6L2288 Select the E-2 engine pencil zinc if using it with an E-2 hex end plug. Select the CAT pencil option below if using the CAT square end plug. See note below about sizing difference.
- E-2 pencil length: 2" or the CAT option= 2-1/2"
- anode diameter: 5/8"
- anode thread size- E-2 option 7/16-14
- anode thread size- CAT option= 3/8-16
- U.S. Mil-Spec quality
- Note: If you select the E-2 replacement pencil, it has a 7/16-14 thread to fit in an E-2 hex head plug. If you select the CAT replacement pencil, it has a 3/8-16 thread that fits in the CAT square plug. Be sure to pick the correct pencil for the type of end plug being used.