Tensioner Tension Pulley 03C145276C For Seat Volkswagen
The DUHUI Bearing 03C145276C drive belt idler pulley is an OE-spec replacement component for the accessory drive belt system on a wide range of SEAT and Volkswagen models. This guide pulley ensures proper serpentine belt routing and tension, maintaining reliable alternator, air conditioning compressor, and power steering pump operation. Manufactured to match original equipment specifications including 03C145276C, this unit is a critical component for the EA111 and related engine families across the Volkswagen Group.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 03C145276C |
| Outer Diameter | 81.00 mm (3.189 inch) |
| Width | 26.50 mm (1.043 inch) |
| Product Type | Idler Pulley / Deflection Pulley |
Note: Dimensional data is based on available sources. Please verify measurements against your original bearing before ordering.
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: 03C145276C, 03C 145 276 C
Reference Numbers (Interchange):
SNR: GA357.35
BREDA LORETT: CR3712
FEBI BILSTEIN: 32024
GATES: T36262
RUVILLE: 56304
INA: 532057210
Vehicle Fitment
This idler pulley is designed for SEAT, Volkswagen, Audi, and Škoda models within the Volkswagen Group using the EA111 engine family and related platforms:
SEAT: Ouyuebo (710, 711) 2010-, Ibiza, Leon, Altea
VOLKSWAGEN: Golf V (5M1) 2004-2013, Golf VI, Jetta, Polo, Passat, Scirocco, Eos, Beetle, Touran
AUDI: A1, A3 (8P)
ŠKODA: Fabia, Roomster, Octavia
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement for VW Group applications with 03C145276C.
- Precision-engineered guide pulley for accessory drive belt systems on EA111 engines.
- Cross-references with multiple leading brands including SNR GA357.35, GATES T36262, and INA 532057210 for easy interchangeability in the aftermarket.
- Premium sealed bearing protects from contaminants and ensures long service life.
- Smooth contact surface designed specifically for V-ribbed serpentine belt applications.
Installation Notes
- This pulley is designed for the accessory drive belt system on VW Group models equipped with EA111 engines.
- Before removal, locate the OE belt routing diagram under the hood or make a sketch of the belt path.
- Use a long-handled wrench or serpentine belt tool 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
