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Delphi TC509 Suspension Ball Joint - Front Lower Outer or Front OuterOE Quality 60-Day Returns
Part #: TC509

Delphi TC509 Suspension Ball Joint - Front Lower Outer or Front Outer

Front Lower Outer
57 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, Z3, 323i, 328i, 318is, 318ti, 323is, 328is, 318i, 320i, 325i, and 325is
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Delphi Suspension Ball Joint TC509 Overview

The Delphi TC509 suspension ball joint is engineered for reliable performance in BMW vehicles, including models like the 318i, 320i, 325i, 328i, M3, and Z3. Designed with durable steel construction and a pressed mounting type, this ball joint ensures a secure fit and consistent suspension operation.

  • Constructed from high-strength steel for durability
  • Compatible with BMW 318i, 318is, 318ti, 320i, 323i, 323is, 325i, 325is, 328i, 328is, M3, and Z3 models
  • Includes dust boot to protect internal components
  • Comes with mounting hardware and nuts for installation
  • Standard suspension grade type for everyday driving conditions
  • Threaded stud with 12.0 mm diameter and 19.5 mm thread length
  • Silver color finish with a maximum outside diameter of 76 mm

Detailed Product Description

The Delphi TC509 suspension ball joint is a critical component designed to connect the control arm to the steering knuckle, allowing for smooth pivoting and suspension articulation. Made from steel, this ball joint offers strength and resistance to wear. It features a pressed mounting type for a secure and precise fit. The included dust boot helps prevent dirt and debris from entering the joint, extending its service life. This assembly does not include grease fittings or bushings but comes with necessary mounting hardware and nuts to facilitate installation. The stud is threaded with a 12 mm diameter and a 19.5 mm thread length, compatible with the specified BMW models.

Compatible BMW Models and Applications

This suspension ball joint TC509 is compatible with a range of BMW vehicles, including the 318i, 318is, 318ti, 320i, 323i, 323is, 325i, 325is, 328i, 328is, M3, and Z3. It is designed to meet the suspension requirements of these models, ensuring proper fitment and function.

Common Issues Addressed by the Delphi TC509 Ball Joint

  • Excessive suspension noise or clunking during driving
  • Uneven tire wear caused by worn ball joints
  • Loose or unstable steering response
  • Vibration or shaking in the front suspension
  • Reduced suspension articulation and control

Installation Notes and Tips

  • Ensure vehicle is securely lifted and supported before removal
  • Remove old ball joint carefully to avoid damage to control arm
  • Use included mounting hardware and nuts for proper installation torque
  • Verify stud thread diameter (12 mm) and length (19.5 mm) for compatibility
  • Check dust boot integrity after installation to prevent contamination

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet industry standards for durability and performance. The TC509 ball joint is built with quality steel materials and includes protective dust boots to extend service life. While specific warranty details are not provided, Delphi products typically come with manufacturer-backed quality assurance to support reliable operation in compatible BMW models.

BrandDelphi
Part NumberTC509
AdjustableNo
Ball Joint AssemblyYes
Bushings IncludedNo
Castle Nut IncludedNo
ColorSilver
Cotter Pin HoleNo
Cotter Pin IncludedNo
Dust Boot IncludedYes
Dust Boot MaterialCholoroprene Rubber (CR)
Grease Fitting IncludedNo
GreaseableNo
Height3.661
Height93.0
Item GradeStandard Replacement
Length76
MaterialSteel
Maximum Outside Diameter2.992
Maximum Outside Diameter76.0
Mount Plate IncludedNo
Mounting Bolts IncludedNo
Mounting Hardware IncludedYes
Mounting Hole Quantity0
Mounting TypePressed
Nuts IncludedYes
Position(s)Front Lower Outer, Front Outer. For the position specific to your vehicle, refer to the Application tab.
Stud Tapered End 1 Diameter0.567
Stud Tapered End 1 Diameter14.4
Stud Tapered End 2 Diameter0.65
Stud Tapered End 2 Diameter16.5
Stud Thread Diameter0.472
Stud Thread Diameter12.0
Stud Thread Length0.768
Stud Thread Length19.5
Stud Thread Pitch1.5
Stud TypeThreaded
Suspension Grade TypeStandard
Tapered StudYes
Washers IncludedNo
Width76.0
Wrench Size0.748
Wrench Size19.0

This part fits 57 vehicles. Search below:

YearMakeModelPositionNotes
2002BMWZ3Front Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
2001BMWZ3Front Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
2000BMW323iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
2000BMW328iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
2000BMWZ3Front Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1999BMW318isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1999BMW318tiFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1999BMW323iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1999BMW323isFront Lower Outer
1999BMW328iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1999BMW328isFront Lower Outer
1999BMWM3Front Lower Outer
1999BMWZ3Front Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1998BMW318iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1998BMW318isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1998BMW318tiFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1998BMW323iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1998BMW323isFront Lower Outer
1998BMW328iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1998BMW328isFront Lower Outer
1998BMWM3Front Lower Outer
1998BMWZ3Front Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1997BMW318iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1997BMW318isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1997BMW318tiFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1997BMW328iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1997BMW328isFront Outer
1997BMWM3Front Lower Outer
1997BMWZ3Front Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1996BMW318iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1996BMW318isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1996BMW318tiFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1996BMW328iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1996BMW328isFront Outer
1996BMWM3Front Lower Outer
1996BMWZ3Front Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1995BMW318iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1995BMW318isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1995BMW318tiFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1995BMW320iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1995BMW325iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1995BMW325isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1994BMW318iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1994BMW318isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1994BMW320iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1994BMW325iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1994BMW325isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1993BMW318iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1993BMW318isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1993BMW320iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1993BMW325iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1993BMW325isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1992BMW318iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1992BMW318isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1992BMW320iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1992BMW325iFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.
1992BMW325isFront Lower OuterFits multiple vehicles with standard design for Suspension Control Arm and Ball Joint Assembly.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

101-51143112 1096 6853112 1140 3983112 6758 510B9916JBJ122K500080K9916MK9916

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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