Description Additional Info Product Reviews Rectangular Sealing Ring, 1.885 in I.D. x 0.195 in C/S x 0.245 in Thick 47.87 mm I.D. x 4.95 mm C/S x 6.22 mm Thick, Viton (75) Cross References:Detroit Diesel: A4721870180, Detroit Diesel: A4721870480, Detroit Diesel: A4721870880, FTL: DDEA4721870880 UPC: 193807007010 Mfr Part Number: 621208