Oil Filter LF3970 | Cross Reference 3937736 5404947 3937144 B7177 P550428 Heavy Duty OEM Replacement
Contact UsLF3970 heavy duty spin-on oil filter matches cross reference numbers 3937736, 5404947, 3937144, B7177 and P550428. Made with high-efficiency composite filter media, it effectively traps metal particles, sludge, carbon deposits and engine impurities. OEM precise size for direct replacement of heavy-duty trucks, diesel engines and construction machinery, perfect for aftermarket repair, fleet maintenance and bulk wholesale.
Description
LF3970 is a premium heavy-duty spin-on oil filter manufactured to strict OEM specifications, fully interchangeable with part numbers LF3970, 3937736, 5404947, 3937144, B7177 and P550428. It adopts high-density multi-layer synthetic filter media, providing excellent filtration accuracy and large dirt holding capacity.
This filter efficiently removes fine metal shavings, engine sludge, carbon deposits, dust and other harmful contaminants from engine oil. It keeps lubricating oil clean, reduces internal engine wear, protects crankshaft, bearings and moving parts, and extends diesel engine service life. The thickened steel shell is pressure-resistant, corrosion-proof and vibration-resistant, suitable for harsh working environments. The high-temperature oil-resistant rubber seal ensures leak-free installation and stable long-term operation.
Product Core Parameters
- Filter Type: Heavy Duty Spin-On Engine Oil Filter
- Cross Reference: LF3970, 3937736, 5404947, 3937144, B7177, P550428
- Filter Media: High-density multi-layer composite filter paper
- Function: Filter metal particles, sludge, carbon deposits and engine oil impurities
- Housing: Thickened pressure-resistant steel shell, anti-corrosion & anti-vibration
- Seal: High temperature and oil resistant rubber gasket
- Working Temperature: -40℃ ~ 125℃
- Dirt Holding Capacity: Large storage volume for extended service intervals
- Installation: Standard spin-on, direct drop-in replacement without modification
Compatible Vehicles & Equipment
Widely compatible with Cummins diesel engines, heavy-duty commercial trucks, construction excavators, wheel loaders, bulldozers, agricultural tractors and industrial generator sets. Ideal for logistics fleets, engineering machinery, farm equipment and aftermarket repair requiring the above cross reference part numbers.
Product Advantages
All cross reference parts are fully interchangeable with unified OEM dimensions, easy for inventory management and quick replacement. High filtration efficiency reduces engine wear and lowers maintenance costs. As a professional filter manufacturer, we supply factory direct price, sufficient stock, customized packaging and private label service for global importers and fleet procurement.
