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BELT TENSIONER 1900643 - Caterpillar


1900643 BELT TENSIONER Caterpillar parts 120H, 12H, 135H, 2290, 2390, 2391, 2491, 2590, 3126B, 322C, 322C FM, 325C, 325C FM, 325D L, 329D L, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D...
Rating:
96
Alternative (cross code) number:
CA1900643
190-0643
1900643
Caterpillar 1900643 BELT TENSIONER
Weight: 3 pounds 1 kg.

Buy BELT TENSIONER 1900643 Caterpillar genuine, new aftermarket tractor parts with delivery
CHALLENGER, WHEELED EXCAVATOR,

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$83.48

01 Oct 2025

US: KMP BRAND
190-0643 1 BELT TENSIONER Caterpillar
KMP BRAND

01 Oct 2025

Belt Tensioner 190-0643 for Caterpillar CAT Engine C9 C13 Excavator 322C 325C 329DL 330C 336D 336D2 345B 365B
HOMISIA Part number: CA1900643, 190-0643, 1900643, 144-1102, 1441102, CA1441102 || ​​​​​​​Application:for Caterpillar CAT Engine C9 C13 Excavator 322C 325C 329DL 330C 336D 336D2 345B 365B
$109.59

01 Sep 2025

US: THREETREES
Threetrees 1693232 1900643 Belt Tensioner Fits Caterpillar 330C 325C C7 C9, 1206659 1352151
THREETREES 1693232 1900643 Belt Tensioner Fits Caterpillar 330C 325C C7 C9, 1206659 1352151
Number on catalog scheme: 1
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Compatible equipment models: 1900643:

CHALLENGER  MTC835  
INDUSTRIAL ENGINE  3126B   C-9   C13   C15   C18   C9  
INTEGRATED TOOLCARRIER  IT38G II   IT62G II   IT62H  
LOGGER  322C  
MOBILE HYD POWER UNIT  325C   330C   330D   330D L   336D L  
MOTOR GRADER  120H   12H   135H  
PETROLEUM ENGINE  C13   C9  
PETROLEUM PACKAGE  CX31-C13I   CX31-C9I   TH35-C13I  
PETROLEUM TRANSMISSION  TH31-E61  
PIPELAYER  561N  
TRACK LOADER  953C   963C  
TRACK-TYPE TRACTOR  D5N   D6N   D9T  
TRUCK ENGINE  C15   C7   C9  
VIBRATORY COMPACTOR  CP-44   CP-56   CP-64   CP-76   CS-44   CS-56   CS-64   CS-74  
WHEEL HARVESTER  570B  
WHEEL SCRAPER  637D  
WHEELED EXCAVATOR  M325C MH   M330D   W345B II   Caterpillar

Information:

Two Driver ID's
The Caterpillar 3176B, C-10, C-12, 3406E, C-15, and C-16 Engine's ECM can maintain information for two Driver ID's at the same time. The ECM will separately store Fleet Trip Information for each of the two drivers. This function is ideally suited for slip seat or team driving. It could also be used by the same driver to track vehicle operation over two legs of a trip (a single driver would use two Driver ID's to identify the different legs of the trip). The Driver ID should be selected or entered before driving the vehicle.The Fleet Trip information, for each of the two drivers, is unavailable for display on the Cat ID. This information is only available by using the Caterpillar Fleet Information Software program.Entering A New Driver ID
A maximum of two Driver ID's can be used for each Fleet Trip Segment. If two Driver ID's have already been entered, and a third (and different) ID is now desired, the Fleet Trip Segment must first be reset. When the Fleet Trip Segment is reset, the Driver ID's are cleared.
Entering a New Driver IDHolding the key (Up or Down arrow) causes the display to fast scroll through the available characters in the specified direction. The right arrow key moves to the adjacent right cursor location. A Driver ID can have a maximum of 16 characters, and a minimum of one character.This information is not available for earlier Caterpillar 3176, 3406B, or 3406C, and all Detroit Diesel, Cummins, or Mack Engines.Selecting a Previously Entered ID
If a Driver ID has previously been entered during the current Fleet Trip Segment, select the entry as indicated below without re-entering the ID.
Selecting a Previously Entered Driver IDFrom the DRIVER ENTRY title screen, press the Down arrow key and the SELECT DRIVER ID screen is shown. Press the Left arrow key and one of the two previously entered Driver ID's will be shown. If an ID has not been previously entered, a NO DRIVER ID'S ENTERED! message will appear. Pressing the Down arrow key will show the other (if entered) Driver ID. Press the Left arrow key to select a Driver ID as the active driver.

Cat SIS web machinery list:

Caterpillar parts catalog
3126B Industrial Engine BEJ00001-UP
C-9 Industrial Engine CLJ00001-UP
3126B Industrial Engine DCS00001-UP
C15 On-highway Engine BXS00001-UP
C9 Military Vehicle Engine CKP00001-UP
C7 On-highway Engine KAL00001-UP
C13 Industrial Engine LGK00001-UP
C9 Industrial Engine JSC00001-UP
C7 On-highway Engine YPG00001-UP
C15 On-Highway Truck MXS00001-UP
C18 Industrial Engine EJG00001-UP
C15 Industrial Engine JAS00001-UP
C15 Engine for Combat and Tactical Vehicles BS900001-UP POWERED BY C15 Engine
C7 On-highway Engine LBM00001-UP
C15 Euro III Truck Engine RKS00001-UP
C13 Petroleum Engine A5K00001-UP
C9 Petroleum Engine KLW00001-UP
TH35-C13I Petroleum Power Train Package LGK00001-UP POWERED BY C13 Engine
TH31-C9I Petroleum Package JSC00001-UP POWERED BY C9 Engine
CX31-C13I Petroleum Powertrain Package LGK00001-UP
CX31-C9I Petroleum Power Train Packaging JSC00001-UP
TH31-C9P Petroleum Power Train Package KLW00001-UP POWERED BY C9 Engine
CS74 CP74 Vibratory Soil Compactor C8S00001-UP (MACHINE) POWERED BY C6.6 Engine
CS56 CP56 Vibratory Soil Compactor C5P00001-UP (MACHINE) POWERED BY C6.6 Engine
CS64 CP64 Vibratory Soil Compactor C6P00001-UP (MACHINE) POWERED BY C6.6 Engine
CS56 CP56 Vibratory Compactor FCP00001-UP (MACHINE) POWERED BY C6.6 Engine
CS64 CP64 Vibratory Compactor C7F00001-UP (MACHINE) POWERED BY C6.6 Engine
CS74 CP74 Vibratory Compactor C8F00001-UP (MACHINE) POWERED BY C6.6 Engine
CS76 CP76 Vibratory Compactor JCP00001-UP (MACHINE) POWERED BY C6.6 Engine
CS76 XT CP76 Vibratory Compactor C7L00001-UP (MACHINE) POWERED BY C6.6 Engine
CS44 CP44 Vibratory Soil Compactor M4P00001-UP (MACHINE) POWERED BY C4.4 Engine
CS44 CP44 Vibratory Soil Compactor M4C00001-UP (MACHINE) POWERED BY C4.4 Engine
Custom Support Literature for the 322C FM LGP BYL00001-UP (MACHINE)
C-12, C-15, C-16 Caterpillar Engines For AGCO Challenger 81600001-UP (MACHINE)
12H Motor Grader AMZ00001-UP (MACHINE) POWERED BY C-9 Engine
12H Motor Grader CBK00001-UP (MACHINE) POWERED BY C-9 Engine
120H Motor Grader ALZ00001-UP (MACHINE) POWERED BY 3126B Engine
135H Motor Grader AMX00001-UP (MACHINE) POWERED BY 3126B Engine
570B Harvester CKG00001-UP (MACHINE) POWERED BY 3126B Engine
IT62G II Integrated Toolcarrier AYA00001-UP (MACHINE) POWERED BY 3126B Engine
IT38G II Integrated Toolcarrier CSX00001-UP (MACHINE) POWERED BY 3126B Engine
120H Motor Grader CAF00001-UP (MACHINE) POWERED BY 3126B Engine
135H Motor Grader CBC00001-UP (MACHINE) POWERED BY 3126B Engine
561N Pipelayer CPH00001-UP (MACHINE) POWERED BY 3126B Engine
120H Motor Grader 12400001-UP (MACHINE) POWERED BY 3126B 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
IT38G II Integrated Toolcarrier JAN00001-UP (MACHINE) POWERED BY 3126B 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
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
CS56 Soil Compactor - Military JMM00001-UP (MACHINE) POWERED BY C6.6 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)
336D2 L Excavator MBP00001-UP (MACHINE) POWERED BY C9 Engine
336D2 L OEM GGH00001-UP (MACHINE) POWERED BY C9 Engine
336D2 L OEM EF300001-UP (MACHINE) POWERED BY C9 Engine
336D2 L Excavator DGR00001-UP (MACHINE) POWERED BY C9 Engine
336D2 L Excavator TMC00001-UP (MACHINE) POWERED BY C9 Engine
325C LCR Mobile Hydraulic Power Unit BKW00001-UP (MACHINE) POWERED BY 3126B Engine
330C Excavator MSD00001-UP (MACHINE) POWERED BY C-9 Engine
330D Custom Waste Handler JJM00001-UP (MACHINE) POWERED BY C9 Engine
345B and 345B L Excavators 4SS00001-UP (MACHINE)
345B, 345B L & 345B LC Excavator 2SW00001-UP (MACHINE) POWERED BY 3176C Engine
345B Excavator 2NW00001-UP (MACHINE) POWERED BY 3176C Engine
365B L Excavators 9PZ00001-UP (MACHINE) POWERED BY 3196 Engine
365B L Excavator AGD00001-UP (MACHINE) POWERED BY 3196 Engine
345B L Series II Excavators AGS00001-UP (MACHINE) POWERED BY 3176C Engine
345B Series II Material Handler APB00001-UP (MACHINE) POWERED BY 3176C Engine
W345B Series II Material Handlers ANJ00001-UP (MACHINE) POWERED BY 3176C Engine
345B & 345B L Series II Excavators AKJ00001-UP (MACHINE) POWERED BY 3176C Engine
345B Series II Excavators ALD00001-UP (MACHINE) POWERED BY 3176C Engine
325C L & 325C LN Excavator CRB00001-UP (MACHINE) POWERED BY 3126 Engine
330C L & 330C LN Excavators CAP00001-UP (MACHINE) POWERED BY C-9 Engine
330C & 330C L Excavators GKX00001-UP (MACHINE) POWERED BY C-9 Engine
325C & 325C L Excavators AMH00001-UP (MACHINE) POWERED BY 3126B Engine
325C & 325C L Excavators BKW00001-UP (MACHINE) POWERED BY 3126B Engine
345B Series II Material Handler DET00001-UP (MACHINE) POWERED BY 3176C Engine
325C FOREST SWING MACHINES G1L00001-UP (MACHINE) POWERED BY 3126B Engine
345B Series II Excavator CCC00001-UP (MACHINE) POWERED BY 3176C Engine
345B Series II Excavator DCW00001-UP (MACHINE) POWERED BY 3176 Engine
365B L Material Handler CTY00001-UP (MACHINE) POWERED BY 3196 Engine
325C L Excavator BFE00001-UP (MACHINE) POWERED BY 3126B Engine
330C & 330C L Excavators JAB00001-UP (MACHINE) POWERED BY C-9 Engine
330C L Excavator DKY00001-UP (MACHINE) POWERED BY C-9 Engine
330C L Excavator CYA00001-UP (MACHINE) POWERED BY C-9 Engine
330C Hydraulic Material Handler D3C00001-UP (MACHINE) POWERED BY C-9 Engine
330C Forest Swing Machines B4N00001-UP (MACHINE) POWERED BY C-9 Engine
330C Forest Swing Machines B1K00001-UP (MACHINE) POWERED BY C-9 Engine
365B Series II Excavator DER00001-UP (MACHINE) POWERED BY 3196 Engine
365B Series II Excavator CFJ00001-UP (MACHINE) POWERED BY 3196 Engine
322C & 322C L Excavators DAA00001-UP (MACHINE) POWERED BY 3126 Engine
325C Material Handler S2C00001-UP (MACHINE) POWERED BY 3126 Engine
322C L, 322C LN Hydraulic Excavators EMR00001-UP (MACHINE) POWERED BY 3126 Engine
325C Material Handler DTF00001-UP (MACHINE) POWERED BY 3126 Engine
330C L Material Handler MKM00001-UP (MACHINE) POWERED BY C-9 Engine
325C & 325C L Excavators JLC00001-UP (MACHINE) POWERED BY 3126 Engine
330C & 330C L Excavators JCD00001-UP (MACHINE) POWERED BY C-9 Engine
322C L Hydraulic Excavator HEK00001-UP (MACHINE) POWERED BY 3126B Engine
365B Series II Excavator JMB00001-UP (MACHINE) POWERED BY 3196 Engine
365B Material Handler SDL00001-UP (MACHINE) POWERED BY 3196 Engine
330C Forest Swing Machine B3M00001-UP (MACHINE) POWERED BY C-9 Engine
322C Forest Swing Machine M2H00001-UP (MACHINE) POWERED BY 3126B Engine
365B L U Front Shovel Excavator PEG00001-UP (MACHINE) POWERED BY 3196 Engine
322C Forest Swing Machines C3R00001-UP (MACHINE) POWERED BY 3126B Engine
M325C Material Handler PAN00001-UP (MACHINE) POWERED BY 3126B Engine
330D & 330D L Excavators EDX00001-UP (MACHINE) POWERED BY C9 Engine
330D L & 330D N Hydraulic Excavator GGE00001-UP (MACHINE) POWERED BY C-9 Engine
330D Material Handler (HCR & FCR) C5K00001-UP (MACHINE) POWERED BY C9 Engine
330D L Excavator MWP00001-UP (MACHINE) POWERED BY C9 Engine
330D L Excavator T2Y00001-UP (MACHINE) POWERED BY C-9 Engine
330D Material Handler PEL00001-UP (MACHINE) POWERED BY C9 Engine
330D Forest Swing Machine L2K00001-UP (MACHINE) POWERED BY C9 Engine
330D Forest Swing Machine H3K00001-UP (MACHINE) POWERED BY C9 Engine
330D Forest Swing Machine E4K00001-UP (MACHINE) POWERED BY C9 Engine
330D L Excavators B6H00001-UP (MACHINE) POWERED BY C9 Engine
330D & 330D L Excavators EAH00001-UP (MACHINE) POWERED BY C9 Engine
330D L Mobile Hydraulic Power Unit D3D00001-UP (MACHINE) POWERED BY C9 Engine
330D Excavator ERN00001-UP (MACHINE) POWERED BY C-9 Engine
330D L Excavator HAS00001-UP (MACHINE) POWERED BY C9 Engine
M330D Excavator KRE00001-UP (MACHINE) POWERED BY C9 Engine
330C Mobile Hydraulic Power Unit MSL00001-UP (MACHINE) POWERED BY C-9 Engine
325C Mobile Hydraulic Power Unit MSG00001-UP (MACHINE) POWERED BY 3126B Engine
325D L Excavator JCL00001-UP (MACHINE) POWERED BY C7 Engine
330D L Excavator MAG00001-UP (MACHINE) POWERED BY C9 Engine
330D L Mobile Hydraulic Power Unit H3D00001-UP (MACHINE) POWERED BY C9 Engine
330D L Excavator LRM00001-UP (MACHINE) POWERED BY C9 Engine
330D L Excavator R2D00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator W3K00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator J2F00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator WET00001-UP (MACHINE) POWERED BY C9 Engine
336D L & 336D LN Excavator KDJ00001-UP (MACHINE) POWERED BY C9 Engine
329D L Excavator LGN00001-UP (MACHINE) POWERED BY C7 Engine
336D & 336D L Excavators KKT00001-UP (MACHINE) POWERED BY C9 Engine
336D & 336D L Excavators JBT00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavators M4T00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator JBF00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator DTS00001-UP (MACHINE) POWERED BY C9 Engine
336D & 336D L Excavators PGW00001-UP (MACHINE) POWERED BY C9 Engine
336D L & 336D LN Excavators MYG00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator LMG00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator JWR00001-UP (MACHINE) POWERED BY C9 Engine
336D & 336D L Mobile Hydraulic Power Units M3M00001-UP (MACHINE) POWERED BY C9 Engine
340D L Excavator JTN00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator PTB00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator MDS00001-UP (MACHINE) POWERED BY C9 Engine
336D L Excavator ZML00001-UP (MACHINE) POWERED BY C9 Engine
336D L Mobile Hydraulic Power Unit L5X00001-UP (MACHINE) POWERED BY C9 Engine
336D L Mobile Hydraulic Power Unit J6D00001-UP (MACHINE) POWERED BY C9 Engine
336D L Mobile Hydraulic Power Unit JRX00001-UP (MACHINE) POWERED BY C9 Engine
336D LN Mobile Hydraulic Power Unit L5K00001-UP (MACHINE) POWERED BY C9 Engine
336D2 & 336D2 L Excavators TLY00001-UP (MACHINE) POWERED BY C9 Engine
336D2 & 336D2 L Excavators EFT00001-UP (MACHINE) POWERED BY C9 Engine
336D2 & 336D2 L Excavators WDC00001-UP (MACHINE) POWERED BY C9 Engine
336D2 L Excavator ZCT00001-UP (MACHINE) POWERED BY C9 Engine
340D2 L Excavator HHK00001-UP (MACHINE) POWERED BY C9 Engine
3176 Engine Rebuild Kit & Related Parts for 345B & 345B, W345B Series II Excavator 2NW00001-UP (MACHINE)
3176 Engine Rebuild Kit & Related Parts for 345B & 345B Series II Excavator 2ZW00001-UP (MACHINE)
3176 Engine Rebuild Kit & Related parts for 345B & 345B Series II Excavator 2SW00001-UP (MACHINE)
C-9 Engine Rebuild Kit & Related Parts for 330C Excavator BTM00001-UP (MACHINE)
336D2 XE &336D2 LXE Excavators MFA00001-UP (MACHINE) POWERED BY C9 Engine
336D2 GC Excavator NBN00001-UP (MACHINE) POWERED BY C9 Engine
340D2 L Mobile Hydraulic Power Unit DC800001-UP (MACHINE) POWERED BY C9 Engine
336D2 L Excavator LAM00001-UP (MACHINE) POWERED BY C9 Engine
340D2 L Excavator JEE00001-UP (MACHINE) POWERED BY C9 Engine
336D2 L Excavators GJA00001-UP (MACHINE) POWERED BY C9 Engine
336D2, 336D2 L & 336D2 GC Excavators FAJ00001-UP (MACHINE) POWERED BY C9 Engine
336D2 XE & 336D2 LXE Excavators LBX00001-UP (MACHINE) POWERED BY C9 Engine


Parts belt Caterpillar catalog:

2884641 BELT-SERPENTINE
924H, 924HZ, 928H, 928HZ
2173031 BELT-SERPENTINE
938G II, 950H, 962H, IT38G II, IT62H
1851911 BELT-SERPENTINE
950G II, 962G II, CB-54B, CS-56B, CS-68B, CS-74B, CS-78B, CW-34
2679281 BELT-SERPENTINE
CP-56, CP-64, CP-76, CS-64, CS-74
1441102 BELT TIGHTENER
325C, 345B, 345B II, 345B L, 570B, 580B
2395944 BELT-SERPENTINE
345B, 345B II, 345B II MH, 345B L, 365B, 365B II, 365B L, W345B II
1722245 BELT-SERPENTINE
C11, C13, C7, C9, CX31-C13I, CX31-C9I, TH31-E61, TH35-C11I, TH35-C13I, TK1051
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