Product introduction
This Cummins air compressor repair kit, model number 4309439, is an original equipment manufacturer (OEM) repair kit specifically designed for the Cummins ISX 5.9-liter large camshaft engine. It belongs to the genuine Cummins parts series and is ISO/TS 16949 quality certified. The kit includes the Cummins air compressor, key components such as seals, bearings, and fasteners. Made of high-strength alloy materials and precision machining, it ensures reliability and durability under high-temperature and high-pressure conditions. Whether you are looking for a Big Cam Cummins, a powerful 5.9 Cummins, or a reliable braking and pneumatic system core for a modern Cummins ISX, our Cummins air compressor provides superior performance and perfect compatibility, making it the ideal choice for your heavy-duty truck power system.
Product Images
Product Parameters
| Parameter category | Detailed Description |
| Part number | 4309439 |
| Material | Made of high-strength alloy material, the surface has undergone special treatment (such as chromium plating or nitriding), with a hardness of over HRC 60 and excellent wear resistance |
| Temperature resistance | It can withstand temperatures above 800℃ and is suitable for the extreme working environment of diesel engines |
| Packaging | The minimum packaging unit is 1 piece. It adopts shockproof and reinforced design and complies with international transportation standards |
| Accurate fit | Designed specifically for cummins engines, it has excellent installation compatibility and can directly replace original factory parts |
| Long-lasting and durable | Strengthening materials and processes effectively extends service life and reduces maintenance frequency |
| Stable performance | The precision processing structure ensures the reliability of the air compressor operation and reduces the risk of failure |
Product Advantages
Matches original equipment manufacturer (OEM) air compressor interface dimensions, with a 24-valve configuration optimizing airflow efficiency; installation requires no additional modifications. Certified as genuine Cummins parts, compliant with ISO/TS 16949 standards. Modular design supports quick assembly and disassembly (mean time ≤ 2 hours), reducing overall equipment maintenance costs.
FAQ
Q: 1. Which engines is the Mins 4309439 air compressor repair kit suitable for?
A: Designed specifically for the ISX 5.9-liter high-camshaft engine, compatible with 24-valve configurations.
Q: 2. What are the core materials of this kit?
A: Fluororubber and chromium steel with a coated surface.
Q: 3. How to extend the kit's lifespan?
A: Check seal wear every 2000 hours; change the dedicated lubricant every 4000 hours; regularly drain condensate.
Q: 4. What are the export packaging specifications for this product?
A: Shockproof and reinforced original packaging (1 piece/box), conforming to ISTA 1A standards, in wooden crates or high-strength cardboard boxes.
Q: 5. What special precautions should be taken during transportation?
A: Avoid moisture/collision; temperature-controlled container transportation and transportation insurance are recommended.
Q: 6. What are the requirements for export to the EU/US?
A: EU: CE certification (if applicable) and Stage V emission standards are required; US: EPA certification (non-complete parts are usually exempt).
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