150538-4900 ZEXEL 9 431 610 934 BOSCH SHIM 9431610934 1505384900 228822850a

25Oct2017
U-580
A-415
D-489
O-486
Parts stock action only
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN FUEL INJECTORS FROM DEALER STOCK
7750 PI70684
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.
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7751" as the Group Number, "56" as the 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
31Jan2018
PROBLEM
The existing fuel injector can over fuel. If the existing fuel injector fails it can result in engine damage.
ACTION REQUIRED
Remove all injectors with the following part numbers, and within the serial number range from dealer parts stock. Injectors will be packaged between August 9, 2017 and October 13, 2017.
Injectors with a package date prior to August 9, 2017, or after October 13, 2017 do not need to be checked. Date code is below the part number, D##M##Y##, the day is after the D, month is after the M, and Year is the first two numbers after the Y.
Part number and Serial number
457-5312 8C00599034E3 and 8C00599039C0
427-6227 8C005990458F
Remove all injectors with the following part numbers, and within the serial number range from dealer parts stock. Injectors will be packaged between August 9, 2017 and October 13, 2017.
Injectors with a package date prior to August 9, 2017, or after October 13, 2017 do not need to be checked. Date code is below the part number, D##M##Y##, the day is after the D, month is after the M, and Year is the first two numbers after the Y.
Part Number and Serial number
392-0211 2066755 through 2068587, inclusive
392-0205 2066755 through 2068587, inclusive
392-0219 2066755 through 2068587, inclusive
392-0217 2066755 through 2068587, inclusive
392-0202 2066755 through 2068587, inclusive
392-0223 2066755 through 2068587, inclusive
392-0216 2066755 through 2068587, inclusive
392-0221 2066755 through 2068587, inclusive
392-0225 2066755 through 2068587, inclusive
392-0214 2066755 through 2068587, inclusive
392-0206 2066755 through 2068587, inclusive
Remove all injectors with the following part numbers, and within the serial number range from dealer parts stock. Injectors will be packaged between August 9, 2017 and October 20, 2017.
Injectors with a package date prior to August 9, 2017, or after October 20, 2017 do not need to be checked. Date code is below the part number, D##M##Y##, the day is after the D, month is after the M, and Year is the first two numbers after the Y.
Part Number and Serial number
111-3718 865395 through 868934, inclusive
4P-9075 865395 through 868934, inclusive
4P-9076 865395