1998 Chevrolet W4500 Tiltmaster Engine: 5.7L V8; Molded Rubber;. 1999 Chevrolet W4500 Tiltmaster Engine: 5.7L V8; Molded Rubber;. 2000 Chevrolet W4500 Tiltmaster Engine: 5.7L V8; Molded Rubber;. 2001 Chevrolet W4500 Tiltmaster Engine: 5.7L V8; Molded Rubber;.