Upgrade your heavy-duty diesel cooling system with this International/Navistar DT466 water pump, OEM Part Number 735327C91, featuring the 677856 casting identification and a durable cast-iron housing with a robust metal impeller and bolt-on hub design. This quality replacement pump is engineered for reliable coolant circulation and long-lasting performance in demanding commercial and medium-/heavy-duty diesel applications, and the gasket is included for added convenience. An excellent choice for repair, restoration, fleet maintenance, or keeping a hard-to-find replacement on hand, this pump is associated with International/Navistar DT466 and DT360 engine applications and cross-referenced with numbers including 685155C91, 685155C92, 685155C94, 685155C95, 749286, and 5011273. Please carefully verify the part number, casting number, mounting configuration, and photos against your existing pump before purchasing to ensure proper fitment.
Specifications:
- Brand: International
- OEM Part Number: 735327C91
- Casting / Housing Number: 677856
- Engine: International DT466 7.6L Diesel
- Related Engine: DT360 5.9L Diesel on compatible configurations
- Drive Type: Belt driven
- Rotation: Standard / right-hand shaft configuration
- Housing Material: Cast iron
- Impeller: Metal / cast iron
- Hub: Bolt-on hub
- Pulley: Not included
- Bolts: Not included
Applications:
- International / Navistar DT466 7.6L
- DT466A, DT466B and compatible DT466C mechanical engines
- DT466 engines generally up to 1993, depending on serial number and configuration
- International S-Series trucks
- International Paystar applications
- International 1452
- International 1624
- International 1654
- International 1723 / 1724
- International 1753 / 1754
- International 1853 / 1854
- International 1924 / 1925
- International 1954 / 1955
- International 2125 / 2155
- International F2554
- DT360 5.9L applications where the 735327C91-style pump and bolt-on hub are specified.


















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