Premium WG9012320103 Bearing Seat for Sinotruk Sitrak Trucks
MQ6566310110
Engine Oil Pan Plug Seal Ring Sitrak
Уплотнительное кольцо пробки масляного поддона двигателя Sitrak
The MQ6566310110 Engine Oil Pan Plug Seal Ring is a critical sealing component designed specifically for Sinotruk Sitrak parts systems, including the popular Sitrak C7H, C5H, and HOWO T7H heavy-duty truck models. This high-quality seal ring ensures a perfect, leak‑free seal between the oil pan drain plug and the oil pan, preventing costly oil leaks that can lead to engine damage, environmental contamination, and unscheduled downtime.
Engineered to meet the rigorous demands of heavy‑duty diesel engines, the MQ6566310110 seal ring is manufactured from advanced polymer materials that resist high temperatures, oil degradation, and mechanical compression set, ensuring consistent sealing performance over thousands of service hours and multiple oil change intervals.
Oil Pan Plug Seal Ring
Уплотнительное кольцо
Anillo de sellado
Technical Specifications – MQ6566310110 Oil Pan Plug Seal Ring
| Parameter | Specification / Value |
|---|---|
| OEM Number | MQ6566310110 |
| Product Name | Engine Oil Pan Plug Seal Ring |
| Brand | SINOTRUK Sitrak |
| Material | High‑performance NBR (nitrile) / FKM (Viton) compatible |
| Inner Diameter | 18.0 mm (nominal) |
| Outer Diameter | 24.0 mm |
| Cross‑section Thickness | 3.0 mm |
| Operating Temperature | -40°C to +120°C |
| Hardness (Shore A) | 70 ± 5 |
| Application | Oil pan drain plug sealing |
| Compatible Models | Sitrak C7H, C5H, HOWO T7H, A7, T5G, and other SINOTRUK trucks |
| Service Life | 2–3 oil changes (recommended replacement each oil change) |
| Quality Standard | OEM‑grade, meets SINOTRUK factory specifications |
Overview – MQ6566310110 Engine Oil Pan Plug Seal Ring
The MQ6566310110 Engine Oil Pan Plug Seal Ring is a small but critical component that ensures a reliable, leak‑free seal between the oil pan drain plug and the oil pan in SINOTRUK Sitrak heavy‑duty trucks. This seal ring is designed to compress uniformly when the drain plug is tightened, creating a positive seal that prevents engine oil from seeping out. Even a minor leak can lead to low oil levels, increased engine wear, and potential catastrophic failure, making this seal ring an essential part of every oil change and engine maintenance procedure.
Manufactured from high‑quality nitrile rubber (NBR) or fluorocarbon (FKM) compounds, the MQ6566310110 seal ring offers excellent resistance to engine oil, heat, and aging. Its precise dimensions ensure a perfect fit with the original oil pan plug, eliminating the risk of misalignment or improper sealing. The seal ring is designed to be replaced at every oil change to guarantee maximum sealing effectiveness and prevent the hardening or flattening that can occur with repeated use.
Using the genuine MQ6566310110 seal ring is the only way to ensure that your Sitrak truck’s oil pan remains leak‑free and that your engine oil stays clean and at the proper level. This simple, low‑cost component plays a vital role in protecting your engine investment and minimizing environmental impact from oil drips.
The MQ6566310110 seal ring is engineered to provide a positive, leak‑proof seal even under high oil pressure and temperature fluctuations. Its uniform compression ensures that the drain plug remains tight and secure, preventing oil loss and contamination.
Constructed from high‑quality NBR or FKM rubber, the MQ6566310110 seal ring resists swelling, cracking, and degradation caused by exposure to hot engine oil, additives, and contaminants, ensuring long‑lasting sealing performance.
The MQ6566310110 seal ring operates reliably across a broad temperature range from -40°C to +120°C, making it suitable for use in both arctic cold and desert heat without losing its sealing properties.
Designed for quick and simple installation, the MQ6566310110 seal ring can be replaced during routine oil changes with no special tools required, ensuring consistent sealing performance and reducing maintenance time.
Performance Benefits of MQ6566310110 Oil Pan Plug Seal Ring
Prevents Oil Leaks: The MQ6566310110 seal ring ensures that the drain plug remains sealed, preventing costly oil drips that can damage driveways, pollute the environment, and lead to low oil levels.
Protects Engine Components: By maintaining proper oil level and preventing leaks, the MQ6566310110 seal ring helps protect the engine from oil starvation, reducing wear on bearings, pistons, and camshafts.
Environmentally Friendly: A leak‑free oil pan reduces the risk of oil contaminating soil and water, helping your fleet meet environmental regulations and sustainability goals.
Reduces Maintenance Costs: Replacing the MQ6566310110 seal ring at every oil change is a low‑cost practice that prevents expensive engine repairs caused by oil loss or contamination.
Consistent Seal Performance: The high‑quality rubber compound of the MQ6566310110 seal ring maintains its flexibility and sealing force over time, ensuring reliable performance even after prolonged exposure to heat and oil.
OEM Interchangeability: The MQ6566310110 seal ring is a direct replacement for the original factory part, ensuring a perfect fit and compatibility with all SINOTRUK Sitrak oil pan drain plugs.
Compatibility & Installation – MQ6566310110 Seal Ring
Compatible Models:
- Sitrak C7H (all engine variants)
- Sitrak C5H
- HOWO T7H
- HOWO A7
- HOWO T5G
- Other SINOTRUK trucks with standard M18 × 1.5 oil pan plug
The MQ6566310110 seal ring is compatible with the standard oil pan drain plug used across the SINOTRUK heavy truck range. Always verify the plug size (M18 × 1.5) and seal ring dimensions before installation.
Installation Tips & Best Practices:
- Always replace the seal ring with a new MQ6566310110 at every oil change.
- Clean the oil pan sealing surface and the plug threads before installation.
- Apply a thin film of clean engine oil to the seal ring to prevent tearing during tightening.
- Install the seal ring onto the drain plug, ensuring it sits evenly in the groove.
- Thread the plug in by hand to avoid cross‑threading, then torque to 35–45 N·m.
- After tightening, check for any oil seepage around the plug; re‑torque if necessary.
- Do not reuse old seal rings, as they lose elasticity and sealing ability.
Advanced Materials & Manufacturing – MQ6566310110 Seal Ring
The MQ6566310110 seal ring is manufactured using precision molding techniques that ensure consistent dimensions and material properties. The rubber compound is specially formulated to provide an optimal balance of elasticity, compression set resistance, and oil compatibility. Each seal ring is inspected for surface defects, dimensional accuracy, and hardness to guarantee reliable sealing performance.
The nitrile rubber (NBR) material used in the MQ6566310110 seal ring is resistant to petroleum‑based oils, diesel fuel, and common engine additives, ensuring that it remains flexible and effective even after extended exposure to hot oil. The material also exhibits excellent resistance to aging and ozone cracking, providing a long service life when replaced at recommended intervals.
For applications requiring even higher temperature resistance, a fluorocarbon (FKM) version of the MQ6566310110 seal ring is also available, offering superior performance in high‑temperature engines. Regardless of the material choice, every seal ring is designed to meet the strict quality standards of SINOTRUK, ensuring a perfect fit and leak‑free operation every time.
Why Choose the MQ6566310110 Oil Pan Plug Seal Ring?
The MQ6566310110 Engine Oil Pan Plug Seal Ring from SINOTRUK Sitrak is the definitive choice for fleet operators and owner‑drivers who demand leak‑free engine protection, environmental responsibility, and maintenance simplicity. As a genuine OEM‑grade component, it guarantees a perfect fit, reliable sealing, and peace of mind—backed by SINOTRUK’s engineering excellence and decades of experience in heavy commercial vehicle manufacturing.
Whether you are performing a routine oil change or rebuilding an engine, the MQ6566310110 seal ring delivers the performance and reliability you need to keep your Sitrak truck operating at its best. Its proven design, premium materials, and exacting tolerances make it the smart choice for any oil pan sealing application.
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