1631135 Spring-Air Fits Caterpillar Models

One New Aftermarket Replacement Air Spring (Spring-Air) for Caterpillar (Cat) Equipment

This aftermarket replacement air spring (OEM part number 163-1135 / 1631135) is a component of the operator seat air suspension system found across a wide range of Caterpillar (Cat) construction and agricultural equipment. The air spring provides adjustable pneumatic cushioning within the seat suspension assembly, helping to absorb shock and vibration for operator comfort during long operating hours. This part fits into seat suspension groups including the 199-5727, 261-7486, 191-2933, and related Cat air suspension seat assemblies.

Specifications

• Part Type: Air Spring (Spring-Air)
• Thread: 3/8-16-2B
• Port: 1/8-27 NPT
• Diameter: 91 mm
• Weight: approximately 0.72 lbs

Compatible Models

Caterpillar Motor Graders: 12H, 12H ES, 12H NA, 12M, 12M 2, 12M 3, 12M 3 AWD, 14H, 14H NA, 14M, 16H, 16H NA, 16M, 24H, 24M, 120H, 120H ES, 120H NA, 120M, 120M 2, 135H, 135H NA, 140H, 140H ES, 140H NA, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 160H, 160H ES, 160H NA, 160M, 160M 2, 160M 3, 160M 3 AWD, 163H, 163H NA

Caterpillar Backhoe Loaders: 416B, 416C, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 426C, 428B, 428C, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 436C, 438C, 438D, 442D, 442E, 444E, 444F, 446B, 446D, 450E, 450F

Caterpillar Compact Track Loaders: 259D, 279C, 279C2, 279D, 289C, 289C2, 289D, 299C, 299D, 299D XHP

Caterpillar Articulated Trucks: 725, 730, 735, 740, D250E II, D300E II, D350E II, D400E II

Caterpillar Soil/Asphalt Compactors: CB44B, CB54B, CD44B, CD54B, CP54B, CP56B, CP68B, CP74B, CS56B, CS68B, CS74B, CS78B, CW34

Replaces Part Number(s):

1631135, 163-1135

New aftermarket replacement part - not remanufactured, not used.