Product Overview:
The 3957544 7-plate oil cooler core, latest upgraded supersession replacing 3921558/3918293. Direct fit for Cummins 4BT3.9 & 6BT5.9. Built for heavy-duty trucks, construction machinery and gen-sets, stabilizing lube oil temperature to resist thermal shock under continuous harsh operation.
3957544 oil cooler core Specification:
Item
Specification
Part Number
3957544
Type
Stacked Plate Oil Cooler Core
Plate Quantity
7 Plates
Material
Brazed copper cooling fins; cold-rolled steel mounting base plate
Supersession Chain
3902372 → 3918293 → 3921558 → 3957544 (Latest updated OEM part number)
Compatible Engines
Cummins 4BT3.9 / 4BTA3.9, 6BT5.9 / 6BTA5.9 / 6BTAA5.9
Overall Length
262 mm
Overall Width
116 mm
Net Weight
3.0 ~ 3.3 KG
Cooling Medium
Engine lubricating oil ↔ engine coolant
Designed Working Water Temperature
95℃
Application
Highway heavy-duty trucks, light construction machinery, excavators, diesel generator sets, agricultural machinery; universal model for continuous heavy-load operation
Why Choose US?
✅100% Genuine Parts: Directly supplied by Cummins with official certification
✅Wholesale Discounts: Tiered pricing for bulk orders and long-term cooperation
✅Professional Support: Free technical guidance from certified engineers
✅Fast Global Delivery: 24h dispatch, worldwide shipping in 3-15days
Name: Andy
Mobile:+86 19924579082
Tel:+86 19924579082
Whatsapp:8619924579082
Email:andy@partscummins.com
Add:5F, Block 4, Next Industrial Park, 136 Zhongkang Road, Futian Dist, Shenzhen
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