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Denso 10S17F & 10S20F
Compressor Adapter Fittings
SUCTION #10 o-ring  & DISCHARGE #8 o-ring

These adapters are for the compressors from the LS Swaps

 (Denso) 10S17F & 10S20F 

compressor adapters used to convert a stock compressor to aftermarket hoses. The adapters are standard #8 discharge and #10 suction fittings.

 Discharge fitting has standard 3/4″-16  

Suction fitting has 7/8″-14 threads


Note: If you’re using the compressor included with the Chevrolet Performance #19155066 serpentine drive kit, these adapters might require modifications, spacers or may not work at all, we’ve received differing reports. There are no issues when using the truck version of this compressor.


If you have or want to use the Denso 10S17F or 10S20F AC compressor on your LS engine swap, these adapters are what you need! These convert the compressor to #8 and #10 O-ring fittings. Seals and O-rings included.

Please check to ensure your inlet/outlet configuration is the same as in the  photos before ordering.