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Delphi TC636 Suspension Ball Joint - Front Right Lower
| Brand | Delphi TC636 |
|---|---|
| Position | Front Right 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 | 3.681 |
| Height | 80.0 |
| Item Grade | Standard Replacement |
| Material | Ball Material - Alloy Steel SAE 5140, Housing Material - Carbon Steel SAE 1040 |
| Maximum Outside Diameter | 2.362 |
| Maximum Outside Diameter | 60.0 |
| Mount Plate Included | No |
| Mounting Bolt Head Diameter | 0.827 |
| Mounting Bolt Head Diameter | 21.0 |
| Mounting Bolt Length | 0.787 |
| Mounting Bolt Length | 20.0 |
| Mounting Bolt Shank Diameter | 12.0 |
| Mounting Bolt Thread Length | 17.0 |
| Mounting Bolt Thread Pitch | 1.25 |
| Mounting Bolts Included | Yes |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 3 |
| Mounting Type | Bolt On |
| Nuts Included | Yes |
| Stud Taper Per Foot | 0.167 |
| Stud Tapered End 1 Diameter | 0.717 |
| Stud Tapered End 1 Diameter | 18.2 |
| Stud Tapered End 2 Diameter | 0.61 |
| Stud Tapered End 2 Diameter | 15.5 |
| Stud Thread Diameter | 14.0 |
| Stud Thread Length | 0.945 |
| Stud Thread Pitch | 1.5 |
| Stud Type | Threaded |
| Suspension Grade Type | Standard |
| Tapered Stud | Yes |
| Washers Included | No |
| Width | 123.5 |
| Wrench Size | 19.0 |
| Fits | Toyota and Geo · 10 vehicles |
Standard replacement. OE-style fit with bolt-on installation and no modifications needed.
Built with alloy steel. Durable ball and housing materials for dependable suspension performance.
Dust boot included. Helps protect the joint from dirt and wear.
Cross-references Beck/Arnley 101-4136, Mevotech Supreme MK9523 and MOOG Chassis Products K9523 for the same application. See all 11.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
OE-Style Front Right Lower Ball Joint
Delphi TC636 is a standard replacement suspension ball joint for the front right lower position on select Toyota Corolla and Geo Prizm applications. Built with OE-focused materials and dimensional analysis, it is made to match the original fit and steering geometry for service work on the front suspension.
Fits 1988-1993 Toyota Corolla, front right lower. Fits 1989-1992 Geo Prizm, front right lower. Delphi TC636 is a direct-fit suspension ball joint for technicians and DIY repairs that need OE-style compatibility.
Key Features
- Ball joint assembly for the front right lower suspension position
- Standard replacement grade for routine suspension service
- Ball material: alloy steel SAE 5140 with carbon steel SAE 1040 housing
- Dust boot included with chloroprene rubber construction
- Threaded stud design with tapered stud profile
- Bolt-on mounting type with mounting hardware included
- Castle nut and cotter pin included
- No grease fitting; non-greaseable design
- Delphi OE-focused dimensional and material analysis for fit consistency
Detailed Description
Delphi TC636 suspension ball joint is engineered for the front right lower location on 1988-1993 Toyota Corolla and 1989-1992 Geo Prizm models. It uses an alloy steel ball, carbon steel housing, and a protective dust boot to support long-term suspension service in demanding road conditions. Delphi subjects its OE and aftermarket steering components to temperature extremes below -40 degrees C and above 120 degrees C, along with extended salt-spray exposure, to validate durability and corrosion resistance targets. This part cross-references MOOG Chassis Products K9523 for the same application.
Common Repair Symptoms
- Front-end clunking or popping over bumps
- Loose or wandering steering feel
- Uneven tire wear from worn suspension geometry
- Excessive play in the lower control arm area
- Inspection failure from worn ball joint movement
Installation Notes
Verify the front right lower position before installation and confirm stud taper, bolt-on mounting points, and thread specifications against the original part. Inspect the surrounding control arm, fasteners, and steering components for wear before reassembly. Use the included castle nut and cotter pin where specified by the vehicle service procedure, and torque all fasteners to factory specifications.
Quality Assurance
Delphi applies OE-level dimensional and material analysis to help maintain proper fit and performance across aftermarket replacement parts. TC636 is built as a standard replacement suspension ball joint for service on Toyota Corolla and Geo Prizm front suspension systems.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1993 | Toyota | Corolla | AWD | Front Right Lower | — |
| 1992 | Geo | Prizm | — | Front Right Lower | — |
| 1992 | Toyota | Corolla | — | Front Right Lower | — |
| 1991 | Geo | Prizm | — | Front Right Lower | — |
| 1991 | Toyota | Corolla | — | Front Right Lower | — |
| 1990 | Geo | Prizm | — | Front Right Lower | — |
| 1990 | Toyota | Corolla | — | Front Right Lower | — |
| 1989 | Geo | Prizm | — | Front Right Lower | — |
| 1989 | Toyota | Corolla | — | Front Right Lower | — |
| 1988 | Toyota | Corolla | — | Front Right Lower | — |
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