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Delphi TC1684 Suspension Ball Joint - Front Lower
| Brand | Delphi TC1684 |
|---|---|
| Position | Front Lower |
| 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 | 3.268 |
| Item Grade | Standard Replacement |
| Length | 83 |
| Material | Ball Material - Alloy Steel SAE 5140, Housing Material - Carbon Steel SAE 1040 |
| Maximum Outside Diameter | 1.752 |
| Maximum Outside Diameter | 44.5 |
| Mount Plate Included | No |
| Mounting Bolt Head Diameter | 0.748 |
| Mounting Bolt Head Diameter | 19.0 |
| Mounting Bolt Length | 1.969 |
| Mounting Bolt Length | 50.0 |
| Mounting Bolt Shank Diameter | 10.0 |
| Mounting Bolt Thread Length | 30.0 |
| Mounting Bolt Thread Pitch | 1.5 |
| Mounting Bolts Included | Yes |
| Mounting Hardware Included | Yes |
| Mounting Type | Press In |
| Nuts Included | Yes |
| Stud Thread Length | 83.0 |
| Stud Type | Non-Threaded |
| Suspension Grade Type | Standard |
| Tapered Stud | No |
| Washers Included | No |
| Width | 44.5 |
| Wrench Size | 17.0 |
| Fits | Toyota · 3 vehicles |
Standard replacement. OE expertise and dimensional analysis help ensure compatibility.
Press-in design. Includes mounting hardware for a straightforward installation.
Greaseable assembly. Dust boot and grease fitting help protect the joint.
Cross-references Mevotech Supreme MK9290, 101-4141 and K9290 for the same application. See all 3.
Delphi TC1684 Front Lower Ball Joint
Delphi TC1684 is a standard replacement suspension ball joint built for OE-style fit and function. It is compatible with 1980-1982 Toyota Tercel front lower applications and uses a press-in mounting design with a greaseable service setup.
Key Features
- Front lower suspension ball joint for Toyota Tercel applications
- Press-in mounting type for direct suspension service
- Grease fitting included for maintenance access
- Dust boot included to help protect the joint from contamination
- Ball joint assembly included with mounting bolts and nuts
- Ball material: alloy steel SAE 5140; housing material: carbon steel SAE 1040
- Standard replacement grade with non-threaded stud design
Detailed Description
Delphi TC1684 is engineered for front lower suspension service on 1980, 1981, and 1982 Toyota Tercel models. Delphi applies OE-focused dimensional and material analysis to support proper compatibility between the replacement part and the original suspension layout. The joint is built with a chloroprene rubber dust boot, a greaseable design, and a press-in mounting style for a direct service replacement. Delphi TC1684 also cross-references Monroe Shocks & Struts 172286 and 182286 for the same application.
What It Helps Address
- Front suspension looseness or play at the lower control arm connection
- Clunking or knocking from worn ball joint components
- Uneven tire wear caused by suspension joint wear
- Steering instability from excessive joint movement
- Contamination-related wear when the original boot is damaged
Installation Notes and Tips
Fits 1980-1982 Toyota Tercel, front lower. Verify press-in dimensions, stud style, and mounting bolt specifications before installation. The joint includes a grease fitting, so service lubrication should be performed according to the vehicle’s maintenance schedule after installation. Because this is a suspension component, professional installation and a post-repair alignment are recommended.
Quality Assurance
Delphi subjects its OE-based steering and suspension parts to temperature and corrosion testing, including exposure below -40 degrees C, above 120 degrees C, and extended salt-spray testing. That validation process supports consistent material performance for the TC1684 in everyday driving conditions.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1982 | Toyota | Tercel | Front Lower | — |
| 1981 | Toyota | Tercel | Front Lower | — |
| 1980 | Toyota | Tercel | Front Lower | — |
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