Product Overview:
3943627 reinforced 24-valve cylinder head fits 1998.5–2002 Cummins ISB5.9/ISBE5.9, supporting VP44 and early common rail systems. Optimized cooling channels and reinforced ribs stop overheating & cracks. Pre-assembled with Inconel heat-resistant valves, it passes strict leak tests. Direct replacement for OE 3991773/5361587, suitable for Dodge Ram pickups, medium trucks, machinery and gensets.
Key Features:
✅Nickel-reinforced casting stops high-temperature cracks, durable for heavy load & tuning
✅Pre-assembled full set with leak test, fast installation
✅Optimized cooling channels avoid overheating and gasket failure
✅Compatible with VP44 & early common rail ISB5.9, fits 1998–2002 models
3943627 cylinder head Specification:
Parameter
Value
Part Number
3943627
Cross Reference OE
3991773, 5361587
Fit Engine
Cummins ISB5.9 / ISBE5.9 (1998.5–2002)
Valve Layout
24-Valve
Compatible Fuel System
VP44 mechanical pump, early common rail
Material
Reinforced high-strength cast iron
Structural Design
Pre-machined multi-sensor ports, optimized cooling passages
Product Status
Brand new full assembly, factory pressure tested
Application Scenarios:
✅Light Pickups:Dodge Ram 2500/3500 1998–2002 5.9L 24V diesel pickup trucks
✅Commercial Vehicles:Dongfeng ISBE5.9 passenger buses & medium-duty cargo trucks
✅Construction Equipment:Small loaders, excavators, 5.9L diesel generator sets
✅Agricultural Machinery:Case New Holland tractors, engineering dump trucks
Why Choose US?
✅Price Advantages of Authorized Cummins Agents in China
✅Genuine Cummins DCEC equivalent quality, strict factory inspection
✅Full Cummins engine parts inventory, fast dispatch
✅Professional technical team for fitment support- Factory direct pricing, flexible MOQ
Name: Aandy
Mobile:
Tel:19924579082
Email:1941346301@qq.com
Add:5F, Block 4, Next Industrial Park, 136 Zhongkang Road, Futian Dist, Shenzhen