PUMP GP-GEAR 1731203 - Caterpillar

1731203 PUMP GP-GEAR Caterpillar parts 311C, 311D LRR, 312C, 312C L, 312D, 312D L, 313D, 314C, 314D CR, 314D LCR, 315C, 315D L, 318D L, 319D, 319D L, 319D LN

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Alternative (cross code) number:
CA1731203
173-1203
1731203

Weight: 4 pounds 2 kg.

Buy PUMP GP-GEAR 1731203 Caterpillar genuine, new aftermarket tractor parts with delivery
EXCAVATOR,

You can buy:

Poilt Gear Pump 173-1203 for Caterpillar CAT Excavator 311 311D 312C 312CL 313D 314C 314D 315C 315CL 315DL 318DL 319D 319DL

US$155.00

28 May 2025

FridayParts

Poilt Gear Pump 173-1203 for Caterpillar CAT Excavator 311 311D 312C 312CL 313D 314C 314D 315C 315CL 315DL 318DL 319D 319DL

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173-1203 1731203 Hydraulic Pump Replacement for CAT 311C 311D LRR 312C 314C 315C 319D 313D 318D L E312C E312D E311C

$270.00

10 Oct 2025

CN: Changpai Parts

173-1203 1731203 Hydraulic Pump Replacement for CAT 311C 311D LRR 312C 314C 315C 319D 313D 318D L E312C E312D E311C
WZCPSM Product Name:Hydraulic Pump || Part number:173-1203 1731203 || Application:Replacement for CAT 311C 311D LRR 312C 314C 315C 319D 313D 318D L E312C E312D E311C || Note: Please verify your part number before purchasing. If you are unsure, please contact us. Thank you for your cooperation. || Tip: This product has fast response stable performance, high reliability, easy installation .It has been repeatedly tested and is of high quality and the most guaranteed.

173-1203 1731203 Hydraulic Pump Compatible for CAT 311C 311D LRR 312C 314C 315C 319D 313D 318D L E312C E312D E311C

$238.00

10 Oct 2025

CN: JP - Constructi

173-1203 1731203 Hydraulic Pump Compatible for CAT 311C 311D LRR 312C 314C 315C 319D 313D 318D L E312C E312D E311C
JPSMZSC Product Name:Hydraulic Pump || Part number:173-1203 1731203 || Application:Compatible for CAT 311C 311D LRR 312C 314C 315C 319D 313D 318D L E312C E312D E311C || Note: Please confirm that the product shown in the part number is what you need. If you cannot confirm, you can leave us a message and provide your engine serial number and nameplate. || Tip: We mainly deal in all parts of the construction machinery series. Our product has stable performance, fast response, high reliability, and easy installation. High quality, most guaranteed. If you have any other requirements, please contact us.

Zuide 1731203 Gear Pump 2180557 SBS80 for Caterpillar CAT 311C 311D LRR 312C 314C

$239.00

10 Oct 2025

CN: YUCHENG-EM

Zuide 1731203 Gear Pump 2180557 SBS80 for Caterpillar CAT 311C 311D LRR 312C 314C
Zuide Part Name: Gear Pump || Part Number: 173-1203 218-0557 1731203 2180557 || Package included:1pcs Poilt Gear Pump || Professional installation is highly recommended. || please ask to us if you have any questions with this item

This part in 1 request: Show. This information for suppliers only!

#878112 1731203

2022-05-07

Number on catalog scheme: 3

Caterpillar 1731203 Parts scheme PUMP GP-GEAR

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Compatible equipment models: 1731203:

EXCAVATOR 311C 311D LRR 312C 312C L 312D 312D L 313D 314C 314D CR 314D LCR 315C 315D L 318D L 319D 319D L 319D LN Caterpillar

Information:

Features/Benefits
* Replaces canceled 1P-2305 Terminal Kit* Used to repair wiring harness terminal ends which have become damaged or unserviceable* Hand crimping tool has built-in dies for crimping insulated and non-insulated terminals, cutting edges for cutting wire, notches for stripping 10 to 22 gauge wire, shears for cutting up to 4.7 mm (.18 in) diameter bolts, two thread chasers for screws with 24 and 32 threads-per-inch screws, and a scale for measuring screw length* Splice connectors have hot-melt adhesive and shrink ends that when heated will provide an environmental seal around wireService Parts
Terminal And Wire Splice Parts
1 9S-9150 Terminal Crimp Tool 110 2L-8058 Terminal (8 Ga. 1/4 in. Stud) 1010 2L-8066 Terminal (12-10 Ga. No. 10 Stud) 1010 2L-8067 Terminal (12-10 Ga. 1/4 in. Stud) 1010 2L-8069 Terminal (12-10 Ga. 3/8 in. Stud) 1010 2L-8071 Terminal (12-10 Ga. 1/2 in. Stud) 10 20 2L-8075 Terminal (16-14 Ga. No. 8 Stud) 20 20 2L-8076 Terminal (16-14 Ga. No. 10 Stud) 2015 2L-8077 Terminal (16-14 Ga. 1/4 in. Stud) 1515 2L-8079 Terminal (16-14 Ga. 3/8 in. Stud) 1530 5P-4571 Terminal (16-14 Ga.) 2010 4S-1988 Terminal (Blade, Crimp Type) 5015 136-4876 Wire Splice (12-10 Ga.) 115 136-4877 Wire Splice (16-14 Ga.) 115 136-4878 Wire Splice (22-18 Ga.) 1
140-9944 Terminal Kit

Cat SIS web machinery list:

Caterpillar parts catalog
Product:

312C & 312C L Excavators CBA00001-01200 (MACHINE)

173-0663: PUMP GP-MAIN HYDRAULIC » SEBP31460338
173-0663: PUMP GP-MAIN HYDRAULIC » SEBP31460339
183-8289: PUMP GP-PISTON & GEAR » SEBP31460340
183-8289: PUMP GP-PISTON & GEAR » SEBP31460341

315C & 315C L Excavators CFB00001-UP (MACHINE) POWERED BY 3046 Engine

176-3963: PUMP GP-PISTON » (PILOT) SEBP31840347

312C & 312C L Excavators BNN00001-UP (MACHINE) POWERED BY 3054T Engine

173-0663: PUMP GP-MAIN HYDRAULIC » SEBP31990463
173-0663: PUMP GP-MAIN HYDRAULIC » SEBP31990464

311C U Excavator CKE00001-UP (MACHINE) POWERED BY 3064 Engine

185-1726: PUMP GP-MAIN HYDRAULIC » SEBP33250409
185-1726: PUMP GP-MAIN HYDRAULIC » SEBP33250410
185-1726: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP33250411
176-8134: PUMP GP-PISTON » SEBP33250412
176-8134: PUMP GP-PISTON » SEBP33250413
176-8134: PUMP GP-PISTON » SEBP33250414
176-8134: PUMP GP-PISTON » SEBP33250415

314C CR & 314C LCR Excavators KJA00001-UP (MACHINE) POWERED BY 3064 Engine

199-6374: PUMP GP-MAIN HYDRAULIC » SEBP35400401
199-6374: PUMP GP-MAIN HYDRAULIC » SEBP35400402
199-6374: PUMP GP-MAIN HYDRAULIC » SEBP35400403
199-6947: PUMP GP-MAIN HYDRAULIC » SEBP35400404
199-6947: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP35400405
199-6947: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP35400406

315C L Excavator ANF00001-UP (MACHINE) POWERED BY 3054 Engine

176-3963: PUMP GP-PISTON » SEBP35950491
176-3963: PUMP GP-PISTON » (PILOT) SEBP35950492

315C & 315C L Excavators AKE00001-UP (MACHINE) POWERED BY 3046 Engine

176-3963: PUMP GP-PISTON » (PILOT) SEBP37390419
176-3963: PUMP GP-PISTON » (PILOT) SEBP37390420
176-3963: PUMP GP-PISTON » (PILOT) SEBP37390421
176-3963: PUMP GP-PISTON » (PILOT) SEBP37390422

312C & 312C L Excavators CBA01201-UP (MACHINE) POWERED BY 3064 Engine

173-0663: PUMP GP-MAIN HYDRAULIC » SEBP38330434
173-0663: PUMP GP-MAIN HYDRAULIC » SEBP38330435
173-0663: PUMP GP-MAIN HYDRAULIC » SEBP38330436
173-0663: PUMP GP-MAIN HYDRAULIC » SEBP38330437
183-8289: PUMP GP-PISTON & GEAR » SEBP38330438
183-8289: PUMP GP-PISTON & GEAR » SEBP38330439
183-8289: PUMP GP-PISTON & GEAR » SEBP38330440

312C & 312C L Excavators BWH00001-UP (MACHINE) POWERED BY 3064 Engine

173-0663: PUMP GP-MAIN HYDRAULIC » SEBP39730512
173-0663: PUMP GP-MAIN HYDRAULIC » SEBP39730513

311C U Excavator PAD00001-UP (MACHINE) POWERED BY 3064 Engine

185-1726: PUMP GP-MAIN HYDRAULIC » SEBP44520287
185-1726: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP44520288
176-8134: PUMP GP-PISTON » SEBP44520289
176-8134: PUMP GP-PISTON » SEBP44520290
176-8134: PUMP GP-PISTON » SEBP44520291

314C CR Excavator SNY00001-UP (MACHINE) POWERED BY 3064 Engine

199-6374: PUMP GP-MAIN HYDRAULIC » SEBP44530317
199-6374: PUMP GP-MAIN HYDRAULIC » SEBP44530318
199-6947: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP44530319
199-6947: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP44530320

315D L Excavator CJN00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP48610850
311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP48610851

319D L & 319D LN Excavators EAW00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7406: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP48620684

319D Excavators BZH00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7406: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP48640445

315D L Excavator NCM00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP49300406

312D Excavator HJX00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » SEBP49460432

311D LRR Excavator CLA00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7403: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP49470719
311-7403: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP49470720

311D LRR Excavator DDW00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7403: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP49480528

312D & 312D L Excavators HCW00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP49490820

314D CR & 314D LCR Excavators BYJ00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP49500822
311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP49500823

314D LCR Excavator SBP00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP49510546

315D L Excavator KBD00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP52070422

312D L Excavator TGY00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP52240605

312D Excavator LRK00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP52290257

312D Excavator DLP00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP53700536

311D LRR Excavator LKA00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7403: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54540550

311D LRR Excavator DWR00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7403: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54550577
311-7403: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54550578

311D LRR Excavator PNJ00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7403: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54560555
311-7403: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54560556

312D L Excavator SKA00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54570493

312D & 312D L Excavators KES00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54580735
311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54580736

312D L Excavator XGK00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54590597
311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54590598
311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54590599

314D LCR Excavator TXN00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54600650
311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54600651

314D CR & 314D LCR Excavator WLN00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54610687
311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54610688

314D LCR Excavator SSZ00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP54620653

315D L Excavator BZN00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54640705
311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54640706

315D L Excavator JGS00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54650650

319D L & 319D LN Excavators AYF00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7406: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54660562

319D L & 319D LN Excavators KFM00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7406: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54670643

312D & 312D L Excavators PHH00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » SEBP54860377

315D L Excavator TLE00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54870362

319D L & 319D LN Excavators WBJ00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7406: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP54880401

315D L Excavator JHA00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP56070283
311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP56070284
311-7405: PUMP GP-MAIN HYDRAULIC » SEBP56070285

319D L Excavator KRM00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7406: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP56550445

313D Excavator KXD00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP62120252

313D Excavator WPK00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP62130246
311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP62130247
311-7404: PUMP GP-MAIN HYDRAULIC » (BLADE) SEBP62130248

318D L Excavator ZKJ00001-UP (MACHINE) POWERED BY C4.2 Engine

311-7405: PUMP GP-MAIN HYDRAULIC » (PILOT) SEBP62140295
311-7405: PUMP GP-MAIN HYDRAULIC » SEBP62140296

Parts pump Caterpillar catalog:

1375541 PUMP GP-FUEL PRIMING
120G, 12G, 130G, 140G, 140H, 143H, 14G, 14H, 160G, 160H, 163H, 1673C, 16H, 235B, 24H, 3116, 311C, 311D LRR, 3126, 3126B, 3126E, 312C, 312C L, 312D, 312D L, 313D, 314C, 314D CR, 314D LCR, 315C, 315D L,...

6I0912 PUMP AS-ENGINE OIL
3054, 3054B, 312, 312B L, 312C, 315, 315B L, 317, 416B, 416C, 416D, 420D, 426C, 428B, 428C, 428D, 430D, 432D, 436C, 438C, 438D, 442D, 554, 908, 914G, AP-800C, BG-225B, BG-225C, CB-434C, CB-534B, CB-53...

1213220 PUMP GP-FUEL TRANSFER
3054, 3054B, 307, 312, 312C, 315, 315B L, 317, 416B, 416C, 426C, 428B, 428C, 436C, 438C, 914G, AP-800C, BG-225B, CB-434B, CB-434C, CB-534B, CB-534C, CB-544, CB-545, CP-433C, CS-323C, CS-431C, IT14G, M...

2396142 PUMP GP-WATER
3054, 3054B, 3056, 312B L, 312C, 315B L, 416C, 416D, 420D, 424D, 426C, 428C, 428D, 430D, 432D, 436C, 438C, 442D, 554, 908, 924G, 924GZ, AP-800C, BG-225B, BG-225C, CB-434C, CB-534C, CB-535B, CP-433C, C...

2258329 PUMP AS-ENGINE OIL
3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 315C, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 4...

2258016 PUMP GP-WATER
3054C, 3054E, 312D2, 312D2 GC, 313D2, 315C, 318D2 L, 414E, 416D, 416E, 420D, 420E, 422E, 424D, 428D, 428E, 430D, 430E, 432D, 432E, 434E, 442D, 442E, 444E, 914G, AP-300, AP-650B, AP-800D, C4.4, CB-434D...

2327808 PUMP AS-FUEL TRANSFER
3054C, 3054E, 315C, CB-434D, CB-534D, CS-323C, CS-423E, M313C, M315C, TH210, TH215, TH220B, TH330B, TH340B, TH350B, TH355B, TH460B, TH560B, TH580B

3541672 PUMP GP-WATER
3054C, 3054E, 312D2, 312D2 L, 313D2 LGP, 315C, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 432D, 432E, 434E, 434F, 442D, 442E, 444E, 914G, AP-650B, AP-...

2388864 PUMP GP-FUEL PRIMING
3054C, 315C, CS-533E, M313C, M315C

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, ...

1989876 PUMP GP-WATER
312C, 315B L, 554, M312, M315

1175033 PUMP AS-WATER
315, 315B, 315C, 317B LN, 318B, D3C III, D3G, D4C III, D4G, D5C III, D5G

2396656 PUMP AS-FUEL PRIMING
311C, 312C, 312C L, 314C, 318C, 319C, 320B, 320C, 320C FM, 320C L, 320D, 320D LRR, 321C, 323D L, 323D LN

0857183 PUMP
305.5, 306, 307B, 307C, 307D

1905767 PUMP AS
305.5, 306, 307C, 307D, 308C, 308D

2128641 PUMP GP-ENGINE OIL
305.5, 306, 307C, 307D, 308C, 308D

1905765 PUMP GP-ENGINE OIL
307C, 308C

2407467 PUMP AS
307B

1958455 PUMP AS-WATER
304, 305

2233383 PUMP AS-WASHER
120M, 312C, 525B, 535B, 545, 583T, 587R, 587T, 613C II, 615C, 621E, 623E, 627E, 631E, 633E II, 637E, 777G, 785D, 834H, 836H, 924K, 930K, 938K, 950H, 962H, 966H, 972H, 994F, D5N, D6K, D6K LGP, D6K XL, ...

2511938 PUMP & MOTOR GP-FUEL TRANSFER
312C, 315C, 318C, 319C, 584, D6N

2056215 PUMP GP-METERING
M313C, M313D, M315C, M315D, M315D 2, M316C, M316D, M317D 2, M318C, M318D

2010574 PUMP GP-FUEL INJECTION
315C

2180557 PUMP GP-GEAR
311C, 311D LRR, 312C, 312C L, 312D, 312D L, 314C, 314D CR, 314D LCR, 315C, 315D L, 319D, 319D L, 319D LN

1731203