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The LG9716220005+146/1 GB3452.1-16X2.65 O-Ring Seal is a precision-molded, high-performance sealing component designed for critical fluid applications in SINOTRUK Howo heavy-duty trucks. As a trusted supplier of genuine Sinotruk howo parts, we offer this OEM-grade O-ring seal as a direct replacement for the original factory component. The LG9716220005+146/1 seal provides reliable, leak-free sealing for a wide range of applications including fuel injection systems, hydraulic circuits, oil galleries, and coolant passages. Manufactured from high-quality nitrile rubber (NBR) with precision-molded dimensions conforming to the GB3452.1 standard (16mm inner diameter x 2.65mm cross-section), this O-ring seal resists compression set, heat aging, and chemical degradation, ensuring long-lasting performance and preventing costly fluid leaks that can lead to component failure and unplanned downtime.
The LG9716220005+146/1 O-ring seal is an essential component for maintaining the integrity of your truck’s fluid systems. A worn or damaged seal can result in fluid leaks, contamination, and system malfunction. This genuine OEM seal restores proper sealing and ensures your HOWO truck operates reliably and efficiently.
OEM direct replacement • High-quality NBR material • GB3452.1 compliant (16×2.65) • Leak-proof sealing • Heat & chemical resistant
The LG9716220005+146/1 is a precision O-ring seal manufactured to the Chinese national standard GB3452.1, with the specific size designation of 16mm inner diameter and 2.65mm cross-section. This seal is designed for use in SINOTRUK Howo A7, T7H, and other heavy-duty truck models, where it provides critical sealing in fuel, oil, coolant, and hydraulic systems. Its OEM-grade construction replicates the original seal’s dimensions, material hardness, and sealing characteristics, ensuring a perfect fit and reliable, leak-free operation.
The O-ring is manufactured from high-grade nitrile rubber (NBR) with a Shore A hardness of 70–75, providing an optimal balance of flexibility, compression resistance, and durability. The material is formulated to resist degradation from petroleum-based fluids, engine oils, coolants, and hydraulic fluids, ensuring consistent sealing performance over a wide temperature range. Its precision-molded cross-section and smooth surface finish minimize friction and ensure a positive seal against the mating surfaces.
The LG9716220005+146/1 seal is designed to function effectively under both static and dynamic sealing conditions, accommodating the thermal expansion, vibration, and pressure fluctuations typical of heavy-duty truck operation. Its resistance to compression set ensures that the seal maintains its original shape and sealing force over extended service intervals, reducing the risk of leaks and the need for frequent maintenance.
Common signs of a failing O-ring seal include visible fluid leaks around the sealing area, oil contamination in coolant systems, fluid pressure drops, and component misalignment due to seal swelling. Replacing a degraded or damaged seal with the LG9716220005+146/1 restores full sealing integrity, preventing fluid loss and protecting critical components from damage.
Whether you’re performing engine overhaul, transmission repair, or hydraulic system maintenance, the LG9716220005+146/1 GB3452.1-16X2.65 O-Ring Seal offers the quality, precision, and reliability that SINOTRUK Howo owners and technicians rely on.
The LG9716220005+146/1 GB3452.1-16X2.65 O-Ring Seal is specifically designed for use in SINOTRUK Howo A7, T7H, and other heavy-duty truck models equipped with diesel engines, including the WD615, D10, D12, and MC series powerplants. This seal serves as a direct replacement for the original factory component and is compatible with a wide range of applications where a 16mm inner diameter O-ring with a 2.65mm cross-section is required.
This O-ring is used in various fluid sealing applications, including engine oil filter housings, fuel injection system connections, hydraulic pump fittings, coolant passages, and transmission oil galleries. Its versatility makes it suitable for a wide range of applications across long-haul transport, construction, mining, and municipal fleets, where reliable sealing is essential for maintaining system integrity and preventing fluid leaks.
When replacing an O-ring seal, it is crucial to verify the correct inner diameter, cross-section, and material compatibility for the specific application. The LG9716220005+146/1 is designed to match the factory specifications, making it a direct replacement. It is also compatible with standard O-ring grooves and retaining hardware used in HOWO chassis components.
For fleets with multiple HOWO models, this seal covers a broad range of applications, simplifying parts inventory and ensuring that the correct seal is readily available for scheduled maintenance or emergency repairs. Always verify the specific size and material requirements on your truck to confirm compatibility, though the LG9716220005+146/1 is the standard O-ring for numerous fluid sealing applications on A7 and T7H chassis.
Installing the LG9716220005+146/1 O-ring seal requires careful attention to detail to ensure a proper, leak-free seal. Begin by safely parking the truck and relieving any system pressure (fuel, oil, or hydraulic) according to your vehicle’s service manual. Disassemble the component housing to access the sealing area.
Remove the old O-ring seal and clean the sealing surfaces thoroughly with a solvent and a lint-free cloth. Remove any old sealant, dirt, or debris from the groove and mating surfaces. Inspect the groove for any damage, burrs, or corrosion that could affect the new seal’s performance – if damage is present, repair or replace the component before proceeding.
Install the new LG9716220005+146/1 O-ring seal into the groove, ensuring it is not twisted or kinked. Apply a thin film of the appropriate fluid (engine oil, hydraulic fluid, or fuel, depending on the application) to the seal to lubricate it during assembly. Carefully reassemble the component, ensuring the seal remains properly seated in the groove and does not become pinched or displaced.
Torque all fasteners to the manufacturer’s specified values to ensure proper clamping force and seal compression. After assembly, refill the system with the correct fluid and check for leaks. Start the engine and allow it to reach operating temperature, then re-inspect the seal area for any signs of leakage.
For maintenance, regularly inspect the seal area for signs of leakage during routine service intervals. The LG9716220005+146/1 is designed for long service life, but factors such as heat, chemical exposure, and mechanical wear can eventually degrade the seal. Replace the O-ring whenever the component is disassembled for service, or at the manufacturer’s recommended intervals.
The LG9716220005+146/1 GB3452.1-16X2.65 O-Ring Seal is manufactured in an ISO 9001-certified facility using advanced molding and quality control processes. The NBR compound is formulated to meet SINOTRUK’s precise specifications for hardness, tensile strength, and resistance to heat, oil, and coolant. Each seal is produced with precision tooling to ensure exact dimensional accuracy and consistent quality.
Every O-ring undergoes a series of quality checks, including dimensional verification (inner diameter, cross-section, and overall tolerance), visual inspection for surface defects, and hardness testing. Random samples from each production batch are subjected to compression set testing (to verify long-term sealing capability), oil aging tests, and tensile strength tests to confirm material performance.
We back the LG9716220005+146/1 with a comprehensive warranty against material and workmanship defects. Our rigorous quality control ensures that every seal delivers the same fit, performance, and reliability as the original factory part, giving you confidence in your truck’s fluid sealing integrity.
Choose genuine quality for your sealing needs – choose the LG9716220005+146/1 GB3452.1-16X2.65 O-Ring Seal.
The LG9716220005+146/1 GB3452.1-16X2.65 O-Ring Seal is a small but essential component that plays a critical role in preventing fluid leaks and maintaining the integrity of your SINOTRUK Howo’s various systems. A worn, damaged, or incorrectly sized O-ring can lead to oil leaks, fuel contamination, coolant loss, and hydraulic system failure – all of which can cause costly downtime, component damage, and safety hazards.
By replacing a degraded seal with this genuine OEM-grade component, you restore proper sealing and ensure that your truck’s fluid systems remain leak-free and reliable. The LG9716220005+146/1 is manufactured from high-quality NBR material with precision-molded dimensions that meet the GB3452.1 standard, guaranteeing a perfect fit and long-lasting sealing performance.
Fleet operators will benefit from reduced fluid loss, lower maintenance costs, and fewer unplanned breakdowns – all of which contribute to lower total cost of ownership. Owner-operators will gain peace of mind knowing that their truck’s fluid systems are protected by a component that meets OEM specifications and is backed by a comprehensive warranty.
Invest in the LG9716220005+146/1 GB3452.1-16X2.65 O-Ring Seal and ensure your SINOTRUK Howo’s fluid systems remain sealed, clean, and protected. Its proven sealing performance, robust construction, and easy replacement make it the smart choice for professionals who demand the best for their vehicles.
Order your LG9716220005+146/1 today and keep your HOWO truck’s systems leak-free, protected, and ready for the challenges of the road.
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