100PCS Copper Sealing Washer Assortment Kit, High-Purity Red Copper Flat Gasket Set for Automotive Brake, Fuel Lines & Industrial Hydraulic Fittings
100PCS high-purity red copper sealing washer assortment kit, featuring 9 common sizes for automotive brake systems, fuel lines, hydraulic fittings, and industrial machinery repairs. Made from 99.9% pure red copper, these flat gaskets offer excellent ductility, heat resistance, and corrosion protection, ensuring a tight, leak-proof seal even on rough or worn surfaces. The organized storage box keeps sizes separated for quick access, making it ideal for mechanics, fleet managers, and industrial maintenance teams.
Description
100PCS Copper Sealing Washer Assortment Kit, High-Purity Red Copper Flat Gasket Set for Automotive Brake, Fuel Lines & Industrial Hydraulic Fittings
Auto Parts & Industrial Hardware Dual Category | 9 Sizes for All Your Sealing Needs
🔍 Product Description
Our 100PCS copper sealing washer assortment kit is a must-have for auto mechanics, fleet managers, and industrial maintenance teams. This all-in-one set includes 9 of the most commonly used sizes of high-purity red copper gaskets, perfect for sealing automotive brake lines, fuel injectors, hydraulic fittings, and industrial machinery connections. Made from 99.9% pure red copper, these washers offer exceptional ductility, allowing them to crush evenly and fill imperfections in mating surfaces—creating a tight, leak-proof seal that resists heat, vibration, and corrosion.
The kit comes neatly organized in a durable plastic storage box, with each size separated into its own compartment for quick identification and access. Whether you’re repairing a truck brake system, maintaining a boat engine, or fixing industrial hydraulic equipment, this kit ensures you always have the right size copper washer on hand, reducing downtime and increasing efficiency.
✨ Key Features
- 100PCS All-in-One Kit – 9 common sizes (5mm ID×9mm OD to 14mm ID×18mm OD) for universal automotive and industrial use
- 99.9% High-Purity Red Copper – Superior ductility and corrosion resistance for long-lasting sealing performance
- Heat & Pressure Resistant – Withstands temperatures up to 500°C and high pressure, ideal for high-fluid systems
- Organized Storage Box – Compartmentalized design keeps sizes separated for quick access and easy organization
- Auto Parts & Hardware Dual Use – Perfect for automotive brake/fuel systems, truck/boat engines, and industrial machinery
- Crush-to-Seal Design – Conforms to rough/worn surfaces to create a tight, leak-proof seal every time
📊 What’s Included (Size & Quantity)
1. 5mm ID × 9mm OD – 15PCS
2. 6mm ID × 10mm OD – 15PCS
3. 6mm ID × 12mm OD – 10PCS
4. 8mm ID × 12mm OD – 10PCS
5. 8mm ID × 14mm OD – 10PCS
6. 10mm ID × 14mm OD – 10PCS
7. 12mm ID × 16mm OD – 10PCS
8. 12mm ID × 18mm OD – 10PCS
9. 14mm ID × 18mm OD – 10PCS
Total: 100PCS | Net Weight: 87.65g | Box Dimensions: 12.8×6.5×2.3cm
🔧 Applicable Scope
- Auto Parts: Automotive brake assemblies, fuel injectors, fuel lines, hydraulic pipelines of trucks/passenger cars/classic cars
- Industrial Hardware: Industrial hydraulic fittings, compressor systems, mechanical equipment connections
- Marine Equipment: Boat engines, offshore machinery, saltwater environment fluid connections
- DIY & Maintenance: Ideal for mechanics, fleet managers, and industrial maintenance teams
⭐ Customer Reviews
Jake R. (Australia, Classic Car Restorer)
“I needed a reliable copper washer kit for restoring my 1967 Ford Mustang’s brake and fuel lines. This 100PCS set had every size I needed, and the high-purity copper sealed perfectly—no more leaks after 3 months of driving. The storage box is a huge plus for keeping my workshop organized!”
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Sofia M. (Italy, Marine Technician)
“We use these copper gaskets for boat engine maintenance, and this 100PCS kit has been a lifesaver. The marine-grade corrosion resistance holds up perfectly in saltwater, and the 9 sizes cover all our engine fitting needs. The team loves how easy it is to grab the right size from the organized box.”
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Order Your 100PCS Copper Sealing Washer Kit Today!
Bulk orders for auto fleets/industrial maintenance enjoy exclusive discounts!
