Search result for: 166200E020

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TENSIONER ASSY V-RI

Part number
166200E020 
Availability
6
Order now
 Dispatch 24h
Make
Made in
Thailand
Compatibility
  • Fortuner/Fortuner (Suv)
  • Grnva/Hiace/Mjsty
  • Hilux (Scb/Xtr)
  • Hilux/Hilux (Double Cab)
  • Innova
206.39$

TENSIONER ASSY V-RI

Part number
166200E020 
Availability
18
Processing
2-3 days
Make
Made in
Thailand
Compatibility
  • Fortuner/Fortuner (Suv)
  • Grnva/Hiace/Mjsty
  • Hilux (Scb/Xtr)
  • Hilux/Hilux (Double Cab)
  • Innova
171.99$

Substitutions

BELT KIT FR SEAT

Part number
0400313235 
Availability
199
Processing
2-3 days
Make
Made in
Japan
67.50$

PULLEY IDLER

Part number
0187KDN145 
Availability
19
Processing
2-3 days
Make
Made in
China
18.59$

BELT TENSIONER

Part number
01901GDETV 
Availability
0
Make
Made in
China
88.56$
Not Available

Essential Belt Regulator for Engine Performance

Why Is This Component Important

This specialized engine accessory ensures your vehicle’s drive belt maintains the correct tension during operation. The part is crucial for smooth power transmission from the crankshaft to vital components like the alternator, water pump, and air conditioning compressor. Without proper belt tension, these systems may not function efficiently, causing disruptions in engine performance and overall vehicle reliability.

How Does It Work

The mechanism operates using a spring-loaded or hydraulic system that automatically adjusts to keep the belt tight as it rotates. As the belt ages and elongates, this part compensates for slack, preserving optimal operational tension. This reduces the risk of slippage, preserves belt life, and ensures steady delivery of power to essential engine accessories.

Risks of a Faulty Tension Mechanism ⚠️

If this part fails, the drive belt may slip, make noise, or jump off its pulleys. This can result in immediate loss of power to critical engine systems, potentially causing overheating, power steering failure, or battery charging issues. Early diagnosis and replacement help avoid costly repairs and roadside breakdowns.