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Delphi TC5639 Suspension Ball Joint - Front Lower
| Brand | Delphi TC5639 |
|---|---|
| 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 | No |
| Greaseable | No |
| Height | 4.134 |
| Item Grade | Standard Replacement |
| Length | 105 |
| Material | Steel |
| Maximum Outside Diameter | 2.362 |
| Maximum Outside Diameter | 60.0 |
| Mount Plate Included | No |
| Mounting Bolts Included | No |
| Mounting Hardware Included | Yes |
| Mounting Type | Press In |
| Nuts Included | Yes |
| Stud Taper Per Foot | 0.125 |
| Stud Tapered End 1 Diameter | 0.787 |
| Stud Tapered End 1 Diameter | 20.0 |
| Stud Tapered End 2 Diameter | 0.685 |
| Stud Tapered End 2 Diameter | 17.4 |
| Stud Thread Diameter | 16.0 |
| Stud Thread Length | 1.094 |
| Stud Thread Pitch | 1.5 |
| Stud Type | Threaded |
| Suspension Grade Type | Standard |
| Tapered Stud | Yes |
| Washers Included | Yes |
| Width | 60.0 |
| Fits | Lexus and Toyota · 17 vehicles |
Standard replacement. OE expertise and dimensional analysis help ensure compatibility with the aftermarket part.
Steel construction. Built with a dust boot and press-in mounting for dependable suspension service.
Hardware included. Comes with a castle nut, cotter pin, washers, and mounting hardware.
Cross-references Beck/Arnley 102-6426, Dorman - OE Solutions 521-434 and MOOG Chassis Products K500017 for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi TC5639 Front Lower Ball Joint
Delphi TC5639 is a standard replacement suspension ball joint built for front lower applications on select Lexus and Toyota vehicles. It combines OE-focused dimensional analysis with materials and sealing details that support consistent steering and suspension performance.
Key Features
- Front lower suspension ball joint assembly
- Steel construction with gray finish
- Press-in mounting type
- Threaded, tapered stud with 16.0 mm thread diameter and 1.5 pitch
- Dust boot included with chloroprene rubber (CR) material
- Castle nut, cotter pin, nuts, washers, and mounting hardware included
- Grease fitting not included; non-greaseable design
- Standard replacement, non-adjustable suspension grade
Detailed Description
Delphi TC5639 is engineered as a front lower suspension ball joint for 2003-2009 Toyota 4Runner, 2003 Lexus GX470, 2004-2009 Lexus GX470, and 2007-2009 Toyota FJ Cruiser applications. Delphi applies OE-level dimensional and material analysis to help ensure proper fit and consistent operation, and the part is tested across extreme temperature and salt-spray conditions to verify durability in demanding environments. This part cross-references MOOG Chassis Products (e.g., K500017) for the same application.
What It Helps Address
- Front-end looseness or play from a worn lower ball joint
- Clunking or knocking noises over bumps and during steering input
- Uneven tire wear caused by suspension joint wear
- Imprecise steering feel from excess suspension movement
- Inspection failure related to worn front suspension components
Installation Notes and Tips
Fits 2003-2009 Toyota 4Runner, front lower. Fits 2003 and 2004-2009 Lexus GX470, front lower; 2004-2009 GX470 excludes OE Kinetic Suspension. Fits 2007-2008 Toyota FJ Cruiser, front lower, and 2009 Toyota FJ Cruiser, front lower, to 08/2009. Verify press-in fitment, stud taper, and suspension configuration before installation. Professional installation and a post-service alignment are recommended after replacing a front lower ball joint. Part number TC5639 should be matched to the vehicle’s exact suspension setup before service.
Quality Assurance
Delphi uses OE-focused engineering and validation for its steering and suspension portfolio. TC5639 is evaluated for temperature extremes below -40 degrees C and above 120 degrees C, and it is exposed to 720 hours of salt spray testing to help confirm corrosion resistance and long-term durability. Delphi TC5639 is built to support OE-style replacement needs for Lexus GX470, Toyota 4Runner, and Toyota FJ Cruiser front lower suspension service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Lexus | GX470 | Front Lower | Except OE Kinetic Suspension |
| 2009 | Toyota | 4Runner | Front Lower | — |
| 2009 | Toyota | FJ Cruiser | Front Lower | To 08/2009 |
| 2008 | Lexus | GX470 | Front Lower | Except OE Kinetic Suspension |
| 2008 | Toyota | 4Runner | Front Lower | — |
| 2008 | Toyota | FJ Cruiser | Front Lower | — |
| 2007 | Lexus | GX470 | Front Lower | Except OE Kinetic Suspension |
| 2007 | Toyota | 4Runner | Front Lower | — |
| 2007 | Toyota | FJ Cruiser | Front Lower | — |
| 2006 | Lexus | GX470 | Front Lower | Except OE Kinetic Suspension |
| 2006 | Toyota | 4Runner | Front Lower | — |
| 2005 | Lexus | GX470 | Front Lower | Except OE Kinetic Suspension |
| 2005 | Toyota | 4Runner | Front Lower | — |
| 2004 | Lexus | GX470 | Front Lower | Except OE Kinetic Suspension |
| 2004 | Toyota | 4Runner | Front Lower | — |
| 2003 | Lexus | GX470 | Front Lower | — |
| 2003 | Toyota | 4Runner | Front Lower | — |
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