Walker 200-1321 Throttle Position Sensor

Walker 200-1321 Throttle Position Sensor

Walker Products 200-1321 is a throttle position sensor for select Toyota, Lexus, and Geo applications. It is built with a plastic and metal construction, a rectangular female connector, and 4 male blade terminals for throttle body mounting.

Key Features

• Throttle body mounted design for direct throttle position signal input
• Plastic / metal housing for application-specific fit and durability
• Rectangular 1-connector layout with female connector gender
• 4-terminal blade connection with male terminals
• Adjustable design for proper sensor alignment during service
• Mounting hardware and mounting bracket are not included

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting OEM standards and specifications. The Walker Products line includes throttle position sensors, oxygen sensors, cam and crankshaft sensors, fuel injectors, and related engine management parts. Part number 200-1321 is a direct-fit style throttle position sensor for vehicles such as Toyota Camry, Toyota Corolla, Toyota Supra, Lexus LS400, Lexus SC300, and Geo Prizm applications listed in the fitment data. This part cross-references Standard Ignition TH151 for the same application.

Compatible With select 1989-1999 Toyota and Lexus applications, including Fits 1992-1996 Toyota Camry, N/A; Fits 1992-1997 Toyota Corolla, N/A; Fits 1993-1997 Toyota Supra, N/A; Fits 1993-1997 Lexus GS300, N/A; and Fits 1990-1997 Geo Prizm, N/A. The Walker 200-1321 is also listed for additional Toyota and Lexus models in the same fitment range, including 4Runner, Avalon, Celica, Land Cruiser, MR2, Paseo, Previa, RAV4, Tercel, LS400, LX450, SC300, and SC400.

Common Symptoms This Sensor Can Address

• Erratic throttle position signal readings
• Hesitation or poor throttle response
• Rough idle related to throttle input feedback
• Transmission shift concerns tied to throttle signal data
• Check engine light conditions associated with TPS faults

Installation Notes

Verify connector shape, terminal count, and throttle body mounting style before installation. The sensor is adjustable, so final alignment should be set according to the vehicle service procedure after mounting. Confirm fitment by year, make, model, and engine application for Toyota, Lexus, and Geo vehicles before replacing the original unit.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with product management, engineering, and technical support backing the 200-1321 throttle position sensor.