This motor is designed to use with Pentair Sta-Rite Dura-Glas Series pool and spa pump model P2RA5D-180L and Dyna-Pro and Dyna-Pro E pool and spa pump model MPRA6D-204L. Also compatible with Pentair Sta-Rite Dyna-Glas and Dyna-Max Series pool and spa pump models MPRA6D-146L, MPFA6D-176L. Available 3/4-horsepower. Measures 17-1/4-inch length by 7-3/4-inch width by 8-inch height.