HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC5166 Suspension Ball Joint - Front Upper
Part #: TC5166

Delphi TC5166 Suspension Ball Joint - Front Upper

Front Upper
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$27.98Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, Miata
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Delphi Suspension Ball Joint for Mazda Miata TC5166

The Delphi TC5166 suspension ball joint is engineered for front upper suspension applications on Mazda Miata models. Constructed from durable steel with a gray finish, this standard-grade ball joint assembly offers reliable performance and longevity for your vehicle's suspension system.

Key Features of Delphi TC5166 Suspension Ball Joint

  • Material: High-strength steel construction for durability
  • Maximum outside diameter: 1.51 inches (38.3 mm)
  • Color: Gray finish for corrosion resistance
  • Includes dust boot made from chloroprene rubber to protect against contaminants
  • Press-in mounting type with metric tapered stud design
  • Comes with mounting hardware included for installation
  • Standard suspension grade type suitable for everyday driving conditions
  • Compatible with front upper suspension position on Mazda Miata

Detailed Description of Delphi TC5166 Ball Joint

The Delphi TC5166 suspension ball joint is designed specifically for the front upper suspension of Mazda Miata vehicles. Its steel construction ensures structural integrity under typical driving stresses, while the gray finish helps resist corrosion. The included chloroprene rubber dust boot protects the joint from dirt and moisture, extending service life. This ball joint features a press-in mounting type and a tapered metric stud, which provides a secure fit and reliable steering response. Although it does not include a grease fitting or castle nut, the assembly comes complete with necessary mounting hardware for straightforward installation.

Common Suspension Issues Addressed by This Ball Joint

  • Eliminates excessive play or looseness in the front upper suspension
  • Reduces uneven tire wear caused by worn ball joints
  • Improves steering stability and handling response
  • Prevents suspension noise such as clunking or knocking
  • Protects suspension components from dirt and moisture ingress

Installation Notes and Tips

  • Compatible with Mazda Miata front upper suspension only
  • Press-in installation requires appropriate tools for safe removal and fitting
  • Ensure mounting hardware is securely tightened to manufacturer torque specifications
  • Inspect surrounding suspension components during installation for wear or damage
  • Replacement of cotter pins or castle nuts is not required as they are not included

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet OEM standards for fit and function. The TC5166 ball joint undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Delphi typically offers coverage against manufacturing defects to provide confidence in your purchase.

BrandDelphi
Part NumberTC5166
Ball Joint AssemblyYes
Castle Nut IncludedNo
ColorGray
Cotter Pin HoleNo
Cotter Pin IncludedNo
Dust Boot IncludedYes
Dust Boot MaterialCholoroprene Rubber (CR)
Grease Fitting IncludedNo
MaterialSteel
Maximum Outside Diameter1.51
Maximum Outside Diameter38.3
Mounting Hardware IncludedYes
Mounting TypePress In
Position(s)Front Upper
Stud TypeMetric
Suspension Grade TypeStandard
Tapered StudYes

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
1997MazdaMiataFront Upper
1996MazdaMiataFront Upper
1995MazdaMiataFront Upper
1994MazdaMiataFront Upper
1993MazdaMiataFront Upper
1992MazdaMiataFront Upper
1991MazdaMiataFront Upper
1990MazdaMiataFront Upper

* 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:

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