Product Overview

This OEM-grade 221-8859 Pressure Sensor is a precision-engineered component designed for Caterpillar diesel engines, ensuring reliable performance in demanding industrial and construction environments. We specialize in the global supply of high-quality aftermarket engine parts, serving major markets across North America, Europe, the Middle East, and Asia-Pacific with efficient logistics and export compliance.

Key Features & Benefits

• Precision Performance: Delivers accurate and stable pressure readings for optimal engine management and fuel efficiency.
• Robust Durability: Manufactured to withstand high-pressure environments, vibration, and extreme temperatures common in heavy machinery.
• Direct OEM Replacement: Built to exact OEM specifications (OEM Size) for a perfect fit and seamless integration without modifications.
• Extended Service Life: High-quality materials and construction reduce downtime and lower the total cost of ownership.
• Global Compliance: Sourced from ISO-certified suppliers and suitable for international trade and application standards.

Technical Specifications

OEM Cross-Reference

This part serves as a direct replacement for the following OEM part number:

• Caterpillar®: 221-8859

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

Compatibility

This pressure sensor is engineered for compatibility with the following Caterpillar machinery, commonly used in global heavy industry sectors:

• Primary Engine Models: Caterpillar 320C, 320D, 330C, 330D, 325CL
• Typical Equipment: Excavators, Track-Type Tractors, and other heavy construction machinery powered by the listed engine models.
• Global Application: Suitable for equipment operating in construction, mining, agriculture, power generation (gensets), marine propulsion, and port handling across diverse climatic conditions.

Global Supply & Distribution

We are a trusted B2B supplier for engine components with a robust international supply chain. Our capabilities include:

• Worldwide Shipping: Reliable export to all major global markets, including the USA, Canada, Germany, UAE, Australia, and Southeast Asia.
• Fast Logistics: Efficient delivery to key industrial hubs and major ports such as Rotterdam, Los Angeles, Singapore, and Dubai.
• Export Expertise: Comprehensive experience in international trade documentation, customs clearance, and compliance with regional import regulations.
• Bulk & Single Orders: Flexible supply options tailored for distributors, workshops, and large-scale fleet operators.

Quality Assurance

We commit to providing components that meet the high standards required for critical engine systems.

• Manufacturing Standards: Produced in facilities adhering to strict quality control protocols.
• Warranty: Backed by a 6-month warranty from the date of purchase, covering manufacturing defects.
• Testing & Inspection: Each batch undergoes rigorous testing. A machinery test report and video outgoing-inspection are provided to ensure performance and quality.
• Post-Warranty Support: Continued online technical support is available to assist with installation and application queries.

FAQ

Q: How do I confirm this sensor is compatible with my specific Caterpillar machine?
A: While this sensor is designed for the listed engine models (320C, 320D, etc.), compatibility can vary by machine configuration and production year. We strongly recommend cross-referencing the part number (221-8859) with your machine’s official service manual or engine serial number plate before ordering.

Q: What is included in the quality inspection, and can I receive the report?
A: Yes. Our quality assurance includes dimensional checks, pressure response calibration, and seal integrity tests. A formal machinery test report and a video record of the outgoing inspection are available upon request to verify the product’s condition before shipment.

Q: Do you provide technical support for installation?
A> Yes. We offer online technical support for installation guidance. For critical applications, we always recommend consulting a certified technician and following the official Caterpillar service procedures to ensure proper installation and system integrity.

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 .