The 3934747 6CT cylinder head is heavy‑duty cast‑iron bare cylinder head designed for Cummins 6CT and 6CTA8.3 8.3L six‑cylinder diesel engine. Cross Reference OE numbers：3934747, 3934748, 4946372, 3968268
CUMMINS
3936180/4938632
CYLINDER HEAD
6CT
CUMMINS
3802466
CYLINDER HEAD
6CT
CUMMINS
3973493
CYLINDER HEAD
6CT
CUMMINS
3968902/3957949/3939346/3968631
CYLINDER HEAD KIT
6CT
CUMMINS
4929518/3945021/5314801/5339587/5300887
CYLINDER HEAD
ISL8.9/T375
CUMMINS
4936714/5348475
CYLINDER HEAD KIT
ISL8.9/T375
CUMMINS
3943627/3944992
CYLINDER HEAD KIT
ISBE
CUMMINS
4942138/4987978/3957386/5339588/5282720/4987984
CYLINDER HEAD
ISBE
CUMMINS
5259425/5256470/5347976
CYLINDER HEAD KIT
ISBE
CUMMINS
3957386/3991773
CYLINDER HEAD
ISBE
CUMMINS
3954673/3957959/3957386/4981626/5361595
CYLINDER HEAD KIT
ISB5.9
CUMMINS
4987957
CYLINDER HEAD
ISCE
CUMMINS
4941495/5282708
CYLINDER HEAD
ISDE4
CUMMINS
4941496
CYLINDER HEAD KIT
ISDE4
CUMMINS
3977225/5282703
CYLINDER HEAD
ISDE6
CUMMINS
4936081
CYLINDER HEAD KIT
ISDE6
Heavy‑duty high‑strength cast‑iron casting, reinforced internal rib structure, anti‑crack and anti‑deformation under long‑time heavy‑load working conditions
Precision CNC machining on gasket deck surface, valve seats, injector bores, water and oil passages, guarantee flat sealing surface for cylinder gasket
100% air‑pressure leakage test before shipment, effectively eliminate porosity and hidden passage leakage risk
Strictly follows Cummins OE dimensional standards, perfectly matches 6CT valves, valve springs, gaskets, injectors and rocker arms
Premium aftermarket quality with ISO‑9001 inspection, stable and cost‑effective for repair shops, spare‑part wholesalers and fleet maintenance
Widely compatible with heavy‑duty truck, wheel loader, excavator and generator‑set 6CT /6CTA8.3 power units
