Shop OEM Volkswagen Group Part # 5QM121407E (5QM-121-407-E). Engine Coolant Reservoir. 1.4 LITER, from 01/07/2020, type 1. 1.5 LITER, type 2. 2.0 LITER, from 01/06/2020, type 1. Jetta; From 4/26/19

Engine Coolant Reservoir. Expansion tank.
A container that holds Engine Coolant.

Fits Jetta, Jetta GLI

1.4 LITER, from 01/07/2020, type 1. 1.5 LITER, type 2. 2.0 LITER, from 01/06/2020, type 1. Jetta; From 4/26/19; Type 2. Jetta; Type 2. Jetta; Type 2; From 1/7/20.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.