Dorman 977-593 Electronic Throttle Body Compatible with Select

In this review of the Dorman 977-593 Electronic Throttle Body, the bottom line is simple: it is a practical replacement for owners of select Ford and Lincoln models who need a reliable fix for throttle body failures caused by moisture, oil intrusion, or failing electronics. The reviewer found the biggest reason to buy is the upgraded, non-contact Hall effect sensor and Sensor Shield butterfly shaft seal, which directly address common failure modes. For drivers who want a new, drop-in unit without a core charge and with proven endurance testing, this throttle body is worth considering.

Key Features

• Contactless Hall effect sensor: Provides a more durable sensing method that resists the electronic failures that plague many original units.
• Sensor Shield butterfly shaft seal: Helps prevent moisture and oil intrusion that commonly lead to throttle body malfunction and limp mode.
• 100% new aluminum construction: Not remanufactured, so buyers avoid core charges and get a fresh case for long-term reliability.
• Endurance-proven testing: Over one million cycle tests and compliance with Federal Motor Vehicle Safety Standards offer confidence in durability.
• Vehicle try-on tested: Backed by product experts in the United States, improving the likelihood of correct fit and function.

Who It's For

This part is aimed at owners of compatible Ford and Lincoln vehicles - notably Ford F-150s from 2011-2016, Ford Expedition and Lincoln Navigator 2015-2017, and a range of Ford Transit models from 2015-2020 - who need a direct replacement that reduces the chance of repeat failures. Installers and DIY mechanics who want a plug-and-play unit with a gasket included will appreciate the straightforward swap and reported ease of installation.

Those who should look elsewhere include owners of vehicles not listed in the fitment range and drivers who prefer an OEM-branded assembly for warranty parity; always use the garage tool and enter make, model and trim level to confirm exact fitment before purchase.

Pros & Cons

Pros

• Durable non-contact sensor design reduces risk of internal electronic failure.
• Proprietary shaft seal helps block moisture and oil intrusion to extend service life.
• New aluminum case means no core charge and predictable quality out of the box.
• Well-tested construction with FMVSS compliance offers solid reliability expectations.

Cons

• Some customers still reported limp mode occurrences after installation, so symptoms should be diagnosed before replacing the throttle body.

Specifications

Our Verdict

The Dorman 977-593 is a sensible, value-focused replacement for owners of listed Ford and Lincoln vehicles who want to avoid repeat throttle body failures. Its non-contact sensor, upgraded shaft seal, and new-case construction make it a practical alternative to remanufactured units, offering good longevity and straightforward installation for DIYers and professional installers alike.

Frequently Asked Questions

Will this throttle body fit my vehicle?
Enter your make, model and trim level into the garage tool to confirm fitment for your specific Ford or Lincoln.

Is this a new part or remanufactured?
This unit uses a 100% new aluminum case and is not remanufactured, so there is no core charge.

Does it reduce the chance of future failures?
Yes, the contactless Hall effect sensor and Sensor Shield shaft seal are designed to prevent the moisture and electronic failures common to original units.