Thermostat Housing 8972322410 8972322411 Fits for Isuzu 4JG1 4JG2 Engine for Hitachi ZX75UR ZX70 for John Deere 75C 80C

Thermostat Housing 8972322410 8972322411 – Replacement for Isuzu 4JG1 4JG2 Engine Hitachi ZX75UR ZX70 John Deere 75C 80C

Aftermarket thermostat housing engineered for reliable coolant flow management and consistent engine temperature regulation across Isuzu 4JG1 and 4JG2 engine platforms and a wide range of Hitachi and John Deere excavator applications. Precision-manufactured components ensure drop-in compatibility with correct fitment.

Technical Specifications

• Part Numbers: 8972322410, 8972322411, 8-97232241-0, 8-97232241-1
• Condition: New, aftermarket replacement
• Function: Houses and seals the thermostat in the Isuzu 4JG1 and 4JG2 engine cooling circuit, directing coolant flow between the engine and radiator to maintain optimal operating temperature and prevent overheating or overcooling

Equipment Compatibility

Note: Compatibility is provided for reference. Please verify against your part number before ordering.

Fits the Following Applications:

• Isuzu Engine: 4JG1, 4JG2
• Hitachi Excavator: EX75UR-5, EX75URT-5, EX75US-5, HR750SM, HX180B, ZR240JC, ZR600TS, ZR800TS, ZX60-HCMC, ZX70, ZX70-HCME, ZX70-HHE, ZX75UR, ZX75URT, ZX75US, ZX75US-A, ZX80LCK, ZX80SB, ZX80SB-HCME, ZX85US-HCME, ZAXIS70, ZAXIS70LC, ZAXIS75US, ZAXIS80, ZAXIS80LCK
• John Deere Excavator: 75C, 80C

Why Choose This Thermostat Housing

The thermostat housing is a critical cooling system component in Isuzu 4JG1 and 4JG2 engine applications — it maintains a sealed, leak-free connection between the thermostat, coolant passages, and radiator hose to ensure proper coolant circulation and stable engine operating temperature under continuous heavy equipment duty cycles. A cracked, warped, or leaking thermostat housing causes coolant loss, overheating, and potential engine damage that results in costly repairs and unplanned downtime on the job site. This replacement unit delivers:

• Reliable coolant sealing – Engineered to meet the dimensional, port, and fitment specifications of Isuzu 4JG1 and 4JG2 engine cooling systems in Hitachi and John Deere excavator applications
• Exact-fit installation – Direct replacement designed for drop-in compatibility without modification across all listed Hitachi and John Deere excavator models
• Durable construction – Built to withstand thermal cycling, coolant exposure, and the demanding duty requirements of compact and mid-size excavator operation
• Cost-effective solution – Aftermarket quality at a fraction of dealer pricing

Package Contents

• 1 × Thermostat Housing 8972322410

Essential for Isuzu 4JG1 and 4JG2 engine maintenance and thermostat housing replacement across Hitachi ZX75UR, ZX70, and John Deere 75C and 80C excavator applications. Keep your equipment delivering full performance and uninterrupted operation on every job site.