- ADDRESS：Jinan City, Shandong Province
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
The 202V025036022 Piston Rings is a premium, heavy-duty chassis engine component engineered specifically for SINOTRUK Howo trucks, delivering reliable combustion sealing, oil control and heat transfer for the diesel power plant. As a trusted supplier of genuine Sinotruk howo parts, we offer this OEM-grade piston ring set as a direct replacement for the original factory components. The 202V025036022 rings ensure correct compression, minimal oil consumption and dependable performance on Howo A7, T7H and related heavy-duty models.
Manufactured from high-strength cast iron or steel with precision-formed profiles, wear-resistant coatings and correct end gaps, the 202V025036022 Piston Rings are built to exact OEM dimensions. Its robust construction maintains proper cylinder wall contact, resists heat and pressure, and provides dependable performance even under the constant load, heat and vibration of commercial truck operation.
OEM 202V025036022 • Precision formed • High-temperature resistant • Wear resistant • Direct OEM fit
The Piston Rings are critical components of the diesel engine in SINOTRUK Howo trucks. They sit in the grooves of the piston and press against the cylinder liner to seal the combustion chamber, control oil consumption and transfer heat from the piston to the liner. The rings must withstand high temperatures, pressures and sliding friction while maintaining a precise fit.
This 202V025036022 set is precision-manufactured to exact OEM dimensions. The compression rings are formed with the correct profile and tension for optimal sealing, while the oil control ring has the proper expander and rails for efficient oil return. The rings are coated for wear resistance and are designed to work with the factory piston and liner.
Common signs that piston rings need replacement include excessive oil consumption, blue exhaust smoke, low compression, engine knocking, and visible wear or breakage on the rings. Fitting a new 202V025036022 set restores compression, oil control and engine reliability.
Whether you are rebuilding an engine, repairing a worn cylinder or carrying out a major fleet overhaul, the 202V025036022 Piston Rings deliver the quality, precision and durability that SINOTRUK Howo professionals expect.
The 202V025036022 Piston Rings are designed for SINOTRUK Howo trucks, with primary compatibility across the A7, T7H, HOWO 371 and HOWO 380 series. It is a direct OE replacement, so it fits the factory piston, cylinder liner and ring grooves without modification.
This ring set is essential in applications where engine reliability and performance are critical, such as long-haul transport, construction, mining and municipal service. In these duties, the rings must withstand high combustion pressures, continuous sliding friction and extreme temperatures without losing sealing or oil control.
When replacing the piston rings, it is recommended to inspect the piston, cylinder liner, piston pin and connecting rod for wear or damage. The 202V025036022 is designed to work with the factory engine components, ensuring correct fit and reliable operation. It is suitable for both standard and heavy-duty engine configurations.
For fleets with multiple HOWO trucks, standardising on the 202V025036022 simplifies engine repair inventory and ensures the correct ring set is available for scheduled overhauls or emergency repairs.
Replacing the 202V025036022 Piston Rings is a major engine repair that requires mechanical expertise, specialised tools and a clean workshop. This work should be performed by qualified technicians with experience in heavy-duty diesel engine rebuilding. Begin by removing the cylinder head and oil pan to access the pistons.
Remove the piston and rod assembly from the cylinder, then remove the old rings using a ring expander. Clean the piston ring grooves thoroughly and check for wear or carbon buildup. Inspect the cylinder liner for scoring or ovality and replace if necessary.
Install the new 202V025036022 rings onto the piston using a ring expander, ensuring the correct ring is in the correct groove and the markings face upward. Check the ring end gap in the cylinder liner. Compress the rings with a ring compressor and insert the piston assembly into the liner.
After reassembly, fill the engine with the correct oil, prime the lubrication system and start the engine. Listen for unusual noises and monitor oil pressure. For ongoing maintenance, change the oil and filter regularly and avoid over-revving the engine when cold. Keeping the piston rings in good condition ensures engine reliability and long life.
The 202V025036022 Piston Rings are manufactured in an ISO 9001-certified facility using advanced casting, forming, coating and testing processes. Raw materials are sourced from certified suppliers and tested for chemical composition, hardness and thermal stability before production.
Each ring set is precision-manufactured to exact OEM dimensions. The ring profiles are checked for correct shape, the end gaps are verified, and the surface coatings are inspected for thickness and adhesion. Every set is inspected for cracks, distortion and dimensional accuracy.
Random samples from each production batch undergo thermal cycling, wear testing and salt-spray testing to validate long-term reliability under real-world conditions. These tests ensure the 202V025036022 continues to deliver reliable sealing and oil control throughout its service life.
We back the 202V025036022 with a comprehensive 12-month warranty against material and workmanship defects. Our rigorous quality control ensures that every piston ring set delivers the same fit, performance and durability as the original factory component.
The 202V025036022 Piston Rings are vital components for maintaining the power, efficiency and reliability of your Howo truck’s diesel engine. Worn or damaged rings cause loss of compression, high oil consumption and engine failure. Replacing them with this genuine OEM-grade set restores proper sealing and engine performance.
Manufactured from high-strength materials with precision-formed profiles and wear-resistant coatings, the 202V025036022 offers outstanding sealing, oil control and long-term durability. Its exact OEM fit ensures straightforward installation and reliable operation.
Fleet operators benefit from reduced engine downtime, lower maintenance costs and improved vehicle reliability. Owner-operators gain peace of mind knowing their engine is rebuilt with rings that meet strict OEM standards and are backed by a comprehensive warranty.
Order the 202V025036022 Piston Rings today and keep your SINOTRUK Howo running strong for years to come.
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
