Four Seasons 157546 Remanufactured A/C Compressor with Clutch Fixes OE issues that lead to permanent failure by replacing the vane and adding a unique manifold for direct replacement Improved design on a hard to get Saturn compressor without modifying any existing equipment All remanufactured compressors are built using the latest compressor technology available today and using strict remanufacturing processes. Tested for noise ,vibration ,durability,vacuum decay , and pressure decay to insure no leaks and longer life. Contains R-12/R-134a compatible gaskets, o-rings, or seals to properly replace the product