- ADDRESS：Jinan City, Shandong Province
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
The 14344 Oil Ring is a premium, heavy-duty chassis sealing component engineered specifically for SINOTRUK Howo trucks, delivering reliable oil retention and contamination exclusion for wheel hubs, transmission shafts and differential assemblies. As a trusted supplier of genuine Sinotruk howo parts, we offer this OEM-grade oil ring as a direct replacement for the original factory component. The 14344 oil ring ensures a tight, long-lasting seal that prevents lubricant from escaping and keeps dust, water and grit out of critical rotating joints.
Manufactured from high-performance nitrile rubber (NBR) or fluorocarbon (FKM) with a precision-formed lip and a corrosion-resistant garter spring, the 14344 Oil Ring is built to exact OEM dimensions. Its robust construction maintains sealing pressure across a wide temperature range, resists oil, diesel, coolant and road salt, and withstands the constant rotation, vibration and pressure fluctuations of commercial truck operation.
OEM 14344 • Precision sealing lip • Oil and diesel resistant • High-temperature stable • Direct OEM fit
The 14344 Oil Ring is a critical sealing component in the chassis and drivetrain of SINOTRUK Howo trucks. It is used to seal rotating shafts and hubs, preventing lubricant from leaking out and contaminants from entering. Common applications include wheel hub oil seals, transmission output seals, differential pinion seals and steering knuckle seals. A failed oil ring can lead to oil loss, bearing damage and costly repairs.
This 14344 oil ring is precision-molded to exact OEM dimensions. The sealing lip is formed to the correct angle and thickness, and the garter spring maintains consistent radial force against the shaft. The outer diameter is sized for a secure press-fit in the housing bore, ensuring the seal stays in place under vibration and pressure.
Common signs that an oil ring needs replacement include visible oil leaks around the hub or shaft, grease contamination on brake components, excessive play in bearings, and dirt or water ingress into the housing. Fitting a new 14344 oil ring restores proper sealing and protects the internal components from damage.
Whether you are servicing a wheel hub, rebuilding a differential or carrying out preventive maintenance on a fleet of Howo trucks, the 14344 Oil Ring delivers the quality, fit and durability that SINOTRUK Howo professionals expect.
The 14344 Oil Ring is designed for SINOTRUK Howo trucks, with primary compatibility across the A7, T7H, HOWO 371 and HOWO 380 series that use the standard wheel hub, transmission and differential assemblies. It is a direct OE replacement, so it fits the factory housing bore and shaft without modification.
This oil ring is essential in applications where reliable sealing and contamination exclusion are critical, such as long-haul transport, construction, mining and municipal service. In these duties, the seal must retain lubricant, exclude water and dust, and resist heat and pressure to protect bearings, gears and shafts.
When replacing the oil ring, it is recommended to inspect the shaft surface, housing bore and adjacent bearings for wear or damage. The 14344 is designed to work with the factory components, ensuring proper fit and reliable operation. It is suitable for both standard and heavy-duty sealing configurations.
For fleets with multiple HOWO trucks, standardising on the 14344 Oil Ring simplifies sealing repair inventory and ensures the correct seal is available for scheduled maintenance or emergency repairs.
Replacing the 14344 Oil Ring is a moderately simple procedure that requires mechanical expertise and appropriate tools. This work should be performed by qualified technicians with experience in heavy-duty chassis sealing systems. Begin by safely raising the vehicle and supporting it on stands.
Remove the shaft or hub as required to access the old oil ring. Use a seal puller or pry bar to remove the seal from the housing bore, taking care not to damage the bore or shaft. Clean the bore and shaft thoroughly and inspect for wear, scoring or corrosion.
Lubricate the new 14344 seal lip with clean oil or grease, then press it squarely into the housing bore using a seal driver or a flat plate. Ensure the seal is fully seated and not cocked. Reassemble the shaft or hub and check for smooth rotation.
After installation, check for leaks and top up the lubricant as required. Road-test the vehicle and re-check for leaks after the first few kilometres. For ongoing maintenance, inspect the seal at every major service and replace it if any leakage, cracking or hardening is found. Keeping the seal in good condition ensures reliable lubrication and long component life.
The 14344 Oil Ring is manufactured in an ISO 9001-certified facility using advanced rubber compounding, molding, trimming and assembly processes. Raw materials are sourced from certified suppliers and tested for hardness, tensile strength, elongation and fluid resistance before production.
Each oil ring is precision-molded to exact OEM dimensions. The inner diameter, outer diameter and lip thickness are verified using automated gauging. The garter spring is checked for correct tension and corrosion resistance. Every seal is inspected for surface defects and dimensional accuracy.
Random samples from each production batch undergo heat aging, fluid immersion and compression set testing to validate long-term reliability under real-world conditions. These tests ensure the 14344 continues to deliver a tight, long-lasting seal throughout its service life.
We back the 14344 with a comprehensive 12-month warranty against material and workmanship defects. Our rigorous quality control ensures that every oil ring delivers the same fit, sealing performance and durability as the original factory component.
The 14344 Oil Ring is a small but critical component that keeps your Howo truck’s chassis and drivetrain properly lubricated and protected. A worn or damaged oil ring allows oil to leak out and water, dust and grit to enter, leading to bearing failure, gear wear and costly repairs. Replacing it with this genuine OEM-grade oil ring restores reliable sealing.
Manufactured from high-performance NBR or FKM rubber with a precision sealing lip and a corrosion-resistant garter spring, the 14344 offers outstanding fluid resistance, temperature stability and long-term durability. Its exact OEM fit ensures straightforward installation and reliable performance.
Fleet operators benefit from reduced drivetrain downtime, lower maintenance costs and improved vehicle reliability. Owner-operators gain peace of mind knowing their hubs, shafts and differentials are sealed by a component that meets strict OEM standards and is backed by a comprehensive warranty.
Order the 14344 Oil Ring today and keep your SINOTRUK Howo sealed and protected 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
