Speed Sensor 1-81510343-2 for 6HK1 4HK1 6BG1 Engine Excavator

Product Details

Product Overview

This genuine Speed Sensor, identified by the OEM part number 1-81510343-2, is a critical component for the precise monitoring of engine rotational speed in heavy-duty diesel engines. Designed for the Isuzu 6HK1, 4HK1, and 6BG1 series, this sensor ensures accurate data transmission to the engine control unit (ECU), optimizing fuel injection timing and overall engine performance.

Commonly used in excavator applications, this sensor is manufactured to OEM specifications, guaranteeing a direct fit and reliable operation. Whether you are servicing a Komatsu PC200-8, Hitachi ZX200, or other machinery powered by these engines, this component is essential for maintaining operational efficiency and preventing costly downtime.

Key Features & Benefits

• Precision Engineering: Manufactured to match OEM specifications for exact fitment and reliable signal output, eliminating compatibility issues.
• Durable Construction: Built with high-quality materials to withstand extreme temperatures, vibration, and harsh operating environments typical of excavator applications.
• Enhanced Engine Performance: Provides accurate RPM readings to the ECU, enabling optimal fuel injection and combustion efficiency.
• Long-Lasting Reliability: Designed for extended service life, reducing the frequency of replacements and maintenance costs.
• Easy Installation: Direct plug-and-play replacement for the original sensor; no modifications or special tools required.
• OEM Cross-Reference: Replaces original Isuzu part number 1-81510343-2, ensuring compatibility with existing systems.

Technical Specifications

OEM Cross-Reference

This speed sensor is a direct replacement for the following OEM part numbers:

• Isuzu: 1-81510343-2
• Cross Reference: 8-98156121-0 (Alternative variant for specific 4HK1 models)

Note: Always verify your existing part number before ordering to ensure a perfect match.

Compatibility

This sensor is commonly used for the following engine models and applications:

• Engine Models: Isuzu 6HK1, 4HK1, 6BG1 (including TC, TCC, and common-rail variants)
• Common Excavator Applications: Komatsu PC200-8, PC210-8, PC220-8; Hitachi ZX200-5G, ZX210-5G; Sumitomo SH200-5; Kobelco SK200-8

Compatibility is inferred based on engine model fitment. Please cross-reference with your machine’s service manual for exact verification.

Global Supply & Distribution

We offer worldwide shipping capabilities to support international B2B buyers. Our distribution network covers key industrial markets including:

• North America: USA, Canada, Mexico (Fast delivery to major ports like Los Angeles, Houston, and New York).
• Europe: Germany, United Kingdom, Netherlands, France (Warehouse stock for EU distribution, shipping to Rotterdam, Hamburg, and Antwerp).
• Asia-Pacific: Australia, Japan, Singapore, South Korea (Direct shipping to Sydney, Tokyo, and Singapore ports).
• Middle East & Africa: UAE, Saudi Arabia, South Africa (Express delivery to Dubai and Jebel Ali ports).

With standard delivery times of 3-7 business days to major industrial centers, we ensure your operations stay on schedule. All shipments comply with international trade regulations and include proper documentation for customs clearance.

Quality Assurance

Each speed sensor is sourced from verified OEM supply chains and undergoes rigorous quality control checks before shipment. Our quality assurance process includes:

• Testing: Electrical resistance measurement, signal output verification, and thermal cycling tests to ensure reliability under load.
• Certifications: Components meet ISO 9001 manufacturing standards and comply with CE marking requirements for industrial equipment.
• Warranty: Backed by a 3-month warranty covering manufacturing defects. After warranty, we provide video technical support to assist with installation and troubleshooting.

FAQ

Q1: How do I verify if this 1-81510343-2 sensor fits my specific excavator model?
A: First, check the engine model of your machine (it should be an Isuzu 6HK1, 4HK1, or 6BG1). Then, locate the existing sensor on the engine block (usually near the flywheel housing or timing gear cover). Remove it and compare the part number stamped on it to 1-81510343-2. If they match, this sensor is a direct replacement. If unsure, contact our technical support team with your engine serial number for verification.

Q2: What are the signs of a failing speed sensor, and how should I replace it?
A: Common symptoms include engine stalling, rough idling, poor fuel economy, or the check engine light illuminating. The ECU may also log diagnostic trouble codes (DTCs) like P0335 or P0336. To replace, disconnect the battery, unplug the electrical connector, remove the mounting bolt (usually 10mm), and pull out the old sensor. Install the new sensor with a light coating of anti-seize compound on the threads, torque to specification (typically 18-22 Nm), and reconnect the harness. Clear any stored DTCs after installation.

Q3: Can this sensor be used on marine or generator applications with the same engine?
A: Yes, the 1-81510343-2 sensor is electrically and mechanically identical across applications using the same engine block (6HK1/4HK1/6BG1). However, ensure the wiring harness and connector type are compatible with your specific application. For marine or generator use, verify that the sensor’s housing material is suitable for the operating environment (e.g., corrosion resistance for marine settings). If in doubt, consult your equipment’s technical manual.