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GASKET 1661781 - Caterpillar


1661781 GASKET Caterpillar parts 120K, 120K 2, 12H, 12K, 12M, 140G, 140K, 140K 2, 140M, 160K, 2290, 2390, 2391, 2491, 2590, 3126E, 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 326D L, 328D L...
Rating:
67
Alternative (cross code) number:
CA1661781
166-1781
1661781
Caterpillar 1661781 GASKET
Weight: 0.03 pounds 0 kg.

Buy GASKET 1661781 Caterpillar genuine, new aftermarket tractor parts with delivery
ASPHALT PAVER, WHEELED EXCAVATOR,

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$24.12

16 Jul 2025

US: KMP BRAND
166-1781 GASKET, FRONT HOUSING COVER Suitable For Caterpillar® 1661781
KMP BRAND Suitable for Caterpillar
$52.79

23 Apr 2025

US: XBGE11
Replacement for fits 1661781 Gasket Fits Caterpillar Models
YATHTGUYE
$21.29

09 Mar 2025

US: KMP BRAND
166-1781 GASKET, FRONT HOUSING COVER Suitable For Caterpillar® 1661781
KMP BRAND Suitable for Caterpillar
Number on catalog scheme: 3
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Compatible equipment models: 1661781:

ASPHALT PAVER  AP-1055D   AP-755   BG-2455D   BG-260D  
CHALLENGER  MTC735  
COLD PLANER  PM-102  
FORWARDER  584  
INDUSTRIAL ENGINE  C-9   C7   C9   C9.3  
INTEGRATED TOOLCARRIER  IT62H  
MARINE ENGINE  C7  
MOBILE HYD POWER UNIT  324D LN   325D   325D L   329D L   330C   330D   330D L   336D L  
PETROLEUM ENGINE  C7   C9  
PETROLEUM PACKAGE  CX31-C9I  
PETROLEUM TRANSMISSION  TH31-E61  
SOIL COMPACTOR  815B  
TRACK LOADER  973C   973D  
TRACK-TYPE TRACTOR  D6R   D6R II  
TRUCK ENGINE  3126E   C7   C9  
WHEEL FELLER BUNCHER  573  
WHEEL LOADER  950H   962H  
WHEEL SCRAPER  627G   637D   637G  
WHEEL SKIDDER  525C   535C   545C  
WHEEL TRACTOR  627G   637G  
WHEELED EXCAVATOR  M330D   Caterpillar

Information:

SEBE8192 October 28, 2002
U-282
O-230
Priority PRODUCT IMPROVEMENT PROGRAM FOR CORRECTINGA SOFTWARE ERROR FOR CUSTOMER COMMUNICATIONS MODULE (CCM) USED ON CERTAING3516, G3516B, G3520B, G3520C, G3606, G3608, G3612, AND G3616 GAS ENGINES
1900 PI30411
This Program must be administered assoon as possible. When reporting the repair, use "PI30411" as the Partnumber and "7751" as the Group Number, "56" as the Warranty Claim DescriptionCode and "T" as the SIMS Description Code. Exception: If the repair isdone after failure, use "PI30411" as the Part Number, "7751" as the GroupNumber, "96" as the Warranty Claim Description Code, and "Z" as the SIMSDescription Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst.
COMPLETION DATE
TERMINATION DATE
April 30, 2003 October 31, 2003PROBLEM
Customer communications module, CCM, part number1883080-00 and 1883080-01 contains a software error which may result inincorrect data under certain conditions. This letter only pertains to changelevel 00 and 01. The complete part number is located on the bottom of themounting bracket. See Illustration attachment.AFFECTED PRODUCT
Model Identification Number
G3516 7EZ301-320
G3516B CEY153-160
G3520B BGW125-135
G3520C GDB3-10
G3606 4ZS281-291
G3608 BEN208-216
G3612 BKE192-209
G3616 BLB163-180PARTS NEEDED
No parts needed.
ACTION REQUIRED
See the attached Rework Procedure.OWNER NOTIFICATION
U.S. and Canadian owners will receive the attachedOwner Notification.SERVICE CLAIM ALLOWANCES
***** Affected Product *****
Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts LaborHrs Parts LaborHrs
100% 1.0 0 0 0 0
This is a 1.0- hour job. U.S. and Canadian Dealers Only - Eligibledealers may enter a Type 2 SIMS ReportPARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAMAS SOON AS POSSIBLE.Attach. (1- Owner Notification)
(2- Rework Procedure)
(3- Illustrations)COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999PRIORITY - PRODUCT IMPROVEMENT PROGRAM FORUPDATING SOFTWAREMODELS INVOLVED - CERTAIN G3516, G3516B, G3520B,G3520C, G3606, G3608, G3612, AND G3616 GAS ENGINESDear Caterpillar Product Owner:If your engine is equipped with a customercommunications module it contains a software error, and may not communicateor may provide incorrect data. New software needs to be installed on theproducts listed below. You will not be charged for the service performed.Contact your local Caterpillar dealer immediatelyto schedule this service. The dealer will advise you of the time requiredto complete this service. Please refer the dealer to their Service Letterdated October 28, 2002 when scheduling this service.We regret the inconvenience this may causeyou, but urge you to have this service performed as soon as possible toprevent unscheduled downtime.Caterpillar Inc.
Identification #(s)Attached to October 28, 2002 Service LetterRework Procedure
Updating the 1883080 CCM module, changes 00& 01, to the latest software, change level -02
The CCM updating procedure does notuse the same equipment or programs as normally used for flashing softwarein other Caterpillar electronic controls. The following procedure mustbe followed as documented:Equipment Needed:
A computer (PC) with a Microsoft Windows basedoperating system. Tested operating systems are Windows 3.1, Windows 95,Windows NT 4.0, and Windows 2000.
A self extracting file 1883080.exe containingthe IO program (io.exe) and support files: io.cfg, io.prg, encrypt.tbl,key.prg, swpn.prg including a readme file and the new update software file,1883080.brn.
The new software file updating the CCM is 18830843.brn. This is not an engine flash file and is not

Cat SIS web machinery list:

Caterpillar parts catalog
3516C Generator Set PXY00001-UP
C9 Truck Engine 9DG00001-UP
C-9 Industrial Engine CLJ00001-UP
3126E Truck Engine CKM00001-UP
C-9 Industrial Engine For Claas Combine Applications CLJ00001-UP
3126E Truck Engine HEP00001-UP
C-12 Truck Engine MBL00001-UP
C7 On-highway Engine KAL00001-UP
C7 Engine for Combat and Tactical Vehicles FML00001-UP
C9 Industrial Engine JSC00001-UP
C7 On-highway Engine YPG00001-UP
C9 Industrial Engine MBD00001-UP
C7 Industrial Engine JTF00001-UP
C7 Industrial Engine JRA00001-UP
C7 Petroleum Engine C7P00001-UP
C7 Marine Engine C7D00001-UP
C7 Marine Engine C7Z00001-UP
C7 On-highway Engine NPH00001-UP
C7 On-highway Engine LBM00001-UP
C7 Engine For Combat and Tactical Vehicles RMF00001-UP
C9 Petroleum Engine KLW00001-UP
C7 Petroleum Engine K2A00001-UP
C7 Military Engine JRT00001-UP POWERED BY C7 Engine
TH31-C9I Petroleum Package JSC00001-UP POWERED BY C9 Engine
C7 Engine for Combat and Tactical Vehicles JKL00001-UP
CX31-C9I Petroleum Power Train Packaging JSC00001-UP
TH31-C9P Petroleum Power Train Package KLW00001-UP POWERED BY C9 Engine
C7 Petroleum Mechanical Package C7P00001-UP POWERED BY C7 Engine
AP-1000D, BG-260D Asphalt Paver BPW00001-UP (MACHINE) POWERED BY C-7 Engine
AP-1055D, BG-2455D Mobil Track Asphalt Paver BXW00001-UP (MACHINE) POWERED BY C7 Engine
AP-1055D, BG-2455D Steel Track Asphalt Paver A6P00001-UP (MACHINE) POWERED BY C7 Engine
C7 Caterpillar Engine For PM102 Cold Planer Z2X00001-UP (MACHINE) POWERED BY C7 Engine
AP755 Asphalt Paver B3T00001-UP (MACHINE) POWERED BY C7 Engine
AP1055 F Asphalt Paver TJ500001-UP (MACHINE) POWERED BY C7.1 Engine
AP1000 F Asphalt Paver AC400001-UP (MACHINE) POWERED BY C7.1 Engine
AP1055 F Asphalt Paver RLM00001-UP (MACHINE) POWERED BY C7.1 Engine
815B Soil Compactor 17Z00001-UP (MACHINE) POWERED BY 3306 Engine
140G Motor Grader 72V10334-UP (MACHINE) POWERED BY 3306 Engine
C-9 Caterpillar Engine for AGCO Challenger 81200001-UP (MACHINE)
12H Motor Grader AMZ00001-UP (MACHINE) POWERED BY C-9 Engine
12H Motor Grader CBK00001-UP (MACHINE) POWERED BY C-9 Engine
TK721 Track Feller Buncher 10200001-UP (MACHINE) POWERED BY C-9 Engine
TK722 Track Feller Buncher 10300001-UP (MACHINE) POWERED BY C-9 Engine
TK732 Track Feller Buncher 10400001-UP (MACHINE) POWERED BY C-9 Engine
12H Motor Grader 12500001-UP (MACHINE) POWERED BY C-9 Engine
TK711 Track Feller Buncher 10100001-UP (MACHINE) POWERED BY C-9 Engine
TK741 Track Feller Buncher 20200001-UP (MACHINE) POWERED BY C-9 Engine
TK751 Track Feller Buncher 30100001-01114 (MACHINE) POWERED BY C-9 Engine
TK752 Track Feller Buncher 30200001-UP (MACHINE) POWERED BY C-9 Engine
C9 Industrial Engine JSC00001-UP
IT62H Integrated Toolcarrier M5G00001-UP (MACHINE) POWERED BY C7 Engine
140M Motor Grader B9M00001-UP (MACHINE)
C7 Industrial Engine JTF00001-UP
12M Motor Grader B9200001-UP (MACHINE) POWERED BY C7.2 Engine
511 Track Feller Buncher 51100001-UP (MACHINE) POWERED BY C-9 Engine
521 Track Feller Buncher 52100001-UP (MACHINE) POWERED BY C-9 Engine
522 Track Feller Buncher 52200001-UP (MACHINE) POWERED BY C-9 Engine
532 Track Feller Buncher 53200001-UP (MACHINE) POWERED BY C-9 Engine
541 Track Feller Buncher 54100001-UP (MACHINE) POWERED BY C-9 Engine
551 Track Feller Buncher 55100001-UP (MACHINE) POWERED BY C-9 Engine
552 Track Feller Buncher 55200001-UP (MACHINE) POWERED BY C-9 Engine
140M Motor Grader B9D00001-UP (MACHINE)
12K Motor Grader JJA00001-UP (MACHINE) POWERED BY C7 Engine
120K Motor Grader SZN00001-UP (MACHINE) POWERED BY C7 Engine
160K Motor Grader JBP00001-UP (MACHINE) POWERED BY C7 Engine
120K Motor Grader JAP00001-UP (MACHINE) POWERED BY C7 Engine
12K Motor Grader SZP00001-UP (MACHINE) POWERED BY C7 Engine
140K Motor Grader SZL00001-UP (MACHINE) POWERED BY C7 Engine
160K Motor Grader SZM00001-UP (MACHINE) POWERED BY C7 Engine
140K Motor Grader JPA00001-UP (MACHINE) POWERED BY C7 Engine
140M Motor Grader - All Wheel Drive B9G00001-UP (MACHINE) POWERED BY C9 Engine
140M Motor Grader - All Wheel Drive D9G00001-UP (MACHINE) POWERED BY C9 Engine
160M Motor Grader - All Wheel Drive B9T00001-UP (MACHINE) POWERED BY C9 Engine
160M Motor Grader - All Wheel Drive D9T00001-UP (MACHINE) POWERED BY C9 Engine
160M Series 2 MOTOR GRADER R9L00001-UP (MACHINE) POWERED BY C9 ENGINE
140M Series 2 Motor Grader R9M00001-UP (MACHINE) POWERED BY C9 Engine
160M Series 2 MOTOR GRADER R9T00001-UP (MACHINE)
160M Series 2 Motor Grader - All Wheel Drive M9K00001-UP (MACHINE) POWERED BY C9.3 Engine
2390 Track Feller Buncher P3H00001-UP (MACHINE)
2391 Track Feller Buncher P4K00001-UP (MACHINE) POWERED BY C-9 Engine
2491 Track Feller Buncher P5J00001-UP (MACHINE) POWERED BY C9 Engine
2590 Track Feller Buncher P6B00001-UP (MACHINE) POWERED BY C9 Engine
2290 Track Feller Buncher P2D00001-UP (MACHINE) POWERED BY C9 Engine
C7 Caterpillar Engine For 573 Wheel Feller Buncher 57300001-UP (MACHINE) POWERED BY C7 Engine
541 Series 2 Track Feller Buncher F7D00001-UP (MACHINE) POWERED BY C9 Engine
521B TRACK FELLER BUNCHER F7B00001-UP (MACHINE) POWERED BY C9 Engine
522B TRACK FELLER BUNCHER F7C00001-UP (MACHINE) POWERED BY C9 Engine
552 Series 2 Track Feller Buncher F7G00001-UP (MACHINE)
584 584HD Forwarder PAK00001-UP (MACHINE) POWERED BY C7 Engine
C7 Engine Emissions Retrofit Repower Tier III For 815B Compactor, 966D/E/F, And 966F Series II Wheel Loader 17Z00001-UP (MACHINE)
C7 Engine Emissions Retrofit Repower Tier III For 140G Motor Grader 72V00001-UP (MACHINE)
120K Series 2 Motor Grader SZS00001-UP (MACHINE) POWERED BY C7 Engine


Parts gasket Caterpillar catalog:

9P4748 GASKET
815B, 824C, 826C, 834B, 836, 916, 936, 936F, 950B/950E, 950F, 950F II, 966D, 966F, 980C, 980F, 988B, D35HP, D400, D40D, IT28
7C0568 GASKET-BOTTOM COVER
120G, 12G, 130G, 140G, 140H NA, 143H, 160G, 160H NA, 163H NA, 518C, 528, 528B, 530B, 936, 936F, 950B/950E
4V8819 GASKET
814B, 815B, 824C, 826C, 834B, 836, 950B, 950F, 966D, 966F, 980C, 980F, 988B, 992C, 994
3264415 GASKET
330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 336E, 336E HVG, 336E L, 336E LN, 340D L, 340D2 L, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 34...
1772524 GASKET
1090, 1190, 1190T, 1290T, 1390, 2290, 2390, 2391, 2491, 2590, 330C, 330C FM, 330C L, 330C MH, 345B II, 345B II MH, 511, 521, 521B, 522, 522B, 532, 541, 541 2, 551, 552, 552 2, TK1051, TK711, TK721, TK...
8D9974 GASKET
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 16G, 16H, 16H NA
2P9326 GASKET
120G, 12G, 130G, 140G, 160G
3P0884 GASKET-TRANSMISSION PUMP
120G, 12G, 130G, 140G, 14G, 14H, 14H NA, 160G, 16G, 16H, 16H NA
2G9789 GASKET
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12M, 135H, 135H NA
2B3147 GASKET
120, 120B, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12E, 12F, 12G, 12H, 12H ES, 12H NA, 12K, 130G, 135H, 135H NA, 140B, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 14E, 160G, 160H, 160H ES, 1...
2G9791 GASKET
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12G, 12H, 12H ES, 12H NA, 12K, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 163H, 163H NA, 16G
3D2981 GASKET
120, 120B, 12E, 12F, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14E, 160G, 160H, 160H ...
5F3181 GASKET
120G, 12G, 130G, 140G, 14G, 14H NA, 160G, 1693, 16G, 16H NA, 212, 3192, 3508B, 416, 426, 428, 5130, 5130B, 7231, 7241, 7261, 776C, 776D, 777, 777B, 777C, 777D, 854G, 992G, 994, 994D, C9, CS-431B, CX31...
2132410 GASKET
12H, 140M, 140M 2, 160M, 160M 2, 2290, 2390, 2391, 2491, 2590, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, 511, 521...
1730428 GASKET
236, 248, 267, 287
1707668 GASKET-PLATE
236, 248, 267, 287, 3034
7M6955 GASKET
12E, 517, 527, 561B, 561C, 561D, 561M, 571G, 572G, 572R, 578, 583K, 583R, 587R, 589, 824B, 931B, 931C, 933, 935B, 939, 955H, 955L, 977H, 977K, 977L, 983, 983B, D10, D10N, D11N, D3, D320A, D330A, D4D, ...
7S2753 GASKET-SCREEN
561C, 572G, D4E SR, D5, D5B, D5E, D6C, D6D, D7F, D7G, D7G2
1914457 GASKET
12H, 140M, 140M 2, 160M, 160M 2, 2290, 2390, 2391, 2491, 2590, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, 511, 521...
2097293 GASKET
12H, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3, 160M 3 AWD, 2290, 2390, 2391, 2491, 2590, 2864C, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 3...
1950452 GASKET
12H, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3, 160M 3 AWD, 2290, 2390, 2391, 2491, 2590, 2864C, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 3...
2097290 GASKET
12H, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3, 160M 3 AWD, 2290, 2390, 2391, 2491, 2590, 2864C, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 3...
1906114 GASKET-OIL PAN
12H, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3, 160M 3 AWD, 2290, 2390, 2391, 2491, 2590, 2864C, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 3...
1871315 GASKET AS
12H, 140M, 140M 2, 160M, 160M 2, 2290, 2390, 2391, 2491, 2590, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, 511, 521...
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