Buy Caterpillar 7N0191 - PIPE-TRANSMISSION OIL COOLER at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:Compatible Models:Units Containing The Spare Part :- 6N1129 TRANSMISSION OIL COOLER GROUP (3306)- 4W4434 COOLER GP-FILTER BASE & ENGINE OIL (3306)- 4W4451 FILTER BASE & ENGINE OIL COOLER GROUP (D7G)- FILTER BASE AND ENGINE OIL COOLER (4W4434 N/S) (3306)- ENGIN OIL FILTER & COOLER (4W4451 N/S) (3306)- TRANSMISSION OIL COOLER (6N1129 N/S) (3306)