This is a genuine Detroit Diesel International Compound No. 2 (2lbs, 10oz) for the following engines. V71, V92 and V149. Series 50, Series 55 and Series 60. Will this part fit my engine? Consult your local authorized dealer to make sure this is the proper part for your specific engine and application. Allow 3 to 8 weeks for us to have the part repaired and return it to you. Labor costs of removing or reinstalling the part are not covered. Economic loss of any type is not covered. No other responsibilities or warranties are expressed or implied.