Tensioner 55221253 For Lancia Alfa-Romeo
The DUHUI Bearing 55221253 timing belt tensioner is a direct OE-replacement component for the timing belt system on select Lancia and Alfa Romeo models equipped with 1.8L and 2.0L Twin Spark petrol engines. This tensioner maintains proper timing belt tension, ensuring accurate valve and piston synchronization and preventing catastrophic engine damage if belt failure occurs. Manufactured to match original equipment specifications including 55221253, this unit is a critical component for timing belt replacement service on Fiat Group Twin Spark engine applications.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 55221253 |
| Outer Diameter | 64.00 mm (2.520 inch) |
| Height | 20.00 mm (0.787 inch) |
| Product Type | Timing Belt Tensioner |
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: 55221253, 55195851, 55188911
Reference Numbers (Interchange):
GATES: T43108
SKF: VKM21006
INA: 531 0566 10
FEBI BILSTEIN: 20965
Vehicle Fitment
LANCIA DEDRA (835): 1.8 16V LE (835FG) 1996-1999
ALFA ROMEO 156 (932): 2.0 JTS (932BXD00, 932BXD01) 2002-2006
ALFA ROMEO 147: 2.0 JTS 2001-2005
ALFA ROMEO 166: 2.0 JTS 2001-2005
FIAT: Various Twin Spark engine applications
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement for Lancia and Alfa Romeo applications with 55221253.
- Designed for timing belt tensioning on Twin Spark 1.8L and 2.0L engines, maintaining proper belt tension to ensure accurate valve and piston synchronization.
- Cross-references with multiple leading brands including GATES T43108 and SKF VKM21006 for easy interchangeability in the aftermarket.
- Precision spring-loaded mechanism automatically adjusts belt tension as the timing belt stretches over time.
- OE-compatible replacement for original part numbers 55221253, 55195851, and 55188911.
Installation Notes
- This tensioner is designed for the timing belt system on Fiat Group models equipped with Twin Spark 1.8L and 2.0L petrol engines.
- When replacing the tensioner, it is highly recommended to replace the timing belt and water pump as well – these are interference engines and timing belt failure can cause serious damage to valves and pistons.
- Before removal, locate the OE belt routing diagram or make a sketch of the belt path.
- Use appropriate tools to safely relieve spring tension – never cut or pry the belt off while under tension.
- Ensure the tensioner mounting surface is clean and free of debris before installing the new unit.
- After installation, rotate the engine by hand to verify proper belt tension and alignment, then start the engine briefly and recheck.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces timing belt tensioners, idler pulleys, and wheel bearing assemblies to OE specifications. Contact us
