Caterpillar 3406 Engine Serial Number to Piston Number Matrix

Below is a Caterpillar engine serial number and arrangement number to piston number matrix for the 3406, 3406B and 3406C engines. Each section is sorted alpha-numerically by arrangement number. You can click on any piston number to send you to a search results page containing items that use that piston. Please note that if no results are found than the item may be discontinued (no longer available). If this occurs please contact us and we may be able to locate a substitution for you.