Lincoln Service Parts 1 › Lincoln Electric 9SL16604 OIL COOLER GUARD L16604 Lincoln Electric 9SL16604 OIL COOLER GUARD L16604 Sale Price: $73.03 Original Price: $83.98 OIL COOLER GUARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! OIL COOLER GUARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1