Idler Pulley Adjustment Wheel 16603-38011 for Lexus GX460 URJ150 & LX570 URJ201
$17.07
Shop high-quality water pump belt adjustment pulley 16603-38011 for Lexus GX460 & LX570. Durable steel construction ensures smooth engine operation and belt tension.
100 in stock
Description
Key Selling Points
- Perfect Fitment Guarantee: Specifically engineered for Lexus GX460 (2012-2019) and LX570 (2012-present) models with 1UR/3UR engines, replacing OEM part number 16603-38011.
- Engine Noise Reduction: Precision-engineered internal bearings provide smooth, quiet rotation, effectively eliminating chirping or grinding noises caused by worn water pump belt pulleys.
- Durable Steel Construction: Manufactured from high-grade alloy steel to withstand extreme engine temperatures and high-speed belt friction for long-lasting performance.
- Direct OE Replacement: Designed as a bolt-on solution to match factory specifications, ensuring proper belt tension and preventing slippage or premature belt wear.
- Enhanced System Reliability: Critical component for the engine accessory drive system that maintains water pump efficiency and prevents cooling system failures.
Technical Specifications
| Part Number | 16603-38011 |
|---|---|
| Compatible Engines | 4.6L V8 (1UR-FE), 5.7L V8 (3UR-FE) |
| Placement on Vehicle | Engine Accessory Drive (Front) |
| Material | High-Strength Steel & Precision Bearings |
| Fitment Type | Direct Replacement |
FAQ Q&A
Q: What are the signs that I need to replace this adjustment pulley?
A: Common symptoms include a high-pitched squealing or chirping noise from the front of the engine, excessive belt vibration, or visible wear and wobbling of the pulley wheel while the engine is running.
Q: Will this 16603-38011 pulley fit a 2015 Lexus GX460?
A: Yes, this part is specifically designed for the URJ150 chassis (GX460) for model years covering 2012 through 2019, including the 2015 model.
Q: Does this part include the mounting bolt?
A: This product consists of the adjustment pulley assembly itself. In most cases, you will reuse the original factory mounting bolt, provided it is in good structural condition.
Additional information
| Weight | 0.8 kg |
|---|---|
| Dimensions | 12 × 12 × 8 cm |
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