Product introduction
The WF2126 water filter uses high-density fully synthetic filter media and a multi-stage centrifugal separation structure to efficiently remove moisture and micron-sized impurities before the fuel enters the high-pressure common rail system. This significantly reduces the risks of injector clogging, plunger corrosion, and incomplete combustion, comprehensively improving engine durability and consistent power response. The 5.9 and 6.7 Cummins water filters are widely used in heavy-duty trucks, construction machinery, and stationary generator sets. With their long-life filter design and low maintenance costs, they have become a trusted original equipment manufacturer (OEM) solution for 5.9 and 6.7 Cummins users.
Product Images
Product Parameters
| Parameter category | Detailed Description |
| Part number | WF2126 |
| Compatible engine series | ISB 5.9L,QSB 6.7L,ISC 8.3L,QSC 8.3L,ISX 12L,QSK 19L |
| Maximum working pressure | 1.5 bar(21.8 psi) |
| Operating temperature range | '-40°C to +120°C |
| Interface thread specification | 11/16-16 UN-2B |
| Overall dimensions | Height: 137mm, maximum outer diameter: 94.5mm |
| Filter element material | High-density cellulose composite media, featuring excellent dirt-holding capacity and chemical stability |
| DCA4 release mechanism | The filter element contains a slow-release chemical additive package, which is uniformly released as the coolant flows, maintaining the DCA4 concentration of the coolant at 0.4-0.8 mmol/L |
| Structural design | The spin-on single structure is equipped with a manual drain valve at the bottom, which facilitates the regular discharge of sediment and deteriorated coolant |
Product Advantages
The WF2126 water filter employs fully synthetic nanofiber filter paper and a multi-stage centrifugal separation structure, achieving a water interception efficiency of >99% before fuel enters the high-pressure common rail system. This effectively prevents injector corrosion, plunger assembly sticking, and reduced combustion efficiency caused by water contamination, ensuring stable power output. As a key component of Cummins' "Intelligent Filtration Technology" system, the WF2126 works in conjunction with the engine ECU, using chemical additives (such as DCA) to inhibit corrosion and delay sludge formation. It also supports remote monitoring and maintenance reminders, upgrading from passive replacement to proactive maintenance.
FAQ
Q: 1.Which engines is the Cummins WF2126 water filter suitable for?
A:The WF2126 water filter is designed for 5.9 Cummins and 6.7 Cummins engines, compatible with China III to China VI emission standards, and widely used in heavy-duty trucks, construction machinery, and generator sets.
Q: 2.How often should the Cummins WF2126 fuel-water separator be replaced?
A: It is recommended to replace it every 100,000 kilometers or 1,500 hours. The specific interval needs to be adjusted according to fuel quality and operating conditions. In harsh environments, it should be replaced earlier to ensure system safety.
Q: 3. How much water can the Cummins water filter remove?
A:The WF2126 uses a multi-stage centrifugal and nano-filter media structure to intercept >99% of free water and particulate impurities in the fuel, effectively preventing corrosion of the fuel injection system and abnormal combustion.
Q: 4. Is the outlet of the WF2126 water filter classified as a hazardous material?
A:WF2126 is a dry mechanical filter element, containing no flammable liquids or hazardous chemicals, and is not classified under the UN Dangerous Goods Transport Classification. It can be transported by sea or air as general cargo.
Q: 5.What customs clearance documents are required for exporting WF2126?
A:A commercial invoice, packing list, certificate of origin, and customs code are required. Some countries may require the importer to provide an end-user declaration.
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