CRP (Continental Rubber Products) began its automotive parts business in 1954, and operates out of four facilities in three countries; stocking and shipping from Cranbury (NJ, USA), Freemont (CA, USA), Mississauga (ON, Canada), and Puebla (Mexico). They supply the North American aftermarket with over 10,000 replacement parts like transmission mounts, timing belts, and valve cover gaskets. They also manufacture high quality A/C refrigerant hoses, radiator and heater hoses, relays, and a whole lot more. CRP is an ISO 9001:2008 certified company, which means they have shown the ability to consistently provide a product that meets or exceeds customer and regulatory requirements.
One of the most common parts to require replacement in your HVAC system is the blower motor resistor, so make sure to test it when diagnosing any heating problems.