156211-8100 ZEXEL 9 423 610 336 BOSCH TOOTHED GEAR 9423610336 1562118100 5125241050

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
This Program can only be administered after a failure occurs.The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52816" as the Part Numberand "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
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
30Nov2016
PROBLEM
The existing diesel oxidation catalyst can be plugged or restricted on certain C27 Petroleum Engines. If the existing diesel oxidation catalyst fails it will need to be replaced.
AFFECTED PRODUCT
Model Identification Number
C27 NAR00109-00110, 120, 124-138, 141-142, 145, 148
PARTS NEEDED
Qty
Part Number Description
1 4629475 CONV/MUFFLER AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 2% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
Replace the catalyst per Disassembly and Assembly, KENR8167, "Catalyst - Remove and Install".
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-15000 hrs,
0-36 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 2.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.