HomeBelts and Cooling > Water Pump and Related ComponentsGates 42577 Engine Water Pump
Part #: 42577

Gates 42577 Engine Water Pump

Water Pump (Standard)
⚙️ 3 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Water Pump (Standard)
🚗Fitment: Mitsubishi, Lancer
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Reliable Water Pump Replacement for Mitsubishi Lancer

The Gates Water Pump (Standard) part number 42577 is designed specifically for Mitsubishi Lancer models. Engineered with durable materials, this engine water pump ensures efficient coolant circulation to maintain optimal engine temperature and performance.

  • Housing made from cast aluminum for strength and corrosion resistance
  • Stamped steel impeller with standard rotation for consistent coolant flow
  • Includes water pump and gasket for proper sealing
  • Single outlet design compatible with accessory belt drive style
  • Does not include back housing, thermostat, fan clutch, or pulley

Product Line Details: Gates Water Pump (Standard)

The Gates Water Pump (Standard) line focuses on providing dependable engine water pumps that meet OEM specifications. This product line emphasizes quality materials such as cast aluminum housings and stamped steel impellers to deliver reliable cooling system performance. The 42577 water pump is part of this line, offering a balance of durability and compatibility for Mitsubishi Lancer vehicles requiring a standard rotation impeller and accessory belt drive.

Technical Description and Features

This engine water pump features a cast aluminum housing that offers lightweight durability and resistance to corrosion, essential for long-term operation in the cooling system. The stamped steel impeller is designed with a standard rotation to match the Mitsubishi Lancer’s engine requirements, ensuring proper coolant flow. The pump includes a gasket to provide a secure seal during installation. It is designed with a single outlet and driven by the accessory belt, making it suitable for specific Lancer engine configurations. Note that this water pump does not include the back housing, thermostat, fan clutch, or pulley components.

Common Applications and Problem Resolution

  • Replacement for failing or leaking water pumps in Mitsubishi Lancer cooling systems
  • Resolves overheating issues caused by inefficient coolant circulation
  • Addresses coolant leaks due to worn or damaged pump housing or seals
  • Prevents engine damage from inadequate cooling performance
  • Restores proper accessory belt-driven water pump function

Installation Notes and Tips

When installing the Gates Water Pump (Standard) 42577 on a Mitsubishi Lancer, ensure the gasket is properly seated to prevent leaks. Verify the accessory belt is in good condition and correctly tensioned to maintain pump drive efficiency. Since this pump does not include a pulley or fan clutch, reuse existing components or replace separately if needed. Follow manufacturer torque specifications for mounting bolts to avoid damage to the cast aluminum housing.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet or exceed OEM standards for fit, form, and function. The Water Pump (Standard) line undergoes rigorous quality control to ensure durability and reliable performance in Mitsubishi Lancer vehicles. While specific warranty details are not provided here, Gates typically offers limited warranties covering defects in materials and workmanship. Refer to official Gates documentation for exact warranty terms.

BrandGates
Part Number42577
PositionWater Pump (Standard)
Housing MaterialCast aluminum
Impeller MaterialStamped steel
Impeller RotationStandard
Includes Back HousingNo
Outlet Quantity1
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
2005MitsubishiLancer2.0LL4GASN/AWater Pump (Standard)
2004MitsubishiLancer2.0LL4GASN/AWater Pump (Standard)
2003MitsubishiLancer2.0LL4GASN/AWater 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:

1300A065131-2381148-20002089642577942577AW6159BWP-2143CP6159DP1930MD979313T2246WP-2143

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