3918954 Cum mins QSB5.9 Engine Oil Filter Housing Base Assembly

• OEM Part Number: 3918954 (Replaces 3918295)
• Alternative Part No: 3913967, 4934217
• Product Name: Engine Oil Filter Housing / Oil Cooler Filter Base
• Material: High Precision Die-cast Aluminum Alloy
• Compatible Engines: Cumm ins 4BT3.9, 6BT5.9, QSB5.9, ISB5.9, ISB6.7, 6BTA, B5.9 Series Diesel Engines

1. Integrally cast aluminum alloy body with internal precision oil passage channels, stable oil flow distribution and strong heat dissipation performance
2. Combined structure integrates oil filter mounting base and oil cooler housing, compact layout, simplifies engine lubrication pipeline layout
3. Built-in pressure regulating valve and sealing components, effectively prevents engine oil leakage and maintains normal lubrication system pressure
4. Strictly follows OEM 3918954 dimensional standards, direct bolt-on installation, no modification required during engine repair

3918954 oil filter housing is an important integrated component of the Cumm ins QSB5.9 engine lubrication system. It serves two core functions: fixing the engine oil filter and installing the engine oil cooler core.

Engine oil flows through the internal flow channel of the base to complete filtering and forced cooling, ensuring the lubricating oil maintains optimal viscosity and temperature, fully protecting crankshaft, connecting rod bearings, cylinder liner and other moving friction components.

Replace this filter base when issues such as oil passage blockage, housing cracking, sealing surface oil seepage and cooler core installation failure occur. It is recommended to synchronously replace filter base gasket, oil cooler core and engine oil filter during maintenance.

We supply parts for Kubota, Cum mins, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vol vo, Deutz, Doosan, Daewoo, John Dee re, Scania, Hyundai, JCB etc.

Shipping: Sea freight, air freight and international express are all available. Goods will be arranged for shipment promptly after payment confirmation.

Tax Notice: All import duties and local destination taxes shall be borne by the buyer. Please verify local customs regulations in advance.

1. Which Cummi ns engines does 3918954 oil filter housing fit?
   Mainly applicable to Cumm ins 6BT5.9, QSB5.9, ISB5.9, 4BT3.9, ISB6.7 diesel engines, widely used in construction machinery, generator sets, light trucks and agricultural equipment.
2. What are the common failure symptoms of the oil filter base?
   Engine oil leaking from the gasket joint, abnormal engine oil temperature rise, insufficient lubrication pressure alarm, and oil passage internal clogging leading to poor filter effect.
3. What accessories need to be matched when replacing this part?
   Supporting accessories include filter base gasket (3929792), oil cooler core sealing gasket and corresponding engine oil filter element.
4. How to guarantee long service life of the filter housing?
   Use clean qualified engine oil to avoid impurities scratching internal oil passages, regularly replace oil filter and flush the lubrication system, and evenly torque the mounting bolts during installation.