PUMP GP-UNIT INJECTOR HYD 2044945 - Caterpillar



2044945 PUMP GP-UNIT INJECTOR HYD Caterpillar parts 12H, 330C, 330C FM, 330C L, 330C MH, TK711, TK721, TK722, TK732
Rating:
89
Alternative (cross code) number:
CA2044945
204-4945
2044945
Caterpillar 2044945 PUMP GP-UNIT INJECTOR HYD
Weight: 21 pounds 9 kg.

Buy PUMP GP-UNIT INJECTOR HYD 2044945 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR, TRACK FELLER BUNCHER,

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$1,824.98

17 Dec 2025

CN: BubblyHaven
Fits Compatible with Caterpillar CAT C9 Engine 204-4945 2044945 Fuel Injector Pump 330C 330C FM 330C L 330C MH Excavator
DorkTees Part Number:204-4945 2044945 || Application:Fits for Caterpillar CAT C9 Engine 330C 330C FM 330C L 330C MH Excavator || The fuel injector pump is crucial for delivering the right amount of fuel to the engine cylinders, ensuring optimal combustion. It operates at high pressure with precision, controlling fuel flow from the tank to the injectors. Malfunctions can cause poor fuel efficiency, engine misfires, and reduced performance. Regular maintenance is essential for smooth operation and longevity of the fuel system. || Attention - The application information displayed is intended for informational purposes only. It is highly recommended that you verify the part number and conduct a thorough comparison with your old parts before proceeding with the purchase. Should you have any inquiries or concerns, please do not hesitate to reach out to us. || Good Value Option-This item offers consistent performance, reliable functionality, simple installation, and quick responsiveness.
$1,769.90

17 Dec 2025

CN: JPJR
204-4945 2044945 Fuel Injection Pump for Caterpillar C9 Engine 330C 330CL 330CLN 330CMH 330CFM Excavator TK711 TK722 TK721 TK732 Forest Products 12H Motor Grader
Exquilic ????Replace Part Number: 204-4945, 2044945. || ????Compatible Model: For Caterpillar C9 Engine 330C 330CL 330CLN 330CMH 330CFM Excavator TK711 TK722 TK721 TK732 Forest Products 12H Motor Grader. || ????Efficient And Stable: Using advanced technology, it can provide efficient and stable fuel supply to ensure the normal operation of the vehicle. || ????Durable And Reliable: Tested and proven many times, it has a long life and reliable quality to keep working under extreme conditions. || ????Easy Installation: standard interface design, easy installation, plug and play, no professional skills required.
$1,869.98

06 Nov 2025

CN: BubblyHaven
Fuel Injection Pump Compatible with Caterpillar C9 Engine 330C 330CL 330CLN 330CMH 330CFM Excavator TK711 TK722 TK721 TK732 Forest Products 12H Motor Grader 204-4945 2044945
DorkTees Part Number: 204-4945, 2044945. || Compatible Model: For Caterpillar C9 Engine 330C 330CL 330CLN 330CMH 330CFM Excavator TK711 TK722 TK721 TK732 Forest Products 12H Motor Grader. || Reliable and Efficient: Utilizing cutting-edge technology, this system delivers a consistent and efficient fuel supply, ensuring optimal performance and longevity for your vehicle. || Sturdy and Dependable: With numerous tests and validations, this product has a strong build and consistent performance, ensuring reliable operation even in challenging environments. || Convenient Setup: featuring a user-friendly standard interface design, this product ensures a hassle-free installation process. Simply plug in and play without the need for any specialized technical skills.
Number on catalog scheme: 6
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Compatible equipment models: 2044945:

MOBILE HYD POWER UNIT  330C  
MOTOR GRADER  12H  
TRACK FELLER BUNCHER  TK711   TK721   TK722   TK732   Caterpillar

Caterpillar parts catalog:

Caterpillar parts catalog
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
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
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
330C L Material Handler MKM00001-UP (MACHINE) POWERED BY C-9 Engine
330C & 330C L Excavators JCD00001-UP (MACHINE) POWERED BY C-9 Engine
330C Forest Swing Machine B3M00001-UP (MACHINE) POWERED BY C-9 Engine
330C Mobile Hydraulic Power Unit MSL00001-UP (MACHINE) POWERED BY C-9 Engine


Information:


Illustration 1 g03546757
(A) Diameter of the piston over two lands ... 177.30 0.05 mm (6.980 0.002 inch) (B) Bore of cylinder ... 177.85 0.10 mm (7.002 0.004 inch) (C) Diameter of rod ... 88.850 0.038 mm (3.4980 0.0015 inch) (D) Bore of the head, which includes four lands ... 91.98 0.03 mm (3.621 0.001 inch) (1) 271-2105 Position Sensor Gp ReferenceFor more information on the 271-2105 Position Sensor Gp, refer to the "Position Sensor (Steering Cylinder)" story in the Specifications manual for this machine. (2) Torque for retaining ring ... 35 5 N m (26 4 lb ft) (3) Lubricate the threads of the nut with clean grease. Torque for the nut ... 6000 500 N m (4425 369 lb ft) (4) Apply LoctiteR Retaining Compound 609TM to the groove for the wiper seal prior to assembly. (5) Lubricate the sealing lips with a small amount of the lubricant that is being sealed. (6) Apply LoctiteR Hi Temp Flang Sealant to the bottom of the connector plate before assembly. (7) Torque for the bolt ... 47 9 N m (35 7 lb ft) (8) Torque for the socket setscrew ... 25 6 N m (18 4 lb ft)

Parts pump Caterpillar catalog:

2835992 PUMP GP-GEAR
330C, 330C FM, 330C L, 330C MH
1694883 PUMP GP-PISTON
120H, 12H, 135H, 140H, 143H, 160H, 163H
2105522 PUMP AS-ENGINE OIL
12H, 140M, 160M, 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, 511, 521, 522, 532, 541, 551, 552, 627G, 637D, 637E, 637G...
3318905 PUMP AS-ENGINE OIL
12H, 140M, 140M 2, 160M, 160M 2, 2290, 2390, 330C, 330C L, 330D, 330D FM, 330D L, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 L, 340D L, 340D2 L, 511, 521, 521B, 522, 522B, 532, 541, 541 2, 552, 552 ...
1782357 PUMP GP-FUEL TRANSFER
324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325D, 325D FM, 325D FM LL, 325D L, 325D MH, 328D LCR, 329D L, 330C, 330C L, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 584, 627G, 637D, 637G, 81...
1878985 PUMP AS-WATER
330C, 330C FM, 330C L, 330C MH, C-9
1832823 PUMP AS-FUEL PRIMING
120H, 120H NA, 135H, 135H NA, 3114, 3116, 320B, 320D GC, 320D L, 322B L, 322B LN, 322C, 322C FM, 323D L, 324D, 324D L, 324D LN, 325B L, 325C, 325D, 325D L, 326D L, 328D LCR, 329D, 329D L, 329D LN, 330...
7T8891 PUMP AS-WASHER
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, 14G, 14H, 14H NA, 160H, 160H ES, 160H NA, 160K, 163H, ...
7T8890 PUMP AS WASHER
120M, 120M 2, 12M, 140M, 140M 2, 14M, 160M, 160M 2, 16M, 215B, 215C, 215D, 219D, 225, 225D, 227, 229, 229D, 231D, 235B, 235C, 235D, 245, 245B, 245D, 311B, 311D LRR, 312, 312B L, 312C L, 312D, 312D L, ...
10R1984 PUMP AS-ENGINE OIL
12H, 330C, 330C FM, 330C L, 330C MH, 627G, 637G, D6R II
2742491 PUMP GP-GEAR
330C, 330C FM, 330C L, 330C MH, 345B II, 345B II MH, W345B II
2223769 PUMP GP-METERING
120H, 120K, 120K 2, 12H, 12H NA, 12K, 135H, 140H, 140H NA, 140K, 140K 2, 143H, 160H, 160H NA, 160K, 163H
1965842 PUMP GP-HAND
533, 543, HA770, HA771, HA870, HA871, TK370, TK371, TK380, TK381
3190676 PUMP GP-UNIT INJECTOR HYD
12H, 330C FM, 330C L, 330C MH, TK711, TK732, TK741, TK751, TK752
3120676 PUMP GP-UNIT INJECTOR HYD
12H, TK711, TK732, TK741, TK751, TK752
3040676 PUMP GP-UNIT INJECTOR HYD
12H, TK711, TK732, TK741, TK751, TK752
2954776 PUMP GP-UNIT INJECTOR HYD
12H, 330C, 330C L, TK711, TK732, TK741, TK751, TK752
2316688 PUMP-WATER
1090, 1190, 1190T, 120M, 1290T, 1390, 2290, 2390, 2391, 2491, 2590, 511, 521, 521B, 522, 522B, 532, 541, 541 2, 551, 552, 552 2, TK711, TK721, TK722, TK732, TK741, TK751, TK752
2544356 PUMP GP-UNIT INJECTOR HYD
12H, 330C, 330C FM, 330C L, 330C MH, TK711, TK721, TK722, TK732, TK741, TK751, TK752