stephen the two coolers are quite different. i own trannies with both types. my 5ks wagon is now a parts car :>(...and it has a good rear tranny cooler. i could possibly get to it if you are interested. btw the wagon has a good body and parts. (no engine) mike 86 5kcdtq, tap chip sjm spring 84 5ks 84 5ksw many cyclops bicycles