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Walker 235-1649 Engine Crankshaft Position Sensor
Reliable Engine Crankshaft Position Sensor for Select Vehicles
The Walker 235-1649 Engine Crankshaft Position Sensor is designed to provide accurate engine timing data for a range of vehicles including Isuzu, Mercury, Nissan, and Subaru models. This sensor ensures proper engine performance by monitoring crankshaft position and speed.
- Compatible with Nissan 200SX, 240SX, 300ZX, D21, Maxima, NX, Pathfinder, Pulsar NX, Quest, Sentra, and Pickup models
- Fits Isuzu 720 and Trooper models
- Also compatible with Mercury Villager and Subaru Standard models
- Walker Products brand line known for quality ignition sensors
- Part number 235-1649 for precise identification and fitment
About Walker Products Brand Line
Walker Products offers a comprehensive range of ignition sensors engineered to meet OEM specifications. The 235-1649 crankshaft position sensor is part of this line, providing reliable engine management data critical for ignition timing and fuel injection systems. Walker Products focuses on delivering components that maintain engine efficiency and operational stability.
Product Description and Function
The Walker 235-1649 crankshaft position sensor detects the rotational position and speed of the crankshaft, sending this information to the engine control unit (ECU). This data is essential for controlling ignition timing and fuel injection, which directly affects engine performance and emissions. Designed for compatibility with various Nissan, Isuzu, Mercury, and Subaru models, this sensor supports smooth engine operation and helps prevent misfires or stalling.
Common Issues Addressed by This Sensor
- Engine misfires or rough idling due to inaccurate crankshaft data
- Difficulty starting the engine or intermittent stalling
- Check engine light triggered by faulty crankshaft position readings
- Poor fuel economy caused by improper ignition timing
- Engine hesitation or reduced power output
Installation Notes and Tips
When installing the Walker 235-1649 crankshaft position sensor, ensure the engine is cool and the battery is disconnected to prevent electrical shorts. Locate the existing sensor on the engine block and carefully remove it, avoiding damage to the wiring harness. Install the new sensor securely, verifying proper alignment and connection. After installation, clear any diagnostic trouble codes and perform a test start to confirm correct operation.
Quality Assurance and Warranty
Walker Products maintains strict quality control standards for the 235-1649 crankshaft position sensor to ensure durability and accurate performance. While specific warranty details are not provided here, Walker Products typically offers coverage against manufacturing defects. Refer to the product packaging or manufacturer documentation for exact warranty terms.
This part fits 83 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1996 | Mercury | Villager | 3.0L | V6 | N/A | Walker Products |
| 1995 | Mercury | Villager | 3.0L | V6 | N/A | Walker Products |
| 1995 | Nissan | Pathfinder | 3.0L | V6 | N/A | Walker Products |
| 1995 | Nissan | Pickup | 3.0L | V6 | N/A | Hitachi; Walker Products |
| 1995 | Nissan | Quest | 3.0L | V6 | N/A | Walker Products |
| 1994 | Mercury | Villager | 3.0L | V6 | N/A | Walker Products |
| 1994 | Nissan | D21 | 3.0L | V6 | N/A | Walker Products |
| 1994 | Nissan | D21 | 2.4L | L4 | N/A | Hitachi; Walker Products |
| 1994 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1994 | Nissan | Pathfinder | 3.0L | V6 | N/A | Walker Products |
| 1994 | Nissan | Quest | 3.0L | V6 | N/A | Walker Products |
| 1994 | Nissan | Sentra | 2.0L | L4 | N/A | Walker Products |
| 1993 | Mercury | Villager | 3.0L | V6 | N/A | Walker Products |
| 1993 | Nissan | D21 | 3.0L | V6 | N/A | Walker Products |
| 1993 | Nissan | D21 | 2.4L | L4 | N/A | Walker Products |
| 1993 | Nissan | D21 | 2.4L | L4 | N/A | Hitachi; Walker Products |
| 1993 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1993 | Nissan | NX | 2.0L | L4 | N/A | Walker Products |
| 1993 | Nissan | Pathfinder | 3.0L | V6 | N/A | Walker Products |
| 1993 | Nissan | Quest | 3.0L | V6 | N/A | Walker Products |
| 1993 | Nissan | Sentra | 2.0L | L4 | N/A | Walker Products |
| 1992 | Nissan | D21 | 3.0L | V6 | N/A | Walker Products |
| 1992 | Nissan | D21 | 2.4L | L4 | N/A | Hitachi; Walker Products |
| 1992 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1992 | Nissan | NX | 2.0L | L4 | N/A | Walker Products |
| 1992 | Nissan | Pathfinder | 3.0L | V6 | N/A | Walker Products |
| 1992 | Nissan | Sentra | 2.0L | L4 | N/A | Walker Products |
| 1991 | Nissan | D21 | 3.0L | V6 | N/A | Walker Products |
| 1991 | Nissan | D21 | 2.4L | L4 | N/A | Hitachi; Walker Products |
| 1991 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1991 | Nissan | Pathfinder | 3.0L | V6 | N/A | Walker Products |
| 1991 | Nissan | Sentra | 2.0L | L4 | N/A | Walker Products |
| 1990 | Isuzu | Trooper | 2.8L | V6 | N/A | Walker Products |
| 1990 | Isuzu | Trooper | 2.6L | L4 | N/A | Walker Products |
| 1990 | Nissan | 240SX | 2.4L | L4 | N/A | Hitachi; Walker Products |
| 1990 | Nissan | D21 | 3.0L | V6 | N/A | Walker Products |
| 1990 | Nissan | D21 | 2.4L | L4 | N/A | Hitachi; Walker Products |
| 1990 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1990 | Nissan | Pathfinder | 3.0L | V6 | N/A | Walker Products |
| 1989 | Isuzu | Trooper | 2.8L | V6 | N/A | Walker Products |
| 1989 | Isuzu | Trooper | 2.6L | L4 | N/A | Walker Products |
| 1989 | Nissan | 240SX | 2.4L | L4 | N/A | Hitachi; Walker Products |
| 1989 | Nissan | 300ZX | 3.0L | V6 | N/A | Walker Products |
| 1989 | Nissan | D21 | 3.0L | V6 | N/A | Walker Products |
| 1989 | Nissan | D21 | 2.4L | L4 | N/A | Walker Products |
| 1989 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1989 | Nissan | Pathfinder | 3.0L | V6 | N/A | Walker Products |
| 1988 | Isuzu | Trooper | 2.6L | L4 | N/A | Walker Products |
| 1988 | Nissan | 300ZX | 3.0L | V6 | N/A | Walker Products |
| 1988 | Nissan | D21 | 3.0L | V6 | N/A | Walker Products |
| 1988 | Nissan | D21 | 2.4L | L4 | N/A | Walker Products |
| 1988 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1988 | Nissan | Pathfinder | 3.0L | V6 | N/A | Walker Products |
| 1988 | Nissan | Pathfinder | 2.4L | L4 | N/A | Walker Products |
| 1987 | Nissan | 200SX | 1.8L | L4 | N/A | Walker Products |
| 1987 | Nissan | 300ZX | 3.0L | V6 | N/A | Walker Products |
| 1987 | Nissan | D21 | 3.0L | V6 | N/A | Walker Products |
| 1987 | Nissan | D21 | 2.4L | L4 | N/A | Walker Products |
| 1987 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1987 | Nissan | Pathfinder | 3.0L | V6 | N/A | Walker Products |
| 1987 | Nissan | Pathfinder | 2.4L | L4 | N/A | Walker Products |
| 1987 | Nissan | Sentra | 1.7L | L4 | N/A | Non-Threaded; Walker Products |
| 1987 | Nissan | Sentra | 1.6L | L4 | N/A | Non-Threaded; Walker Products |
| 1987 | Subaru | Standard | 1.8L | H4 | N/A | Walker Products |
| 1986 | Nissan | 200SX | 1.8L | L4 | N/A | Walker Products |
| 1986 | Nissan | 300ZX | 3.0L | V6 | N/A | Walker Products |
| 1986 | Nissan | 720 | 2.4L | L4 | N/A | Walker Products |
| 1986 | Nissan | D21 | 3.0L | V6 | N/A | Walker Products |
| 1986 | Nissan | D21 | 2.4L | L4 | N/A | Walker Products |
| 1986 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1986 | Nissan | Sentra | 1.7L | L4 | N/A | Non-Threaded; Walker Products |
| 1986 | Nissan | Sentra | 1.6L | L4 | N/A | Non-Threaded; Walker Products |
| 1985 | Nissan | 200SX | 1.8L | L4 | N/A | Walker Products |
| 1985 | Nissan | 300ZX | 3.0L | V6 | N/A | Walker Products |
| 1985 | Nissan | Maxima | 3.0L | V6 | N/A | Walker Products |
| 1985 | Nissan | Sentra | 1.7L | L4 | N/A | Non-Threaded; Walker Products |
| 1985 | Nissan | Sentra | 1.6L | L4 | N/A | Non-Threaded; Walker Products |
| 1984 | Nissan | 200SX | 1.8L | L4 | N/A | Walker Products |
| 1984 | Nissan | 300ZX | 3.0L | V6 | N/A | Walker Products |
| 1984 | Nissan | Pulsar NX | 1.5L | L4 | N/A | Walker Products |
| 1984 | Nissan | Sentra | 1.7L | L4 | N/A | Non-Threaded; Walker Products |
| 1984 | Nissan | Sentra | 1.6L | L4 | N/A | Non-Threaded; Walker Products |
| 1983 | Nissan | Pulsar NX | 1.5L | L4 | N/A | Walker Products |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.