- ADDRESS：Wanda Plaza, Jinan, Shandong, China
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
The piston ring subassembly is critical for maintaining compression, controlling oil consumption, and ensuring efficient heat transfer in your SINOTRUK HOWO engine. The genuine SINOTRUK HOWO 13600-1004002A* Piston Ring Subassembly is an OEM‑grade set engineered to exacting tolerances for reliable sealing and long service life. As a vital part of the trusted Sinotruk howo parts family, this ring set guarantees perfect fitment, superior material quality, and consistent performance. Manufactured from high‑strength ductile iron with advanced coatings, the 13600‑1004002A* set withstands extreme combustion pressures and temperatures in mining, construction, and long‑haul applications. Investing in this authentic component restores engine power, reduces oil consumption, and prevents costly blow‑by.
Piston Ring Subassembly
Поршневые кольца в сборе
Subconjunto de anillos de pistón
The 13600-1004002A* piston ring subassembly typically includes a top compression ring, second compression ring, and an oil control ring set. The top ring is often made of ductile iron with a moly‑ or chrome‑coated face for exceptional wear resistance and scuff prevention. Its barrel‑faced design promotes rapid seating and maintains an effective seal under high cylinder pressures. The second ring may be taper‑faced or napier style to assist in oil scraping and provide a secondary gas seal. Each ring is precisely machined to maintain the correct gap and tension for the specific bore diameter.
The oil control ring assembly usually consists of two thin steel rails and a expander spacer that applies radial pressure to the cylinder wall. This design effectively scrapes excess oil from the bore, returning it to the sump while leaving a thin lubricating film. All rings are subjected to rigorous quality checks, including tensile strength, hardness, and free gap measurement. The result is a ring set that provides optimal sealing, minimizes blow‑by, and controls oil consumption, ensuring your SINOTRUK HOWO engine delivers maximum power and efficiency.
The table below provides detailed technical specifications for the genuine SINOTRUK HOWO 13600-1004002A* Piston Ring Subassembly. This data is essential for verifying compatibility and understanding the component’s capabilities.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | 13600-1004002A* | SINOTRUK HOWO Original Code |
| Product Name | Piston Ring Subassembly | Complete ring set for one piston |
| Ring Configuration | 3‑piece set (compression, compression, oil) | Standard for heavy‑duty |
| Bore Diameter (mm) | Model‑specific (e.g., 126 mm) | Verify engine size |
| Top Ring Material | Ductile iron, moly‑coated | Wear resistant |
| Second Ring Material | Cast iron, phosphate coated | Oil scraping |
| Oil Ring Type | 3‑piece (steel rails + spacer) | Effective oil control |
| Ring Width (mm) | Model‑specific | Fits piston grooves |
| Radial Wall Thickness | Model‑specific | Ensures proper tension |
| End Gap (installed) | As per service manual | Critical for sealing |
| Operating Temperature | Up to 400°C | Withstands combustion |
| Compatible Engines | SINOTRUK HOWO diesel engines | Verify piston size |
Installing piston rings requires careful attention to detail. First, ensure the cylinder bore is deglazed and within specifications. The new 13600-1004002A* rings must be checked for proper end gap by placing them in the bore and measuring with a feeler gauge. Rings are installed onto the piston using a ring expander tool to avoid distortion. Position the ring gaps according to the engine manufacturer’s specifications (typically staggered around the piston). Lubricate the rings and piston with clean engine oil before assembly into the bore.
The 13600-1004002A* piston ring set is a direct OEM replacement for specific SINOTRUK HOWO engines. Compatibility must be verified by matching the part number with your engine’s model and piston size. Using the correct rings ensures proper sealing, oil control, and longevity. Always refer to the service manual for ring orientation (some rings have a top side marked). After installation, the engine should be broken in according to recommended procedures to allow the rings to seat properly. Genuine SINOTRUK HOWO parts guarantee a perfect fit and reliable performance.
During installation, stagger the ring gaps evenly around the piston (e.g., 120° apart) to minimize blow‑by. Never roll the rings onto the piston; use a ring expander to avoid twisting or scratching the piston.
The precision‑manufactured rings of the 13600-1004002A* set create an effective seal between the piston and cylinder wall, maximizing compression for powerful combustion and improved fuel economy.
The advanced oil ring design minimizes oil consumption by effectively scraping excess oil from the cylinder walls, reducing emissions and preventing carbon buildup.
Hard coatings and durable base materials resist wear from abrasive particles and high temperatures, ensuring the rings maintain their sealing ability for hundreds of thousands of kilometers.
Worn piston rings often cause blue exhaust smoke (oil burning), increased oil consumption, loss of power, and poor compression. A compression test or leak‑down test can confirm ring sealing issues. During an engine rebuild, rings should always be replaced. If the cylinder bore is worn or out of round, it may need to be machined and oversize rings used.
Ignoring worn rings can lead to glazed cylinders, stuck rings, and eventual engine failure. Replacing them with a genuine 13600-1004002A* set during an overhaul restores compression, reduces oil consumption, and ensures like‑new engine performance.
To maximize piston ring life, use high‑quality engine oil and change it at recommended intervals. Clean oil prevents abrasive wear and ring sticking. Avoid prolonged idling and excessive cold starts. Ensure the engine reaches operating temperature to burn off deposits. Keep the air filter clean to prevent dust ingestion.
During major overhauls, always use genuine SINOTRUK HOWO parts like the 13600‑1004002A* piston ring set. Proper break‑in of new rings is essential: avoid heavy loads for the first few hundred kilometers and vary engine speed to promote seating.
Generic aftermarket piston rings may have incorrect tension, material, or coating, leading to poor sealing, high oil consumption, or rapid wear. The genuine SINOTRUK HOWO 13600-1004002A* piston ring subassembly is engineered to the exact specifications of your engine, ensuring proper fit, material properties, and durability. It is manufactured under strict quality controls to withstand the extreme demands of heavy‑duty diesel operation.
By choosing the authentic part, you protect your investment and ensure your engine delivers reliable power for years to come. For engine rebuilders and owner‑operators who demand the best, the genuine 13600‑1004002A* is the only responsible choice.
We are a first-class heavy duty vehicles and spare parts supplier in China. which covers from engine, gearbox, cab, axle assemblies to main assembly accessories, electrical parts and other chassis parts like brake, clutch and steering parts.
A PROFESSIONAL CHINA TRUCK AND SPARE PARTS SUPPLIER
@Copyright DERUNA
