Skip to content
ONE-STOP EXCAVATOR & DIESEL ENGINE PARTS SOLUTION EXPERT | GUANGZHOU, CHINA
Request Quote
Quick sourcing

Diesel Engine Parts

DB58 Thermostat Seat Compatible with Doosan Engine Parts for Excavator, Truck, Forklift

MOQ: 1pcs Price: Negotiable
Part No.
SKU-DB58THERMOSTATSEATSU-9288367
Engine Model
DB58
Warranty
6 Months
Place of Origin
Guangdong, China; Guizhou, China
Size
OEM Standard
Chat on WhatsApp

Send OEM number, quantity, destination, or photos. We will reply with quotation, lead time, and fitment notes.

Fitment check OEM number, engine model, and machine model confirmation.
Manual quote Price, MOQ, stock, lead time, and replacement options.
Export support Packing notes, mixed order support, and shipping details.

Product Details

Db58 Thermostat Seat Suitable For Doosan Engine Parts

Product Overview

This high-quality DB58 Thermostat Seat is a precision-engineered component designed for use in a wide range of heavy-duty diesel engines manufactured by Doosan. As a critical part of the engine’s cooling system, the thermostat seat ensures the proper housing and operation of the thermostat, which regulates engine temperature for optimal performance and longevity.

Manufactured to meet OEM specifications, this thermostat seat is commonly used in various industrial and construction machinery applications, including excavators, trucks, forklifts, bulldozers, buses, and loaders equipped with the DB58 engine model. It serves as a reliable replacement part to restore cooling system integrity and prevent overheating.

Our DB58 thermostat seat is produced under strict quality controls, ensuring dimensional accuracy and durability in demanding operating conditions. Whether you are a maintenance professional, equipment dealer, or fleet manager, this part offers a cost-effective solution without compromising on performance.

Key Features & Benefits

  • OEM-Spec Design: Manufactured to match original Doosan dimensions for seamless installation and reliable fitment on DB58 engines.
  • Durable Construction: Built from high-grade materials to withstand extreme temperatures and continuous thermal cycling in diesel engines.
  • Cooling System Integrity: Provides a secure housing for the thermostat, preventing coolant leaks and ensuring precise temperature regulation.
  • Versatile Application: Compatible with multiple heavy machinery types including excavators, trucks, forklifts, bulldozers, buses, and loaders powered by the DB58 engine.
  • Cost-Effective Alternative: Offers factory-quality performance at competitive pricing, making it an economical choice for maintenance and repair operations.
  • Easy Identification: Clear part markings and packaging facilitate quick identification and inventory management for workshops and distributors.
  • Rigorous Testing: Each unit undergoes inspection to verify dimensional accuracy and structural integrity before shipment.

Technical Specifications

Specification Details
Part Name Thermostat Seat
Engine Model DB58
Engine Type Diesel
Weight 2 kg
Size OEM Standard
Warranty 6 Months
Place of Origin Guangdong, China; Guizhou, China
Inspection Support Video Outgoing Inspection, Machinery Test Report

OEM Cross-Reference

This DB58 thermostat seat is designed as a direct replacement for original Doosan parts. While a specific OEM part number is not listed in the source data, it is functionally equivalent to genuine Doosan thermostat seat assemblies used in DB58 engine applications. For precise fitment verification, we recommend cross-referencing with your existing part or consulting your equipment’s parts manual.

Compatible with Doosan engine models including but not limited to the DB58 series.

Compatibility

This product is commonly used for the following applications:

  • Engine Models: Doosan DB58 Diesel Engine
  • Vehicle/Equipment Types: Excavators, Trucks, Forklifts, Bulldozers, Buses, Loaders, and other heavy machinery equipped with the DB58 engine

Important: Always verify compatibility with your specific engine serial number and equipment model before purchasing. This part is intended for the DB58 engine platform and may not fit variants with different cooling system configurations.

Global Supply & Distribution

We offer worldwide shipping capabilities to meet the needs of international B2B buyers. Our distribution network supports fast and reliable delivery to major industrial centers and ports across the globe, including:

  • North America: Los Angeles, Houston, Chicago, Toronto
  • Europe: Rotterdam, Hamburg, Antwerp, Felixstowe
  • Asia-Pacific: Singapore, Shanghai, Busan, Sydney
  • Middle East: Dubai, Jeddah, Doha
  • Africa & South America: Major ports with established shipping routes

With export experience and compliance with international trade standards, we ensure professional packaging, accurate documentation, and timely delivery for bulk orders. We welcome OEM/ODM inquiries and can accommodate customized packaging or branding requirements for qualified partners.

Quality Assurance

Our DB58 thermostat seats are manufactured in ISO-compliant facilities in Guangdong and Guizhou, China, ensuring consistent quality and precision. Each unit is subject to rigorous inspection procedures, including:

  • Dimensional Verification: Critical measurements are checked against OEM specifications to guarantee fitment.
  • Material Testing: Raw materials are tested for heat resistance and structural durability.
  • Visual Inspection: Surface finish and casting quality are examined for defects.

We provide a 6-month warranty against manufacturing defects, giving you confidence in your purchase. Video outgoing inspection and machinery test reports are available upon request to validate product quality before shipment.

FAQ

Q1: How can I confirm this thermostat seat fits my specific Doosan DB58 engine?
A: We recommend checking your existing part’s physical dimensions and comparing it to the OEM specifications. If you have the part number from your original thermostat seat or your engine’s service manual, please contact our sales team with that information. We can assist in verifying compatibility based on your engine serial number and equipment model.

Q2: What is the typical installation procedure for this thermostat seat?
A: Installation should be performed by a qualified mechanic. The general process involves draining the coolant, removing the old thermostat housing, cleaning the mating surfaces, and installing the new thermostat seat with a new gasket (sold separately). Torque bolts to manufacturer specifications and refill with the correct coolant mixture. Always refer to your engine’s service manual for detailed instructions.

Q3: How should I maintain the thermostat seat to ensure long service life?
A: The thermostat seat itself requires minimal maintenance. However, to maximize its lifespan, ensure the cooling system is regularly serviced with the correct coolant mixture to prevent corrosion and scale buildup. Check for coolant leaks periodically and replace the thermostat and gasket as recommended in the engine maintenance schedule. Using high-quality coolant and maintaining proper coolant levels will help protect the seat and other cooling system components.

WhatsApp