Porsche Heater Block Off Plate Set - 911 (65-89) PMO-503-0

The Porsche Heater Block Off Plate Set for 911 models from 1965 to 1989 (PMO-503-0) efficiently seals the heater core ports, preventing coolant flow through the heater system. This professional-grade solution is ideal for those removing or disabling the factory heater, ensuring a secure and leak-free closure to maintain optimal engine cooling system performance. Crafted to precise specifications for a perfect fit, it offers a reliable and durable alternative to factory heater components.