Proper truck seat adjustment improves posture, reduces fatigue, and enhances driving safety. This guide explains the correct adjustment order for height, forward/backward position, cushion tilt, backrest angle, lumbar support, steering wheel, and mirrors, plus damping settings.

SW 0019104130: the dedicated control button assembly for the Grammer 90.6 airbag shock absorber heavy-duty truck seat is commonly used in mainstream heavy-duty truck models such as the Shaanxi DeLong X3000 and X5000, and belongs to the high-frequency vulnerable parts of the seat

SW 1268387: the core pneumatic control components of Grammer MSG95 series air suspension seats

X3000：The entire set of pneumatic control components consists of multiple sets of buttons, valve bodies, and air pipe interfaces, belonging to the "control brain" of the seat

SW 135404: manufactured by Dongfeng (135404), enables smooth seat cushion adjustment for Dongfeng truck seats, ensuring lasting performance.

SW 929527-57/00E: a robust right-handed component, enabling smooth backrest adjustment for ISRI 6860 seats, ensuring durability and reliable operation.

SW 42538402: a switch adjustment button, enabling reliable seat function restoration and precise adjustment control

SW 42538402: a switch adjustment button, enabling reliable seat function restoration and precise adjustment control

SW 81623406127: specially designed for MAN trucks and compatible with ISRI NTS valve systems

SW 42533246: a dedicated component for VOLVO truck’s brake system and air suspension