This is a GENUINE Brother part.

BROTHER /  BABYLOCK FOOT CONTROL XC6651121 FITS:

Babylock Sewing Machine Models:
BL200A, BL37, BL3800, BL50A Rachel, BL510A Jane, BL60E, BL6200, BL6300, BL6700, BL6800, BL7000, BL7500, BL7800, BL8000, BL8500, BL9500, BLCC, BLCC2, BLDC, BLDC2, BLMY, BLQC, BLQP, BLTP, EM1, EM2, ESE, ESE2, ESG Ellageo, ESG2, ESG3, ESL, ESi, ESi2, ESN, ESP, INT

Brother Sewing Machine Models:
9700LD, B375, CS80, CS8000, CS8060, CS8070, CS8072, CS8080, CS8100, CS8120, CS8130, CS8150, CS8200, HE120, HE120PKG, NC21-S2, NC21-S3, NC21-SE, NV200, NV-350SE, NV400, NV400SE, NV500, NV500D, NX200, NX200LE, NX200 Innovis, NX200 Pacesetter, NX250, NX400, NX400 Innovis, NX400LE, NX400 Pacesetter, NX400Q, NX400QE, NX450, NX450Q, NX600, NX650Q, NX800 (Innovis NX800), PC210, PC210PRW, PC420, PC420PRW, PC2800, PC3000, PC5000, PC6000, PC6500, PC660LA, PC7500, PC8200, PC8500, PC8500D, PE300S, PE400D, PE700, PL1500, PL2100, PQ1300, PQ1500, PS1950, PS2100, PS2200, PS2250, PS2300, PS2360, PS2470, PS2500, PS3100, PS3700, QS480, S62, SB3129 Simplicity, SE270D, SM6500PRW, Super Galaxie 2000, Super Galaxie 2100, Super Galaxie 3000, ULT2001, ULT2002, ULT2003D