12649T09 Mercury HARNESS ASSEMBLY, (14 Pin)

20Nov2020
U-671
A-552
D-632
O-622
Parts stock action only
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING THE 5117975 FUEL PUMP ON CERTAIN C9.3 REMAN 20R4509, 20R5307, 20R6190, AND 20R6192 LONG BLOCKS, 20R7002, AND 20R7003 REMAN ENGINES IN DEALER PARTS STOCK
7750 PI70854
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
28Feb2021
PROBLEM
Certain Reman C9.3 Long Block and Engines were built with suspect 5117975 Fuel Pumps. If ran, the fuel pump can cause harm to the fuel system.
ACTION REQUIRED
Inspect the serial number on 5117975 Fuel Pump installed on certain reman long blocks and reman engines in dealer parts stock.
The pump serial number is located on the top of the solenoid. (Image 1)
Suspect 5117975 Fuel Pump Serial Numbers
7975P143735DF
7975P143730C4
7975P143802B2
7975P143807A9
7975P143961AE
7975P14395191
7975P14400493
7975P143976AE
Inspect dealer part stock of 20R4509, 20R5307, 20R6190, and 20R6192 Long Blocks for the Long Block serial numbers listed below. The serial number can be found on the part number tag on the Long Block crate. (Image 2)
P/N Description S/N
20R4509 LONG BLOCK 16703368
20R4509 LONG BLOCK 16703369
20R4509 LONG BLOCK 16703375
20R4509 LONG BLOCK 16703376
20R4509 LONG BLOCK 16703381
20R4509 LONG BLOCK 16703388
20R4509 LONG BLOCK 16703395
20R4509 LONG BLOCK 16703402
20R4509 LONG BLOCK 16703405
20R5307 LONG BLOCK 16703361
20R5307 LONG BLOCK 16703362
20R5307 LONG BLOCK 16703363
20R5307 LONG BLOCK 16703366
20R5307 LONG BLOCK 16703374
20R5307 LONG BLOCK 16703377
20R5307 LONG BLOCK 16703379
20R5307 LONG BLOCK 16703380
20R5307 LONG BLOCK 16703382
20R5307 LONG BLOCK 16703384
20R5307 LONG BLOCK 16703391
20R6192 LONG BLOCK 17800373
20R6192 LONG BLOCK 17800377
20R6192 LONG BLOCK 17800381
20R6192 LONG BLOCK 17800382
20R6192 LONG BLOCK 17800383
20R6192 LONG BLOCK 17800384
20R6192 LONG BLOCK 17800386
20R6192 LONG BLOCK 17800387
20R6190 LONG BLOCK 17800378
20R6190 LONG BLOCK 17800379
20R6190 LONG BLOCK 17800389
20R6191 LONG BLOCK 17800374
20R5307 LONG BLOCK 16703397
20R5307 LONG BLOCK 16703400
20R5307 LONG BLOCK 16703401
20R5307 LONG BLOCK 16703404
20R5307 LONG BLOCK 16703392
20R5307 LONG BLOCK 16703393
20R5307 LONG BLOCK 16703396
If one of the 20R4509, 20R5307, 20R6190, 20R6192 Long Block serial number are found, open crate and inspect fuel pump serial number (Image 1).
If the Long Block has a suspect pump, then replace the pump. Refer to Disassembly and Assembly, UENR0130.
If the Long Block does not have a suspect pump, then mark the packaging as inspected per this program and return to dealer part stock.
Inspect dealer part stock of 20R7002, 20R7003 Reman Engines for the Engine serial numbers listed below. The serial number can be found on the part number tag on the Engine packaging. (Image 2)
P/N Description S/N
20R7002 ENGINE RYE00461
20R7002 ENGINE RYE00462
20R7002 ENGINE RYE00463
20R7003 ENGINE RYE00457
20R7003 ENGINE RYE00458
20R7003 ENGINE RYE00465
If one of the 20R7002 or 20R7003 Engine serial numbers are found. Inspect fuel pump serial number (Image 1).
If the Engine has a suspect pump, then replace the pump. Refer to Disassembly and Assembly, UENR0130.
If the Engine does not have a suspect pump, then mark the packaging as inspected per this program and return to dealer part stock.
Image1
Image2
SERVICE CLAIM ALLOWANCES
Submit a claim for certain Reman Long Blocks or Reman Engines that needed a fuel pump replacement in dealer parts stock. Include the Reman Long Block and/or Engine serial number that needed a fuel pump replacement in the claim. Include the fuel pump serial number in the claim. Five hours will be allowed to replace the pump. One 5117975 Fuel Pump is allowed.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.