2159995 215-9995 Arm Boom Bucket Hydraulic Cylinder Excavator Kit Swing Motor Kit

2159995 215-9995 Arm Boom Bucket Hydraulic Cylinder Excavator Kit Swing Motor Kit

Version 1 (Swing Motor & Boom Function Focus)

The hydraulic seal kit numbered 2159995 is specifically designed for excavator swing motor and boom cylinder applications. When servicing the arm crowd circuit, part 215-9995 provides critical sealing for both piston and gland interfaces. Excavator bucket tilt functions benefit from 2159995 because it maintains consistent pressure during heavy digging cycles. The swing motor assembly relies on 215-9995 to prevent internal cross-contamination between high and low pressure zones. Boom lift cylinders fitted with 2159995 show reduced droop after 1500 operating hours in field tests. Each genuine 215-9995 hydraulic cylinder excavator kit includes O-rings, backup rings, and rod seals for complete overhaul. Swing motor efficiency improves by 18 percent when 2159995 replaces worn sealing elements in the rotary group.

Version 2 (Application & Multi-Component Focus)

Excavator workshops stock 2159995 as the primary seal kit for arm, boom, and bucket hydraulic cylinders. The swing motor rebuild process always incorporates 215-9995 to seal the output shaft and valve plate. When boom cylinder drift becomes noticeable, installing 2159995 restores holding capacity within one hour. Part number 215-9995 covers both static flange seals and dynamic rod seals in a single package. Excavator arm cylinders equipped with 2159995 demonstrate smoother extension and retraction cycles. The bucket circuit using 215-9995 eliminates spongy feel during curl and dump operations. Swing motor specialists prefer 2159995 (also listed as 215-9995) for its precise groove matching across multiple excavator models.