K4102D2-1 Thermostat 03011-1 1524111-00022-001 for Weichai Engine Parts

Product Details

Product Overview

This high-quality Thermostat is specifically designed as a critical cooling system component for the Weichai K4102D2-1 diesel engine. As an essential part of the engine’s thermal management system, it regulates coolant flow to maintain optimal operating temperature, ensuring efficient combustion and reducing wear on engine components.

Identified by OEM part numbers 03011-1 and 1524111-00022-001, this thermostat is manufactured to meet original equipment specifications. It is a direct replacement part suitable for a wide range of heavy-duty applications, including construction machinery, industrial equipment, agricultural tractors, generator sets, marine engines, and material handling equipment powered by the Weichai K4102D2-1 diesel engine.

Each unit undergoes rigorous outgoing inspection to ensure reliable performance under demanding conditions. Whether you are maintaining a fleet of excavators, wheel loaders, or stationary power units, this thermostat provides the precise temperature control required for engine longevity and fuel efficiency.

Key Features & Benefits

• OEM Specification Compliance: Manufactured to match the exact dimensions and opening temperature of the original Weichai part, ensuring a perfect seal and proper coolant flow regulation.
• Durable Construction: Built with corrosion-resistant materials and a robust wax-pellet element for reliable operation across extreme temperature cycles.
• Precision Temperature Control: Designed to open and close at the correct threshold, preventing engine overcooling or overheating for optimal fuel economy and reduced emissions.
• Enhanced Engine Protection: Maintains stable operating temperature to minimize thermal stress, reduce cylinder liner wear, and extend the service life of the water pump and radiator.
• Rigorous Quality Testing: Every unit is tested during production and includes a video outgoing inspection report, verifying operational integrity before shipment.
• Versatile Application Fit: Suitable for multiple industries including construction, agriculture, marine, and power generation, making it an ideal stock item for equipment dealers and repair shops.
• Easy Installation: Direct bolt-on replacement with no modifications required. Includes necessary gasket surfaces for a leak-free installation.

Technical Specifications

OEM Cross-Reference

This thermostat is a direct replacement for the following original equipment part numbers. Please verify your existing part number for compatibility:

• Weichai OEM Part 1: 03011-1
• Weichai OEM Part 2: 1524111-00022-001

Note: Always cross-reference your old part number with the numbers listed above. While this part is manufactured to OEM specifications, slight variations in production batches may exist. If your part number is not listed, please contact our technical support team for verification.

Compatibility

This thermostat is commonly used for the following engine and equipment applications. Fitment is based on the engine model and may vary by specific equipment configuration.

• Engine Models: Weichai K4102D2-1, K4102D2
• Applications:
  • Construction Machinery (Excavators, Loaders, Bulldozers)
  • Industrial Equipment (Compressors, Pumps)
  • Agricultural Tractors & Harvesters
  • Generator Sets (Gensets)
  • Marine Propulsion Engines
  • Material Handling Equipment (Forklifts, Cranes)

Please confirm your engine model and existing part number before purchasing. This part is designed for the K4102 series diesel engines and may not fit other engine families without verification.

Global Supply & Distribution

We offer worldwide shipping to meet the urgent demands of B2B buyers across the globe. Our logistics network ensures fast and reliable delivery to major industrial ports and distribution centers.

• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands, France, Italy), Asia-Pacific (Australia, Japan, South Korea, Singapore, Indonesia), Middle East (UAE, Saudi Arabia, Qatar), Africa (South Africa, Nigeria, Kenya), and South America (Brazil, Chile, Argentina).
• Shipping Options: Express courier (DHL, FedEx, UPS) for urgent orders, air freight for bulk shipments, and sea freight for cost-effective large-volume orders.
• Export Compliance: All products are packaged and documented in compliance with international trade regulations, including proper HS classification and commercial invoicing.
• Inventory Availability: We maintain deep stock levels of Weichai engine parts to ensure fast dispatch times, typically within 24-48 hours of order confirmation.

Quality Assurance

Our manufacturing process adheres to strict quality control standards to ensure every thermostat meets or exceeds OEM performance requirements.

• Manufacturing Standards: Produced in an ISO-certified facility with advanced testing equipment.
• Inspection: Each unit undergoes a Machinery Test Report and Video Outgoing Inspection to verify opening temperature, seal integrity, and mechanical function.
• Warranty: Backed by a 6-month warranty against manufacturing defects. After warranty, we provide continuous online technical support to assist with troubleshooting and installation guidance.
• OEM Service: We offer custom OEM packaging and branding services for volume buyers and distributors.

FAQ

Q1: How do I verify if this thermostat fits my Weichai K4102 engine?

First, locate the engine model plate on your equipment, typically found on the valve cover or side of the engine block. Confirm it reads K4102D2-1 or K4102D2. Next, remove your old thermostat and check the stamped part number. If it matches 03011-1 or 1524111-00022-001, this part is a direct replacement. If you are unsure, measure the flange diameter (OEM size) and compare with the new unit.

Q2: What is the correct installation procedure for this thermostat?

Ensure the engine is cool and coolant is drained below the thermostat housing level. Remove the housing bolts, clean the mating surfaces thoroughly, and replace the gasket if necessary. Install the new thermostat with the wax pellet (bulb) facing into the engine block, ensuring it sits flush in the recess. Reattach the housing, tighten bolts to manufacturer specifications, refill coolant, and bleed air from the system. Start the engine and check for leaks and proper temperature regulation.

Q3: What are common signs that my thermostat is failing and needs replacement?

Common symptoms include: Engine overheating (thermostat stuck closed), slow warm-up or low operating temperature (thermostat stuck open), coolant temperature fluctuating erratically, or coolant leaks around the thermostat housing. If you notice any of these issues, replace the thermostat immediately to prevent severe engine damage such as cylinder head cracking or gasket failure. Regular replacement every 2-3 years or 2,000 operating hours is recommended for heavy-duty applications.