Product Introduction C5537517 Seal Ring is a compact circular sealing component tailored for ISZ14 engine assembly. It fits into pre-machined grooves at key connection joints, forming a tight barrier to contain pressurized fluid and block the reverse entry of airborne contaminants. This aftermarket replacement part addresses faint fluid seepage, unstable system pressure and progressive component wear that stem from material fatigue, permanent compression set and chemical degradation of aged rings. Consistent sealing performance safeguards the normal operation of fuel or lubrication circuits and helps long-haul fleets cut unplanned inspection and maintenance work on the road.
Product Advantages Fabricated from high-grade fluorine rubber compound, with strong resistance against thermal aging and corrosion by diesel and engine oil. The uniform circular cross-section ensures balanced contact pressure once installed inside the groove. It maintains good resilience even under cyclic temperature changes and vibration from engine operation. Every batch undergoes compression set sampling test before delivery, accurate dimensions for hassle-free fitting during engine disassembly and overhaul.
| Item | Parameter |
|---|---|
| Part Number | C5537517 |
| Product Name | Seal Ring |
| Matching Engine | ISZ14 |
| Material | Fluoro Rubber |
| Feature | Fluid Sealing, Resist Heat And Oil Erosion |
| MOQ | Negotiable |
| Application | Engine Fuel / Lubrication Pipeline Joint Sealing |
Applicable Models Compatible with heavy-duty commercial trucks fitted with ISZ14 diesel engine, commonly used for highway bulk cargo transportation.

