Toyota Idle Gear 13525-17010 1352517010 For Land Cruiser 70/80/100 & Coaster 1HZ 1HDT 1PZ — OEM Timing Gear
| OEM Part Number: | 13525-17010 / 1352517010 | Part Name: | GEAR, IDLE, NO.1 / Idle Gear / Timing Gear |
| Production Period: | 01.1990 – 01.1993 (Coaster HZB30) | Engine Compatibility: | 1HZ, 1HD-T, 1HD-FT, 1PZ |
| Vehicle Models: | Toyota Land Cruiser (70/80/100 Series), Toyota Coaster | Chassis Compatibility: | HDB20, HZB3#, HZJ7#, HZJ8#, HZJ10#, PZJ70 |
| Material: | High-Grade Heat-Treated Steel | Condition: | Brand New — 100% Genuine Toyota OEM Quality |
| Warranty: | 12 Months | ||
| High Light: | Toyota idle gear OEM timing gear,Land Cruiser idle gear 1HZ 1HDT,Toyota Coaster timing gear 1PZ |
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The Gear, Idle, No. 1 with Genuine Toyota OEM number 13525-17010 (also listed as 1352517010) is a verified direct-fit replacement for Toyota off-road and commercial vehicles including Land Cruiser (70, 80, 100 Series) and Coaster buses. This timing idler gear is a critical component that ensures precise synchronization between the crankshaft and camshaft gears for optimal engine performance.
If your timing idle gear is failing, you may experience one or more of the following symptoms:
- Engine Timing Noise: Unusual whining, rattling, or clattering noises from the front of the engine
- Engine Misfire or Rough Running: Engine runs unevenly, misfires, or lacks power
- Difficulty Starting: Extended cranking or no-start conditions
- Metal Shavings in Oil: Visible metallic particles in the engine oil
- Catastrophic Engine Failure: Timing jump and severe internal engine damage
| Part Number | 13525-17010, 1352517010 |
| Product Name | Idle Gear |
| Car Model | Toyota Land Cruiser |
| Engine Model | 1HZ, 1HDT, 1PZ |
| Condition | 100% Brand New |
| Material | High-strength aluminum alloy & precision bearings |
| Origin | China Mainland |
| Brand | Model | Chassis / Series | Engine | Years / Notes |
|---|---|---|---|---|
| Toyota | Land Cruiser 70 | HZJ75, HZJ79 | 1HZ 4.2L Diesel | 1990-2023 |
| Toyota | Land Cruiser 70 | HZJ74 | 1HZ 4.2L Diesel | 1999-2004 |
| Toyota | Land Cruiser 70 | PZJ70 | 1PZ 3.5L Diesel | 1990-1992 |
| Toyota | Land Cruiser 80 | HZJ81, HDJ81 | 1HZ, 1HD-T 4.2L Diesel | 1990-1998 |
| Toyota | Land Cruiser 100 | HZJ105 | 1HZ 4.2L Diesel | 1998-2007 |
| Toyota | Coaster | HZB30, HZB31, HDB20 | 1HZ, 1HD-T 4.2L Diesel | 1990-1993 |
| Feature | Benefit + Verification Signal |
|---|---|
| Genuine Toyota OEM Specification | Guarantees factory-fit quality and performance — verified by Toyota part number 13525-17010 |
| Precision-Engineered for Timing Systems | Ensures precise synchronization between crankshaft and camshaft for optimal engine performance |
| High-Grade Heat-Treated Steel Construction | Provides exceptional wear resistance and durability under high-stress conditions |
| Broad Compatibility | Fits Land Cruiser 70/80/100 Series and Coaster — verified by extensive chassis and engine code compatibility |
| Direct Replacement Fitment | No modifications required — verified by OEM specifications |
| 100% New — No Core Charge | Guarantees zero wear, immediate timing performance, and full service life |
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision machining to Toyota OE blueprint specifications for exact fitment |
| Material Composition | High-grade heat-treated steel analysis to verify wear resistance and durability |
| Gear Tooth Inspection | 100% gear tooth profile inspection to ensure precise meshing and timing accuracy |
| Hardness Testing | Hardness verification to ensure long-term durability under high loads |
| Final Assembly Inspection | 100% visual and dimensional inspection before packaging |
Pre-Installation Checklist:
- This gear is typically replaced during timing gear service or engine rebuilds
- Inspect crankshaft gear, camshaft gear, and related timing components for wear
- Ensure the engine is properly timed after installation
- Use new seals and gaskets during reassembly
Installation Guidelines:
- Ensure engine is properly supported and timing cover is removed
- Remove old idle gear and inspect mounting shaft/bearing for wear
- Clean mounting surface and shaft thoroughly
- Install new gear with correct orientation per Toyota workshop manual
- Torque retaining bolt to manufacturer's specified torque settings
- Set engine timing correctly before reassembly
Maintenance Schedule:
- Inspection: During timing belt/chain service or if unusual engine noises are detected
- Replacement: Immediately if failure symptoms appear or during major engine overhauls
Each idle gear is securely packed in Genuine Toyota OEM packaging. Suitable for wholesale distributors, auto parts retailers, 4×4 specialty shops, commercial vehicle repair shops, and fleet owners.