Delphi TC659 Suspension Ball Joint - Front Lower
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Delphi

Delphi TC659 Suspension Ball Joint - Front Lower

Brand Delphi TC659
Position Front Lower
Adjustable No
Dust Boot Included Yes
Dust Boot Material Rubber
Grease Fitting Included No
Greaseable No
Height 67.6
Item Grade Standard Replacement
Length 145
Material Ball Material - Alloy Steel SAE 5140, Housing Material - Carbon Steel SAE 1040
Maximum Outside Diameter 2.244
Maximum Outside Diameter 57.0
Mounting Hardware Included No
Stud Type Pinch Bolt
Width 40.0
Fits Mercury and Mazda · 11 vehicles

Standard replacement. OE expertise helps ensure compatibility with the original part.

Alloy steel ball. Carbon steel housing adds strength for dependable suspension performance.

Rubber dust boot. Helps protect the joint from dirt and moisture.

Cross-references Mevotech Supreme MK9607, 101-3894 and B092-34-550 for the same application. See all 5.

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OE-Style Front Lower Ball Joint

Delphi TC659 is a standard replacement suspension ball joint for the front lower position. It is built with OE-focused dimensional and material analysis to support proper fit on select Mercury Capri, Mazda 323, and Mercury Tracer applications.

For buyers searching for a front lower ball joint for 1986-1989 Mazda 323, 1987-1989 Mercury Tracer, or 1991-1994 Mercury Capri, Delphi TC659 provides an OE-style replacement backed by Delphi’s aftermarket steering and suspension expertise.

Key Features

  • Front lower suspension ball joint
  • Standard replacement grade for OE-style service
  • Ball material: Alloy Steel SAE 5140
  • Housing material: Carbon Steel SAE 1040
  • Rubber dust boot included
  • Pinch bolt stud type
  • Non-greaseable design
  • No grease fitting included
  • Not adjustable
  • Cross-reference part numbers include Mevotech Supreme MK9607 and Monroe 101-3894

Product Details

Delphi TC659 is engineered for the front lower suspension location and built to match OE dimensional and material requirements as closely as possible. Delphi subjects its OE and aftermarket components to extreme temperature and corrosion testing, including exposure below -40 degrees C, above 120 degrees C, and extended salt-spray testing, helping validate durability in demanding road conditions. This part number is a direct service option for drivers maintaining factory-style steering and suspension performance on the Mercury Capri, Mazda 323, and Mercury Tracer.

What It Helps Address

  • Front-end looseness from a worn lower ball joint
  • Clunking or knocking from the front suspension
  • Uneven steering response caused by joint wear
  • Excess play at the lower control arm connection
  • Inspection failure related to suspension joint wear

Installation Notes

Verify front lower position, stud type, and vehicle application before installation. This part uses a pinch bolt stud design and does not include mounting hardware or a grease fitting. Inspect the surrounding suspension components, control arm condition, and fasteners during service to confirm a complete repair.

Quality Assurance

Delphi applies OE-level engineering methods, dimensional checks, and material analysis to support fit and function across aftermarket applications. The part is tested for temperature extremes and salt-spray exposure to help confirm durability for everyday suspension service.

Vehicle Fitment

  • Fits 1991-1994 Mercury Capri, front lower
  • Fits 1986-1989 Mazda 323, front lower
  • Fits 1987-1989 Mercury Tracer, front lower

Related reading

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1994MercuryCapriFront Lower—
1993MercuryCapriFront Lower—
1992MercuryCapriFront Lower—
1991MercuryCapriFront Lower—
1989Mazda323Front Lower—
1989MercuryTracerFront Lower—
1988Mazda323Front Lower—
1988MercuryTracerFront Lower—
1987Mazda323Front Lower—
1987MercuryTracerFront Lower—
1986Mazda323Front Lower—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mevotech Supreme — MK9607101-3894B092-34-550B9607K9607