Tensioner Tension Pulley 38942PH3003 For Toyota
The DUHUI Bearing 38942PH3003 drive belt idler pulley is an OE-spec replacement component for the accessory drive belt system on a wide range of Toyota and other vehicle models. This idler pulley ensures proper serpentine belt routing and maintains correct belt tension, ensuring reliable alternator, air conditioning compressor, and power steering pump operation. Manufactured to match original equipment specifications including 38942PH3003, 38031, and 89038, this unit delivers reliable performance for Toyota passenger car and light truck applications.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 38942PH3003 |
| Outer Diameter | 70.00 mm (2.756 inch) |
| Inner Diameter (Bore) | 12.00 mm (0.472 inch) |
| Width | 20.50 mm (0.807 inch) |
| Groove Quantity | 4 |
| Contact Surface | V-Ribbed Grooved |
| Material | Steel |
| Product Type | Idler Pulley / Tensioner Pulley |
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code:
OE Numbers: 38942PH3003, 38942-PH3-003, 38031, 89038, 4435034010, 8844004030, 8844004040, 8844017010, 8844020160, 96062535, 94845983, 49030, 231038, 9513060B10
Reference Numbers (Interchange):
GATES: 38031
DAYCO: 89038
CONTINENTAL: 49030
ACDelco: 38031
ULTRA-POWER: 38031
Evan Fischer: 38031
Vehicle Fitment
This drive belt idler pulley is compatible with a wide range of Toyota and other vehicle models:
TOYOTA COROLLA (_E11): 1.8 (AE112) 1997-2001
TOYOTA 4RUNNER: 1996-2002
TOYOTA TACOMA: 1995-2004
TOYOTA TUNDRA: 2000-2004
TOYOTA T-100: 1994-1998
TOYOTA PREVIA: 1994-1997
TOYOTA CELICA: 1990-1997
TOYOTA TERCEL: 1991-1999
TOYOTA MR2: 1985-1989, 1991-1995
TOYOTA SUPRA: 1986-1992
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement for Toyota applications with 38942PH3003 / 38031.
- Designed for accessory drive belt (serpentine belt) guidance, maintaining proper belt routing for alternator, A/C compressor, and power steering pump operation.
- Cross-references with multiple leading brands including GATES 38031, DAYCO 89038, and CONTINENTAL 49030 for easy interchangeability in the aftermarket.
- Premium sealed steel construction with 4-groove V-ribbed surface for optimal belt contact and durability.
- OE-compatible replacement for original part numbers 38942PH3003, 38031, 89038, and 4435034010.
Installation Notes
- This pulley is designed for the accessory drive belt system on Toyota models equipped with 1.8L, 2.4L, 2.7L, and 3.4L petrol engines.
- Before removal, locate the OE belt routing diagram under the hood or make a sketch of the belt path.
- Use appropriate tools to safely relieve tension – never cut or pry the belt off while under tension.
- When replacing the pulley, it is recommended to inspect the serpentine belt for wear and replace it if necessary.
- Ensure the mounting surface is clean and free of debris before installing the new unit.
- Torque mounting bolt to manufacturer specifications – verify appropriate torque for your specific engine application.
- After installation, ensure the belt is properly seated in all pulley grooves and tracking correctly. Start engine briefly, shut off, and recheck belt alignment.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces idler pulleys, tensioner pulleys, and wheel bearing assemblies to OE specifications. Contact us
