POWER TRAIN AR 8Y7476 - Caterpillar

Caterpillar Products: Commercial Engines
3500B and 3500CEngine News SEBD9816, October 2012, "A New Valve Lifter Assembly Is Used in 3500B Engines ". The original article was revised to add a statement on staking the roller pin. An additional canceled lifter assembly was also added.Description of Change: The new valve lifter is assembled with a procedure that uses temperature control to produce an improved fit for the roller pin. In addition, a pin staking process has been implemented in order to enhance the robustness of the lifter.Adaptable To:
Illustration 1 g03271256
416-8319 Valve Lifter As (1) Roller pinThe new part and the former parts are listed in Table 1.
Table 1
New Part     Former Part Canceled and Replaced     Former Part Canceled and Replaced    
416-8319 Valve Lifter As     263-6674 Valve Lifter As     230-7875 Valve Lifter As    The new valve lifter assembly is adaptable to 3500B and 3500C Engines back to first production.The new valve lifter assembly is effective with engines built beginning 03October 2012.