Walker 235-91402 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Lexus

The Walker 235-91402 engine crankshaft position sensor is built for precise crankshaft signal input, helping the engine control system manage ignition timing and fuel delivery with accuracy. It is a direct-fit style sensor for select Lexus applications, including 1990-1997 Lexus LS400 and 1992-1997 Lexus SC400, with a square connector and black housing for a clean OE-style replacement.

Key Features

• Engine crankshaft position sensor for ignition system signal monitoring
• Black housing with square connector design
• 1 connector, female connector gender
• 2 blade terminals, male terminal gender
• 1 mounting hole for straightforward installation alignment
• Built for stable signal delivery and resistance to electromagnetic interference
• Walker Full Service Kit product line for select Lexus fitments

Detailed Description

Walker 235-91402 is an engine crankshaft position sensor engineered to support accurate engine timing and fuel injection control. In vehicles such as the Lexus LS400 and Lexus SC400, the crankshaft position sensor provides critical position data that the engine management system uses to coordinate spark and fuel events. The Full Service Kit line from Walker focuses on application-specific coverage and OE-style integration, making this sensor a practical choice for service work on 1990-1997 Lexus LS400 and 1992-1997 Lexus SC400 models. This part number, 235-91402, is intended for direct replacement use where the original sensor uses a square connector, female plug, and blade-style terminals.

Vehicle Fitment

• Fits 1990-1997 Lexus LS400, N/A
• Fits 1992-1997 Lexus SC400, N/A

What It Helps Address

• Crankshaft signal loss that can affect ignition timing
• Hard starting caused by inaccurate engine position data
• Rough running from inconsistent fuel injection timing
• Check engine light conditions related to crank sensor faults
• Intermittent stalling tied to weak or unstable sensor output

Installation Notes

Verify connector shape, terminal count, and mounting location before installation. The sensor uses a square connector, 1 connector, 2 blade terminals, and 1 mounting hole, so matching the original electrical and physical interface is important for proper fitment. Confirm the application against the vehicle’s service information before replacing the original unit. Part number 235-91402 should be installed on the listed Lexus LS400 and Lexus SC400 applications only.

Quality Assurance

Walker Products positions this sensor as a precision-focused replacement built for durability and stable operation in demanding engine environments. The design emphasizes accurate crankshaft signal delivery, compatibility with engine management systems, and resistance to electromagnetic interference for consistent performance in service.