Caterpillar s4ds 7c7691 313013 7C7691 0R6333
Caterpillar Turbocharger , CAT Turbo . Schwitzer Turbo S4DS for Caterpillar earth mover machines , P/N : 313013 , OEM No: 7C7691 / 0R6333 , fit for Caterpillar 3406 D8N .