RE10980 Suction Manifold Fits John Deere Tractor CTS 4420 4425 4435 6620One New Aftermarket Replacement Suction Manifold that Fits John Deere Combine Models: CTS (S N <650400), 4420 (S N 610101>), 4425, 4435, 4435 HYDRO, 6620 (S N 600001>), 6622 (S N 610401>), 7720 (S N 600001>), 8820 (S N 615401>), 9400 (S N <650100), 9500 (S N <650200), 9500SH (S N <650200), 9600 (S N <6650300) Also fits: Fits John Deere Cotton Picker Models: 9920, 9930, 9950, 9960, 9965 Fits John Deere Cotton Stripper Models: 7440, 7445 (S N <16000)