6W1Z3084RH · CB80038 · CB80038PR · 6W1Z3084U · BCK85006 · CB85088 · CB85088PR · CK80038 · K500042 · K8837 · RK80038 · MS404104 · JBU943
This part cross-references / interchanges with the following part numbers:
520-206, 521-142, CB80038, CB80038PR, 4W1Z 3084-AA, 4W1Z 3085-AA, 5W1Z 3084-AA, 6W1Z 3084-B, 6W1Z-3084-RH, 6W1Z3084U, BCK85006, CB85088, CB85088PR, CK80038, K500042, K8837, RK80038, MS404104, JBU943
Frequently Asked Questions
What vehicles does the Delphi TD4058W suspension control arm bushing kit fit?
It is a direct-fit replacement for many vehicles, among them the 2003-2011 Ford Crown Victoria, 2003-2011 Lincoln Town Car and 2003-2011 Mercury Grand Marquis. See the "Vehicles it fits" section for the full list.
Where on the vehicle do these bushings install?
They serve the front upper control arm, cushioning its mounting points to isolate road vibration and help locate the arm as the suspension travels.
What are the signs my control arm bushings may need replacing?
Signs may include vibration, clunking on acceleration or braking, and a wandering front end. Have the cause diagnosed, since these symptoms can come from other worn suspension parts.
How were these Delphi bushings tested?
Delphi validates them below -40°C and above 120°C and exposes them to 720 hours of salt spray, with dimensional and material analysis for OE compatibility.
Are these bushings designed to reduce noise?
Yes. They are made to help reduce noise and to assist in restoring the vehicle's smooth ride, and are designed to OE standards and manufactured for consistent life.
