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TPMS Accessories Stem Manufacturer

Fortune manufactures metal clamp-in, rubber snap-in and heavy-duty truck TPMS valve stems for global OEMs, distributors and aftermarket buyers. Since 1996, our team has supplied automotive parts with a focus on stable materials, accurate fitment and dependable batch quality.

Whether you are replacing a damaged valve, building a TPMS service kit or sourcing a private-label product range, we can help match the valve configuration to your sensor, rim and vehicle application.

Fortune TPMS Accessories Quality Control

Fortune use computer-controlled equipment and automated lines, and operate under a TÜV SÜD-certified ISO/TS 16949 quality management system. Our product drawings and test reports remain the final technical documents.

Controlled Production

Fortune match production controls to each product. We use premium EPDM and CNC-machined copper rods for selected rubber valves, and brass, aluminum and steel constructions for selected metal valves. Our checks may cover incoming material, critical dimensions, threads, sealing surfaces, sensor interfaces, appearance and packaging.

Testing Before Shipment

We perform 100% automated leakage testing on our rubber-valve production. Pneumatic leak detection checks assemblies up to 15 kgf/cm², about 212 psi. This is an inspection condition, not the working-pressure rating of every valve. We confirm the applicable report and acceptance criteria by model.

Dimensional and Bonding Inspection

We use defined dimensions for fitment, including a 15 mm rubber base for .453 in (11.5 mm) rim holes, a 19.2 mm base for .626 in (16 mm) applications, a 30 mm TR413 and a 49 mm TR418. We check internal 8V1-1 core threading and the rubber-to-metal bonding interface against the approved drawing. Final tolerances vary by model.

Environmental and Material Verification

For selected rubber projects, we use accelerated ozone aging at 50 pphm and 40°C for 72 hours, together with formulation checks. We can apply material and corrosion checks to metal components and finishes according to the application. We confirm the exact method and acceptance criteria for each product.

why choose Fortune: 30 years of TPMS Accessories expertise

Automotive Manufacturing Experience Since 1996

Founded in 1996, we operate an integrated process covering R&D, rubber compounding, mold processing, CNC machining, assembly and final inspection.

TÜV SÜD-Certified ISO/TS 16949 System

We operate under a TÜV SÜD-certified ISO/TS 16949 quality management system. Product-level TUV, DOT or other documents depend on the model and target market.

30+ Engineers and In-House Development

Our in-house R&D team includes more than 30 engineers supporting material review, tooling, sampling and production transfer.

Complete Valve Portfolio

The range includes rubber products for 8.8 mm, 11.5 mm and 16 mm rim holes; metal families such as MS525, TR416, TR500, TR540, TRJ650, V3.20 and VS-8; high-pressure TR600HP, TR602HP, TR801HP and TR802HP; plus cores, caps, extensions and service parts.

100% Pre-Shipment Inspection

We state that every outgoing rubber valve passes automated leakage testing. Dimensional, assembly, sealing and packaging checks for a TPMS order are confirmed in the order documents.

Global Export and Logistics Support

Fortune from Ningbo, China, we export automotive parts to 50+ countries across the Americas, Europe, Asia and Oceania. North American offices and warehouses have supported orders since 2014; terms, lead time and documents are confirmed per order.

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FAQs about Fortune TPMS Accessories

What information should I send for a TPMS valve quotation?

Send the sensor model or OE number, product photo, vehicle application, wheel or rim information, estimated quantity, destination market and packaging requirement.

Yes. Fortune can review the information you provide and advise which available valve configuration should be checked. Final compatibility is confirmed against the product drawing and application data.

Fortune publicly presents metal, rubber, truck and TPMS accessory categories. Availability, model selection and technical details depend on the current product range.

Sample availability, packaging, MOQ and lead time depend on the model and project requirements. These conditions are confirmed during the quotation process.

Ask Fortune for the documents applicable to the selected product and target market. Only approved certificates, standards and test results should be used in a public product page.

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