OEM Replacement Compressor: A/C Air Conditioning Compressor designed specifically for Freightliner Cascadia trucks with DD13, DD15, and DD16 engines Genuine Denso Quality: Manufactured by Denso in Japan, ensuring high-quality construction and reliable performance for your vehicle's air conditioning system Direct Fit Application: Compatible with all Freightliner Cascadia models equipped with DD13, DD15, and DD16 diesel engines for seamless installation OEM Part Number Cross-Reference: Replaces Freightliner part numbers 22-65771-001 and 22-75520-000, and Denso part number 471-3442 Professional Grade Component: Delivers efficient cooling performance and meets original equipment manufacturer specifications for your heavy-duty truck OEM for Freightliner Cascadia Denso A/C Compressors Fits all DD15, DD13, and DD16 engines. OEM Part Numbers: 22-65771-001, 22-75520-000 Denso Part Number: 471-3442