Walker 235-1141 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Nissan Altima

Walker Products 235-1141 is an engine crankshaft position sensor built for precise crankshaft signal input and reliable engine management. It is a direct-fit style replacement for select 1998-2001 Nissan Altima applications and uses a black housing with an oval 1-connector design.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products line includes sensors and related engine management parts for repair and replacement work.

Key Features

• Engine crankshaft position sensor for ignition and engine timing input
• Fits 1998-2001 Nissan Altima, N/A
• Black sensor body with oval connector shape
• 1 connector, male connector gender
• 2 terminals, female terminal gender
• 1 mounting hole for installation alignment
• Mounting bracket not included
• Walker Products part number 235-1141

Detailed Description

This crankshaft position sensor monitors crankshaft position and rotational timing so the engine control system can calculate ignition and fuel events accurately. For Nissan Altima models from 1998 through 2001, Walker Products 235-1141 provides the sensor interface needed for proper signal delivery to the engine management system. This part cross-references Standard Ignition PC245 for the same application.

Use Walker Products 235-1141 when servicing a Nissan Altima crankshaft sensor concern and you need a replacement that matches the listed connector, terminal, and mounting configuration. The part number 235-1141 is also useful when searching for an OE-style crankshaft position sensor for 1998-2001 Nissan Altima service work.

What It Helps Fix

• Crankshaft position signal loss
• Hard starting or no-start conditions related to crank signal input
• Intermittent stalling tied to sensor signal interruption
• Rough running caused by inaccurate engine timing data
• Check engine light concerns related to crankshaft sensor faults

Installation Notes and Tips

Verify connector shape, terminal count, and mounting-hole alignment before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs, and confirm the sensor seating surface is clean before fitting the replacement. Always compare the vehicle application to the listed fitment for the 1998-2001 Nissan Altima before ordering.

Quality Assurance

Walker Products manufactures engine sensors and related components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, and technical documentation, and operates as an ISO 9001/IATF16949 certified company.