DIESEL CYLINDER HEAD GASKET INFORMATION

A NEW DESIGN HEAD GASKET WENT INTO PRODUCTION ON MARCH 17, 1981 STARTING WITH ENGINE NUMBER D10238186.

THIS NEWLY DESIGNED HEAD GASKET IS AVAILABLE FOR SERVICE REPLACEMENT ON ALL 1980 AND 1981 350 DIESEL ENGINES AND CAN BE IDENTIFIED VISUALLY BY THE USE OF BLUE PRINT O'SEAL INSTEAD OF ORANGE. THIS GASKET IS OF THE SLOTTED AND SHIMMED DESIGN AND CARRIES STAMPING NO. 22513605 AS ILLUSTRATED BELOW:

IT MUST BE REMEMBER THAT WHEN INSTALLING THE DIESEL CYLINDER HEAD GASKETS NO SEALER IS TO BE USED ON THE GASKET. ON ALL DIESEL ENGINES THE PRECHAMBER SHIELD ON THE HEAD GASKET MUST BE INSTALLED TOWARDS THE CYLINDER HEAD. CURRENT PRODUCTION PROVIDES TWO DOWEL PIN LOCATIONS AND IT IS POSSIBLE TO INSTALL THE CYLINDER HEAD GASKET UPSIDE DOWN.

THE FOLLOWING LIST CONTAINS THE MOST UPDATED DIESLE ENGINE GASKET KIT PART NUMBERS WHICH CONTAIN THE NEW HEAD GASKET AND THEIR APPLICATION:

YEAR PART NUMBER PART NAME

80-81 22513605 HEAD GASKET

1981 22514844 VALVE GRIND GASKET KIT WITH INTERNAL EGR

1981 22514845 VALVE GRIND GASKET KIT WITH EXTERNAL EGR

1980 22514845 VALVE GRIND GASKET KIT

1981 22514842 ENGINE OVERHAUL GASKET KIT WITH INTERNAL EGR 1981 22514843 ENGINE OVERHAUL GASKET KIT WITH EXTERNAL EGR

1980 22514843 ENGINE OVERHAUL GASKET KIT

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.