The WP9742945 dishwasher spray arm retaier nut is a OEM Whirlpool part.
The spray arm retainer nut secures the lower spray arm to the pump housing.
Possible repair solution for:
- Poor wash quality
- Unusual noises
- Water leakage
|Skill Level 1 : Beginner – Amateur
Hand tools may be required. No disassembly is required.
Easy to install; no previous knowledge is required.