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Help CenterPrecision Auto Engine Heater Dual Port Tubing Joint PPA Plastics Fabrication IATF16949 EDM Machined Thread Core Philippines
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Changzhou Hongxinyutai Precision Mold Co., Ltd. takes pride in delivering high-precision components tailored for demanding automotive thermal systems. Our Precision Auto Engine Heater Dual Port Tubing Joint, crafted from advanced PPA plastics and featuring EDM machined threads, is designed to ensure reliable fluid transfer and long-term durability under extreme underhood conditions. With a factory spanning 1,000–3,000 square meters and over 7 years of specialized fabrication experience, we offer a product that meets the rigorous standards of global engine heater applications.
This dual‑port tubing joint serves as a critical interface between the engine coolant system and the heater core, enabling efficient heat exchange. The use of PPA (polyphthalamide) provides exceptional chemical resistance, high thermal stability, and mechanical strength – essential for withstanding engine vibrations and temperature fluctuations. Each thread is precisely formed via EDM (Electrical Discharge Machining), ensuring tight tolerances and a burr‑free finish that prevents leaks and simplifies assembly.
The product is manufactured under the framework of IATF16949 (certification available upon request), reflecting our commitment to automotive quality management. Below are the key specifications and features:
| Parameter | Value / Description |
| Material | PPA (Polyphthalamide) – high temperature & chemical resistant |
| Ports | 2 ports (inlet/outlet) for hose connection |
| Thread | EDM machined thread – accuracy ±0.05mm, no flash |
| Temperature Range | -40°C to +150°C (continuous) |
| Pressure Rating | Up to 2.5 MPa (depending on configuration) |
| Surface Finish | Smooth, EDM‑finished internal/external |
| Lead Time | 15–25 days (customizable) |
Product advantages that benefit your application:
- Leak‑proof design: Precision EDM threads create a tight seal without need for additional sealants, reducing assembly time and cost.
- Lightweight & durable: PPA plastic is 60% lighter than metal equivalents yet offers comparable strength; no corrosion risk.
- Heat resistance: Withstands prolonged exposure to engine coolant temperatures up to 150°C, ideal for both gasoline and diesel engines.
- Customizable dimensions: Port diameter, thread size, and overall shape can be tailored to specific heater core and hose configurations.
- Global compatibility: Designed to fit common heater core outlets used in North American, European, and Asian vehicles.
Our manufacturing facility in Changzhou, Jiangsu, China, employs 51–100 skilled workers and utilizes advanced injection molding and EDM equipment. Since 2017, we have supplied precision components to North America, Europe, Southeast Asia, the Middle East, Africa, Oceania, and many other markets. Our products have passed stringent quality checks and are shipped from Jiangsu, Shanghai, or Shenzhen ports with reliable lead times.
Trusted by global automotive OEMs and aftermarket distributors, we are committed to continuous improvement. All production runs are traceable, and we offer both standard and custom designs. Contact us today to discuss your dual‑port tubing joint requirements and benefit from our IATF16949‑aligned quality system.
Frequently Asked Questions (FAQ)
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Q: What makes PPA plastic better than nylon or POM for this part?
A: PPA offers higher heat deflection temperature (up to 290°C) and superior chemical resistance to coolants, oils, and glycols, making it more reliable in engine compartments where temperatures exceed 120°C. -
Q: Can the thread size be customized to fit non‑standard heater cores?
A: Yes, we can machine custom thread dimensions (metric, NPT, BSPP) using EDM. Simply provide your drawing or sample, and we will produce accordingly. -
Q: Does this product require an O‑ring or additional gasket?
A: The EDM‑machined thread surface ensures excellent sealing when torqued properly. However, for extra leak protection, an integrated O‑ring groove can be added upon request. -
Q: Is the IATF16949 certification mandatory for this product?
A: We manufacture the joint to IATF16949 process standards and can provide certification documentation if required by your purchase order. Our facility also holds TS16969 (similar scope). -
Q: What is the typical lead time for a sample order?
A: Sample tooling and production typically take 15–20 days after drawing approval. Bulk orders of 1,000+ pieces can be scheduled within 25 days. -
Q: Can this joint be used with high‑pressure coolant systems (e.g., 3 bar)?
A: The standard design is rated up to 2.5 MPa. For higher pressure applications, we can reinforce the wall thickness or add internal ribs. Please consult our engineering team. -
Q: Do you provide quality reports with shipment?
A: Yes, we include a dimensional inspection report and material certification (PPA grade) with every batch. Additional testing (e.g., burst pressure, thermal cycling) is available at extra cost. -
Q: What packaging options are available to prevent damage during shipping?
A: Each joint is individually wrapped in protective foam or placed in partitioned boxes. Bulk packaging uses corrugated cartons with inner dividers. We also offer custom labeling per your requirements.
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