HomeBelts and Cooling > Water Pump and Related ComponentsGates 43525 Engine Water Pump
Part #: 43525

Gates 43525 Engine Water Pump

Water Pump (Standard)
⚙️ 23 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$122.04Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Water Pump (Standard)
🚗Fitment: Toyota, 4Runner, FJ Cruiser, and Tundra
🔄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 Toyota 4Runner, FJ Cruiser, and Tundra

The Gates Water Pump (Standard) part number 43525 is engineered to provide dependable cooling system performance for select Toyota models. Designed with durable materials and precise specifications, this engine water pump supports efficient engine temperature regulation.

  • Housing made from cast aluminum for strength and corrosion resistance
  • Stamped steel impeller designed for durability and efficient coolant flow
  • Reverse impeller rotation to match specific engine requirements
  • Accessory belt drive style for compatibility with Toyota 4Runner, FJ Cruiser, and Tundra
  • Includes water pump, metal gasket, and two o-rings for proper sealing

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line offers quality engine water pumps designed to meet OEM specifications for a range of vehicles. This product line focuses on standard replacement pumps that maintain engine cooling system integrity without additional components such as pulleys or fan clutches. The 43525 model exemplifies this approach by providing a straightforward, reliable water pump solution for Toyota trucks and SUVs.

Product Details and Specifications

This engine water pump features a cast aluminum housing that provides a lightweight yet robust structure resistant to corrosion and heat. The stamped steel impeller is engineered to rotate in reverse, matching the specific coolant flow requirements of Toyota 4Runner, FJ Cruiser, and Tundra engines. The pump is driven by the accessory belt, ensuring compatibility with the vehicle’s existing belt system. Note that this water pump does not include a back housing, thermostat, fan clutch, or pulley, focusing solely on the core pump assembly. Included with the pump are a metal gasket and two o-rings to ensure a secure and leak-free installation.

Common Applications and Problem Resolution

  • Replacement for failing or leaking water pumps in Toyota 4Runner, FJ Cruiser, and Tundra
  • Resolves overheating issues caused by inefficient coolant circulation
  • Addresses coolant leaks due to worn seals or gaskets
  • Restores proper engine temperature regulation for improved performance
  • Prevents engine damage related to cooling system failure

Installation Notes and Tips

When installing the Gates Water Pump (Standard) 43525, ensure the accessory belt is properly tensioned to avoid premature wear. Use the included metal gasket and o-rings to achieve a secure seal and prevent coolant leaks. Since this pump does not include a pulley or fan clutch, reuse the existing components from the original assembly. Verify compatibility with your Toyota 4Runner, FJ Cruiser, or Tundra model year and engine type before installation.

Quality Assurance and Warranty

Gates manufactures the Water Pump (Standard) 43525 to meet strict quality standards, ensuring reliable operation within the vehicle’s cooling system. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.

BrandGates
Part Number43525
PositionWater Pump (Standard)
Housing MaterialCast aluminum
Impeller MaterialStamped steel
Impeller RotationReverse
Includes Back HousingNo
Thermostat And Housing IncludedNo
ContentsWater pump, metal gasket, 2 o-rings
Drive StyleAccessory belt
Fan Clutch IncludedNo
Pulley IncludedNo
Timing Belt DrivenNo

This part fits 23 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2024Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2023Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2022Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2021Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2020Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2019Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2018Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2017Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2016Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2015Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2014Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2014ToyotaFJ Cruiser4.0LV6GASN/AWater Pump (Standard)
2014ToyotaTundra4.0LV6GASN/AWater Pump (Standard)
2013Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2013ToyotaFJ Cruiser4.0LV6GASN/AWater Pump (Standard)
2013ToyotaTundra4.0LV6GASN/AWater Pump (Standard)
2012Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2012ToyotaFJ Cruiser4.0LV6GASN/AWater Pump (Standard)
2012ToyotaTundra4.0LV6GASN/AWater Pump (Standard)
2011Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2011ToyotaFJ Cruiser4.0LV6GASN/AWater Pump (Standard)
2010Toyota4Runner4.0LV6GASN/AWater Pump (Standard)
2010ToyotaFJ Cruiser4.0LV6GASN/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:

1610039545170-406043525943525AW6599CP6599DP1833NP1873

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