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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Engine Mechanical - 5.3L (L83) Or 6.2L (L86) - Description And Operation) >> Description And Operation >> Engine Component Description >> Oil Pan

Oil Pan

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The structural rear-sump oil pan is a two-piece design that has a cast aluminum upper and a stamped steel lower pan. Incorporated into the design is the oil filter mounting boss, drain plug opening, baffle, oil deflector, oil pump screen, and oil level sensor. The oil filter bypass valve is in the oil filter assembly. The oil pan is sealed to the oil pump with a silicone push in place gasket and to the engine block with RTV sealant. Dowels are pressed into the pan for aid in alignment to the engine block during assembly.