Dorman 902-5812 Engine Auxiliary Water Pump

Brand Dorman 902-5812
Material Plastic
Material Plástico, goma
Material Rubber
Color Black
Color Negro
Color Noir
Pulley Included No
Pulley Included Non
Mounting Hardware Included No
Mounting Hardware Included Non
Gasket Or Seal Included No
Gasket Or Seal Included Non
Mounting Hole Quantity 3
Outlet Pipe Diameter 18.7
Inlet Pipe Diameter 18.7
Rotation Clockwise
Rotation En sentido horario
Depth 2
Mounting Hole Diameter 6.8
Mounting Bracket Included No
Mounting Bracket Included Non
Contenidos del paquete Bomba de agua auxiliar
Package Contents 1 auxiliary water pump
Fits Lexus, Scion, and Toyota · 37 vehicles

OE-style fit and function. Matches the original pump on specified applications.

Plastic and rubber construction. Built for reliable performance and durability.

Auxiliary water pump. Supports cooling system circulation with a compact design.

Cross-references Dayco 89051, Gates 41555E and SKP SK41555E for the same application. See all 8.

$139.55Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $139.55
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Auxiliary Water Pump for Toyota and Lexus

Dorman 902-5812 is an engine auxiliary water pump built to match the fit and function of the original pump on specified applications. It is designed for reliable performance and durability in cooling-system service, with direct-fit dimensions for select Toyota, Lexus, and Scion models.

  • Plastic and rubber construction
  • Black finish
  • Clockwise rotation
  • Inlet pipe diameter: 18.7 mm
  • Outlet pipe diameter: 18.7 mm
  • 3 mounting holes
  • Mounting hole diameter: 6.8 mm
  • Depth: 2 in.
  • No pulley included
  • No gasket or seal included
  • No mounting hardware included

Fitment and Application Details

Compatible With select hybrid cooling-system applications, including Fits 2012-2018 Toyota Prius C, N/A; Fits 2013-2018 Toyota Prius V, N/A; Fits 2013-2017 Lexus CT200h, N/A; Fits 2017 Toyota Highlander, N/A, To 11/16; Fits 2014-2016 Toyota Highlander, N/A; Fits 2013-2015 Lexus RX450h, N/A; Fits 2013-2015 Toyota Prius, N/A; Fits 2012-2015 Toyota Prius Plug-In, N/A; Fits 2013 Scion iQ, N/A; Fits 2013 Toyota Highlander, N/A, From 10/12; Fits 2012 Lexus RX450h, N/A, From 3/12; Fits 2012 Toyota Prius, N/A, From 12/11; and Fits 2012 Toyota Prius V, N/A, From 12/11. Dorman 902-5812 is a direct replacement for the original auxiliary pump used in these applications.

What This Pump Helps Address

  • Auxiliary coolant circulation concerns in hybrid cooling systems
  • Noise or irregular operation from a worn electric water pump
  • Leakage at the pump body or hose connections
  • Fitment issues when replacing the original auxiliary pump
  • Cooling-system service on Toyota Prius, Prius V, Prius C, Highlander, Lexus CT200h, and RX450h models

Installation Notes and Tips

Verify inlet and outlet hose diameter, mounting-hole spacing, and clockwise rotation before installation. Because no gasket or seal is included, inspect the existing sealing components and replace them if needed. Confirm vehicle build date for Highlander and Prius applications with date-specific notes. Dorman 902-5812 should be installed on the correct application listed above to maintain proper cooling-system routing.

Quality Assurance

This auxiliary water pump is engineered to match original fit and function on the listed vehicles and is built for dependable service in the cooling system. This part cross-references Gates 41555E and Dayco 89051 for the same application.

This part fits 37 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypeNotes
2018ToyotaPrius C1.5LL4FULL HYBRID EV-GAS (FHEV)
2018ToyotaPrius V1.8LL4FULL HYBRID EV-GAS (FHEV)
2017LexusCT200h1.8LL4FULL HYBRID EV-GAS (FHEV)
2017ToyotaHighlander3.5LV6FULL HYBRID EV-GAS (FHEV)To 11/16
2017ToyotaPrius C1.5LL4FULL HYBRID EV-GAS (FHEV)
2017ToyotaPrius V1.8LL4FULL HYBRID EV-GAS (FHEV)
2016LexusCT200h1.8LL4FULL HYBRID EV-GAS (FHEV)
2016ToyotaHighlander3.5LV6FULL HYBRID EV-GAS (FHEV)
2016ToyotaPrius C1.5LL4FULL HYBRID EV-GAS (FHEV)
2016ToyotaPrius V1.8LL4FULL HYBRID EV-GAS (FHEV)
2015LexusCT200h1.8LL4FULL HYBRID EV-GAS (FHEV)
2015LexusRX450h3.5LV6FULL HYBRID EV-GAS (FHEV)
2015ToyotaHighlander3.5LV6FULL HYBRID EV-GAS (FHEV)
2015ToyotaPrius1.8LL4FULL HYBRID EV-GAS (FHEV)
2015ToyotaPrius C1.5LL4FULL HYBRID EV-GAS (FHEV)
2015ToyotaPrius Plug-In1.8LL4FULL HYBRID EV-GAS (FHEV)
2015ToyotaPrius V1.8LL4FULL HYBRID EV-GAS (FHEV)
2014LexusCT200h1.8LL4FULL HYBRID EV-GAS (FHEV)
2014LexusRX450h3.5LV6FULL HYBRID EV-GAS (FHEV)
2014ToyotaHighlander3.5LV6FULL HYBRID EV-GAS (FHEV)
2014ToyotaPrius1.8LL4FULL HYBRID EV-GAS (FHEV)
2014ToyotaPrius C1.5LL4FULL HYBRID EV-GAS (FHEV)
2014ToyotaPrius Plug-In1.8LL4FULL HYBRID EV-GAS (FHEV)
2014ToyotaPrius V1.8LL4FULL HYBRID EV-GAS (FHEV)
2013LexusCT200h1.8LL4FULL HYBRID EV-GAS (FHEV)
2013LexusRX450h3.5LV6FULL HYBRID EV-GAS (FHEV)
2013ScioniQEVBATTERY EV (EV/BEV)
2013ToyotaHighlander3.5LV6FULL HYBRID EV-GAS (FHEV)From 10/12
2013ToyotaPrius1.8LL4FULL HYBRID EV-GAS (FHEV)
2013ToyotaPrius C1.5LL4FULL HYBRID EV-GAS (FHEV)
2013ToyotaPrius Plug-In1.8LL4FULL HYBRID EV-GAS (FHEV)
2013ToyotaPrius V1.8LL4FULL HYBRID EV-GAS (FHEV)
2012LexusRX450h3.5LV6FULL HYBRID EV-GAS (FHEV)From 3/12
2012ToyotaPrius1.8LL4FULL HYBRID EV-GAS (FHEV)From 12/11
2012ToyotaPrius C1.5LL4FULL HYBRID EV-GAS (FHEV)
2012ToyotaPrius Plug-In1.8LL4FULL HYBRID EV-GAS (FHEV)
2012ToyotaPrius V1.8LL4FULL HYBRID EV-GAS (FHEV)From 12/11
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dayco — 89051Gates — 41555ESKP — SK41555EStandard Ignition — CPI10013124931704180G904052010WQT001