Product Overview

This high-precision crankshaft position sensor (Part Number: 238-0120) is engineered for Caterpillar C4.4, C6.6, C7.1, and 320D series diesel engines. As a trusted global supplier of heavy-duty engine components, we provide reliable parts to major industrial markets worldwide, ensuring your machinery maintains peak performance and operational efficiency.

Key Features & Benefits

• Precision Engineered: Manufactured to exact OEM specifications for accurate crankshaft position detection, ensuring optimal engine timing and fuel injection control.
• Robust Durability: Built to withstand the high-temperature, high-vibration environment of heavy-duty diesel engines for long-lasting reliability.
• Enhanced Engine Performance: Delivers a stable and accurate signal to the Engine Control Module (ECM), preventing misfires, poor fuel economy, and hard starting.
• Direct OEM Replacement: Designed as a plug-and-play component, offering seamless integration without requiring modifications.
• Quality Assured: Each unit undergoes rigorous testing, including video outgoing inspection, to guarantee functionality and fit.

Technical Specifications

OEM Cross-Reference

This sensor is a direct replacement for the following Caterpillar® OEM part number:

• Caterpillar®: 238-0120

Note: Always verify part number compatibility with your specific engine serial number before purchase.

Compatibility

Primary Engine Applications:

• Caterpillar C4.4 Diesel Engine
• Caterpillar C6.6 Diesel Engine
• Caterpillar C7.1 Diesel Engine
• Caterpillar 320D Engine

Typical Machinery & Vehicle Applications:

• Excavators (e.g., CAT 320D)
• Wheel Loaders
• Forklifts
• Trucks and Buses
• Bulldozers
• Industrial Power Units

Global Supply & Distribution

We are a professional exporter specializing in heavy machinery parts with a robust global logistics network. We reliably serve B2B clients across key industrial regions:

• North America: Fast container shipping to major ports like Los Angeles, Long Beach, and Savannah.
• Europe: Efficient delivery to hubs including Rotterdam, Hamburg, and Antwerp.
• Asia-Pacific: Strong supply chain to Singapore, Sydney, and Tokyo.
• Middle East & Africa: Regular shipments to Jebel Ali (UAE), Durban, and Mombasa.

We handle all export documentation, customs clearance, and compliance for smooth international trade.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using precision tooling and quality materials.
• Comprehensive Testing: Every batch undergoes functional testing and a detailed video outgoing-inspection is provided to verify performance.
• Warranty: Backed by a 6-month warranty against manufacturing defects, ensuring peace of mind for your operations.
• Machinery Test Report: Available upon request to validate product specifications and performance metrics.

FAQ

Q1: How do I confirm this sensor is compatible with my specific Caterpillar engine?
A: While this sensor is designed for C4.4, C6.6, C7.1, and 320D engines, compatibility can vary by sub-model and production year. The most reliable method is to cross-reference the part number (238-0120) with your engine’s technical documentation or the existing sensor on your equipment. Please contact our technical support with your engine serial number for verification.

Q2: What are the common symptoms of a failing crankshaft position sensor on these engines?
A: Typical failure signs include intermittent or complete engine stalling, difficulty starting (crank/no-start), sudden loss of power, irregular idling, and the illumination of the check engine light. A faulty sensor disrupts the timing signal to the ECM.

Q3: Is professional installation required for this part?
A: While installation is generally straightforward for qualified technicians, it is recommended. The process involves locating the sensor (typically on the engine block near the crankshaft pulley), disconnecting the electrical connector, unbolting the old unit, and installing the new one with proper torque specifications. Ensuring the sensor gap is correct is crucial for accurate signal generation.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .