Products › Conventional Concave - Case-IH 402, 403, 715, 815, OEM 174557C91 (3 holes) Conventional Concave - Case-IH 402, 403, 715, 815, OEM 174557C91 (3 holes) $1,040.00 Part #CO2110Conventional Concave Replaces OEM 174557C91Compatible with: Case-IH 402, 403, 715, 815 Add To Cart Added! Part #CO2110Conventional Concave Replaces OEM 174557C91Compatible with: Case-IH 402, 403, 715, 815 You Might Also Like Bottom Sieve 58" x 50" - Massey Ferguson 8780 XP Bottom Sieve $2,135.00 Copperhead Concave Set (8 Sections, 6 Covers) - Fendt Ideal $12,325.00 Auger Extender 42" $1,995.00 FC1444 $2,830.00 Main Sleeve $1,179.00