156801-2500 ZEXEL 9 423 611 965 BOSCH FLANGE BUSHING 9423611965 1568012500 1686699300

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
30Sep2020
PROBLEM
The existing fuel injectors may start to leak on certain 120K 2 and 140K 2 Motor Graders. This can allow fuel to mix with the engine oil in certain high cycle / heavy engine load applications.
AFFECTED PRODUCT
Model Identification Number
120K 2 SZS00489-01219, 10100-10446, 20100-20452
140K 2 SZW00159-00199, 10100-10113, 20100-20106
PARTS NEEDED
Qty
Part Number Description
6 3879427 INJECTOR GP-FUEL
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
If a machine starts to have signs of fuel entering the oil and one fuel injector is found to be leaking. Replace all six fuel injectors using part 387-9427.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-5000 hrs,
0-48 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
5001-7500 hrs,
49-84 mo 33.0% 50.0% 0.0% 0.0% 50.0% 50.0%
This is a 5.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.