How to choose a good cylinder gasket? What are the material differences?
Metal materials(1) Copper-based materialsFeatures: good thermal conductivity, high temperature resistance (up to 500°C), commonly used in traditional processes, but soft texture, may deform due to thermal expansion after long-term use.Application: old engines or high-load diesel engines, requiring regular maintenance.(2) Steel-based material types: low carbon steel, stainless steel (such as 304/316).Features: high strength, good elasticity, high pressure and high temperature resistance (especially stainless steel), but heavy weight.Application: modern high-performance engines or turbocharged models.
2. Composite materials(1) Asbestos-based materialsFeatures: Asbestos fiber + rubber/resin, high temperature resistance and good sealing performance, but asbestos is carcinogenic and is now mostly replaced.Application: Old models, now replaced by environmentally friendly materials.(2) Non-asbestos fiber (asbestos-free gasket)Material: Aramid fiber, glass fiber, graphite, ceramic fiber, etc.Features: Environmentally friendly, high temperature resistance (300-400℃), chemical corrosion resistance, and comprehensive performance close to asbestos.Application: Mainstream family cars, light diesel engines.(3) Metal composite materialsStructure: Metal skeleton (steel/aluminum) combined with elastic materials (rubber, graphite).Features: Both strength and flexibility, excellent sealing performance.Application: Modern passenger cars and commercial vehicles.

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Automotive Engine Overhaul Kits: A Comprehensive Analysis and Buying Guide
OEM&ODM
What is your sample policy?
We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
What is your terms of delivery?
EXW, FOB
Do you test all your goods before delivery?
Yes, we have 100% test before delivery.
How about your delivery time?
Generally, it will take 5 to 7 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
What is your terms of packing?
Generally, we pack our goods in WTA and SOYI packing. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.




WTA 04111-56070 Full Gasket Kit for Toyota 14B engines, compatible with Toyoace, Dyna, and Daihatsu Delta 3.7L models. This High Quality Engine Overhaul Kit ensures a perfect seal and reliable performance during engine rebuilds. Trusted quality for lasting durability.
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