1. K/QSK19 Liter Pan Adapter Threaded Hole Modification
April 11, 2017

2. Description of Change
The hole located on the left side of the oil pan adapter is changing from a ½-20 UNF-2B threaded thru to a ½-20 UNF-2B straight thread o-ring port. Any new engine with this type of hole will have to use an O-ring style plug instead of a sealing washer.

3. Options Affect OP 4018 OP 4039 OP 4123 OP 4019 OP 4040 OP 4124 OP 4020

4. For questions or concerns please contact Kathryn McCarthy:
Phone: (812)