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Delphi TC1731 Suspension Ball Joint - Front Left or Front Left Lower
Delphi Suspension Ball Joint TC1731 Overview
The Delphi Suspension Ball Joint TC1731 is engineered for reliable suspension performance in select Audi and Volkswagen models. Constructed from durable steel with a gray finish, this ball joint assembly is designed to maintain precise steering and suspension control.
- Material: Steel construction for strength and durability
- Maximum Outside Diameter: 54.0 mm (2.126 inches)
- Length and Width: 54 mm (2.126 inches)
- Height: 116.5 mm (4.587 inches)
- Stud Thread Diameter: 14.2 mm (0.563 inches) with tapered threaded stud
- Includes castle nut, cotter pin, grease fitting, dust boot, mounting hardware, and nuts
- Dust boot made from chloroprene rubber (CR) for enhanced protection
- Standard suspension grade type for everyday driving conditions
Durable Design and Precise Fitment
The TC1731 ball joint features a threaded, tapered stud with a stud thread length of 19.6 mm (0.772 inches) and a tapered stud end diameter of 0.752 inches, ensuring a secure and accurate fit. The inclusion of a chloroprene rubber dust boot helps protect the joint from dirt and moisture, extending service life. This assembly comes complete with all necessary mounting hardware, including a castle nut and cotter pin, facilitating straightforward installation and reliable suspension performance.
Compatible Vehicles and Applications
This Delphi suspension ball joint TC1731 is compatible with a range of Audi and Volkswagen vehicles, including:
- Audi A3, A3 Quattro, A3 Sportback e-tron, RS3, S3, Q3
- Volkswagen Arteon, CC, Golf, Golf Alltrack, Golf R, Golf SportWagen, GTI, Jetta, Passat, Passat CC, Taos, Tiguan
It is designed to replace worn or damaged ball joints in these models, restoring proper suspension articulation and steering response.
Common Suspension Issues Addressed
- Excessive play or looseness in steering and suspension
- Uneven tire wear caused by worn ball joints
- Clunking or knocking noises during driving over bumps
- Reduced vehicle stability and handling performance
- Grease leakage or dust boot damage leading to premature joint failure
Installation Notes and Tips
- Ensure vehicle is securely lifted and supported before removal
- Use the included castle nut and cotter pin to secure the ball joint stud properly
- Grease fitting allows for lubrication after installation to maintain joint performance
- Inspect surrounding suspension components for wear during replacement
- Torque all fasteners to manufacturer specifications for safety and reliability
Quality Assurance and Warranty
Delphi suspension components are manufactured to meet or exceed OEM standards. The TC1731 ball joint assembly undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details may vary, Delphi typically offers coverage against defects in materials and workmanship to provide confidence in your suspension repair.
| Brand | Delphi |
|---|---|
| Part Number | TC1731 |
| 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 | Yes |
| Height | 4.587 |
| Height | 116.5 |
| Item Grade | Standard Replacement |
| Length | 54 |
| Material | Steel |
| Maximum Outside Diameter | 2.126 |
| Maximum Outside Diameter | 54.0 |
| Mount Plate Included | No |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 0 |
| Nuts Included | Yes |
| Position(s) | Front Left, Front Left Lower. For the position specific to your vehicle, refer to the Application tab. |
| Stud Tapered End 1 Diameter | 0.624 |
| Stud Tapered End 1 Diameter | 15.85 |
| Stud Tapered End 2 Diameter | 0.752 |
| Stud Tapered End 2 Diameter | 19.1 |
| Stud Thread Diameter | 0.563 |
| Stud Thread Diameter | 14.2 |
| Stud Thread Length | 0.772 |
| Stud Thread Length | 19.6 |
| Stud Thread Pitch | 0.7 |
| Stud Threads Per Inch | 18 |
| Stud Type | Threaded |
| Suspension Grade Type | Standard |
| Tapered Stud | Yes |
| Washers Included | No |
| Width | 54.0 |
This part fits 125 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Audi | A3 Quattro | Front Left Lower | |||
| 2025 | Audi | RS3 | Front Left Lower | |||
| 2025 | Audi | S3 | Front Left Lower | |||
| 2025 | Volkswagen | Golf R | Front Left Lower | |||
| 2025 | Volkswagen | GTI | Front Left Lower | |||
| 2025 | Volkswagen | Jetta | 2.0L | L4 | Front Left Lower | |
| 2025 | Volkswagen | Taos | Front Left Lower | |||
| 2025 | Volkswagen | Tiguan | Front Left Lower | |||
| 2024 | Audi | A3 | Front Left Lower | |||
| 2024 | Audi | A3 Quattro | Front Left Lower | |||
| 2024 | Audi | Q3 | Front Left Lower | |||
| 2024 | Audi | RS3 | Front Left Lower | |||
| 2024 | Audi | S3 | Front Left Lower | |||
| 2024 | Volkswagen | Golf R | Front Left Lower | |||
| 2024 | Volkswagen | GTI | Front Left Lower | |||
| 2024 | Volkswagen | Jetta | Front Left Lower | |||
| 2024 | Volkswagen | Taos | Front Left Lower | |||
| 2024 | Volkswagen | Tiguan | Front Left Lower | |||
| 2023 | Audi | A3 | Front Left Lower | |||
| 2023 | Audi | A3 Quattro | Front Left Lower | |||
| 2023 | Audi | Q3 | Front Left Lower | |||
| 2023 | Audi | RS3 | Front Left Lower | |||
| 2023 | Audi | S3 | Front Left Lower | |||
| 2023 | Volkswagen | Arteon | Front Left Lower | |||
| 2023 | Volkswagen | Golf R | Front Left Lower | |||
| 2023 | Volkswagen | GTI | Front Left Lower | |||
| 2023 | Volkswagen | Jetta | Front Left Lower | |||
| 2023 | Volkswagen | Taos | Front Left Lower | |||
| 2023 | Volkswagen | Tiguan | Front Left Lower | |||
| 2022 | Audi | A3 | Front Left Lower | |||
| 2022 | Audi | A3 Quattro | Front Left Lower | |||
| 2022 | Audi | Q3 | Front Left Lower | |||
| 2022 | Audi | RS3 | Front Left Lower | |||
| 2022 | Audi | S3 | Front Left Lower | |||
| 2022 | Volkswagen | Arteon | Front Left Lower | |||
| 2022 | Volkswagen | Golf R | Front Left Lower | |||
| 2022 | Volkswagen | GTI | Front Left Lower | |||
| 2022 | Volkswagen | Jetta | Front Left Lower | |||
| 2022 | Volkswagen | Taos | Front Left Lower | |||
| 2022 | Volkswagen | Tiguan | Front Left Lower | |||
| 2021 | Audi | Q3 | Front Left Lower | |||
| 2021 | Volkswagen | Arteon | Front Left Lower | |||
| 2021 | Volkswagen | Golf | Front Left | with 16in & 17in Brakes | ||
| 2021 | Volkswagen | GTI | Front Left Lower | |||
| 2021 | Volkswagen | Jetta | Front Left Lower | with 16in & 17in Brakes | ||
| 2021 | Volkswagen | Tiguan | Front Left Lower | |||
| 2020 | Audi | A3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2020 | Audi | A3 Quattro | Front Left Lower | |||
| 2020 | Audi | Q3 | Front Left Lower | |||
| 2020 | Audi | RS3 | Front Left Lower | |||
| 2020 | Audi | S3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2020 | Volkswagen | Arteon | Front Left Lower | |||
| 2020 | Volkswagen | Golf | Front Left | with 16in & 17in Brakes | ||
| 2020 | Volkswagen | GTI | Front Left Lower | |||
| 2020 | Volkswagen | Jetta | Front Left Lower | with 16in & 17in Brakes | ||
| 2020 | Volkswagen | Tiguan | Front Left Lower | |||
| 2019 | Audi | A3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2019 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes | ||
| 2019 | Audi | Q3 | Front Left Lower | |||
| 2019 | Audi | RS3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2019 | Audi | S3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2019 | Volkswagen | Arteon | Front Left Lower | |||
| 2019 | Volkswagen | Golf | Front Left | with 16in & 17in Brakes | ||
| 2019 | Volkswagen | Golf Alltrack | Front Left | with 16in & 17in Brakes | ||
| 2019 | Volkswagen | Golf R | Front Left | with 16in & 17in Brakes | ||
| 2019 | Volkswagen | Golf SportWagen | Front Left | with 16in & 17in Brakes | ||
| 2019 | Volkswagen | GTI | Front Left Lower | with 16in & 17in Brakes | ||
| 2019 | Volkswagen | Jetta | Front Left Lower | with 16in & 17in Brakes | ||
| 2019 | Volkswagen | Tiguan | Front Left Lower | |||
| 2018 | Audi | A3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2018 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes | ||
| 2018 | Audi | A3 Sportback e-tron | Front Left Lower | with 16in & 17in Brakes | ||
| 2018 | Audi | RS3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2018 | Audi | S3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2018 | Volkswagen | Golf | Front Left | with 16in & 17in Brakes | ||
| 2018 | Volkswagen | Golf Alltrack | Front Left | with 16in & 17in Brakes | ||
| 2018 | Volkswagen | Golf R | Front Left | with 16in & 17in Brakes | ||
| 2018 | Volkswagen | Golf SportWagen | Front Left | with 16in & 17in Brakes | ||
| 2018 | Volkswagen | GTI | Front Left Lower | with 16in & 17in Brakes | ||
| 2018 | Volkswagen | Tiguan | Front Left Lower | |||
| 2017 | Audi | A3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2017 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes | ||
| 2017 | Audi | A3 Sportback e-tron | Front Left Lower | with 16in & 17in Brakes | ||
| 2017 | Audi | RS3 | Front Left Lower | |||
| 2017 | Audi | S3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2017 | Volkswagen | CC | Front Left Lower | |||
| 2017 | Volkswagen | Golf | Front Left | with 16in & 17in Brakes | ||
| 2017 | Volkswagen | Golf Alltrack | Front Left | with 16in & 17in Brakes | ||
| 2017 | Volkswagen | Golf R | Front Left | with 16in & 17in Brakes | ||
| 2017 | Volkswagen | Golf SportWagen | Front Left | with 16in & 17in Brakes | ||
| 2017 | Volkswagen | GTI | Front Left Lower | with 16in & 17in Brakes | ||
| 2016 | Audi | A3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2016 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes | ||
| 2016 | Audi | A3 Sportback e-tron | Front Left Lower | with 16in & 17in Brakes | ||
| 2016 | Audi | S3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2016 | Volkswagen | CC | Front Left Lower | |||
| 2016 | Volkswagen | Golf | Front Left | with 16in & 17in Brakes | ||
| 2016 | Volkswagen | Golf R | Front Left | with 16in & 17in Brakes | ||
| 2016 | Volkswagen | Golf SportWagen | Front Left | with 16in & 17in Brakes | ||
| 2016 | Volkswagen | GTI | Front Left Lower | with 16in & 17in Brakes | ||
| 2015 | Audi | A3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2015 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes | ||
| 2015 | Audi | S3 | Front Left Lower | with 16in & 17in Brakes | ||
| 2015 | Volkswagen | CC | Front Left Lower | |||
| 2015 | Volkswagen | Golf R | Front Left | with 16in & 17in Brakes | ||
| 2015 | Volkswagen | Golf SportWagen | Front Left | with 16in & 17in Brakes | ||
| 2015 | Volkswagen | GTI | Front Left Lower | |||
| 2014 | Volkswagen | CC | Front Left Lower | |||
| 2013 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes | ||
| 2013 | Volkswagen | CC | Front Left Lower | |||
| 2012 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes | ||
| 2012 | Volkswagen | CC | Front Left Lower | |||
| 2011 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes | ||
| 2011 | Volkswagen | CC | Front Left Lower | |||
| 2010 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes | ||
| 2010 | Volkswagen | CC | Front Left Lower | |||
| 2010 | Volkswagen | Passat | Front Left Lower | |||
| 2010 | Volkswagen | Passat CC | Front Left Lower | |||
| 2009 | Audi | A3 Quattro | Front Left Lower | with 16in & 17in Brakes; From 05/25/2009 | ||
| 2009 | Volkswagen | CC | Front Left Lower | |||
| 2009 | Volkswagen | Passat | Front Left Lower | |||
| 2009 | Volkswagen | Passat CC | Front Left Lower | |||
| 2008 | Volkswagen | Passat | Front Left Lower | |||
| 2007 | Volkswagen | Passat | Front Left Lower | |||
| 2006 | Volkswagen | Passat | Front Left 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.