Dorman Electronic Throttle Body 977-593 OE FIX for Select Ford & Lincoln — Hall Effect Sensor, Sensor Shield Seal

Dorman 977-593 is a direct-fit electronic throttle body replacement built with a contactless Hall effect sensor and a Sensor Shield shaft seal to resist moisture and oil intrusion.

This OE FIX throttle body from Dorman replaces failing original equipment units on a range of Ford and Lincoln vehicles by using redesigned internal electronics and improved sealing to reduce repeat failures. It ships as a 100% new aluminum housing (no remanufacture), is plug-and-play for compatible models, and has been endurance-tested to meet driver expectations for longevity and safety. Before purchasing, confirm fitment by entering your vehicle make, model and trim in the garage fitment tool.

Why does the OE FIX design matter for throttle body reliability?

Original throttle bodies commonly fail when oil or moisture gets into the control electronics or when the butterfly shaft seal wears out. Dorman's OE FIX design addresses those failure points by switching to a contactless sensor and a fortified seal to keep contaminants away from critical components. That reduces the chance of intermittent throttle response or electronic faults caused by contamination.

• Contactless Hall effect sensor avoids wear from moving electrical contacts.
• Sensor Shield butterfly shaft seal blocks oil and moisture intrusion.
• New, not remanufactured aluminum case removes the risk of legacy damage.

How easy is installation and fitment for common Ford and Lincoln models?

The Dorman 977-593 is built as a plug-and-play replacement for listed Ford and Lincoln years and models, so installation is straightforward when it matches your vehicle. Wiring connectors, mounting points and throttle linkage locations are made to align with OE specifications to minimize modifications. Still, always use the garage tool to verify that your exact trim and engine configuration are supported before purchase.

• Direct-fit connector and bolt pattern for compatible vehicles.
• No core return or reman charge—arrives ready to install.
• Vehicle try-on tested to confirm real-world compatibility.

What performance and durability testing supports this replacement part?

Dorman subjects this throttle body to endurance and safety evaluations that replicate long-term use and regulatory standards. The product meets Federal Motor Vehicle Safety Standards and has been cycle-tested to ensure the throttle mechanism endures repeated operation. These tests help ensure you receive a component that performs reliably under typical driving conditions.

• Over one million cycle endurance testing to validate longevity.
• FMVSS compliance for safety-related performance checks.
• U.S.-based product experts support quality control and validation.

What practical benefits will drivers notice after replacing a failing throttle body?

Replacing a compromised throttle body with the Dorman OE FIX unit can resolve issues such as throttle surging, limp-home mode triggers, or check engine light codes tied to throttle position and electronics. Because the replacement uses a non-contact sensor and improved sealing, you should see more consistent throttle response and fewer repeat failures caused by contamination. It’s a repair that focuses on correcting common electronic and sealing weaknesses found in earlier OE parts.

• Stabilized throttle response and reduced electronic error codes.
• Lower risk of repeat failure from oil or moisture contamination.
• Factory-style fit without the uncertainties of remanufactured cores.

Who is this for: The Dorman 977-593 OE FIX electronic throttle body is for owners and technicians who need a reliable, direct-replacement throttle body for compatible Ford and Lincoln models (including Expedition, F-150, Transit series, and Navigator years listed). It’s especially suitable for vehicles experiencing electronic throttle faults, moisture-related failures, or recurring throttle position errors, and for anyone who prefers a new-case unit with improved sealing and sensor technology over a remanufactured option.