OE Quality
60-Day Returns

Delphi TC6318 Suspension Control Arm and Ball Joint Assembly - Front Left Lower
Delphi Suspension Control Arm and Ball Joint Assembly Overview
The Delphi TC6318 suspension control arm and ball joint assembly is engineered for front left lower suspension applications on Ford F-150 and Lincoln Mark LT models. This pre-greased, greaseable assembly includes all necessary bushings and mounting hardware to ensure a reliable and straightforward installation.
- Pre-greased and grease fitting included for easy maintenance
- Durable casting/forged control arm construction in black finish
- Natural rubber bushings included for vibration dampening
- Press-in ball joint with threaded stud for secure mounting
- Mounting hardware and four mounting holes provided for precise fitment
Technical Details and Features
The Delphi TC6318 control arm assembly features a robust casting and forging construction designed to withstand the rigors of daily driving and off-road conditions. The assembly comes pre-greased and includes a grease fitting, allowing for ongoing lubrication to extend component life. Natural rubber bushings are incorporated to reduce noise and absorb road vibrations, enhancing ride comfort. The ball joint is press-in mounted with a threaded stud measuring 4.25 inches in length, ensuring a secure and stable connection to the suspension system. The control arm measures approximately 22.34 inches in length and 19.7 inches in width, finished in black for corrosion resistance.
Compatible Vehicles and Applications
This suspension control arm and ball joint assembly is specifically designed for the front left lower position on Ford F-150 and Lincoln Mark LT trucks. It is a standard replacement part suitable for restoring factory suspension performance and handling characteristics.
- Replaces worn or damaged front left lower control arm and ball joint assembly
- Addresses suspension noise and vibration issues
- Corrects steering instability or wandering
- Resolves uneven tire wear caused by faulty suspension components
- Improves overall vehicle handling and safety
Installation Notes and Tips
Installation of the Delphi TC6318 assembly requires basic suspension knowledge and tools. The included mounting hardware and bushings simplify the replacement process. Ensure the grease fitting is accessible for future maintenance. After installation, it is recommended to perform a wheel alignment to maintain proper suspension geometry and tire wear.
Quality Assurance and Warranty
Delphi suspension components meet industry standards for durability and performance. The TC6318 assembly is a standard replacement grade part designed to match OEM specifications. It comes with a limited warranty covering defects in materials and workmanship, providing confidence in the product's reliability.
| Brand | Delphi |
|---|---|
| Part Number | TC6318 |
| Adjustable | No |
| Ball Joint Mounting Type | Press In |
| Ball Joint Stud Length | 4.25 |
| Ball Joint Stud Length | 108.0 |
| Ball Joint Stud Type | Threaded |
| Bushing Material | Natural Rubber (NR) |
| Bushings Included | Yes |
| Control Arm Color | Black |
| Control Arm Construction | Casting/Forged |
| Control Arm Maximum Length | 22.34 |
| Control Arm Maximum Length | 567.5 |
| Control Arm Maximum Width | 19.7 |
| Control Arm Maximum Width | 500.5 |
| Grease Fitting Included | Yes |
| Greaseable | Yes |
| Item Grade | Standard Replacement |
| Mounting Hardware Included | Yes |
| Mounting Hole Diameter | 0.49 |
| Mounting Hole Diameter | 0.73 |
| Mounting Hole Diameter | 0.81 |
| Mounting Hole Diameter | 12.5 |
| Mounting Hole Diameter | 18.5 |
| Mounting Hole Diameter | 20.5 |
| Mounting Hole Quantity | 4 |
| Position(s) | Front Left Lower |
| Pre-Greased | Yes |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2008 | Ford | F-150 | Front Left Lower | with 6 Stud Rotor | |
| 2008 | Lincoln | Mark LT | Front Left Lower | with 6 Stud Rotor | |
| 2007 | Ford | F-150 | Front Left Lower | with 6 Stud Rotor | |
| 2007 | Lincoln | Mark LT | Front Left Lower | with 6 Stud Rotor | |
| 2006 | Ford | F-150 | Front Left Lower | with 6 Stud Rotor | |
| 2006 | Lincoln | Mark LT | Front Left Lower | with 6 Stud Rotor | |
| 2005 | Ford | F-150 | Front Left Lower | with 6 Stud Rotor | |
| 2004 | Ford | F-150 | RWD | Front Left Lower | with 6 Stud Rotor |
| 2004 | Ford | F-150 | 4WD | Front Left Lower | with 6 Stud Rotor |
* 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.