HomeBelts and Cooling > Water Pump and Related ComponentsGates 43538 Engine Water Pump - Main
Part #: 43538

Gates 43538 Engine Water Pump - Main

Water Pump (Standard), Main
⚙️ 92 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Water Pump (Standard), Main
🚗Fitment: Lexus and Toyota, Avalon, Camry, ES350, Highlander, RAV4, RX350, RX450h, Sienna, and Venza
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Reliable Cooling with Gates Water Pump 43538

The Gates Water Pump (Standard) 43538 is engineered to maintain optimal engine temperature for select Lexus and Toyota vehicles. Designed with durable materials and precise specifications, this engine water pump supports efficient coolant circulation to protect your engine from overheating.

Key Features of Gates Water Pump 43538

  • Housing made from cast aluminum for strength and heat resistance
  • Stamped steel impeller designed for reverse rotation
  • Includes water pump and shroud/back plate for proper fitment
  • Accessory belt drive style for smooth operation
  • Compatible with Lexus and Toyota models including Avalon, Camry, ES350, Highlander, RAV4, RX350, RX450h, Sienna, and Venza

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line offers reliable engine water pumps designed to meet OEM specifications for a range of vehicles. This product line focuses on delivering durable components with quality materials such as cast aluminum housings and stamped steel impellers. The 43538 model exemplifies this approach by providing a robust cooling solution without additional components like thermostats or pulleys, ensuring compatibility and ease of replacement.

Detailed Product Description

The Gates 43538 engine water pump features a cast aluminum housing that provides excellent durability and resistance to corrosion. Its stamped steel impeller is engineered to rotate in reverse, matching the specific coolant flow requirements of compatible Lexus and Toyota engines. This water pump is driven by the accessory belt, eliminating the need for timing belt integration. The package includes the water pump and a shroud/back plate but does not include a thermostat, housing, pulley, or fan clutch. This design ensures straightforward replacement for vehicles such as the Toyota Camry and Lexus RX350, maintaining proper engine cooling and performance.

Common Issues Addressed by This Water Pump

  • Engine overheating due to coolant circulation failure
  • Coolant leaks from worn or damaged water pump housing
  • Reduced engine efficiency caused by impeller wear
  • Noise or vibration from failing water pump bearings
  • Preventative maintenance for aging cooling system components

Installation Notes and Tips

When installing the Gates Water Pump 43538, ensure the accessory belt is properly tensioned to avoid slippage. Since this pump does not include a pulley or thermostat, verify those components separately for compatibility and condition. Use appropriate gasket sealants if required and follow vehicle-specific torque specifications for mounting bolts. It is recommended to flush the cooling system before installation to remove debris and contaminants.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet or exceed OEM standards, using high-quality materials such as cast aluminum and stamped steel. While specific warranty details for part number 43538 should be confirmed at the point of purchase, Gates typically offers limited warranties covering defects in material and workmanship to ensure reliability and customer confidence.

BrandGates
Part Number43538
PositionWater Pump (Standard), Main
Housing MaterialCast aluminum
Impeller MaterialStamped steel
Impeller RotationReverse
Includes Back HousingNo
Thermostat And Housing IncludedNo
ContentsWater pump, shroud/back plate
Drive StyleAccessory belt
Fan Clutch IncludedNo
Pulley IncludedNo
Timing Belt DrivenNo

This part fits 92 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2018LexusES3503.5LV6GASN/AWater Pump (Standard)
2018ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2017LexusES3503.5LV6GASN/AWater Pump (Standard)
2017ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2017ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2016LexusES3503.5LV6GASN/AWater Pump (Standard)
2016ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2016ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2016ToyotaHighlander3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2016ToyotaHighlander3.5LV6GASN/AWater Pump (Standard)
2016ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2016ToyotaVenza3.5LV6GASN/AWater Pump (Standard)
2015LexusES3503.5LV6GASN/AWater Pump (Standard)
2015LexusRX3503.5LV6GASN/AWater Pump (Standard)
2015LexusRX450h3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2015ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2015ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2015ToyotaHighlander3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2015ToyotaHighlander3.5LV6GASN/AWater Pump (Standard)
2015ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2015ToyotaVenza3.5LV6GASN/AWater Pump (Standard)
2014LexusES3503.5LV6GASN/AWater Pump (Standard)
2014LexusRX3503.5LV6GASN/AWater Pump (Standard)
2014LexusRX450h3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2014ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2014ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2014ToyotaHighlander3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2014ToyotaHighlander3.5LV6GASN/AWater Pump (Standard)
2014ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2014ToyotaVenza3.5LV6GASN/AWater Pump (Standard)
2013LexusES3503.5LV6GASN/AWater Pump (Standard)
2013LexusRX3503.5LV6GASN/AWater Pump (Standard)
2013LexusRX450h3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2013ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2013ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2013ToyotaHighlander3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2013ToyotaHighlander3.5LV6GASN/AWater Pump (Standard)
2013ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2013ToyotaVenza3.5LV6GASN/AWater Pump (Standard)
2012LexusES3503.5LV6GASN/AWater Pump (Standard)
2012LexusRX3503.5LV6GASN/AWater Pump (Standard)
2012LexusRX450h3.5LV6ELECTRIC/GASMainWater Pump (Standard)
2012ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2012ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2012ToyotaHighlander3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2012ToyotaHighlander3.5LV6GASN/AWater Pump (Standard)
2012ToyotaRAV43.5LV6GASN/AWater Pump (Standard)
2012ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2012ToyotaVenza3.5LV6GASN/AWater Pump (Standard)
2011LexusES3503.5LV6GASN/AWater Pump (Standard)
2011LexusRX3503.5LV6GASN/AWater Pump (Standard)
2011LexusRX450h3.5LV6ELECTRIC/GASMainWater Pump (Standard)
2011ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2011ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2011ToyotaHighlander3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2011ToyotaHighlander3.5LV6GASN/AWater Pump (Standard)
2011ToyotaRAV43.5LV6GASN/AWater Pump (Standard)
2011ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2011ToyotaVenza3.5LV6GASN/AWater Pump (Standard)
2010LexusES3503.5LV6GASN/AWater Pump (Standard)
2010LexusRX3503.5LV6GASN/AWater Pump (Standard)
2010LexusRX450h3.5LV6ELECTRIC/GASN/AWater Pump (Standard)
2010ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2010ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2010ToyotaHighlander3.5LV6GASN/AWater Pump (Standard)
2010ToyotaRAV43.5LV6GASN/AWater Pump (Standard)
2010ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2010ToyotaVenza3.5LV6GASN/AWater Pump (Standard)
2009LexusES3503.5LV6GASN/AWater Pump (Standard)
2009LexusRX3503.5LV6GASN/AWater Pump (Standard)
2009ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2009ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2009ToyotaHighlander3.5LV6GASN/AWater Pump (Standard)
2009ToyotaRAV43.5LV6GASN/AWater Pump (Standard)
2009ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2009ToyotaVenza3.5LV6GASN/AWater Pump (Standard)
2008LexusES3503.5LV6GASN/AWater Pump (Standard)
2008LexusRX3503.5LV6GASN/AWater Pump (Standard)
2008ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2008ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2008ToyotaHighlander3.5LV6GASN/AWater Pump (Standard)
2008ToyotaRAV43.5LV6GASN/AWater Pump (Standard)
2008ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2007LexusES3503.5LV6GASN/AWater Pump (Standard)
2007LexusRX3503.5LV6GASN/AWater Pump (Standard)
2007ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2007ToyotaCamry3.5LV6GASN/AWater Pump (Standard)
2007ToyotaRAV43.5LV6GASN/AWater Pump (Standard)
2007ToyotaSienna3.5LV6GASN/AWater Pump (Standard)
2006ToyotaAvalon3.5LV6GASN/AWater Pump (Standard)
2006ToyotaRAV43.5LV6GASN/AWater Pump (Standard)
2005ToyotaAvalon3.5LV6GASN/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:

131-231616100094401610009441161000944216100394551610039456170-737018-194020350252-9023-20644353851-2380571671943538AW6047CP6047CWP-2064DP992NP1896PWP43165QPW79T3130WP-2064WPT803

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