Delphi TD801W Suspension Control Arm Bolt - Rear Lower

Delphi TD801W Rear Lower Suspension Control Arm Bolt

The Delphi TD801W is a standard replacement suspension control arm bolt for rear lower applications. Built for OE-style fit and material compatibility, it supports secure suspension assembly on select Mercedes-Benz models, including C-Class and E-Class platforms.

Key Features

• Standard replacement suspension control arm bolt
• Rear lower position
• OE-focused dimensional and material analysis for fit consistency
• Tested for extreme temperatures below -40 C and above 120 C
• Exposed to 720 hours of salt spray during validation
• Delphi OE expertise applied to aftermarket steering and suspension hardware

Detailed Description

Delphi TD801W is a rear lower suspension control arm bolt engineered for direct replacement use on select Mercedes-Benz vehicles. It is built around OE safety technology and validated to meet demanding environmental and dimensional requirements, helping maintain proper suspension fastening where precise hardware fit matters. This part cross-references 1403500870 for the same application. Compatible With Mercedes-Benz 190E, 300D, 300E, 300TE, 260E, 400E, 500E, C220, C280, C36 AMG, E300, E420, and E500 rear lower applications.

What It Helps Address

• Loose or worn rear lower control arm fastening
• Suspension noise caused by degraded hardware
• Improper alignment retention after hardware wear
• Corrosion-related replacement needs in underbody suspension components
• Fitment issues from using incorrect OE-style hardware

Installation Notes and Tips

Verify the rear lower suspension position before installation and confirm the vehicle application against the part number TD801W. Inspect the surrounding control arm, bushings, and mounting points for wear or damage before reassembly. Follow factory service procedures and torque specifications for the specific Mercedes-Benz model being serviced.

Quality Assurance

Delphi validates this hardware through temperature cycling and salt-spray exposure testing, along with dimensional and material analysis to support OE-level compatibility. The brand applies OE engineering experience from its original equipment programs to its aftermarket steering and suspension portfolio.