Delphi TC6494 Suspension Ball Joint - Front Lower

Brand Delphi TC6494
Position Front Lower
Adjustable No
Ball Joint Assembly Yes
Bushings Included No
Castle Nut Included Yes
Color Black
Cotter Pin Hole Yes
Cotter Pin Included Yes
Dust Boot Included Yes
Dust Boot Material Choloroprene Rubber (CR)
Grease Fitting Included Yes
Greaseable Yes
Height 101.1
Item Grade Standard Replacement
Material Steel
Maximum Outside Diameter 63.5
Mounting Hardware Included No
Mounting Type Press In
Nuts Included No
Stud Tapered End 1 Diameter 19.65
Stud Tapered End 2 Diameter 22.3
Stud Thread Diameter 15.84
Stud Thread Length 15.5
Stud Type Metal
Suspension Grade Type Standard
Tapered Stud Yes
Washers Included No
Width 63.5
Fits Checker, Oldsmobile, and Cadillac · 43 vehicles

Standard replacement. OE expertise and dimensional analysis help ensure compatibility.

Steel construction. Built with a dust boot and grease fitting for dependable service.

Press-in design. Includes a castle nut and cotter pin for a complete assembly.

Cross-references MOOG Chassis Products K5073, 386203 and 586828 for the same application. See all 6.

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Delphi TC6494 Front Lower Ball Joint

Delphi TC6494 is a standard replacement suspension ball joint built for front lower applications on select Cadillac and Oldsmobile vehicles. It combines a steel body, greaseable design, and included dust boot to support precise steering and suspension movement in demanding road conditions.

Key Features

  • Steel construction with black finish
  • Press-in mounting type for front lower suspension use
  • Grease fitting included for serviceable lubrication
  • Dust boot included with chloroprene rubber material
  • Castle nut and cotter pin included
  • Standard replacement, non-adjustable design
  • Tapered metal stud with cotter pin hole

Detailed Description

Delphi TC6494 is engineered as a front lower suspension ball joint for vehicles including the 1961-1969 Cadillac DeVille, 1965-1969 Cadillac Fleetwood, 1961-1963 Cadillac Commercial Chassis, 1964-1967 Cadillac Commercial Chassis RWD, 1965-1966 Cadillac Eldorado, 1963-1970 Oldsmobile 98, 1965-1970 Oldsmobile Delta 88, and 1963-1966 Oldsmobile Starfire. This part number, TC6494, reflects Delphi’s OE-focused approach to dimensional and material analysis for aftermarket steering and suspension service. It is built to handle extreme temperature exposure and salt-spray testing standards associated with OE validation practices.

This part cross-references MOOG Chassis Products K5073 for the same application.

Common Repair Symptoms

  • Front-end looseness or wandering
  • Clunking or popping from the lower suspension area
  • Uneven tire wear caused by worn ball joint movement
  • Steering play or reduced road feel
  • Visible boot damage or grease loss at the joint

Installation Notes

Press-in installation requires proper suspension service tools and correct alignment procedures after replacement. Verify front lower position, stud taper, and vehicle application before installation. The included grease fitting allows routine lubrication where service access is available. For fitment, this part is listed for 1961-1969 Cadillac DeVille, front lower; 1965-1969 Cadillac Fleetwood, front lower; 1961-1963 Cadillac Commercial Chassis, front lower; 1964-1967 Cadillac Commercial Chassis RWD, front lower; 1965-1966 Cadillac Eldorado, front lower; 1963-1970 Oldsmobile 98, front lower; 1965-1970 Oldsmobile Delta 88, front lower; and 1963-1966 Oldsmobile Starfire, front lower.

Quality Assurance

Delphi applies OE-level engineering methods to its aftermarket steering and suspension portfolio, including dimensional and material analysis for fit consistency. TC6494 is tested for temperature extremes and corrosion exposure to support dependable service in front suspension applications.

This part fits 43 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1970Oldsmobile98Front Lower—
1970OldsmobileDelta 88Front Lower—
1969CadillacCommercial ChassisFront Lower—
1969CadillacDeVilleFront Lower—
1969CadillacFleetwoodFront Lower—
1969Oldsmobile98Front Lower—
1969OldsmobileDelta 88Front Lower—
1968CadillacCommercial ChassisFront Lower—
1968CadillacDeVilleFront Lower—
1968CadillacFleetwoodFront Lower—
1968Oldsmobile98Front Lower—
1968OldsmobileDelta 88Front Lower—
1967CadillacCommercial ChassisFront LowerRWD
1967CadillacDeVilleFront Lower—
1967CadillacFleetwoodFront Lower—
1967Oldsmobile98Front Lower—
1967OldsmobileDelta 88Front Lower—
1966CadillacCommercial ChassisFront LowerRWD
1966CadillacDeVilleFront Lower—
1966CadillacEldoradoFront Lower—
1966CadillacFleetwoodFront Lower—
1966Oldsmobile98Front Lower—
1966OldsmobileDelta 88Front Lower—
1966OldsmobileStarfireFront Lower—
1965CadillacCommercial ChassisFront LowerRWD
1965CadillacDeVilleFront Lower—
1965CadillacEldoradoFront Lower—
1965CadillacFleetwoodFront Lower—
1965Oldsmobile98Front Lower—
1965OldsmobileDelta 88Front Lower—
1965OldsmobileStarfireFront Lower—
1964CadillacCommercial ChassisFront LowerRWD
1964CadillacDeVilleFront Lower—
1964Oldsmobile98Front Lower—
1964OldsmobileStarfireFront Lower—
1963CadillacCommercial ChassisFront Lower—
1963CadillacDeVilleFront Lower—
1963Oldsmobile98Front Lower—
1963OldsmobileStarfireFront Lower—
1962CadillacCommercial ChassisFront Lower—
1962CadillacDeVilleFront Lower—
1961CadillacCommercial ChassisFront Lower—
1961CadillacDeVilleFront Lower—
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
MOOG Chassis Products — K50733862035868287033057037353631818