Genuine Toyota Idle Gear Shaft 13581-17012 1358117012 For Land Cruiser HZJ79/HDJ101 & COASTER HZB50 1HZ 1HD-FTE — OEM SHAFT, IDLE GEAR, NO.1
| OEM Part Number: | 13581-17012 / 1358117012 | Part Name: | SHAFT, IDLE GEAR, NO.1 / Idle Gear Shaft |
| Engine Compatibility: | 1HZ, 1HD-T, 1HD-FT, 1HD-FTE | Vehicle Models: | Toyota Land Cruiser (70/100 Series), Toyota COASTER |
| Chassis Compatibility: | HZJ79, HDJ101, HZB50 | Material: | High-Grade Heat-Treated Steel |
| Condition: | Brand New — 100% Quality Inspected | Warranty: | 12 Months |
| High Light: | Toyota idle gear shaft OEM,Land Cruiser idle gear replacement,Coaster HZB50 gear shaft |
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The Idle Gear Shaft (SHAFT, IDLE GEAR, NO.1) with Genuine Toyota OEM number 13581-17012 (also listed as 1358117012) is a verified direct-fit replacement for Toyota off-road and commercial vehicles including Land Cruiser 70/100 Series and Coaster buses.
If your idle gear shaft is failing, you may experience:
- Engine Timing Noise: Unusual whining, rattling, or clattering from engine front
- Engine Misfire or Rough Running: Uneven operation, misfires, or power loss
- Difficulty Starting: Extended cranking or no-start conditions
- Metal Shavings in Oil: Visible metallic particles indicating severe wear
- Catastrophic Engine Failure: Timing jump and severe internal damage
| Brand | Model | Chassis / Series | Engine | Years / Notes |
|---|---|---|---|---|
| Toyota | Land Cruiser 70 | HZJ79 | 1HZ 4.2L Diesel | 1999-2007 |
| Toyota | Land Cruiser 100 | HDJ101K-2 | 1HD-FTE 4.2L TD-2 | 2002 |
| Toyota | COASTER | HZB50-3 | 1HZ 4.2L Diesel-3 | 1993-2016 |
| Feature | Benefit + Verification Signal |
|---|---|
| Genuine Toyota OEM Specification | Guarantees factory-fit quality and performance |
| Precision-Engineered for Timing Systems | Ensures precise synchronization for optimal engine performance |
| High-Grade Heat-Treated Steel Construction | Provides exceptional wear resistance and durability |
| Broad Compatibility | Fits multiple Land Cruiser and COASTER models |
| Genuine OEM Quality | Manufactured to Toyota's stringent quality standards |
| Direct Replacement Fitment | No modifications required |
| 100% New – No Core Charge | Guarantees zero wear and full service life |
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision machining to Toyota OE blueprint specifications |
| Material Composition | High-grade heat-treated steel analysis |
| Surface Hardness | Heat treatment verification for long-term durability |
| Dimensional Inspection | 100% inspection of critical dimensions |
| Final Assembly Inspection | 100% visual and dimensional inspection |
Replacement requires specialized tools and expert knowledge of Toyota diesel engine timing systems.
- Typically replaced during timing gear service or engine rebuilds
- Inspect idler gear and related timing components for wear
- Ensure proper engine timing after installation
- Use new seals and gaskets during reassembly
- Support engine properly and remove timing cover
- Remove old shaft and inspect mounting bore
- Clean mounting surface and bore thoroughly
- CRITICAL: Install new shaft with correct orientation
- Torque retaining bolt to manufacturer's specifications
- Install idler gear and verify smooth rotation
- CRITICAL: Set engine timing correctly before reassembly
- Reassemble timing cover and components
- Start engine and check for unusual noises
| Part Number | 13581-17012, 1358117012 |
| Product Name | Idle Gear Shaft |
| Car Model | Land Cruiser HZJ79/HDJ101 & COASTER |
| Engine Model | 1HZ, 1HD-FTE |
| Condition | 100% Brand New |
| Origin | China Mainland |
| Main Market | Middle East, Asia, Africa, South America, North America & Europe |
| Material | High-strength aluminum alloy & precision bearings |
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