Delphi TD346W Suspension Control Arm Bracket - Front Left

Front Left Suspension Control Arm Bracket for BMW

Restore proper suspension mounting with this Delphi suspension control arm bracket, part number TD346W. It is a standard replacement for the front left position and is built for BMW applications that require OE-style dimensional accuracy and material consistency.

Key Features

• Brand: Delphi
• Part number: TD346W
• Part type: Suspension Control Arm Bracket
• Item grade: Standard Replacement
• Position: Front Left
• OE-focused dimensional and material analysis for fit consistency
• Tested for temperature extremes below -40 degrees C and above 120 degrees C
• Exposed to 720 hours of salt spray testing for corrosion resistance validation

Detailed Description

Delphi TD346W is a front left suspension control arm bracket engineered for BMW chassis applications that need a direct replacement mounting solution. Delphi applies OE development experience to its aftermarket steering and suspension portfolio, with testing and material analysis aimed at matching the original part’s fit and function. This part cross-references BMW 31 12 1 139 789 for the same application.

Compatible With BMW Z3 front left, BMW 318i front left, BMW 318is front left, BMW 318ti front left, BMW 323i front left, BMW 323is front left, BMW 328i front left, BMW 328is front left, BMW M3 front left, BMW 320i front left, BMW 325i front left, and BMW 325is front left. Searchers looking for a BMW Z3 front left suspension control arm bracket or a BMW M3 front left bracket will find this OE-style replacement under TD346W.

What It Helps Fix

• Worn or damaged front left control arm bracket mounting points
• Suspension looseness caused by bracket deformation or fatigue
• Improper control arm alignment at the front left corner
• Noisy or unstable front suspension attachment points
• Fitment issues from using an incorrect BMW replacement bracket

Installation Notes and Tips

Verify the vehicle’s front left suspension configuration before installation and compare the original bracket to TD346W for mounting geometry and orientation. Confirm the BMW part number 31 12 1 139 789 interchange when cross-checking catalog data. Professional installation is recommended so the bracket is aligned correctly with the control arm and surrounding suspension components.

Quality Assurance

Delphi validates this bracket through extreme-temperature testing and extended salt spray exposure, along with dimensional and material analysis to support OE-level fit consistency. The result is a standard replacement part built for BMW front left suspension service, including applications such as BMW 318i front left and BMW Z3 front left.