3811985 is the cylinder head fitted to Cummins QSK19, KTA19, KTA38, KTA50 and KT38 engines. It is made from alloy Gray Cast Iron. Published figures include bare head net weight 26 kg, full assembly weight (valves/springs/seals included) 31.3 kg, applicable power range 335–760 HP K-series heavy-duty engines. It cross-references 3811988, 3021692, 3646323, 3646324.
Specifications
| Part Number |
3811985 |
| Cross Reference PN |
3811988, 3021692, 3646323, 3646324 |
| Fit Engines |
KTA19, QSK19, KTA38, KTA50 |
| Material |
High-alloy high-strength gray cast iron |
| Structure |
Single-cylinder independent 4-valve design (2 intake + 2 exhaust) |
| Bare Head Net Weight |
26 kg |
| Full Assembly Weight (Valves/Springs/Seals Included) |
31.3 kg |
| Applicable Power Range |
335–760 HP K-series heavy-duty engines |
| Outer Package Size |
1060×400×280 mm |
Key Features
- Alloy Gray Cast Iron
- Cross Reference PN: 3811988, 3021692, 3646323, 3646324
- Fit Engines: KTA19, QSK19, KTA38, KTA50
- Material: High-alloy high-strength gray cast iron
- Structure: Single-cylinder independent 4-valve design (2 intake + 2 exhaust)
- Bare Head Net Weight: 26 kg
Typical Applications
- Diesel generator sets
- Construction machinery
- Marine propulsion engines
- Industrial power units
Ordering from Sino Bus Parts
- Wholesale pricing; bulk orders welcome
- Global shipping
- Fitment confirmed against your engine serial or CPL before dispatch
- Contact us on WhatsApp for a quotation
