HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC1848 Suspension Ball Joint - Front Lower
Part #: TC1848

Delphi TC1848 Suspension Ball Joint - Front Lower

Front Lower
⚙️ 19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Oldsmobile, Buick, and Pontiac, Lumina, Monte Carlo, Cutlass Supreme, Regal, and Grand Prix
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Delphi Suspension Ball Joint TC1848 Overview

The Delphi Suspension Ball Joint TC1848 is engineered for reliable suspension performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with durable steel construction and a protective dust boot, this ball joint supports smooth steering and suspension articulation for models like the Cutlass Supreme, Grand Prix, Lumina, Monte Carlo, and Regal.

  • Constructed from high-strength steel for durability
  • Includes a dust boot to protect against contaminants
  • Standard suspension grade type for everyday driving conditions
  • Comes with mounting hardware and nuts for installation
  • Compatible with Buick Cutlass Supreme, Chevrolet Lumina, Pontiac Grand Prix, and more

Technical Specifications and Features

The TC1848 ball joint features a maximum outside diameter of 1.929 inches (49.0 mm) and a length of 110 mm, providing precise fitment for compatible vehicles. The stud thread diameter measures 0.63 inches (16.0 mm) with a stud thread length of 1.051 inches (26.7 mm), ensuring secure attachment. The assembly includes a black-colored ball joint with a height of 3.858 inches (98.0 mm) and a width of 87.0 mm. This part is not adjustable and does not include grease fittings, bushings, or cotter pins, but it does come with mounting bolts and nuts for a complete installation.

Compatible Vehicles and Applications

This Delphi suspension ball joint TC1848 is compatible with a range of GM vehicles, specifically:

  • Buick Cutlass Supreme
  • Chevrolet Lumina
  • Oldsmobile Regal
  • Pontiac Grand Prix
  • Pontiac Monte Carlo

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 TC1848 Ball Joint

  • Excessive play or looseness in the suspension
  • Uneven tire wear caused by misalignment
  • Clunking or knocking noises during driving
  • Steering instability or wandering
  • Reduced suspension responsiveness and handling

Installation Notes and Tips

Installation of the Delphi TC1848 ball joint requires basic suspension knowledge and appropriate tools. The included mounting hardware and nuts simplify the process, but note that a grease fitting is not included, so pre-lubrication or professional servicing may be necessary. Ensure the dust boot is properly seated to prevent contamination. Verify torque specifications for mounting bolts and nuts according to vehicle manufacturer guidelines.

Quality Assurance and Warranty

Delphi suspension components are manufactured to meet OEM standards for fit, form, and function. The TC1848 ball joint undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Delphi typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

BrandDelphi
Part NumberTC1848
AdjustableNo
Ball Joint AssemblyYes
Bushings IncludedNo
Castle Nut IncludedNo
ColorBlack
Cotter Pin HoleNo
Cotter Pin IncludedNo
Distance Between Mounting Holes84.0
Dust Boot IncludedYes
Dust Boot MaterialCholoroprene Rubber (CR)
Grease Fitting IncludedNo
Height3.858
Height98.0
Item GradeStandard Replacement
Length110
MaterialSteel
Maximum Outside Diameter1.929
Maximum Outside Diameter49.0
Mount Plate IncludedNo
Mounting Bolt Head Diameter1.047
Mounting Bolt Head Diameter26.6
Mounting Bolt Length1.26
Mounting Bolt Length32.0
Mounting Bolt Shank Diameter0.472
Mounting Bolt Shank Diameter12.0
Mounting Bolt Thread Diameter12.0
Mounting Bolt Thread Length0.787
Mounting Bolt Thread Length20.0
Mounting Bolt Thread Pitch1.25
Mounting Bolts IncludedYes
Mounting Hardware IncludedYes
Mounting Hole Quantity3
Mounting TypeBolt On
Nuts IncludedYes
Position(s)Front Lower
Stud Tapered End 1 Diameter0.809
Stud Tapered End 1 Diameter20.55
Stud Tapered End 2 Diameter0.957
Stud Tapered End 2 Diameter24.3
Stud Thread Diameter0.63
Stud Thread Diameter16.0
Stud Thread Length1.051
Stud Thread Length26.7
Stud Thread Pitch1.5
Stud TypeThreaded
Suspension Grade TypeStandard
Tapered StudYes
Washers IncludedNo
Width87.0
Wrench Size0.63
Wrench Size16.0

This part fits 19 vehicles. Search below:

YearMakeModelPositionNotes
2001ChevroletLuminaFront Lower
2000ChevroletLuminaFront Lower
1999ChevroletLuminaFront Lower
1999ChevroletMonte CarloFront Lower
1998ChevroletLuminaFront Lower
1998ChevroletMonte CarloFront Lower
1997ChevroletLuminaFront Lower
1997ChevroletMonte CarloFront Lower
1997OldsmobileCutlass SupremeFront Lower
1996BuickRegalFront Lower
1996ChevroletLuminaFront Lower
1996ChevroletMonte CarloFront Lower
1996OldsmobileCutlass SupremeFront Lower
1996PontiacGrand PrixFront Lower
1995BuickRegalFront Lower
1995ChevroletLuminaFront Lower
1995ChevroletMonte CarloFront Lower
1995OldsmobileCutlass SupremeFront Lower
1995PontiacGrand PrixFront 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:

1798889017989117B5301BJ55025BJ92095CA90523JBJ1010K5301MK5301

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