Number on scheme #1 (Frigidaire GTF1040CS1): F18
Number on scheme #2 (Frigidaire GTR1040AS0): 18
Number on scheme #3 (Frigidaire FWT645RHS0): 18
Number on scheme #2 (Frigidaire GTR1040AS0): 18
Number on scheme #3 (Frigidaire FWT645RHS0): 18
Old Part Numbers: 131802100