8544060170 Toyota SOLENOID ASSY, FOUR WHEEL DRIVE CONTROL, Price: 313.18$, Weight: 0.214kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
8544060170 |
SOLENOID ASSY, FOUR WHEEL DRIVE CONTROL |
0 |
0.214 |
2-3 |
313.18$ |
| Not Available | ||||||
Compatibility
| Description | Model | Options | Prod Period | Diagram |
|---|---|---|---|---|
| FJ,FZJ,HDJ,HJ,HZJ,KZJ,LJ,PZJ,RJ7# | PZJ75LV-KR | ATM,MTM: MANUAL TRANSMISSION; Building Condition: COMPLETELY BUILT UNIT; Driver's Position: LEFT-HAND DRIVE VEHICLES; Body: HARDTOP(HARDTOP OR FRP TOP); Grade: STANDARD TYPE; Fuel Induction: DIESEL; Gear Shift Type: MTM, 4-SPEED FLOOR SHIFT; Engine: (1PZ) 3500CC DIESEL; Destination: FOR GENERAL COUNTRIES(EXCEPT FOR GCC,ARL,SA) | 01.1990 - 01.1994 | View |
4WD Control Solenoid Valve for Toyota Drivetrain
This small but vital valve manages vacuum/air to the axle actuator and transfer case, letting your SUV switch cleanly between 2H, 4H, and 4L. A healthy unit delivers fast engagement, stable traction, and reduced driveline wear. It’s built to resist heat, moisture, and road salt for dependable off‑road and highway use.
Why you need it
It enables on‑demand four‑wheel drive, prevents gear shock and axle wind‑up, lowers fuel use in 2WD by disconnecting the front axle, and keeps the 4WD indicator accurate during every shift.
How it works
The ECU sends 12V to the coil; a magnetic field moves a plunger and internal spool. That action switches vacuum/pressure between ports, driving the diaphragm actuator that locks/unlocks the front axle or engages the transfer clutch. A return spring resets the valve when power is off. Seals and filters keep dust and water out.
What happens if it fails ⚠️
4WD may not engage, or stays stuck on. You may see a flashing 4WD light, delayed shifts, binding in turns, clunks, tire scrub, or no low range. Vacuum hiss and brittle hoses can appear. Prolonged use can damage hubs or the transfer case and raise fuel consumption.
Tech tips ✅
Verify power/ground, listen for a click, check vacuum at the ports, renew O‑rings and hoses, mount correctly, clear codes, and road‑test on loose gravel.
Compatibility
- Land Cruiser