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0L4 Audi A3 Sportback e-tron 2016–2017 1
Each unit is professionally remanufactured to Bosch OE standards for dependable service
Prevents Backflow: Protects the air pump from exhaust gases
Early Warning: Triggers dashboard light when brake pads are worn to critical level
Rein VW Expansion Tank Hose – Upper (Radiator to Water Hose) – 2.8L V6 (Jetta & Golf) B48E 0L4 Audi A3 Sportback e-tronThis Rein upper expansion tank hose carries hot coolant from the radiator to the recovery tank, maintaining proper pressure and temperature in the cooling system of VW Jetta and Golf models with the 2. 8L V6 engine (1999 2002). Built with fiber reinforced rubber, it resists heat and chemical degradation for a longer service life than the original hose. Replacing a soft, worn hose with this Rein unit helps prevent coolant leaks and overheating. Key
