4 x 4581DD3003B Dishwasher Dishrack Roller connects to the dishrack, and is located in the lower level 
of the dishwasher. It allows the dishrack to easily slide in and out.
[Easy Installation]: 
➤Tool : A flat blade screw driver is the only tool needed for this installation. 
➤Open the lower dishwasher rack and remove retaining tabs from both ends of the rack and slide it out.
➤ Locate the older roll assembly, remove it and replace the rollers. 
➤Remember to put the tabs on each side back before sliding it back in. 
➤Make sure the dishwasher is off before starting this installation project.
[Fit Models]:
LG:
LDF7932ST,LDF7811ST,LDF7811ST-01,LDF6920BB,LDF6920ST,LDF6920WW,LDS4821ST,
LDS5540BB,LDS5540ST,LDS5540WW,LDF6810ST-01,LDF6810ST-02,LDS5811ST-01,LDS5811ST-02,
LDF7551ST,LDF9810ST,LDF9932ST,LDF8072ST,LDS5811BB-01,LDS5811BB-02,LSD795ST4,
LSDF795ST,LSDF995ST,LDS5811WW-01,LDS5811WW-02,LDS5040ST,LDF7561ST,LDS4821WW,
LDS5040BB,LDF7810ST,LDF7810ST-01,LDF7551BB,LDS5774ST,LDF7774BD,LDF7810WW,
LDF7810WW-01,LDT9965BD,LDS5560ST,LDF7774BB,LDF8874ST,LDF7810BB,LDF7810BB-01,
LDF7774WW,LDF7811BB,LDF7811BB-01,LDF7811WW,LDF7811WW-01,LDF7932BB,LDF7932WW,
LDF8764ST,LDS4821BB,LDF6810ST,LDS5811ST,LDS5811BB,LDF6810BB,LDF6810WW,
LDF6810BB-01,LDF6810BB-02,LDF6810WW-01,LDF6810WW-02,LDS5040WW,LDF7774ST,
LDF7551WW,LDF8812ST,LDF6810ST-00,LDS5040ST/00,LDT9965BD/00,LDS5811BB/01,
LDS5811BB/02,LDS5811WW,LDF6810ST/01,LDF6810ST/02,LSDF9962ST/00,etc
Kenmore:
72214673710,72214677710,72214693610,72214697610.