Interchange Part Number: 42779998, 42726633 Fitment: For 2025 Buick Envista Avenir, Preferred, Sport Touring 1.2L L3 - Flex, 1.2L L3 - Gas 2024 Buick Envista Avenir, Preferred, Sport Touring 1.2L L3 - Gas 2025 Chevrolet Trax ACTIV, LS, LT, RS 1.2L L3 - Flex 2024 Chevrolet Trax ACTIV, LS, LT, RS 1.2L L3 - Gas Package includes(as shown in the picture) 1x Air Intake Cleaner Filter Box.