Product introduction
This Cummins high-temperature double-ended stud (model 5567301F) is a high-strength threaded rod fastener specifically designed for the cylinder heads of 6.7-liter Cummins engines, made of alloy steel. This double-ended threaded rod maintains stable performance over a wide temperature range of -40°C to +120°C, and features EPDM seals and a rust-resistant surface treatment, ensuring reliable connection and leak-proof performance under high-temperature and high-pressure engine conditions. Its quick-plug design and modular structure facilitate maintenance. It is suitable for 6.7-liter Cummins engine models such as the ISDe30040, D6.7NS6B290, and QSB6.7 series, and is also widely used in commercial vehicles, construction machinery, and generator power systems.
Product Images
Product Parameters
| Parameter category | Detailed Description |
| Part number | 5567301F |
| Thread specification | M12 standard thread |
| Nominal length | 80mm |
| Performance grade | 4.8 grade high strength |
| Material | 35CrMoA alloy steel |
| Operating temperature range | -40°C to +120°C |
| Seal material | EPDM(Ethylene Propylene Diene Monomer rubber |
| Surface treatment | Blackening or galvanizing for rust prevention treatment |
| Torque specification | Complies with the requirements of the GB/T901 standard |
| Applicable engine model | 1. ISDe30040 engine (300 horsepower) 2. D6.7NS6B290 engine (290 horsepower) 3. QSB6.7 series engines (275-550 horsepower) |
Product Advantages
These Cummins studs, with a performance rating of 4.8, ensure they remain secure and undeformed under high pressure, providing reliable mechanical connection strength. Equipped with EPDM seals, the double-ended studs effectively prevent fuel and oil leaks, ensuring engine sealing. 5. Quick installation and maintenance: The special threaded design facilitates easy installation and disassembly, improving maintenance efficiency, and the modular design allows for individual replacement.
The 6.7 Cummins headstuds are specifically designed for 6.7-liter Cummins engine models, ensuring a perfect match with the engine.
FAQ
Q: 1. What are the main application scenarios for the 5567301F high-temperature double-ended stud?
A: This product is specifically designed for 6.7-liter Cummins engine cylinder heads and is suitable for engine models such as ISDe30040, D6.7NS6B290, and QSB6.7 series. It is also widely used in commercial vehicles, construction machinery, agricultural machinery, and generator power systems.
Q: 2. What are the sealing design features of the 5567301F stud?
A: Equipped with EPDM seals, it effectively prevents fuel and oil leakage; the surface is treated with blackening or galvanizing for rust prevention, providing excellent corrosion resistance.
Q: 3. What are the installation and maintenance precautions for this product?
A: Before installation, check that the stud and threaded holes are undamaged and that the seals are intact; during installation, apply force evenly and tighten using a torque wrench to the standard torque; regularly check for loose connections and avoid using non-standard tools to forcibly disassemble.
Q: 4.What are the international shipping packaging requirements for the 5567301F high-temperature double-ended stud?
A: Moisture-proof and shock-proof industrial packaging should be used. Each product should be individually secured to prevent collisions during transportation. The outer packaging should be marked with "Fragile" and "Here" signs. It is recommended to use wooden crates or high-strength cardboard boxes for packaging.
Q: 5. What is the HS Code for this stud?
A: Based on the product characteristics, it is recommended to classify it as 7318.15.00 (Other Bolts, Screws, Nuts and Similar Items), but the specific classification should be confirmed by customs at the time of actual declaration.
Q: 6. What are the temperature restrictions for transporting 5567301F studs?
A: Although the product itself has a wide temperature resistance range (-40°C to +120°C), extreme temperature environments should be avoided during transportation. It is recommended to transport it within the range of -20°C to +60°C to prevent changes in the properties of packaging materials.
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