OTOTEC Heater Matrix Repair Kit Replace OEM 8E0898380 1K0898380 Compatible with Audi A3 A4 Volkswagen Golf

- Compatibility: Compatible with Audi A3 A4 and Compatible with Volkswagen Golf; fits heater core hose connection; please verify connector style before purchase. - Replace OEM: Replace OEM 8E0898380 1K0898380; compare these codes with the existing heater hose coupling to confirm fit and reduce returns. - Function and Materials: Restores the coolant seal at the heater matrix joint; includes 2 stainless steel clamps, 2 NBR rubber O-rings, and 2 zinc-plated steel screws; resistant to common coolants. - Leak Fix Uses: Addresses minor seepage at the heater core outlet and bulkhead union; helps recover cabin heat and conserve coolant; enables quick repairs with basic tools. - Install Tips: Allow the engine to cool; install with a screwdriver and pliers; bleed the cooling system after service; suitable for home garage, workshop, and travel emergency kits.