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Delphi TC1859 Suspension Ball Joint - Front Upper
| Brand | Delphi TC1859 |
|---|---|
| Position | Front Upper |
| Adjustable | No |
| Ball Joint Assembly | Yes |
| Bushings Included | No |
| Castle Nut Included | No |
| Color | Gray |
| Cotter Pin Hole | No |
| Cotter Pin Included | No |
| Dust Boot Included | Yes |
| Dust Boot Material | Choloroprene Rubber (CR) |
| Grease Fitting Included | Yes |
| Greaseable | Yes |
| Height | 4.252 |
| Item Grade | Standard Replacement |
| Length | 108 |
| Material | Ball Material - Alloy Steel SAE 5140, Housing Material - Carbon Steel SAE 1040 |
| Maximum Outside Diameter | 1.89 |
| Maximum Outside Diameter | 48.0 |
| 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 | 0.827 |
| Stud Tapered End 1 Diameter | 21.0 |
| Stud Tapered End 2 Diameter | 0.719 |
| Stud Tapered End 2 Diameter | 18.25 |
| Stud Thread Diameter | 0.625 |
| Stud Thread Length | 1.358 |
| Stud Threads Per Inch | 18 |
| Stud Type | Threaded |
| Suspension Grade Type | Standard |
| Tapered Stud | Yes |
| Washers Included | Yes |
| Width | 48.0 |
| Fits | Ford · 9 vehicles |
Standard replacement. OE expertise and dimensional analysis help ensure compatibility.
Press-in design. Includes mounting hardware, washers, nuts, and a dust boot.
Greaseable assembly. Built with alloy steel and a chloroprene rubber dust boot.
Cross-references Beck/Arnley 101-5198, Mevotech Supreme MK8414 and MOOG Chassis Products K8560T for the same application. See all 6.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi TC1859 Front Upper Ball Joint
Delphi TC1859 is a standard replacement suspension ball joint built for front upper applications on select Ford trucks and SUVs. It combines OE-focused dimensional control with greaseable serviceability, making it a direct-fit option for restoring steering and suspension precision on the Ford Ranger and Ford Bronco II.
Key Features
- Front upper suspension ball joint for select Ford applications
- Press-in mounting type with threaded, tapered stud
- Grease fitting included for serviceable lubrication
- Dust boot included to help protect the joint from contamination
- Ball material: Alloy Steel SAE 5140; housing material: Carbon Steel SAE 1040
- Mounting hardware, nuts, and washers included
- Standard replacement grade for OE-style service
- Delphi TC1859 cross-references Beck/Arnley 101-5198 for the same application
Detailed Description
Delphi TC1859 is engineered for front upper suspension service on 1983-1988 Ford Ranger and 1986-1988 Ford Bronco II models. Delphi applies OE-level dimensional and material analysis to help ensure proper fit between the replacement part and the original suspension design. The joint uses a press-in mounting style, a tapered threaded stud, and a greaseable design for routine maintenance access. Its alloy steel ball and carbon steel housing are paired with a chloroprene rubber dust boot to support long-term suspension operation in demanding road conditions. This part number, TC1859, is a practical choice when replacing a worn front upper ball joint on Ford Ranger or Ford Bronco II front suspension assemblies.
Common Problems This Part Can Help Address
- Front-end clunking or popping over bumps
- Excessive steering play or looseness
- Uneven tire wear caused by suspension wear
- Loose or unstable front suspension geometry
- Inspection failure from worn ball joint movement
Installation Notes and Tips
Fits 1986-1988 Ford Bronco II, Front Upper. Fits 1983-1988 Ford Ranger, Front Upper. Verify press-in bore condition, stud taper, and suspension orientation before installation. Because this is a press-in ball joint, proper removal and installation tools are recommended to avoid damage to the control arm or joint housing. After installation, inspect alignment settings and confirm all fasteners are seated to specification. Delphi TC1859 is also listed under interchange references including MOOG Chassis Products K8560T and Mevotech Supreme MK8414.
Quality Assurance
Delphi subjects its steering and suspension components to extreme temperature and corrosion testing, including exposure below -40 degrees C, above 120 degrees C, and extended salt-spray testing. That OE-focused validation supports consistent fit and durability for replacement service on Ford Ranger and Ford Bronco II applications.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1988 | Ford | Bronco II | RWD | Front Upper | — |
| 1988 | Ford | Ranger | RWD | Front Upper | — |
| 1987 | Ford | Bronco II | RWD | Front Upper | — |
| 1987 | Ford | Ranger | RWD | Front Upper | — |
| 1986 | Ford | Bronco II | RWD | Front Upper | — |
| 1986 | Ford | Ranger | RWD | Front Upper | — |
| 1985 | Ford | Ranger | RWD | Front Upper | — |
| 1984 | Ford | Ranger | RWD | Front Upper | — |
| 1983 | Ford | Ranger | RWD | Front Upper | — |
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