Part Name: Engine Crankshaft Rear Oil Seal 3926126 for Cummins QSB5.9
Cummins engine is make up with engine cylinder block, two major mechanisms (crank and connecting rod mechanism, valve mechanism), and four major systems (fuel supply system, lubrication system, cooling system, and starting system).
The engine block is the frame of the engine, which is composed of a cylinder block and a crankcase. The crank connecting rod mechanism is composed of piston connecting rod group, crankshaft flywheel group and other parts. The valve train is composed of a valve group, a valve drive group, and a valve drive group. The fuel supply system includes a fuel supply device, an air supply device, a mixture forming device and an exhaust gas discharge device. The lubrication system consists of an oil supply device and a filter device. Cooling system includes radiator, water pump, fan, etc.
Which cummins series engine parts we are supplying: NTA855, KTA19, KTA38, KTA50, QSM11, QSL9, QSB7, QSB6.7, QSX15, QSF2.8, QSF3.8, ISF2.8, ISF3.8, QSC8.3, B5.9, B4.5, B3.3, B3.9...
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Quality； Quality assurance, quality service. We have a professional technical team 24h at your service. If you have problems with your cummins engine, please contact us freely, we must provide you with online help.
Delivery time: Sufficient inventory,
Regular parts, shipped within 1-3 day,
Infrequent parts, delivery date depends on the order quantity.
Receiving precautions： Before signing for receipt, please confirm that the accessory packaging is intact and then sign for receipt. If you find that the quantity is missing during the inspection, or the accessories are damaged, you can refuse to sign for it, meanwhile, please contact us.