Description | FAA Approved Replacement for | Eligible Engine, Make and Model | Gaskets |
Front-Mount, 8 Bolt Oil Coolers |
| Continental 627392 Niagara 20585A | O-470-A,B,E,G,J,K,L,M,P,R,S,U IO-470- C,D,E,F,G,H,J,K,L,M,N,P,R,S,U,V | 654117 649964 (plate) |
 | Continental 646880 Niagara 20591A | IO-360-A, AB, C, CB, D, DB, G, GB, H, HB, HB9, J, JB, K, KB, ES TSIO-360-A, AB, B, C, CB, D, DB, E, F, GB, H, JB, KB, LB, MB L/TSIO-360-E, EB, F, FB, GB, H, HB, JB, KB, LB, MB, RB | 654117 649964 (plate) |
Front-Mount, 12 Bolt, Congealing Oil Coolers |
Non-7th Stud | Continental 626189 Niagara 20573A | O-470-B, J, K, L, M, R IO-470-D, F, L, M, S IO-520-A, D, E, F, J, K, L L/TSIO-520-AE IO-550-D | 654553 649964 (plate) |
7th Stud | Continental 652671 Niagara 20440A | IO-520-A, D, E, F, J, K, L L/TSIO-520-AE IO-550-D | 654555 649964 (plate) |
Front-Mount, 12 Bolt, Non-Congealing Oil Coolers |
10"Â Universal 7th Stud | Continental 639171 Niagara 20795A Continental 654595 Niagara 20617A | O-470-R, S, U IO-520-A, D, E, F, J, K, L TSIO-520-C, G, H, M, P, R, T, AF, CE IO550-D, E, F, L | 654554 652079 (plate) |
11"Â Universal 7th Stud | Continental 639151 Niagara 20446A | IO-470-F, K, L, R IO-520-A, D, E, F, J, K, L | 654560 652079 (plate) |
11" 7th Stud | Continental 654593 Niagara 20618A | IO-520-A, D, E, F, J, K, L | 654554 652079 (plate) |
11.5"Â Universal 7th Stud | Continental 639152 Niagara 20623A | O-470-M IO-470-D, U, V IO-520-A, D, E, F, J, K, L | 654560 652079 (plate) |
11.5" 7th Stud | Continental 652759 Niagara 20448A | IO-520-A, D, E, F, J, K, L | 654554 652079 (plate) |
Rear-Mount Oil Coolers |
 | Continental 654580 Niagara 10279A | TSIO-520-BE, E, J, L, N, VB, WB IO-550-B, C, G | G-KT-1 |
 | Continental 646685 Niagara 10196A | GTSIO-520-C, D, F, H, K, L, M, N | G-KT-2 |
 | Continental 654585 Niagara 10281A | IO-550-G, N, P, R, IO-F550-G, N, P, R | G-KT-3 |
 | Continental 654572 Niagara 10278A | IO-520-B, BA, BB, C, CB TSIO-520-B, BA, BB, C, CB, D, K, M, MB, UB IO-550-A, B, C | G-KT-4 |
 | Continental 655090 Niagara 10278A | IO-550-B, C IOF-550-B, C TSIO-520-B | G-KT-5 |