Remanufactured Cylinder Heads Need To Be Removed From Parts Stock And Returned For Rework Caterpillar

NOTE: The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

Termination Date

Problem

Some remanufactured cylinder heads have improved manufacturing processes. To ensure that remanufactured cylinder heads in parts stock have these improvements, certain remanufactured cylinder heads need to be removed from parts stock and returned for rework.

Action Required

The following is a list of remanufactured cylinder heads that need to be removed from stock. Remove and return only those cylinder heads which have date codes prior to the dates given for each group of part numbers. The date code appears near the "OR" remanufactured part number stamped on the head. Cylinder heads that have a "W" marked on their shipping box have already been updated and are not to be returned. These cylinder heads also have a "W" stamped by the stamped part number and date code.

The date code format for these remanufactured cylinder heads is

where the numbers for the months and years are coded as follows:

The date code is stamped near the remanufactured part number on the head casting.

Service Claim Allowances

Submit one claim for all cylinder heads removed from parts stock.

Parts Disposition

U.S. and Canadian Dealers

Return all cylinder heads that are removed from parts stock with a completed CCR/PL showing Caterpillar claim number to:

NOTE: do not put returned heads on the same skid as any core return material.

All Other Dealers

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.