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WK712-2 High-Performance Spin-On Fuel Filter for Construction and Automotive Engines
Product Highlights
Precision Filtration: Maintains 99% efficiency at 16 microns to prevent premature injector wear.
Heavy-Duty Protection: Engineered for dusty environments and harsh job sites to prevent engine performance loss.
Broad Compatibility: Direct interchange for Mann WK 712/2, Donaldson P550345, and Fleetguard FF5040.
Industrial Durability: Spin-on style with M16 x 1.5 threading for secure fitment in high-vibration off-road operations.
Professional Product Overview
Solving Injector Wear and Performance Loss
Fuel contamination is the primary cause of downtime in heavy-duty diesel engines. In harsh job sites, microscopic particulates can bypass standard filtration, leading to severe injector wear and significant engine performance loss. The WK712-2 fuel filter provides a critical barrier, utilizing advanced cellulose media to ensure efficient particle removal and a stable fuel supply even in the most dusty environments.
How It Works: Depth Filtration Mechanics
A fuel filter is designed to remove contaminants from fuel to ensure engine reliability. The WK712-2 employs a spin-on mechanism with high-grade cellulose media. As fuel passes through the pleated media, contaminants are trapped within the fiber matrix per the ISO 19438 test standard. This process is essential for maintaining the isochronous operation of modern fuel injection systems.
Why Choose the WK712-2?
Unlike generic aftermarket filters, our WK712-2 is tested for 99% efficiency at a 16-micron rating. Compared to standard OEM components, our solution offers a superior balance of dust-holding capacity and flow rate, specifically designed to protect injectors and extend engine life while reducing maintenance frequency in the automotive aftermarket.
Industry Application and Environment
This filter is optimized for off-road operations and heavy-duty conditions. Whether used in fleet maintenance for light commercial vehicles (LCVs) or on harsh job sites for construction equipment like Atlas and Bobcat, the WK712-2 ensures consistent reliability.
Technical Specifications
| Parameter | Specification Details |
| Model / OEM No. | WK712-2 |
| Filter Style | Spin-On |
| Media Type | High-Grade Cellulose |
| Outer Diameter (A) | 76 mm |
| Seal Inner Diameter (B) | 62 mm |
| Seal Outer Diameter (C) | 71 mm |
| Thread Size (G) | $M16 \times 1.5$ mm |
| Total Height (H) | 80 mm |
| Filtration Efficiency | 99% @ 16 micron |
| Test Standard | ISO 19438 |
Cross Reference & Compatibility
Interchange Part Numbers
Mann Filter: WK 712/2
Donaldson: P550345
Fleetguard: FF5040
HiFi Filter: SN 556
Wix: 33361
SF Filter: SK 3756
FILFILTER: ZP 3526 AF
Major Equipment Compatibility
Construction: Atlas (AR series), Atlas Copco (XAS compressors), Bobcat (442, 533, 721), Bomag (BW series).
Industrial: Ahlmann (AL, AS series), Ammann (AV series), ABG (Titan series).
Agricultural: BCS Tractors, Antonio Carraro, Aebi.
Application Industries
Construction Equipment: Excavators, rollers, and compactors.
Logistics & Transport: Light commercial vehicles (LCV) and passenger car aftermarket.
Power Generation: Portable air compressors and generators.
Fleet Maintenance: Large-scale commercial and industrial fleet services.
Agriculture: Specialized tractors and utility vehicles.
Quality And Certification
Our production line adheres to strict ISO testing standards to ensure stability and consistency across every batch. The WK712-2 is verified through the ISO 19438 efficiency test, guaranteeing that our filters provide the micron rating required to protect high-precision fuel systems in global markets including Europe, South America, and Africa.
FAQ
Q: How does the WK712-2 protect engine injectors?
A: A fuel filter is designed to remove contaminants from fuel to ensure engine reliability. The WK712-2 uses high-efficiency cellulose media to trap 99% of particles at 16 microns, preventing abrasive material from damaging sensitive fuel injectors.
Q: Can this filter be used in off-road operations?
A: Yes. The WK712-2 is specifically engineered for off-road operations and heavy-duty conditions, providing reliable filtration in dusty environments and harsh job sites.
Q: What is the significance of the ISO 19438 standard on this filter?
A: ISO 19438 is the global test standard for determining the filtration efficiency and dust-holding capacity of fuel filters. Our WK712-2 meets this standard by maintaining 99% efficiency at 16 microns.
Q: Is the WK712-2 compatible with Volvo and Bobcat equipment?
A: Yes. The WK712-2 is a direct cross-reference for multiple industrial brands, including Volvo, Atlas, Bobcat, and Bomag machinery.
We are a leading wholesale supplier of the WK712-2 fuel filter, offering competitive B2B pricing and flexible MOQ options.
Global Shipping: Serving Europe, South America, Africa, and Southeast Asia.
Lead Time: Rapid fulfillment for standard inventory; expedited production for custom orders.
Free Samples: Available for qualified B2B partners.
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