IPD - Caterpillar 3406E/C15/C15 Acert Spacer Plate - 6I4421

Caterpillar 3406E/C15/C15 Acert Spacer Plate | 6I4421

These engine block spacer plates were designed to reduce stress on the liner flange, which can cause cracking. The spacer plate is just a few thousands of an inch thinner than the liner flanges, this ensures the correct liner protrusion and guarantees proper head gasket sealing. A new spacer plate should always be used when overhauling your engine, or whenever the cylinder head is removed. It is an inexpensive assurance that your engine will be sealed properly.

We have 2 sizes on the spacer plate the standard size is .338 thickness and has this part number 6I4421. The other spacer plate has the thickness of .335 and the part number is 1389381.