Dorman 543-377 Steering Tie Rod End - Front Inner

Brand Dorman 543-377
Position Front Inner
Thread Direction Clockwise (right)
Thread Direction Rotar en el sentido de las agujas del reloj (derecha)
Reinforced No
Reinforced Non
Length 242.5
Color Black
Color Negro
Color Noir
Shank Length 206
Washer Included No
Washer Included Non
End 1 Gender Macho
End 1 Gender Male
End 2 Gender Macho
End 2 Gender Male
Stud Length 206
Finish Painted
Finish Pintado
Pre-Greased Oui
Pre-Greased
Pre-Greased Yes
Castle Nut Included No
Castle Nut Included Non
Grease Fitting Included No
Grease Fitting Included Non
Dust Boot Included Oui
Dust Boot Included
Dust Boot Included Yes
Width 38
Type Recto
Fits Porsche · 40 vehicles

OE direct replacement. Directly replaces the original equipment tie rod on specific applications.

Steel housing. Built with a steel housing for dependable steering support.

Pre-greased design. Arrives ready for smoother, safer operation.

Cross-references Delphi TA3617 and 99134732200 for the same application. See all 2.

$39.17Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

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Step 2 — Quantity
Order total $39.17
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 543-377 Steering Tie Rod End

Dorman 543-377 is a direct replacement steering tie rod end for specific Porsche front inner applications. It is built for smooth, safe steering operation and matches the original equipment layout for the vehicles listed below.

Key Features

  • Direct replacement for the original tie rod end on select Porsche models
  • Front inner steering position
  • Clockwise (right) thread direction
  • Straight design with painted steel housing
  • Pre-greased with dust boot included
  • Mounting hardware and locking nut included
  • Standard replacement grade
  • Not adjustable and not greaseable

Detailed Description

This Dorman steering tie rod end, part number 543-377, is engineered for front inner steering service on Porsche 718 Boxster, 718 Cayman, 718 Spyder, 911, Boxster, Cayman, and 918 Spyder applications. It directly replaces the original equipment tie rod end and has undergone an evaluation process focused on consistent steering performance and safe operation. The steel housing, painted finish, and included dust boot support durable service in the steering linkage.

This part cross-references Delphi TA3617 for the same application.

What It Helps Repair

  • Loose or imprecise steering feel
  • Front-end steering play
  • Uneven tire wear caused by worn steering linkage components
  • Noisy or unstable steering response
  • Replacement of a worn front inner tie rod end on Porsche steering systems

Installation Notes and Tips

Fits 2017-2025 Porsche 718 Boxster, front inner. Fits 2017-2025 Porsche 718 Cayman, front inner. Fits 2020-2025 Porsche 718 Spyder, front inner. Fits 2012-2019 Porsche 911, front inner. Fits 2013-2016 Porsche Boxster, front inner. Fits 2014-2016 Porsche Cayman, front inner. Fits 2015 Porsche 918 Spyder, front inner.

Confirm the clockwise right-hand thread direction before installation and verify alignment after replacement. Because this is a front inner steering component, proper inspection of related steering parts and a professional alignment are recommended after service.

Quality Assurance

Dorman subjects this replacement tie rod end to an industry-focused evaluation process to help ensure dependable steering operation. The part number 543-377 is built as a standard replacement for the listed Porsche applications.

This part fits 40 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2025Porsche718 BoxsterFront Inner
2025Porsche718 CaymanFront Inner
2025Porsche718 SpyderFront Inner
2024Porsche718 BoxsterFront Inner
2024Porsche718 CaymanFront Inner
2024Porsche718 SpyderFront Inner
2023Porsche718 BoxsterFront Inner
2023Porsche718 CaymanFront Inner
2023Porsche718 SpyderFront Inner
2022Porsche718 BoxsterFront Inner
2022Porsche718 CaymanFront Inner
2022Porsche718 SpyderFront Inner
2021Porsche718 BoxsterFront Inner
2021Porsche718 CaymanFront Inner
2021Porsche718 SpyderFront Inner
2020Porsche718 BoxsterFront Inner
2020Porsche718 CaymanFront Inner
2020Porsche718 SpyderFront Inner
2019Porsche718 BoxsterFront Inner
2019Porsche718 CaymanFront Inner
2019Porsche911Front Inner
2018Porsche718 BoxsterFront Inner
2018Porsche718 CaymanFront Inner
2018Porsche911Front Inner
2017Porsche718 BoxsterFront Inner
2017Porsche718 CaymanFront Inner
2017Porsche911Front Inner
2016Porsche911Front Inner
2016PorscheBoxsterFront Inner
2016PorscheCaymanFront Inner
2015Porsche911Front Inner
2015Porsche918 SpyderFront Inner
2015PorscheBoxsterFront Inner
2015PorscheCaymanFront Inner
2014Porsche911Front Inner
2014PorscheBoxsterFront Inner
2014PorscheCaymanFront Inner
2013Porsche911Front Inner
2013PorscheBoxsterFront Inner
2012Porsche911Front Inner
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Delphi — TA361799134732200