Genuine GE part. GE brands include General Electric, Hotpoint, RCA, and others.
Dishwasher Lower Spray Arm Assembly

Fits the following models: GHDA350N00BB, GHDA350N00WW, GHDA350N10BB, GHDA350N10WW, GHDA350N20BB, GHDA350N20WW, GHDA356N00SS, GHDA356N10SS, GHDA356N20SS, GSC3500D00BB, GSC3500D00WW, GSC3500D35BB, GSC3500D35WW, GSD3300D00BB, GSD3300D00CC, GSD3300D00WW, GSD3300D35BB, GSD3300D35CC, GSD3300D35WW, GSD3300N00BB, GSD3300N00CC, GSD3300N00WW, GSD3300N10BB, GSD3300N10CC, GSD3300N10WW