Make Toyota

4431260010 SHAFT, VANE PUMP

Compatibility

Toyota 4431260010

DescriptionModelOptionsProd PeriodDiagram
FJ,FZJ,HDJ,HJ,HZJ,KZJ,LJ,PZJ,RJ7#FZJ79R-TJMRKATM,MTM: MANUAL TRANSMISSION; Building Condition: COMPLETELY BUILT UNIT; Driver's Position: RIGHT-HAND DRIVE VEHICLES; Body: PICKUP; Grade: STANDARD TYPE; Fuel Induction: ELECTRIC FUEL INJECTION SYSTEM; Gear Shift Type: MTM, 5-SPEED FLOOR SHIFT; Engine: (1FZFE) 4500CC EFI; Destination: FOR GENERAL COUNTRIES(EXCEPT FOR GCC,ARL,SA)08.1999 - 01.2007 View
DescriptionModelOptionsProd PeriodDiagram
FZJ10#,HDJ100,HZJ105,UZJ100FZJ100L-GNPNKVATM,MTM: AUTOMATIC TRANSMISSION; Driver's Position: LEFT-HAND DRIVE VEHICLES; Grade: GX TYPE; Fuel Induction: ELECTRIC FUEL INJECTION SYSTEM; Gear Shift Type: ATM, 4-SPEED FLOOR SHIFT; Engine: (1FZFE) 4500CC EFI; Destination: GULF CORPORATION COUNCIL01.1998 - 08.2007 View
DescriptionModelOptionsProd PeriodDiagram
FJ80,FZJ80,HDJ81,HZJ81FZJ80G-GCMNKATM,MTM: MANUAL TRANSMISSION,5-SPEED FLOOR SHIFT; Grade: GX,GX LIMITED TYPE; Fuel Induction: ELECTRIC FUEL INJECTION SYSTEM; Engine: (1FZFE) 4500CC EFI01.1995 - 01.1998 View

Information

Power Steering Pump Drive Shaft (Vane Pump Type) for Toyota

This precision drive shaft is a key internal part of the vane-style power steering pump. It transfers engine-driven rotation into the pump rotor, allowing the vanes to sweep fluid and build stable hydraulic pressure. When the shaft is straight, hardened, and properly supported, steering feels smooth, light, and predictable—especially during parking and low-speed turns .

Why This Part Is Needed

The pump cannot create consistent oil flow without a strong, true-running shaft. It keeps the rotor centered, maintains correct vane contact, and helps the pump hold pressure under load.

How It Works

The shaft spins with the pulley, driving the rotor inside the pump cam ring. As the rotor turns, vanes slide outward and push fluid through the pump chambers, sending pressurized fluid to the steering gear. Correct shaft fit prevents wobble, reduces friction, and protects seals and bearings.

What Happens If It’s Worn or Broken

  • Heavy steering or sudden loss of assist
  • Whining noise that rises with RPM
  • Metal shavings in fluid, fast pump wear
  • Seal damage leading to leaks and belt slip

Compatible Models

  • Land Cruiser
  • Land Cruiser 100
  • Land Cruiser Van