WeiChai engine spare parts Oil pump 1003393391 | Engine Lubrication Oil Pump Spare Parts, Genuine WeiChai engine spare parts

Product Overview – Premium WeiChai Diesel Engine Lubrication Replacement Parts

This WeiChai engine spare parts Oil pump 1003393391 is an original core lubrication component specially matched for WeiChai series diesel engines, classified as essential lubrication system WeiChai engine spare parts for construction machinery and heavy truck engine overhaul maintenance.

Most equipment operators frequently encounter oil pump faults after long-time heavy-load operation, such as insufficient engine oil pressure, abnormal engine noise, cylinder liner wear and even engine locking failure. As a fully interchange OEM spare part, this 1003393391 oil pump fully matches the original mounting hole position, oil pipeline interface and internal gear size of WeiChai engine. No engine housing modification or oil circuit adjustment required, effectively cutting on-site maintenance downtime and avoiding huge engine damage losses.

Manufactured with high precision cast aluminum pump housing and wear-resistant alloy gear set, this oil pump adapts to harsh working conditions including high engine temperature, heavy vibration and inferior lubricating oil. Every finished oil pump passes strict oil pressure flow test and leak tightness inspection before delivery, fully complying with original factory quality standards of authentic WeiChai engine spare parts.

Core Technical Parameters of WeiChai engine spare parts Oil pump 1003393391

Key Advantages Over Ordinary WeiChai engine spare parts

1. Stable continuous oil supply pressure output
                  Precision meshing gear structure ensures steady lubricant circulation under full load, effectively solve low oil pressure alarm and abnormal engine knocking problems, much more durable than low-cost generic WeiChai engine spare parts.

2. High wear resistance & long service life gear assembly
                  Alloy steel gears undergo carburizing and quenching treatment, resisting abrasion caused by impure engine oil, keep stable flow volume under long-hour continuous operation.

3. Integrated leak-proof pump body casting design
                  One-piece cast aluminum housing eliminates internal oil leakage risk, reduce engine oil consumption and extend the service cycle of engine bearings and cylinder components.

4. 1:1 OEM original plug-and-play installation compatibility
                  Mounting hole spacing, oil inlet/outlet pipe size and overall outline are fully consistent with OEM original parts, direct replacement for all matched WeiChai diesel engines lubrication system overhaul repair.

Application & After-Sales Support for WeiChai engine spare parts

This 1003393391 oil pump is custom designed for the forced lubrication system of all series WeiChai diesel engine. It delivers pressurized lubricating oil to crankshaft, connecting rod, camshaft and valve components to reduce friction and cool engine core parts. It is a core stocked lubrication component in our full range of WeiChai engine spare parts for construction machinery, loader and heavy truck engine repair and fleet bulk parts inventory.

All oil pumps adopt thick shockproof wooden frame packaging to avoid pump housing deformation and gear collision damage during cross-border sea and land transportation. We provide 12-month quality warranty covering manufacturing defects, and our professional engine spare parts team offers free installation and oil circuit debugging technical guidance. If you need matched fuel injectors, common rail sensors and engine overhaul kits as complete WeiChai engine lubrication spare parts packages, contact us for customized bulk wholesale supply solutions.