Delphi TC1641 Suspension Ball Joint - Front Lower
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Delphi

Delphi TC1641 Suspension Ball Joint - Front Lower

Brand Delphi TC1641
Position Front Lower
Adjustable No
Ball Joint Assembly Yes
Bushings Included No
Castle Nut Included Yes
Color Gray
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 5.094
Height 129.4
Item Grade Standard Replacement
Length 66
Material Ball Material - Alloy Steel SAE 5140, Housing Material - Carbon Steel SAE 1040
Maximum Outside Diameter 2.5
Mount Plate Included No
Mounting Hardware Included Yes
Mounting Hole Quantity 0
Nuts Included Yes
Stud Tapered End 1 Diameter 0.781
Stud Tapered End 1 Diameter 19.85
Stud Tapered End 2 Diameter 0.965
Stud Tapered End 2 Diameter 24.5
Stud Thread Diameter 0.63
Stud Thread Diameter 16.0
Stud Thread Length 0.854
Stud Thread Length 21.7
Stud Thread Pitch 1.5
Stud Type Threaded
Tapered Stud Yes
Washers Included No
Width 66.0
Fits Cadillac, Chevrolet, and GMC · 142 vehicles

Standard replacement. OE expertise and dimensional analysis help ensure compatibility with the original part.

Greaseable design. Includes a grease fitting and dust boot for easier service and protection.

Heavy-duty materials. Alloy steel ball and carbon steel housing are built for demanding use.

Cross-references Mevotech Supreme CMS9706, Mevotech Supreme MK6445 and MOOG Chassis Products K6445 for the same application. See all 10.

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Delphi TC1641 Front Lower Ball Joint

Delphi TC1641 is a front lower suspension ball joint built for OE-style replacement on a wide range of Cadillac, Chevrolet, and GMC applications. It is engineered with Delphi’s OE-focused dimensional and material analysis to support proper fit and consistent steering and suspension performance.

Fits 2006-2011 Cadillac DTS, front lower and fits 2000-2005 Cadillac DeVille, front lower. It also fits Chevrolet Express, GMC Savana, Chevrolet C/K trucks, Tahoe, and Yukon front lower applications across the listed model years.

Key Features

  • OE-style standard replacement ball joint for front lower suspension service
  • Ball material: Alloy Steel SAE 5140; housing material: Carbon Steel SAE 1040
  • Greaseable design with grease fitting included
  • Dust boot included with chloroprene rubber construction
  • Castle nut, cotter pin, nuts, and mounting hardware included
  • Threaded, tapered stud with cotter pin hole
  • Non-adjustable design for direct replacement use
  • Gray finish

Detailed Description

Delphi TC1641 is a suspension ball joint for the front lower position, designed for vehicles that require a press-in style OE replacement. The joint uses alloy steel and carbon steel construction for the ball and housing, and the tapered threaded stud is paired with a dust boot to help protect the joint during service. Delphi validates its steering and suspension parts through extreme temperature exposure and salt-spray testing, along with dimensional and material analysis to support OE-level fit and function. This part cross-references MOOG Chassis Products K6445 for the same application.

Compatible With Cadillac DTS, Cadillac DeVille, Chevrolet Express 1500/2500/3500, GMC Savana 1500/2500/3500, Chevrolet C2500/C3500, Chevrolet Tahoe, GMC C2500/C3500, Chevrolet C1500/C1500 Suburban/C2500 Suburban, GMC C1500/C1500 Suburban/C2500 Suburban, and GMC Yukon front lower applications. Delphi TC1641 is a practical choice when replacing a worn front lower ball joint on these platforms.

Common Repair Symptoms

  • Front-end clunking or popping over bumps
  • Loose or wandering steering feel
  • Uneven tire wear caused by suspension play
  • Excessive movement in the lower control arm area
  • Inspection failure due to worn ball joint components

Installation Notes

Verify front lower fitment by year, make, model, and suspension configuration before installation. This part is listed for press-in type applications on select vehicles, including 2000-2005 Cadillac DeVille heavy duty versions. Inspect the control arm, mounting bore, and surrounding hardware for wear or damage before pressing in the new joint. After installation, confirm proper torque on the castle nut and secure the cotter pin as specified by the vehicle service procedure.

Quality Assurance

Delphi applies OE-focused testing to its steering and suspension portfolio, including exposure to temperatures below -40 degrees C and above 120 degrees C, plus 720 hours of salt spray. The brand also uses dimensional and material analysis to help maintain OE-to-aftermarket compatibility for the TC1641 front lower ball joint.

Related reading

This part fits 142 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2011CadillacDTS—Front Lower—
2010CadillacDTS—Front Lower—
2009CadillacDTS—Front Lower—
2008CadillacDTS—Front Lower—
2007CadillacDTS—Front Lower—
2006CadillacDTS—Front Lower—
2005CadillacDeVille—Front LowerPress-In Type; Heavy Duty Version
2004CadillacDeVille—Front LowerPress-In Type; Heavy Duty Version
2003CadillacDeVille—Front LowerPress-In Type; Heavy Duty Version
2002CadillacDeVille—Front LowerPress-In Type; Heavy Duty Version
2002ChevroletExpress 1500—Front Lower—
2002ChevroletExpress 2500—Front Lower—
2002ChevroletExpress 3500—Front Lower—
2002GMCSavana 1500—Front Lower—
2002GMCSavana 2500—Front Lower—
2002GMCSavana 3500—Front Lower—
2001CadillacDeVille—Front LowerPress-In Type; Heavy Duty Version
2001ChevroletExpress 1500—Front Lower—
2001ChevroletExpress 2500—Front Lower—
2001ChevroletExpress 3500—Front Lower—
2001GMCSavana 1500—Front Lower—
2001GMCSavana 2500—Front Lower—
2001GMCSavana 3500—Front Lower—
2000CadillacDeVille—Front LowerPress-In Type; Heavy Duty Version
2000ChevroletC2500—Front Lower—
2000ChevroletC3500—Front Lower—
2000ChevroletExpress 1500—Front Lower—
2000ChevroletExpress 2500—Front Lower—
2000ChevroletExpress 3500—Front Lower—
2000ChevroletTahoeRWDFront Lower—
2000GMCC2500—Front Lower—
2000GMCC3500—Front Lower—
2000GMCSavana 1500—Front Lower—
2000GMCSavana 2500—Front Lower—
2000GMCSavana 3500—Front Lower—
1999CadillacDeVille—Front Lower—
1999ChevroletC1500—Front Lower—
1999ChevroletC1500 Suburban—Front Lower—
1999ChevroletC2500—Front Lower—
1999ChevroletC2500 Suburban—Front Lower—
1999ChevroletC3500—Front Lower—
1999ChevroletExpress 1500—Front Lower—
1999ChevroletExpress 2500—Front Lower—
1999ChevroletExpress 3500—Front Lower—
1999ChevroletTahoeRWDFront Lower—
1999GMCC1500—Front Lower—
1999GMCC1500 Suburban—Front Lower—
1999GMCC2500—Front Lower—
1999GMCC2500 Suburban—Front Lower—
1999GMCC3500—Front Lower—
1999GMCSavana 1500—Front Lower—
1999GMCSavana 2500—Front Lower—
1999GMCSavana 3500—Front Lower—
1999GMCYukonRWDFront Lower—
1998CadillacDeVille—Front Lower—
1998ChevroletC1500—Front Lower—
1998ChevroletC1500 Suburban—Front Lower—
1998ChevroletC2500—Front Lower—
1998ChevroletC2500 Suburban—Front Lower—
1998ChevroletC3500—Front Lower—
1998ChevroletExpress 1500—Front Lower—
1998ChevroletExpress 2500—Front Lower—
1998ChevroletExpress 3500—Front Lower—
1998ChevroletTahoeRWDFront Lower—
1998GMCC1500—Front Lower—
1998GMCC1500 Suburban—Front Lower—
1998GMCC2500—Front Lower—
1998GMCC2500 Suburban—Front Lower—
1998GMCC3500—Front Lower—
1998GMCSavana 1500—Front Lower—
1998GMCSavana 2500—Front Lower—
1998GMCSavana 3500—Front Lower—
1998GMCYukonRWDFront Lower—
1997CadillacDeVille—Front Lower—
1997ChevroletC1500—Front Lower—
1997ChevroletC1500 Suburban—Front Lower—
1997ChevroletC2500—Front Lower—
1997ChevroletC2500 Suburban—Front Lower—
1997ChevroletC3500—Front Lower—
1997ChevroletExpress 1500—Front Lower—
1997ChevroletExpress 2500—Front Lower—
1997ChevroletExpress 3500—Front Lower—
1997ChevroletTahoeRWDFront Lower—
1997GMCC1500—Front Lower—
1997GMCC1500 Suburban—Front Lower—
1997GMCC2500—Front Lower—
1997GMCC2500 Suburban—Front Lower—
1997GMCC3500—Front Lower—
1997GMCSavana 1500—Front Lower—
1997GMCSavana 2500—Front Lower—
1997GMCSavana 3500—Front Lower—
1997GMCYukonRWDFront Lower—
1996ChevroletC1500—Front Lower—
1996ChevroletC1500 Suburban—Front Lower—
1996ChevroletC2500—Front Lower—
1996ChevroletC2500 Suburban—Front Lower—
1996ChevroletC3500—Front Lower—
1996ChevroletExpress 1500—Front Lower—
1996ChevroletExpress 2500—Front Lower—
1996ChevroletExpress 3500—Front Lower—
1996ChevroletTahoeRWDFront Lower—
1996GMCC1500—Front Lower—
1996GMCC1500 Suburban—Front Lower—
1996GMCC2500—Front Lower—
1996GMCC2500 Suburban—Front Lower—
1996GMCC3500—Front Lower—
1996GMCSavana 1500—Front Lower—
1996GMCSavana 2500—Front Lower—
1996GMCSavana 3500—Front Lower—
1996GMCYukonRWDFront Lower—
1995ChevroletC1500—Front Lower—
1995ChevroletC1500 Suburban—Front Lower—
1995ChevroletC2500—Front Lower—
1995ChevroletC2500 Suburban—Front Lower—
1995ChevroletC3500—Front Lower—
1995ChevroletTahoeRWDFront Lower—
1995GMCC1500—Front Lower—
1995GMCC1500 Suburban—Front Lower—
1995GMCC2500—Front Lower—
1995GMCC2500 Suburban—Front Lower—
1995GMCC3500—Front Lower—
1995GMCYukonRWDFront Lower—
1994ChevroletC1500—Front Lower—
1994ChevroletC1500 Suburban—Front Lower—
1994ChevroletC2500—Front Lower—
1994ChevroletC2500 Suburban—Front Lower—
1994ChevroletC3500—Front Lower—
1994GMCC1500—Front Lower—
1994GMCC1500 Suburban—Front Lower—
1994GMCC2500—Front Lower—
1994GMCC2500 Suburban—Front Lower—
1994GMCC3500—Front Lower—
1993ChevroletC1500—Front Lower—
1993ChevroletC1500 Suburban—Front Lower—
1993ChevroletC2500—Front Lower—
1993ChevroletC2500 Suburban—Front Lower—
1993ChevroletC3500—Front Lower—
1993GMCC1500—Front Lower—
1993GMCC1500 Suburban—Front Lower—
1993GMCC2500—Front Lower—
1993GMCC2500 Suburban—Front Lower—
1993GMCC3500—Front Lower—
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Mevotech Supreme — CMS9706Mevotech Supreme — MK6445MOOG Chassis Products — K644515616427156176431565721215659724B6445MS9706MS9707