FG007Y003002+207/1 M8 Composite Sealing Washer – Precision Sealing for SINOTRUK Sitrak Fluid Systems

The FG007Y003002+207/1 M8 Composite Sealing Washer is a high-integrity sealing component engineered for critical fluid connections in SINOTRUK Sitrak heavy-duty trucks. This OEM-grade washer ensures leak-proof sealing on M8 fasteners used in oil, fuel, and coolant circuits, preventing fluid loss and contamination ingress. As an essential element among Sinotruk Sitrak parts, the FG007Y003002+207/1 combines a rigid metal core with a compliant elastomeric sealing layer, delivering consistent compression and recovery over multiple service cycles. The FG007Y003002+207/1 is engineered to withstand high pressures, temperature extremes, and aggressive fluids, making it a reliable choice for engine, transmission, and hydraulic system applications.

Product Overview – FG007Y003002+207/1 M8 Composite Sealing Washer

The FG007Y003002+207/1 M8 Composite Sealing Washer is a precision-molded sealing solution designed for use with M8 threaded fasteners in SINOTRUK Sitrak powertrain and chassis systems. Its unique composite construction features a zinc-plated steel outer ring that provides structural rigidity and a captive inner elastomer ring that deforms under compression to fill surface imperfections, ensuring a positive seal even on slightly scratched or pitted mating surfaces.

This washer is widely used in oil pan drain plugs, transmission fill ports, fuel filter housings, and hydraulic valve blocks where a reliable, reusable seal is required. Unlike traditional copper or aluminum washers that may require frequent replacement, the FG007Y003002+207/1 offers superior recovery and extended service life, reducing maintenance downtime and consumable costs.

Key Features of the FG007Y003002+207/1 M8 Composite Sealing Washer

Additionally, the FG007Y003002+207/1 features a bright zinc-plated outer ring for corrosion resistance, and the elastomer is color-coded (blue) for easy identification. These attributes make it a preferred choice for professional workshops and fleet maintenance programs.

Technical Specifications – FG007Y003002+207/1 M8 Composite Sealing Washer

The table below lists the exact dimensional and material properties of the FG007Y003002+207/1. All values conform to SINOTRUK’s original equipment specifications.

Parameter	Value
OEM Number	FG007Y003002+207/1
Product Name	M8 Composite Sealing Washer
Brand	SINOTRUK Sitrak
Material (Core)	Zinc-plated steel
Material (Sealing Element)	Nitrile rubber (NBR)
Internal Diameter (ID)	8.4 mm ±0.1 mm
External Diameter (OD)	16.0 mm ±0.2 mm
Thickness (uncompressed)	2.5 mm ±0.1 mm
Hardness (Shore A)	75 ± 5
Operating Temperature	-40°C to +125°C
Max. Recommended Torque	25 Nm (for M8 fastener)
Fluid Compatibility	Engine oil, diesel, coolant, hydraulic oil, ATF
Reusability	Up to 3 cycles (recommended)
Weight	~ 3.2 g

Always confirm that the FG007Y003002+207/1 matches the application requirements. Using the correct washer helps maintain proper torque retention and prevents thread galling or fluid weepage.

Applications and Compatibility

The FG007Y003002+207/1 M8 Composite Sealing Washer is used extensively on SINOTRUK Sitrak models including C7H, T7H, A7, and H7 series. Common mounting points include oil drain plugs, transmission level plugs, fuel filter bleed screws, coolant drain cocks, and hydraulic manifold ports.

This washer is also compatible with many other commercial vehicle brands that employ M8 sealing washers with similar dimensions, making the FG007Y003002+207/1 a versatile workshop inventory item. Its robust design suits both on-highway and off-highway equipment such as construction machinery, agricultural tractors, and stationary power units.

Installation and Maintenance Tips

Always use genuine FG007Y003002+207/1 washers to ensure the correct durometer and compression set characteristics. Inferior copies may leak or lose clamp load over time, leading to fluid loss and potential component damage.

Why Choose the FG007Y003002+207/1 M8 Composite Sealing Washer?

Opting for the genuine FG007Y003002+207/1 guarantees a sealing washer that has passed stringent compression set, oil immersion, and torque retention tests. Unlike generic washers that may use low-grade rubber or thin metal, this composite washer delivers consistent sealing force and maintains its shape under thermal cycling.

The FG007Y003002+207/1 is also environmentally friendlier due to its reusability, reducing waste and lowering the total cost of ownership. Fleet operators who switch to this washer often report fewer leak-related callbacks and improved workshop efficiency.

Industry Standards and Certifications

The FG007Y003002+207/1 complies with ISO 3601 for fluid power seals and SAE J1453 for sealing washer performance. It is manufactured under ISO 9001:2015 certified processes, ensuring consistent quality. The steel core meets ASTM B633 for zinc plating thickness.

To avoid counterfeit products, always source the FG007Y003002+207/1 from authorized distributors. Genuine washers are packaged in SINOTRUK-branded bags with the part number clearly printed. Using non-certified seals can void warranty and lead to costly fluid leaks.

Common Issues and Solutions

Even with the robust FG007Y003002+207/1, certain conditions can cause sealing failures. If you notice a weep of fluid around the fastener, check for over-torquing that may have crushed the elastomer, or under-torquing that fails to compress the bead adequately. Replace the washer with a new FG007Y003002+207/1 and torque to spec.

If the washer appears hardened or cracked after exposure to high temperatures or aggressive chemicals, it may have reached its service limit. Always use the recommended fluid types and replace the washer if it shows any signs of deterioration. Regular visual inspection during oil changes can prevent unexpected leaks.

Environmental Impact and Sustainability

SINOTRUK is dedicated to reducing the environmental footprint of its components. The FG007Y003002+207/1 is produced using energy-efficient molding processes and the steel core is fully recyclable. Its extended reusability significantly cuts down on the number of washers disposed of over the vehicle’s life.

By preventing fluid leaks, this washer also helps avoid soil and water contamination, contributing to a cleaner environment. When replacing, dispose of used washers responsibly – separate the metal and rubber components where recycling facilities exist.

Conclusion – Trust the FG007Y003002+207/1 for Your SINOTRUK Sitrak

The FG007Y003002+207/1 M8 Composite Sealing Washer may be small, but its impact on fluid system integrity is immense. With its durable composite construction, excellent chemical resistance, and reusable design, it provides a cost-effective, reliable sealing solution for SINOTRUK Sitrak trucks.

In this detailed guide, we have covered the features, specifications, installation practices, and sustainability aspects of the FG007Y003002+207/1. Armed with this information, you can confidently select the genuine washer that keeps your equipment leak-free and operating efficiently.

Explore our full range of authentic SINOTRUK Sitrak components and ensure your fleet receives the best in quality and performance. Choose the FG007Y003002+207/1 – the trusted sealing washer for professionals worldwide.