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474-00039 / 47400039 Safety Air Filter
Secondary Safety Element for Develon, Komatsu, and Heavy Machinery
Engineered as a secondary safety element to prevent contamination during primary filter maintenance.
Ensures a leak-proof, airtight seal even under high-vibration conditions in excavators and dozers.
Specialized safety media designed to meet ISO 5011 standards for peak dust separation.
Direct replacement for Fleetguard AF26114, Donaldson P533781, and Baldwin RS3717.
Detailed Product Description
Advanced Engine Safeguard
A safety air filter is designed to act as a fail-safe for the engine intake system. The 474-00039 safety element remains in place while the primary filter is being serviced, preventing dust, debris, and airborne particulates from entering the combustion chamber. This component is critical for maintaining the operational life of high-performance diesel engines in Develon and Komatsu machinery.
Solving Intake Contamination Challenges
Standard filters can occasionally suffer from improper seating or accidental damage. Our 474-00039 solves these risks by providing a secondary barrier. If the primary filter fails or is bypassed, this safety element captures residual contaminants, effectively preventing scored cylinders and turbocharger erosion.
Strategic Comparison: Reliability and Fit
Unlike generic alternatives that may use substandard gaskets, our version adheres to strict dimensional tolerances. With an outer diameter of 5.30 inches and a radial seal style, it matches the exact footprint of the original Doosan and Case IH equipment. This ensures that airflow remains within the manufacturer's specified delta pressure range while maximizing filtration surface area.
Technical Specifications
| Feature | Specification Details |
|---|---|
| Model Number | 474-00039 / 47400039 |
| Filter Type | Safety Air Filter (Secondary Element) |
| Dimensions (OD / ID) | 5.30 inch (134.6 mm) / 3.70 inch (94 mm) |
| Overall Length | 18.21 inch (462.6 mm) |
| Seal Style | Radialseal |
| Media Type | Safety Grade / Synthetic Blend |
| Efficiency Standard | ISO 5011 |
| Construction | FRG Family / Full-Flow |
Cross Reference
Doosan / Develon: 474-00039 | Fleetguard: AF26114 | Donaldson: P533781 | Wix :46782
Baldwin: RS3717 | Doosan Daewoo :4004140018 | Komatsu：1308463-H1 | Hengst :E1502LS
HiFi Filter: SA 16349 | Inline: FA10685
Application and Equipment Fitment
DX140W-7, DX210-7, DX225LC-7, DX255LC-7; DL200-3, DL220-7, DL250-7.
D61EX-24, PC210-11, PC240-11, PC290-11; Wheel Loaders WA200-8, WA320-8, WA380-8.
Hyundai HX220L, R210LC-9; Atlas 180 MH, Bobcat E225, Case WX218, Sany SY155W.
Quality and Certification
Our filters are manufactured in facilities that adhere to ISO 9001 quality management systems. Every 474-00039 undergoes structural integrity testing to ensure the Radialseal remains pliable in temperature extremes, preventing bypass leakage and ensuring 100% of intake air passes through the filtration media.
Technical FAQ
Q: What is the purpose of a safety air filter compared to a primary filter?
A: A safety air filter is designed to protect the engine when the primary filter is removed for service or if the primary filter suffers structural damage. It acts as a final barrier against contaminants.
Q: How do I know when the 474-00039 needs to be replaced?
A: Unlike primary filters, safety filters should not be cleaned. They should be replaced every three primary filter changes or if the primary filter has been compromised.
Q: Does the 474-00039 fit Komatsu PC210-11 excavators?
A: Yes, this filter is a verified cross-reference for the PC210-11 series, providing identical fitment to the OEM safety element.
Q: What is Radialseal technology?
A: Radialseal is a design where the filter gasket creates a seal on the inner diameter of the housing outlet, eliminating the need for mounting bolts and providing a reliable airtight fit.
Q: Is this filter compatible with Develon DX-7 series models?
A: Yes, it is specifically designed for the latest Develon DX-7 generation, including the DX225LC-7 and DX255LC-7 models.
Welcome to inquire about pricing
"Protect your heavy equipment investment with AYREST high-efficiency filtration."
- ✔️ Wholesale Availability: Bulk inventory ready for global export to SE Asia, Europe, and North America.
- ✔️ Fast Lead Times: Standard orders dispatched within 7-14 days.
- ✔️ Customization: AYREST offers private labeling and custom packaging for established distributors.
WhatsApp / Wechat: +86 13328990097
Email: Sales@enginegensetparts.com
Official Website: www.enginegensetparts.com
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