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PUMP GP-UNIT INJECTOR HYD 3120678 - Caterpillar


3120678 PUMP GP-UNIT INJECTOR HYD Caterpillar parts C9
Rating:
36
Alternative (cross code) number:
CA3120678
312-0678
3120678
Caterpillar 3120678 PUMP GP-UNIT INJECTOR HYD
Weight: 25 pounds 11 kg.

Buy PUMP GP-UNIT INJECTOR HYD 3120678 Caterpillar genuine, new aftermarket tractor parts with delivery
GENERATOR SET, MARINE ENGINE,

Related part:
3120678  PUMP GP -B  10R7148  R

You can buy:

Compare Prices: .

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$3,938.60

18 Nov 2025

US: DMP Dependable
Aftermarket Fuel Injection Pump 312-0678 10R-7148 Fit Intended For C9 Engine
Generic Durable Construction || Perfect Fit & Compatibility || Efficient Performance || Fast U.S. Shipping || Warranty & Support by DMP Store
$2,355.00

18 Nov 2025

CN: ziwangcjx
IMIFAFTAbT 312-0677 312-0678 10R-7148 Fuel injection pump Fits for Caterpillar CAT C9 Marine Engine
IMIFAFTAbT Product Name: 312-0677 312-0678 10R-7148 Fuel injection pump || Part number: 312-0677 312-0678 10R-7148 || Fits for Caterpillar CAT C9 Marine Engine || 1 PCS Fuel injection pump || Note: Please confirm that the product shown in the part number is what you need If you cannot confirm you can provide your engine serial number and nameplate
$2,477.32

18 Nov 2025

CN: wulongyu088
Diesel Fuel Injection Pump 312-0677, 312-0678, Compatible For CAT E324D E324D2 336D 336D2 Hydraulic Excavators
JHGTDE 【Functional Role】: Precision fuel injection pump for optimal combustion efficiency in diesel engines || 【Compatibility】: Compatible For CAT Hydraulic Excavators E324D E324D2 336D 336D2 models requiring 312-0677 or 312-0678 parts || 【Material Engineering】: Cold-forged steel housing resistant to extreme pressure and vibration stresses || 【Installation】: Direct replacement with identical port configurations and mounting dimensions || 【Operating Scope】: Supports 6-8 cylinder diesel engines in heavy-duty excavation and loading operations
Number on catalog scheme: 4
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Compatible equipment models: 3120678:

GENERATOR SET  C9  
MARINE ENGINE  Caterpillar

Information:

Remove And Install Oil Pan Plate
START BY:a. remove oil pan
3304 Engine Is Shown1. On 3306 Engines only, remove the three bolts, locks and suction bell assembly (1) from the oil pan plate and the oil pump.2. Remove bolts (2) that hold the elbow to the oil pump.3. Remove bolts (3), oil pan plate (4) and the gasket from the engine.4. On both sides of the engine, at locations (A) and (B), make an application of 3S6252 RTV Silicone Adhesive/Sealant.5. Put the gasket and oil pan plate (4) in position on the engine, and install bolts (3) to hold them.6. Install bolts (2) that hold the elbow to the oil pump.7. On 3306 Engines only, install the gasket, suction bell (1) and the locks and bolts that hold them.END BY:a. install oil pan

Caterpillar parts catalog:

Caterpillar parts catalog
C9 Marine Auxiliary and Gen Set Engine C9A00001-UP
C9 Marine Generator Set SJB00001-UP
C9 Marine Engine X9X00001-UP
C9 Marine Generator Set SJB00001-UP POWERED BY C9 MARINE GS Engine


Parts pump Caterpillar catalog:

3186357 PUMP GP-FUEL TRANSFER
3126E, 324D, 329D L, 330C, 330C L, 330D FM, 336D L, 521B, 522B, 627G, 637D, 637E, 637G, 814F II, 815F II, 816F II, 950H, 962H, 973C, 973D, BG-2455D, C-9, C7, C9, CX31-C9I, D6R, D6R II, D6R III, D6T, D...
1958098 PUMP GP-ENGINE OIL
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...
3522109 PUMP GP-WATER
12H, 140M, 140M 2, 160M, 160M 2, 3126, 3126B, 3126E, 3516C, 525C, 535C, 545C, 573, 584, 627G, 637D, 637E, 637G, 814F II, 815B, 815F II, 816F II, 950H, 962H, C7, C9, C9.3, IT62H
2304590 PUMP GP-WATER
C7, C9, CX31-C9I, TH31-E61
3522081 PUMP GP-WATER
12H, 140M, 140M 2, 160M, 160M 2, 3126, 3126B, 3126E, 3516C, 525C, 535C, 545C, 573, 584, 627G, 637D, 637E, 637G, 814F II, 815B, 815F II, 816F II, 950H, 962H, C7, C9, C9.3, IT62H
3522080 PUMP GP-WATER
3126B, 3126E, 586C, C-9, C7, C9
2601546 PUMP GP-WATER
C7, C9, CX31-C9I, TH31-E61
2274299 PUMP GP-WATER
525C, 535C, 545C, 584, 627G, 637D, 637E, 637G, 814F II, 815F II, 816F II, 950H, 962H, C7, C9, CX31-C9I, IT62H, TH31-E61
1052508 PUMP AS-FUEL PRIMING
120G, 12G, 12H, 12H ES, 12H NA, 140H, 140H ES, 140H NA, 143H, 14H, 14H NA, 160H, 160H ES, 160H NA, 163H, 163H NA, 16G, 16H, 16H NA, 214B, 235, 3114, 3116, 3126, 3126B, 3126E, 3176, 3176B, 3176C, 3196,...
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...
3983349 PUMP GP-WATER
C1.5, CB22B, CB24B, CB32B, CC24B
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