HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC5771 Suspension Ball Joint - Front Lower
Part #: TC5771

Delphi TC5771 Suspension Ball Joint - Front Lower

Front Lower
11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, G10 Van, G20 Van, G15/G1500 Van, G25/G2500 Van, Blazer, C10 Pickup, C10 Suburban, P10 Van, C15/C1500 Pickup, C15/C1500 Suburban, Jimmy, P15/P1500 Van, C10 Panel, P10 Series, Suburban, P1000, and PB1000 Series
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Delphi Suspension Ball Joint for Chevrolet and GMC Vehicles

The Delphi TC5771 suspension ball joint is engineered for reliable performance in Chevrolet and GMC trucks and SUVs. Designed specifically for models like the Blazer, C10 Suburban, and Jimmy, this steel ball joint assembly offers durable construction and essential hardware for a secure fit.

  • Constructed from high-strength steel with a black finish for corrosion resistance
  • Includes castle nut, cotter pin, grease fitting, and mounting hardware for complete installation
  • Features a press-in mounting type with a tapered threaded stud for precise fitment
  • Equipped with a chloroprene rubber dust boot to protect against contaminants
  • Greaseable design allows for maintenance and extended service life

Durable Design and Precise Fitment

The Delphi TC5771 suspension ball joint is built to meet standard suspension grade requirements, ensuring dependable operation under typical driving conditions. With a maximum outside diameter of 56 mm and a length of 56 mm, this ball joint assembly fits securely in the suspension system of Chevrolet Blazer, GMC Jimmy, and C10 Suburban models. The inclusion of a grease fitting and a dust boot made from chloroprene rubber helps maintain smooth articulation and protects internal components from dirt and moisture. The tapered stud with a thread length of 22.5 mm and a taper per foot of 0.06 ensures a tight, secure connection when pressed into place.

Compatible Vehicles and Applications

This suspension ball joint is compatible with the following vehicles:

  • Chevrolet Blazer
  • GMC Jimmy
  • Chevrolet C10 Suburban

It is designed to replace worn or damaged ball joints in these models, restoring proper suspension geometry and steering control.

Common Issues Addressed by the Delphi TC5771 Ball Joint

  • Excessive play or looseness in the suspension linkage
  • Uneven tire wear caused by misaligned suspension components
  • Clunking or knocking noises during steering or over bumps
  • Reduced steering responsiveness and vehicle stability
  • Contaminant ingress leading to premature joint failure

Installation Notes and Tips

  • Ensure the suspension is properly supported before removing the old ball joint
  • Use a press tool to install the ball joint securely into the mounting location
  • Verify the tapered stud seats fully and torque the castle nut to manufacturer specifications
  • Install the included cotter pin to lock the castle nut in place
  • Grease the ball joint through the fitting after installation to ensure smooth operation

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet industry standards for durability and performance. The TC5771 ball joint assembly includes all necessary mounting hardware and protective features to ensure long service life. While specific warranty details may vary, Delphi products typically come with a limited warranty against defects in materials and workmanship, providing confidence in the replacement part.

BrandDelphi
Part NumberTC5771
AdjustableNo
Ball Joint AssemblyYes
Bushings IncludedNo
Castle Nut IncludedYes
ColorBlack
Cotter Pin HoleYes
Cotter Pin IncludedYes
Dust Boot IncludedYes
Dust Boot MaterialCholoroprene Rubber (CR)
Grease Fitting IncludedYes
GreaseableYes
Height4.29
Item GradeStandard Replacement
Length56
MaterialSteel
Maximum Outside Diameter2.2
Maximum Outside Diameter56.0
Mount Plate IncludedNo
Mounting Hardware IncludedYes
Mounting TypePress In
Nuts IncludedYes
Position(s)Front Lower
Stud Taper Per Foot0.06
Stud Tapered End 1 Diameter0.74
Stud Tapered End 1 Diameter18.78
Stud Tapered End 2 Diameter0.88
Stud Tapered End 2 Diameter22.4
Stud Thread Length0.89
Stud Thread Length22.5
Stud Threads Per Inch18
Stud TypeThreaded
Suspension Grade TypeStandard
Tapered StudYes
Washers IncludedNo
Width55.9

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
1972GMCG15/G1500 VanFront Lower
1972GMCG25/G2500 VanFront LowerRWD
1971GMCG15/G1500 VanFront Lower
1971GMCG25/G2500 VanFront Lower
1970ChevroletBlazerFront LowerRWD
1970ChevroletC10 SuburbanFront Lower
1970GMCJimmyFront Lower
1969ChevroletBlazerFront LowerRWD
1969ChevroletC10 SuburbanFront Lower
1968ChevroletC10 SuburbanFront Lower
1967ChevroletC10 SuburbanFront Lower

* 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:

3829439567891478077169757706K6023

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