Delphi Lateral Arm TC8458
Delphi Lateral Arm TC8458

Delphi Lateral Arm P/N:TC8458

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$66.99
WARNING:California Proposition 65▾
MPN: TC8458
UPC: 689604408667
Item Package Quantity: 1
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Delphi Lateral Arm P/N:TC8458
Delphi Lateral Arm P/N:TC8458
$66.99

Keep your rear suspension tracking true with the Delphi Lateral Arm TC8458, a direct-fit replacement for the 2015-2024 Ford Edge, 2015-2025 Ford Mustang, 2016-2018 Lincoln MKX, 2017-2020 Lincoln Continental, and 2019-2023 Lincoln Nautilus (all engines). Cataloged for the rear right upper position — refer to the Applications for the exact position on your vehicle — this lateral arm locates the wheel and helps control side-to-side movement of the rear suspension, keeping alignment and ride behavior in check.

  • OE-level testing: validated to withstand temperatures below -40°C and above 120°C, plus 720 hours of salt-spray exposure.
  • 100% inspection: every arm undergoes crack detection and ultrasonic flaw detection so materials match OE specifications.
  • Anti-corrosion protection: applied to each part for corrosion prevention and improved appearance.
  • Ready to install: includes the accessories needed to complete the job.

Delphi's dimensional and material analysis is aimed at close compatibility between the OE and aftermarket part, and each arm is built for consistent performance. Country of origin: Turkey.

Interchange: 527-502 · E1GZ 5500-C · FR3Z 5500-C · FR3Z-5K789-A · FR3Z-5K789-B · G3GZ-5500-D
527502 · E1GZ5500C · FR3Z5500C · FR3Z5K789A · FR3Z5K789B · G3GZ5500D · RK643303 · CMS401251 · X15CJ7084

This part cross-references / interchanges with the following part numbers:

527-502, E1GZ 5500-C, FR3Z 5500-C, FR3Z-5K789-A, FR3Z-5K789-B, G3GZ-5500-D, RK643303, CMS401251, X15CJ7084

Frequently Asked Questions

What is the Delphi TC8458?

It is a lateral arm — a rear-suspension link that locates the wheel and helps control side-to-side movement, keeping the rear geometry and alignment stable.

Which vehicles does this lateral arm fit?

It fits the 2015-2024 Ford Edge, 2015-2025 Ford Mustang, 2016-2018 Lincoln MKX, 2017-2020 Lincoln Continental, and 2019-2023 Lincoln Nautilus (all engines). See the Buyer's Guide tab for full details.

What position is this arm for?

It is cataloged for the rear right upper position (including rear right upper rearward). Refer to the Applications for the exact position specific to your vehicle.

What are signs a lateral arm may need replacing?

Possible signs include clunking or knocking from the rear over bumps, uneven rear tire wear, and trouble holding alignment. Have the cause diagnosed, as these can have other sources.

Does it include the necessary accessories?

Yes. Delphi states this arm includes the accessories needed for a complete job. Always follow the vehicle service procedure for torque and any single-use fasteners.

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