AT159554 New Check Valve Fits John Deere Crawler 700H 700J 700K
AT159554 New Check Valve Fits John Deere Crawler 700H 700J 700K
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One New Aftermarket Replacement Track Adjuster Check Valve Fits John Deere (Fits JD) Crawler Dozers and Loaders
This aftermarket replacement check valve screws into the track adjuster assembly and controls grease flow into the track tensioner on Fits John Deere (Fits JD) crawler dozers and loaders. Over time, the internal seat on these valves wears and no longer seals properly, preventing grease from reaching the tensioner -- replacement restores correct track tension adjustment. The valve accepts a standard grease fitting at the inlet for easy service access.
Compatible Models
Fits John Deere Crawler Dozers: 450, 450B, 450C, 450D, 550, 550A, 555, 555A, 700H, 700J, 700J-II, 700K, 750C, 850C
Fits John Deere Crawler Dozers (G-Series): 450G, 455G, 550G, 555G, 650G
Replaces Part Number(s):
AT159554, AT159554-A, UNU20-0021
New aftermarket replacement part - not remanufactured, not used.
