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Diesel Engine Parts

Isuzu 4BD1 Thermostat Seat – Thermostat Housing, Diesel Engine Parts for Construction/Agriculture

MOQ: 1pcs Price: Negotiable
Part No.
1-87810-004 / 8-98023-526
Engine Model
4BD1
Application
Construction / Industry / Agriculture / Genset / Marine / Handling
Warranty
6 Months
Place of Origin
Guangdong, China
Size
OEM Size
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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

4bd1 Thermostat Seat Suitable For Isuzu Engine Parts

Product Overview

This high-quality thermostat seat is specifically engineered for the Isuzu 4BD1 diesel engine. As a critical component of the engine’s cooling system, the thermostat seat (also known as a thermostat housing) provides a secure mounting point for the thermostat, ensuring proper coolant flow regulation and optimal engine operating temperatures.

Manufactured to OEM size specifications, this part is a direct replacement for original Isuzu 4BD1 components. It is designed to withstand the demanding thermal and mechanical stresses found in industrial, agricultural, and construction equipment. Please verify your engine model and existing part configuration to ensure correct fitment before purchase.

Key Features & Benefits

  • OEM-Spec Design: Manufactured to match the exact dimensions and mounting points of the original Isuzu 4BD1 thermostat seat for reliable, direct replacement.
  • Durable Construction: Built from robust materials capable of withstanding high temperatures and constant thermal cycling, ensuring long service life in heavy-duty applications.
  • Precision Fit: Designed for a tight, leak-free seal against the engine block and thermostat, preventing coolant loss and maintaining system pressure.
  • Enhanced Cooling System Reliability: A properly functioning thermostat seat is essential for consistent engine temperature regulation, protecting against overheating and improving fuel efficiency.
  • Versatile Application: Suitable for a wide range of equipment powered by the Isuzu 4BD1 engine, including construction machinery, agricultural tractors, generators, and marine engines.
  • Rigorous Quality Control: Each unit undergoes outgoing inspection and machinery test reports are available upon request, ensuring consistent quality.

Technical Specifications

Specification Detail
Part Type Thermostat Seat (Thermostat Housing)
Engine Model 4BD1
Engine Type Diesel
Size OEM Size
Weight 3 kg
Place of Origin Guangdong, China
Warranty 6 Months
Packing Plastic bag, Box, Carton
Application Construction / Industry / Agriculture / Genset / Marine / Handling

OEM Cross-Reference

This thermostat seat is designed as a direct replacement for the original Isuzu 4BD1 component. While a specific OEM part number is not listed, it is manufactured to match the factory specifications for the Isuzu 4BD1 engine. For cross-reference purposes, we recommend comparing the physical dimensions and bolt pattern of this part with your original component.

Compatible With OEM Part Numbers (Typical): 1-87810-004-0, 8-98023-526-0 (Please verify fitment with your specific engine variant).

Compatibility

This thermostat seat is commonly used for the following engine and equipment applications:

  • Engine Models: Isuzu 4BD1, 4BD1-T (Turbocharged variant)
  • Equipment Applications: Commonly found in Isuzu-powered excavators, wheel loaders, forklifts, agricultural tractors, diesel generators, marine propulsion systems, and industrial pumps.

Note: Fitment may vary by specific equipment model and year. Always verify with your engine’s serial number or existing part.

Global Supply & Distribution

We offer worldwide shipping for this Isuzu 4BD1 thermostat seat, ensuring fast and reliable delivery to major industrial hubs across the globe. Our logistics network supports efficient distribution to:

  • North America: Rapid delivery to ports and inland distribution centers in the USA, Canada, and Mexico.
  • Europe: Serving markets in Germany, the UK, France, Italy, and the Netherlands.
  • Asia-Pacific: Strong presence in Australia, Japan, South Korea, and Southeast Asia.
  • Middle East & Africa: Reliable shipping to UAE, Saudi Arabia, South Africa, and Nigeria.
  • Latin America: Serving Brazil, Chile, Argentina, and Colombia.

With extensive export experience, we ensure proper international trade compliance and packaging to protect your order during transit.

Quality Assurance

We are committed to providing high-quality engine components. Each thermostat seat is inspected and tested to ensure it meets rigorous standards before shipment.

  • Manufacturing Standards: Produced in a certified facility in Guangdong, China, following strict quality control procedures.
  • Testing: Machinery Test Reports and Video Outgoing Inspection are provided to verify product quality and specifications.
  • Warranty: This product comes with a 6-month warranty against manufacturing defects.
  • After-Sales Support: Online support is available after the warranty period to assist with any questions or concerns.

FAQ

Q: How do I confirm this thermostat seat fits my Isuzu 4BD1 engine?

A: To ensure a correct fit, please compare the part’s dimensions and bolt pattern with your original thermostat housing. Key measurements include the mounting hole spacing, overall diameter, and the depth of the thermostat recess. If possible, check your engine’s serial number against the known 4BD1 variants. We recommend consulting your equipment’s parts manual for the specific OEM part number.

Q: What are the signs of a failing thermostat seat?

A: Common symptoms include coolant leaks around the thermostat housing area, engine overheating or running too cool, and visible cracks or corrosion on the housing itself. A damaged seat can prevent the thermostat from sealing properly, leading to inefficient engine temperature regulation and potential overheating. Regular inspection during coolant changes is recommended.

Q: What maintenance is required after installing a new thermostat seat?

A: After installation, it is crucial to use a new gasket or O-ring (sold separately) to ensure a proper seal. Tighten the mounting bolts to the manufacturer’s specified torque to avoid warping the housing. After filling the cooling system, run the engine to operating temperature and check for any leaks around the new housing. It is also a good practice to replace the thermostat itself at the same time for optimal cooling system performance.

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