166-4376 [SEAL GP]

Caterpillar Part No. 166-4376 [SEAL GP] is a seal group for water pump systems used in heavy CAT engines and industrial equipment.

Part Details

• Part Number: 166-4376
• Part Name: SEAL GP (Water Pump Seal Group)
• Brand: Caterpillar
• Status: Discontinued by CAT (replacement options may be available)

Function

This seal group is designed to:

• Prevent coolant leakage
• Maintain proper water pump pressure
• Protect the engine cooling system
• Improve pump durability and engine reliability