1353031011 Toyota SPROCKET ASSY, IDLE, Price: 13.52$, Weight: 0.157kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
1353031011 |
SPROCKET ASSY, IDLE |
0 |
0.157 |
|
13.52$ |
| Not Available | ||||||
Originals
Engine Timing Idler Gear for Toyota Chain-Drive Motors
This precision steel idler gear keeps the timing chain ⛓️ on the correct path, so crankshaft and camshafts stay perfectly synchronized. Built to OE-spec hardness and tooth profile, it reduces chain whip, spreads load, and helps maintain quiet, accurate valve timing for long engine life.
Why this part is needed
It guides the chain between drive and driven sprockets, stabilizing alignment and assisting the tensioner. Without a healthy idler, chain tracking suffers, wear accelerates, and timing can drift—hurting power, economy, and reliability.
How it works
Mounted on a fixed post inside the timing cover, the gear meshes with the chain using a matched pitch. Engine oil lubricates its bushing/bearing and teeth. As the crank turns, the chain rides over the idler smoothly, keeping cam timing precise under load and temperature changes.
What happens if it fails ⚠️
Rattle at start-up, metallic glitter in oil, poor idle, misfires, and a check engine light are common. Severe wear, seized rotation, or broken teeth can make the chain jump, causing no-start, backfire, and on some engines, internal damage. Replace together with chain, guides, and tensioner for a lasting fix ✅.
Compatibility
- 4Runner
- Fj Cruiser
- Fortuner
- Fortuner (Suv)
- Hilux
- Hilux (Double Cab)
- Hilux Surf
- Land Cruiser
- Land Cruiser Prado
- Tacoma