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Delphi TC1631 Suspension Ball Joint - Front Lower
Delphi Suspension Ball Joint TC1631 Overview
The Delphi Suspension Ball Joint TC1631 is engineered for reliable suspension performance on select Toyota models. Designed to meet standard suspension grade requirements, this ball joint is compatible with Toyota Celica, Corolla, and Corona vehicles, providing a precise fit and durable construction.
- Constructed with alloy steel SAE 5140 ball material and carbon steel housing for strength
- Maximum outside diameter of 1.87 inches (47.5 mm) and width of 47.5 mm
- Gray color finish with a chloroprene rubber dust boot included for protection
- Threaded stud with 16.0 mm diameter and tapered stud design for secure mounting
- Includes mounting hardware such as nuts and washers for installation
- Press-in mounting type with a stud thread length of 0.866 inches
- Non-greasable and non-adjustable design for standard suspension applications
Technical Details and Construction
The Delphi TC1631 suspension ball joint features a robust ball made from SAE 5140 alloy steel, known for its durability and resistance to wear. The housing is crafted from carbon steel, providing a solid foundation for suspension movement. The included chloroprene rubber dust boot helps protect the joint from dirt and moisture, extending its service life. This ball joint assembly is designed with a 16 mm threaded stud diameter and a tapered stud end, ensuring a secure fit in the suspension system. The press-in mounting type simplifies installation, and the package includes necessary mounting hardware such as nuts and washers, though mounting bolts and bushings are not included.
Compatible Toyota Models and Applications
This suspension ball joint is compatible with the following Toyota vehicles:
- Toyota Celica
- Toyota Corolla
- Toyota Corona
It is intended for use in standard suspension systems where a non-greasable, non-adjustable ball joint is required. The part number TC1631 ensures precise fitment and reliable performance for these models.
Common Suspension Issues Addressed
- Eliminates excessive play or looseness in the suspension linkage
- Reduces uneven tire wear caused by worn ball joints
- Improves steering response and vehicle handling stability
- Prevents suspension noise related to joint wear or damage
- Maintains proper alignment and suspension geometry
Installation Notes and Tips
- Ensure compatibility with Toyota Celica, Corolla, or Corona before installation
- Use appropriate press tools for mounting the ball joint securely
- Verify that all included mounting hardware (nuts and washers) are used
- Inspect the dust boot for damage during installation to maintain joint protection
- Do not attempt to grease the ball joint as it is a non-greasable design
Quality Assurance and Warranty
Delphi suspension components are manufactured to meet industry standards for durability and performance. The TC1631 ball joint undergoes rigorous quality control to ensure fitment accuracy and material integrity. While specific warranty details are not provided, Delphi products typically come with manufacturer-backed coverage against defects in materials and workmanship.
| Brand | Delphi |
|---|---|
| Part Number | TC1631 |
| Adjustable | No |
| Ball Joint Assembly | Yes |
| Bushings Included | No |
| Color | Gray |
| Cotter Pin Hole | No |
| Dust Boot Included | Yes |
| Dust Boot Material | Choloroprene Rubber (CR) |
| Grease Fitting Included | No |
| Greaseable | No |
| Height | 3.465 |
| Height | 88.0 |
| Item Grade | Standard Replacement |
| Material | Ball Material - Alloy Steel SAE 5140, Housing Material - Carbon Steel SAE 1040 |
| Maximum Outside Diameter | 1.87 |
| Maximum Outside Diameter | 47.5 |
| Mount Plate Included | No |
| Mounting Bolts Included | No |
| Mounting Hardware Included | Yes |
| Mounting Type | Press In |
| Nuts Included | Yes |
| Position(s) | Front Lower |
| Stud Taper Per Foot | 0.125 |
| Stud Tapered End 1 Diameter | 0.654 |
| Stud Tapered End 1 Diameter | 16.6 |
| Stud Tapered End 2 Diameter | 0.581 |
| Stud Tapered End 2 Diameter | 14.75 |
| Stud Thread Diameter | 16.0 |
| Stud Thread Length | 0.866 |
| Stud Thread Pitch | 1.5 |
| Stud Type | Threaded |
| Suspension Grade Type | Standard |
| Tapered Stud | Yes |
| Washers Included | Yes |
| Width | 47.5 |
This part fits 39 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 1987 | Toyota | Corolla | RWD | Front Lower | ||
| 1986 | Toyota | Corolla | RWD | Front Lower | ||
| 1985 | Toyota | Celica | ST | Front Lower | ||
| 1985 | Toyota | Celica | GTS | Front Lower | ||
| 1985 | Toyota | Celica | GT | Front Lower | ||
| 1985 | Toyota | Corolla | RWD | Front Lower | ||
| 1984 | Toyota | Celica | ST | Front Lower | ||
| 1984 | Toyota | Celica | GTS | Front Lower | ||
| 1984 | Toyota | Celica | GT | Front Lower | ||
| 1984 | Toyota | Corolla | RWD | Front Lower | ||
| 1983 | Toyota | Celica | ST | Front Lower | ||
| 1983 | Toyota | Celica | GTS | Front Lower | ||
| 1983 | Toyota | Celica | GT | Front Lower | ||
| 1983 | Toyota | Corolla | RWD | Front Lower | ||
| 1982 | Toyota | Celica | ST | Front Lower | ||
| 1982 | Toyota | Celica | GT | Front Lower | ||
| 1982 | Toyota | Corolla | RWD | Front Lower | ||
| 1982 | Toyota | Corona | Front Lower | |||
| 1981 | Toyota | Celica | Front Lower | |||
| 1981 | Toyota | Corolla | RWD | Front Lower | ||
| 1981 | Toyota | Corona | Front Lower | |||
| 1980 | Toyota | Celica | Front Lower | |||
| 1980 | Toyota | Corolla | RWD | Front Lower | ||
| 1980 | Toyota | Corona | Front Lower | |||
| 1979 | Toyota | Celica | Front Lower | |||
| 1979 | Toyota | Corolla | RWD | Front Lower | ||
| 1979 | Toyota | Corona | Front Lower | |||
| 1978 | Toyota | Celica | Front Lower | |||
| 1978 | Toyota | Corolla | RWD | Front Lower | ||
| 1977 | Toyota | Celica | Front Lower | |||
| 1977 | Toyota | Corolla | RWD | Front Lower | ||
| 1976 | Toyota | Celica | Front Lower | |||
| 1976 | Toyota | Corolla | RWD | Front Lower | ||
| 1975 | Toyota | Celica | Front Lower | |||
| 1975 | Toyota | Corolla | RWD | Front Lower | ||
| 1974 | Toyota | Celica | Front Lower | |||
| 1973 | Toyota | Celica | Front Lower | |||
| 1972 | Toyota | Celica | Front Lower | |||
| 1971 | Toyota | Celica | Front Lower |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.