HomeBelts and Cooling > Water Pump and Related ComponentsGates 42138 Engine Water Pump
Part #: 42138

Gates 42138 Engine Water Pump

Water Pump (Standard)
3 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Water Pump (Standard)
Fitment: Mazda, MPV
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Water Pump Replacement for Mazda MPV

The Gates Water Pump (Standard) part number 42138 is designed specifically for Mazda MPV models, providing dependable engine cooling performance. Engineered with durable materials, this water pump ensures consistent coolant flow to maintain optimal engine temperature.

Key Features of Gates Water Pump 42138

  • Housing made from cast aluminum for lightweight strength and corrosion resistance
  • Cast iron impeller designed for durability and efficient coolant circulation
  • Standard impeller rotation compatible with Mazda MPV engine requirements
  • Includes water pump and gasket for proper sealing
  • Accessory belt drive style for straightforward installation
  • Does not include back housing, thermostat, fan clutch, or pulley
  • Not timing belt driven, designed for accessory belt operation

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line focuses on providing reliable, OEM-quality water pumps that meet factory specifications. This product line emphasizes durable materials and precise engineering to ensure proper fit and function in specific vehicle applications, such as the Mazda MPV. The 42138 model exemplifies this approach by combining cast aluminum housing with a cast iron impeller for long-lasting performance.

Detailed Product Description

This engine water pump is engineered to maintain the cooling system efficiency of your Mazda MPV. The cast aluminum housing offers a balance of strength and corrosion resistance, while the cast iron impeller provides robust coolant flow management. Designed for accessory belt drive systems, this water pump does not require timing belt integration, simplifying compatibility with the Mazda MPV's engine setup. The package includes the water pump and a gasket to ensure a secure seal during installation.

Common Issues Addressed by This Water Pump

  • Overheating caused by coolant circulation failure
  • Coolant leaks due to worn or damaged water pump seals
  • Engine temperature fluctuations from impeller wear
  • Noise or vibration from failing water pump bearings
  • Reduced engine performance linked to inefficient cooling

Installation Notes and Tips

When installing the Gates Water Pump 42138 on a Mazda MPV, ensure the accessory belt is properly tensioned to avoid premature wear. Replace the gasket included in the package to prevent coolant leaks. Since this pump does not include a pulley or fan clutch, reuse the existing components unless they show signs of damage. Verify the impeller rotation matches the engine’s requirements before installation.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet strict quality standards, ensuring reliable operation and durability. While specific warranty details for part number 42138 are not provided here, Gates typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandGates
Part Number42138
PositionWater Pump (Standard)
Housing MaterialCast aluminum
Impeller MaterialCast iron
Impeller RotationStandard
Includes Back HousingNo
Thermostat And Housing IncludedNo
ContentsWater pump, gasket
Drive StyleAccessory belt
Fan Clutch IncludedNo
Pulley IncludedNo
Timing Belt DrivenNo

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1998MazdaMPV3.0LV6GASN/AW/19mm Shaft; Water Pump (Standard)
1997MazdaMPV3.0LV6GASN/AW/19mm Shaft; Water Pump (Standard)
1996MazdaMPV3.0LV6GASN/AW/19mm Shaft; Water Pump (Standard)

* 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:

131-2212145-148018-15972-916520773252-7894213851-214555-939455731375715438AC4-15-0108AL4150108AL415010A94213897199AW9394BWP-9165CP9394DP689GWMZ-48AJE9615010BJE9615010RMBPWP9165T4040US9394WP-9165

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