HomeBelts and Cooling > Water Pump and Related ComponentsGates 42318HD Engine Water Pump
Part #: 42318HD

Gates 42318HD Engine Water Pump

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Reliable Cooling with Gates Water Pump 42318HD

The Gates Water Pump (Heavy-Duty) 42318HD is engineered to provide dependable engine cooling performance. Designed with durable materials and precise construction, this engine water pump supports efficient coolant circulation for various vehicle applications.

  • Cast iron housing for enhanced strength and durability
  • Stamped steel impeller with standard rotation for consistent coolant flow
  • Includes water pump, bushing, and o-ring for proper sealing
  • Accessory belt drive style for compatibility with common engine setups
  • Two outlet ports to support specific cooling system configurations

Heavy-Duty Water Pump Product Line Overview

The Gates Water Pump (Heavy-Duty) product line focuses on robust construction and reliable performance under demanding conditions. This line is designed to meet the needs of vehicles requiring enhanced durability in their cooling components. The 42318HD model exemplifies this with its cast iron housing and stamped steel impeller, providing a solid solution for engine cooling needs without including additional components like pulleys or fan clutches.

Technical Details and Construction

The 42318HD water pump features a cast iron housing that offers resistance to wear and heat, making it suitable for heavy-duty applications. The stamped steel impeller rotates in the standard direction to maintain proper coolant flow through the engine. This model does not include a back housing, thermostat, or pulley, focusing solely on the core water pump components. It is driven by an accessory belt rather than a timing belt, which is important for compatibility with certain vehicle makes and models.

Common Applications and Problem Solving

  • Replacement for failing or leaking water pumps in compatible vehicles
  • Addresses overheating issues caused by inefficient coolant circulation
  • Solves coolant leaks due to worn seals or damaged pump housing
  • Restores proper engine temperature regulation for improved performance
  • Suitable for vehicles requiring a heavy-duty water pump with cast iron construction

Installation Notes and Tips

When installing the Gates 42318HD water pump, ensure the accessory belt drive style matches your vehicle’s configuration. Properly inspect and replace the bushing and o-ring included with the pump to prevent leaks. Since this pump does not include a pulley or fan clutch, verify that existing components are in good condition or replaced separately as needed. Follow manufacturer torque specifications for mounting bolts to avoid damage to the cast iron housing.

Quality Assurance and Warranty

Gates maintains strict quality control standards for the Water Pump (Heavy-Duty) line, including the 42318HD model. Each pump undergoes rigorous testing to ensure durability and performance under heavy-duty conditions. While specific warranty details vary by distributor, Gates typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.

BrandGates
Part Number42318HD
Housing MaterialCast iron
Impeller MaterialStamped steel
Impeller RotationStandard
Includes Back HousingNo
Outlet Quantity2
Thermostat And Housing IncludedNo
ContentsWater pump, bushing, o-ring
Drive StyleAccessory belt
Fan Clutch IncludedNo
Pulley IncludedNo
Timing Belt DrivenNo

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

138-471318-50611817687C921817687C931817687C941817687C951817687C961817687C971817687C981821935C11821935C31821935C41830606C931830606C941830606C952-HD6315201472313240072252-7924231842318HD51-165355-371363137313X942318HD99147AW3713BWP-HD6315CP3713DP1348FP2390PWPHD6315RW1310US3713WP-HD6315

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.