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The Vehicle Speed Sensor (OEM Numbers: 8-97256525-0 / 8972565250) is a premium-quality, direct replacement electronic sensor designed specifically for ISUZU NKR77 series light-duty trucks equipped with 4JH1T and 4KH1T diesel engines.
Part Number
8-97256525-0, 8972565250
Product Name
Vehicle Speed Sensor / Speed Sensor / SENSOR; VEHICLE SPD
Car Model
ISUZU NKR77
Engine Model
ISUZU 4JH1T (3.0L), 4KH1T (3.0L) Diesel Engines
Condition
100% Brand New
Origin
China Mainland
Warranty
6 Months
Function & Operation
Vehicle speed sensor measures transmission output speed and sends electrical signal to ECU and speedometer, ensuring accurate speed display and proper vehicle operation in ISUZU NKR77 trucks.
This precision-engineered sensor monitors the rotational speed of the transmission output shaft and converts it into an electrical pulse signal. The signal is transmitted to the engine control unit (ECU), instrument cluster, and other vehicle systems. It is essential for accurate speedometer display, odometer operation, proper transmission shift control, and various engine management functions.
Features & Advantages
OE Quality: Manufactured to strict ISUZU dimensional and electrical specifications for perfect fit and function
Accurate Speed Signal: Precision sensing element provides reliable, consistent speed signal to ECU and instrument cluster
Durable Construction: Robust housing resists vibration, temperature extremes, and under-vehicle contaminants
Restores Speedometer Function: Eliminates erratic, intermittent, or non-operational speed display
Improves Drivability: Correct speed signal ensures proper transmission shift points and vehicle operation
Direct Replacement: Matches OE sensor dimensions, thread pitch, and electrical connector
Long Service Life: Engineered for light-duty commercial truck applications
Essential for Diagnostics: Proper speed signal helps avoid false trouble codes and enables accurate system monitoring
Cost-Effective Repair: Affordable replacement that restores proper vehicle speed sensing
Vehicle & Engine Compatibility
This vehicle speed sensor is specifically designed for ISUZU light-duty trucks and commercial vehicles. Common applications include:
ISUZU NKR77 (Light-Duty Trucks)
ISUZU N Series (NH, NK, NP - as applicable)
ISUZU 4JH1T Engine Specifications:
4-Cylinder, Inline Turbo Diesel
Displacement: 3.0L
Application: Light-duty trucks and commercial vehicles
ISUZU 4KH1T Engine Specifications:
4-Cylinder, Inline Turbo Diesel
Displacement: 3.0L
Application: Light-duty trucks and commercial vehicles
Also compatible with various ISUZU models using the same speed sensor configuration and 4JH1T/4KH1T engines
Installation Notes
Professional mechanic or auto electrician installation recommended:
Ensure vehicle is safely raised - Use appropriate jack stands or a lift to access the sensor location
Locate the vehicle speed sensor - Typically mounted on the transmission output shaft housing or rear differential
Disconnect battery - Always disconnect the negative terminal before working on electrical components
Disconnect electrical connector - Carefully unplug the wire harness connector from the old sensor
Remove the old sensor - Unscrew or unbolt the old sensor from its mounting location
Clean the mounting area - Remove dirt, debris, or metal particles from the sensor mounting hole and trigger wheel
Inspect trigger wheel - Check for damaged or missing teeth on the tone ring/trigger wheel
Install new sensor - Thread or bolt the new sensor into position; ensure proper seating
Adjust air gap - If applicable, set the air gap between sensor tip and trigger wheel per specification
Reconnect electrical connector - Plug the wire harness securely into the new sensor; apply dielectric grease
Reconnect battery - Reconnect the negative terminal
Test operation - Start the engine and drive the vehicle; verify speedometer operation and check for trouble codes
Clear codes - Use a diagnostic scanner to clear any related trouble codes
Quality Control
Electrical Testing: Each sensor tested for proper signal output and resistance
Signal Waveform Verification: Sample tested to ensure clean, consistent pulse signal
Dimensional Inspection: Thread size, body length, and connector type verified for exact fit
Sealing Inspection: Housing and connector checked for proper sealing against moisture and dust
Visual Inspection: 100% checked for defects, damage, or assembly errors
Packaged Safely: Protected and packaged to prevent damage during transit
Product Images
Inquiry & Contact
For pricing, availability, or bulk purchase of the Vehicle Speed Sensor 8-97256525-0 8972565250 For ISUZU NKR77 4JH1T 4KH1T Truck, please contact our sales team for a competitive quote and expert technical support.
Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
