MospdyGear 5Q0121407T Coolant Expansion Tank, Replacement for VW Audi

Product features

1. Fitment: Replacement for VW Golf Mk7, Passat B8, Tiguan, T-Roc, Touran; Replacement for Audi A3, Q2, Q3, TT; Replacement for Skoda Octavia, Superb, Fabia, Karoq, Yeti; Replacement for Seat Ateca, Leon.
2. Replaces Part Number: 5Q0121407T, 5Q0121407A, 5Q0121407G, 3B0121321, 5Q0121321
3. Function: Serves as coolant expansion tank and radiator coolant recovery reservoir. Maintains proper coolant levels by allowing expansion and contraction of coolant during engine operation.
4. Construction: Made from heat-resistant plastic with a secure-fitting cap. Designed to withstand engine compartment temperatures and resist coolant chemical degradation over time.
5. Installation: Direct bolt-on replacement using existing mounting points. Drain coolant, remove old tank, transfer cap and sensor, install new tank, refill coolant. Basic hand tools required.