This diesel pump (319-0678) is a critical component in the fuel delivery system, responsible for pressurizing and distributing fuel to the engine cylinders with precise timing. Its performance directly impacts combustion efficiency, power output, and fuel economy—ensuring optimal fuel spray atomization to reduce emissions and prevent incomplete combustion.
We provide two options: original and replacement pumps. Original units are manufactured with high-strength alloy casings and precision-machined internal components, undergoing 500-hour endurance tests under full load to ensure stability in high-pressure environments (up to 2000 bar). They integrate seamlessly with specific Cat engine models, maintaining fuel supply accuracy within ±1% to match OEM performance standards.
Replacement pumps are produced by certified manufacturers following OE specifications, using hardened steel rotors and heat-resistant seals. Each unit undergoes pressure calibration and leak testing to guarantee reliable fuel delivery. They offer comparable functionality at a competitive price, making them ideal for cost-sensitive operations while meeting industry performance benchmarks.
Our supply chain ensures 95%+ stock availability, with global shipping options to minimize downtime. Our technical team provides free model matching services—simply share your equipment details for instant compatibility verification. We also offer installation guidelines and post-sales troubleshooting to ensure optimal pump performance.
Investing in this diesel pump enhances engine responsiveness, reduces fuel waste by up to 8%, and lowers maintenance frequency. Whether for construction machinery or industrial engines, it’s a vital component that balances power and efficiency. We back all products with a 12-month warranty, committed to building long-term partnerships through quality and reliability.
We are a supplier of various engine assemblies and engine accessories in China, with a wide range of brands and types, and a huge warehouse storage and professional after-sales maintenance team. Both original and subsidiary factories can provide it, supplied globally.
Ningbo Qiuning Trading Co., Ltd. Service Supply and Sales Center
Our company provides more engine assemblies and accessories of different brands and models
If you are interested, please add my contact information directly:
WeChat/WhatsApp：+86 15888032469
E-mail： allen@perkins-rx.com
Remarks: The model or serial number processing is faster and the price is more favorable
We provide global logistics and delivery services, genuine product guarantee, and support online ordering.
Transmission gasket 1U88461U8846
Caterpillar Ring Fixed 1W-7020
Caterpillar guard ring 2W-4032
Caterpillar turbocharger cooling water pipe 4W-7322
Caterpillar Bolt OS-1594
Caterpillar Gasket 3V-3308
Caterpillar Bolt OS-1595
Caterpillar Gasket 5P-8245
Starter assembly 1117481, water pump 1W5644, water pump 9N3076, water pump 2W8002, water pump 2W8001, oil pressure gauge 2W3687, oil pressure gauge 7W2937, engine water temperature gauge 7W2060, tachometer 9X1117, tachometer sensor 5N9292, starter assembly 2071556, oil filter 6N6798 hand Oil pump 1375541, hand oil pump 1052508/4W0788, air compressor belt 4N-6373, fan belt 3S9653, water filter 9N3367, injector assembly 8N7005, Plunger 7W-5928, front repair package 6V5433, rear repair package 6V2900, intake valve 1152368, exhaust valve 115-2367, water pump assembly 9 N3228 water pump assembly, 4N7498 water pump repair package, 9N6289 hand oil pump assembly, 4W7498 oil pump assembly, 4N0733 oil pump assembly, 4N8734 booster assembly, 7C6648 booster assembly, 1W5580 booster repair package, 2W0715 booster bearing, 9N2041 oil supply pump assembly, 1W1700 oil supply pump assembly 4N1101 governor assembly, 2W7325 governor assembly, 4W6013 high-speed oil pump assembly, 4W2549 high-speed oil pump assembly, 7W1983 fuel injector, 4W7019 fuel injector, 4W7018 plunger, 2W3413 gasket, 6N9135 gasket, 5P8060 gasket, 7E7312 cylinder gasket, 7E6000 cylinder gasket, 2W798 4-valve 1W6987 water filter 9N3367 Intake valve 2W2622 exhaust valve 1W3860 valve spring 4N5906 valve lock plate 2A4429 valve seal ring 6N7175 waterway seal ring 4E1055 Front crankshaft oil seal 2W1733 intercooler seal body 5P0855/1247567 exhaust pipe seal part 9Y4 582/1288452 Intake valve 2W2622 Intake valve 1W1801 Intake Valve 7E4609 Intake Valve 6N-9915 Intake Valve 7S-8809 Intake valve 9Y-9804 Intake valve 4W5374 Intake valve 5I7739 Intake valve 4N5893 Exhaust Valve 5S5918 Exhaust valve 1152367 Exhaust valve 1W3 860 Generator 19020307 Seal 9L5854 Cylinder Liner 1W6280/2W6000 Cylinder Head 1720834 Intake Valve Guide 1976995 Exhaust Valve Guide 1339306 Exhaust valve seat Ring 1302608 Intake Valve seat ring 1302607 Exhaust Valve 1944897 Intake Valve 2102542 Water heater 4 W4642 cylinder liner water injection ring 7N2046 injector pressure plate screw 4F7226 injector assembly 7E6408 piston pin 1388506 Piston ring 7W2221 piston ring 8N7810 Piston ring 8N1233 piston 7C2431 Air filter element 1318821/1318822 starter 1117481 DC ammeter 4W5870 water temperature gauge, 4W0483 oil pressure sensor, 9X1124 oil pressure gauge, 7W2937 turbocharger, 7C7582 hand oil pump, 1375541 connecting rod bearing, 1W7524/9Y9497 CAM bearing, 4N6658 thrust bearing, 1W5252/7E9262 piston ring, 1W8922 spindle bearing, 4W5492 pneumatic Motor 7C3372, oil temperature gauge 7W2060, Crankshaft 6I1453, crankshaft 1W5009
O-ring 8L2746 seal 1073117
Hose 1W2835 seal 1178766
Hose clamp 9M2904 Oil seal 1362443
Hose 5P1255 ring 1362444
O-ring 6V1197, support ring 1362445
Fuel pressure sensor 1946725 spacer sleeve 1373749
O-ring 6V5048 lip seal 1373751
Fuel temperature sensor 1060735 Motor assembly (old number 1613732) 4252717
O-ring 8L2786 motor resistance 1613734
Fuel injector 1747526 turbocharger nut 1687800
Rectangular seal 1167222 hose 2299127
Fuel injector wiring harness 1797087 hose 2299128
Bolt 1361869 Water tank cover 2302920
Bolt 1A5964 Seal 2349503
Bolt 2P3206 Turbocharger 2385102
Exhaust manifold 1633103 Fan pump 2478968
Exhaust manifold 1738352 seal 2590891
Exhaust manifold 1738353 hydraulic pump assembly 2667952
High-temperature resistant bolt 2N2765 cylinder head 2811640
High-temperature resistant nut 2N2766 radio 3068802
Conical locking double-ended bolt 1061793 multi-way valve assembly 3526870
Lock washer 5M2894 bearing 4B3665
Spacer sleeve 1083612, seal 6E5412
Spacer sleeve 1149223 ring 6I6788
Conical locking double-ended bolt 3K3256 retaining ring 6V5590
Nut: 6V8801 ring: 7Y4633
Spring repair kit 2263939 Seal 9N1756
Shield assembly 2056344, bucket pin 2185433
Shield assembly 2056345 elbow 5K9243
Shield assembly 2056346 clamp 8T6703
Shield assembly 2309554 machine foot pads 1476982
Gasket 1P0436 machine foot gasket 1476983
O-ring 6V5049, shell discharge filter element 2237809
Fuel temperature sensor 1022240 hose 2181123
Hose assembly 1129265 Rotary motor bolt gasket 2676787
Hose assembly 1256797 Oil pan gasket 1880210
Hose assembly 1287135 O-ring 5H6734
Hose assembly 1316833 pin 2M5652
Hose assembly 1388745 Right track 1421803
O-ring 336033, left track 1421804
