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Delphi TA3678 Steering Tie Rod End - Front Inner
| Brand | Delphi TA3678 |
|---|---|
| Position | Front Inner |
| Thread Direction | Clockwise (right) |
| Reinforced | No |
| Length | 191.50 |
| Color | Black |
| Washer Included | No |
| End 1 Gender | Male |
| End 2 Gender | Male |
| Stud Length | 0.630 |
| Stud Length | 16.00 |
| Finish | Painted |
| Pre-Greased | Yes |
| Castle Nut Included | No |
| Grease Fitting Included | No |
| Dust Boot Included | No |
| Type | Straight |
| Cotter Pin Included | No |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Housing Material | Steel |
| Tube Diameter | 0.657 |
| Tube Diameter | 16.70 |
| Adjustable | Yes |
| Locking Nut Included | Yes |
| Greaseable | No |
| Adjusting Sleeve Included | No |
| Weight | 1.918 |
| Steering Type | Power |
| Bearing Material | Plastic |
| End 1 Thread Direction | Clockwise (right) |
| End 2 Thread Direction | Clockwise (right) |
| Fits | Audi and Porsche · 17 vehicles |
OE-inspired engineering. Built from Delphi's aftermarket steering expertise for dependable fit and function.
Extreme-condition tested. Withstands temperatures below -40Β°C and above 120Β°C, plus 720 hours of salt spray.
Pre-greased design. Ready for installation with reduced initial friction at the joint.
Cross-references Mevotech Supreme MS70723, Suspensia X01TR0552 and 971 423 810 for the same application. See all 4.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi TA3678 Front Inner Tie Rod End
Delphi TA3678 is a front inner steering tie rod end built for power steering systems and standard replacement service. It uses a straight, adjustable steel design with a pre-greased, painted finish to support precise steering linkage operation on select Audi and Porsche applications.
Key Features
- Front inner steering tie rod end for power steering systems
- Straight, adjustable design with clockwise (right) thread direction
- Steel housing and steel tie rod material with painted black finish
- Pre-greased construction; grease fitting not included
- Male threaded ends with locking nut included
- Standard replacement grade for OE-style service
- Part number TA3678 for catalog and fitment lookup
Detailed Description
Delphi TA3678 is engineered as a front inner steering tie rod end for vehicles that require a right-thread, adjustable linkage component. Delphi applies OE-focused dimensional and material analysis to help maintain proper compatibility between the replacement part and the original steering geometry. The steel construction, pre-greased design, and straight body layout support consistent steering response in service applications such as the Porsche Taycan, Porsche Panamera, Audi e-tron GT, and Audi RS e-tron GT. If you are sourcing a Delphi TA3678 tie rod end for a front inner steering repair, this part is built to match the demands of modern power steering systems.
This part cross-references Mevotech Supreme MS70723 and Suspensia X01TR0552 for the same application.
What It Helps Fix
- Excessive steering play from worn inner tie rod components
- Clunking or looseness in the front steering linkage
- Uneven steering response caused by worn linkage joints
- Front-end alignment issues related to steering wear
- Restoration of proper steering feel on Audi and Porsche models
Installation Notes and Tips
Fits 2022-2024 Audi e-tron GT, front inner. Fits 2020-2024 Porsche Taycan, front inner. Fits 2022-2023 Audi RS e-tron GT, front inner. Fits 2017-2023 Porsche Panamera, front inner. Confirm thread direction, position, and steering linkage length before installation. A professional alignment is recommended after replacing steering linkage components. Part number TA3678 should be verified against the original component and vehicle build details before service.
Quality Assurance
Delphi subjects steering components to temperature extremes below -40 C and above 120 C, along with extended salt-spray exposure, to evaluate durability under demanding conditions. Delphi also uses dimensional and material analysis to support OE-level fit and function in the aftermarket steering portfolio.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2024 | Audi | e-tron GT | Front Inner | — |
| 2024 | Porsche | Taycan | Front Inner | — |
| 2023 | Audi | e-tron GT | Front Inner | — |
| 2023 | Audi | RS e-tron GT | Front Inner | — |
| 2023 | Porsche | Panamera | Front Inner | — |
| 2023 | Porsche | Taycan | Front Inner | — |
| 2022 | Audi | e-tron GT | Front Inner | — |
| 2022 | Audi | RS e-tron GT | Front Inner | — |
| 2022 | Porsche | Panamera | Front Inner | — |
| 2022 | Porsche | Taycan | Front Inner | — |
| 2021 | Porsche | Panamera | Front Inner | — |
| 2021 | Porsche | Taycan | Front Inner | — |
| 2020 | Porsche | Panamera | Front Inner | — |
| 2020 | Porsche | Taycan | Front Inner | — |
| 2019 | Porsche | Panamera | Front Inner | — |
| 2018 | Porsche | Panamera | Front Inner | — |
| 2017 | Porsche | Panamera | Front Inner | — |
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