The polished Holley SD508 is the all-time most popular compressor design for retrofitted A/C systems, offering genuine OE Sanden quality far beyond common knockoff versions. Its large capacity supports even the biggest cars and trucks.
Specifications:
- Compressor Type: SD508 (Sanden)
- Refrigerant: R-134a
- Finish: Polished
- Material: Aluminum
- Pulley Style: Serpentine
- Engine Application: GM Gen III/IV (LS)
- Category: A/C Clutch and Compressor
- Part Number: 199-105
This compressor ships pre-filled with the correct oil type from the manufacturer.
FAQ
What refrigerant does the Holley SD508 A/C compressor use?
It's built for R-134a refrigerant systems.
What finish does this compressor have?
It has a polished finish, as opposed to the natural cast version.
Is the SD508 compressor pre-oiled?
Yes, it ships pre-filled with the correct oil type from the manufacturer.
What engine platform is the SD508 compressor designed for?
It's designed for GM Gen III/IV (LS) engine applications and uses a serpentine pulley.

