C5537768 Cylinder Head Gasket is a heavy-duty composite sealing spacer installed between cylinder block and cylinder head for DFCV ISZ14 diesel engine. It separates combustion gas, cooling liquid and engine lubricating oil, preventing cross mixing of different media under high cylinder pressure and frequent thermal shock. This aftermarket replacement gasket fixes cylinder compression drop, coolant and oil mixing, white smoke and engine overheating caused by gasket punch-through, crack formation and elastic layer failure of worn original gaskets. Stable sealing protects normal cylinder combustion and avoids sudden engine shutdown for heavy trucks used for long-distance highway heavy cargo transport.
Product Advantages Constructed from multi-layer steel metal composite material with reinforced fire ring structure for high pressure and high temperature resistance. Precision punching matches water holes, oil passages and cylinder bores accurately. The material maintains stable rebound performance after repeated temperature cycles. Each gasket undergoes air tightness inspection and thickness verification before shipment, OEM specification for direct installation during engine overhaul.
| Item | Parameter |
|---|---|
| Part Number | C5537768 |
| Product Name | Cylinder Head Gasket |
| Matching Engine | DFCV ISZ14 |
| Material | Multi-Layer Composite Metal With Reinforced Fire Ring |
| Feature | High Pressure Resistant, Anti-Blowout, Oil-Water Isolation, Thermal Shock Resistant |
| MOQ | Negotiable |
| Application | Cylinder Block and Cylinder Head Media Isolation & Sealing Assembly |
Applicable Models Fit for DFCV heavy-duty trucks equipped with ISZ14 diesel engine, widely used for intercity heavy cargo transportation and long-haul bulk freight delivery.



FAQ
Q1: What typical failure signs can be found if the cylinder head gasket blows?
A1: Engine overheating, milky engine oil and continuous white exhaust smoke during operation.
Q2: Is it acceptable to reuse the disassembled cylinder head gasket?
A2: Absolutely not, the sealing structure has been compressed and cannot withstand combustion pressure again.
Q3: What core requirement should be followed when fitting a new gasket?
A3: Clean the mating surfaces completely and tighten head bolts strictly by specified sequence and torque.