J&L Oil Separator 3.0 for the driver side is a billet-aluminum catch can specified for 2021–2026 Chevy Express and GMC Savana 6.6L gas engines. Its multistage filtration uses a fine mesh screen and an aluminum honeycomb stage to collect vapors; a knurled removable base and O-ring seal make draining simple. Capacity is three ounces—drain every 2,000–3,000 miles as recommended.
J&L 21-25 Chevy Express/ GMC Savana 6.6L Oil Separator 3.0 Driver Side - Black Anodized