Four Seasons 78551 SD7H15 AC Compressor with Clutch

The Four Seasons 78551 is a new Sanden/Sankyo SD7H15 air conditioning compressor with clutch, engineered to meet or exceed OEM specifications for reliable climate control performance. This premium replacement compressor features aluminum construction and is compatible with R-134a refrigerant systems.

Key Features:

• SD7H15 compressor type with integrated clutch assembly
• Pre-charged with 3 ounces of PAG oil for R134a or R1234yf applications
• Direct-fit OE-style electrical connector eliminates splicing during installation
• Includes all necessary gaskets, o-rings, and sealing washers for complete installation
• Validated for the equivalent of 100,000 miles of operation
• 6-inch clutch diameter with 2-groove serpentine belt pulley (0.500" belt width)
• Individually leak, vacuum, and pressure tested before packaging
• Built in TS16949 certified manufacturing facility

Technical Specifications:

• Compressor Type: Sanden/Sankyo SD7H15
• Compressor Head Type: MD
• Refrigerant Compatibility: R-134a
• Belt Type: Serpentine, 2-groove
• Clutch to Mounting Flange Distance: 0.95 inches
• Material: Aluminum

Each Four Seasons compressor undergoes rigorous quality testing including noise, function, leak, and pressure testing to ensure leak-free performance and durability. The high-quality welds and windings that meet or exceed OEM specifications provide long-lasting, reliable operation. Four Seasons is the largest aftermarket mobile climate control parts supplier and the world's largest compressor remanufacturer, backed by over 50 years of mobile A/C experience.

Cross-Reference Part Numbers: ACDelco 1521910, Sanden 4609E, Sanden 4478, General Motors 19193652, New Holland 1977959C1, Western Star 3004547, Compressor Works 275061, Red Dot 75R84112, UAC CO4609S, ABPN83304992