Applies to: ENGINE 457.9 in MODEL 375.4 with BODY 375.840 ENGINE 457.9 in MODEL 944 with BODY 944.899 ENGINE 541.9 in MODEL 950.0 /1 /2 /3, 952.0 /1 /2 /3, 953.1 /3, 954.0 /1 /2 as of 1.5.01 with BODY 942.899 ENGINE 542.9 in MODEL 950.0 /1 /2, 952.0 /1 /2 /3, 954.0 /1 /2 as of 1.5.01 with BODY 942.899 ENGINE 906.9 in MODEL 950.5 /6, 952.5 /6, 953.6, 954.5 as of 1.5.01 with BODY 940.899