Info - Oil Filter Cap Assembly and Oil Filter Element Design Change

The purpose of this bulletin is to provide information about a new design oil filter cap assembly (P/N 12580254) and oil filter element (P/N 12579143) that has been released for service on 2.2L 4-cylinder engines (RPO L61) and supercharged 2.0L 4-cylinder engines (RPO LSJ).

Important: Always inspect for new design oil filter cap. If a new design oil filter cap (P/N 12580254) is present, the new design oil filter element (P/N 12579143) must be used to service this vehicle.

Old Design Oil Filter Cap (left) and New Design Oil Filter Cap (right)

The new design oil filter cap can be identified by the rounded contour of the outer edges, rather than the flat edges on the previous designs. This new design oil filter cap is intended to backservice all previous model year vehicles. The new design oil filter element must be used to service vehicles with this new design oil filter cap. Refer to the "Parts Compatibility" table included in this bulletin for more information.

Notice: Do NOT use an old design oil filter element (P/N 22685727) in combination with the new design oil filter cap . The bypass valve in the new design oil filter cap is designed with increased relief pressure. Use of an old design oil filter element with the new design oil filter cap could result in damage to the engine.

Old Design Oil Filter Element (left) and New Design Oil Filter Element (right)

The new design oil filter element can be identified by a slightly smaller inside diameter as well as straight vertical pleats, rather than the previous zigzag pleats. The new design oil filter element can be used with all vehicles listed in the "Models Affected" section that are equipped with 2.2L 4-cylinder engines (RPO L61) or supercharged 2.0L 4-cylinder engines (RPO LSJ).