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J&L oil separator for 2014–2018 Chevy Silverado 1500 and GMC Sierra 1500 4.3L V6 captures crankcase oil vapors before they reach the intake. Milled from solid billet aluminum with a knurled removable base and O-ring seal, the multistage filter screens vapors through a fine mesh and honeycomb stage so oil droplets collect in the 3 oz tank. Quick-connect PCV fittings simplify install; drain every 2,000–3,000 miles as recommended.
J&L 14-18 Chevy Silverado 1500 / 14-18 GMC Sierra 1500 4.3L V6 Oil Separator - Black Anodized
