KOMAI 577-1433 Air Filter Kit: Replaces 5771438 3862097 4221089 Donaldson P635773 & 337-0790

KOMAI 577-1433 Air Filter Kit: Replaces 5771438 3862097 4221089 Donaldson P635773 & 337-0790

1. The quality and performance can be guaranteed as original elements.
2. Temperature Range -4°F~212°F
3. Seals: nitrile seals, fluorocarbon seals for corrosive fluids.
4. Collapse pressure rating 21bar-210bar
5. Air filter filtering precision: 10-30 micron
6. Filter Medium: glass fiber, HV filter paper, Ahlstrom Filtration Paper, stainless steel sinter fiber and stainless wire mesh.
7. Packing: KOMAI packing/ Customize Packing/ Blank Packing/ Make customize sticker for customers

Donaldson P635773 Equivalent for Cat 577-1433 / 5771438: Cross Ref 3862097, 4221089, SA16826

1. 577-1433 337-0790 Air Filter Cross Reference: Replaces SA16826 SA16838
2. Heavy Duty Air Filter Set 577-1433 & 5771438: Compatible with Cat 337-0790, P635773 - In Stock
3. Cross Reference: Cat 577-1433 = 5771438 = Donaldson P635773 = SA 16826 | 337-0790, 3862097, 4221089
4. Buy Replacement Air Filter for CAT577-1433 (Fits P635773, 337-0790, 4221089) - Best Price

Descriptions 

1. Replacement for CAT 577-1433 air filter

2. Donaldson P635773 cross reference

3. 577-1433 and 5771438 filter kit

4. Cat 337-0790 3862097 replacement

5. SA 16826 air filter equivalent

Cross References:

Application

Features

• 1. Complete Dual-Stage Protection Kit (Outer & Safety)

  "This premium maintenance kit includes both the Primary Outer Element and the Inner Safety Element, perfectly matched to replace Cat577-1433 and 5771438. Engineered to provide a critical 'double-barrier' defense system, this set ensures that even if the outer filter is compromised, the inner safety core (compatible with Donaldson P635773 series) instantly captures contaminants, preventing catastrophic engine damage in extreme dusty conditions."

  2. Advanced Nanofiber Technology for Superior Efficiency

  "Utilizing state-of-the-art nanofiber media technology (equivalent to Donaldson’s Ultra-Web®), this filter achieves an initial efficiency of 99.99% on sub-micron particles. Compared to traditional cellulose filters found in older Cat models (like 337-0790 or 3862097), our design offers significantly lower restriction while trapping more dust. This results in improved fuel combustion, reduced engine strain, and extended service intervals for your heavy-duty machinery."

  3. Precision OEM Fitment: Direct Cross-Reference Replacement

  "Guaranteed direct fit with no modifications required. This unit is rigorously tested to seamlessly replace a wide range of OEM and aftermarket part numbers, including Cat577-1433, 5771438, 337-0790, 3862097, 4221089, Donaldson P635773, and SA 16826. Whether you are upgrading from an old Cat number or switching from a competitor brand, our precise dimensions ensure a leak-free seal and easy installation on CAT excavators, loaders, and industrial generators."

  4. Heavy-Duty Construction for Extreme Environments

  "Built to withstand the harshest operating conditions, this filter features reinforced perforated metal cages to prevent collapse under high vacuum pressure and durable end caps resistant to vibration. The high-grade synthetic rubber gaskets maintain a 100% airtight seal across a wide temperature range (-40°C to 120°C), effectively blocking unfiltered air bypass. This robust construction outperforms standard aftermarket alternatives, ensuring reliability in mining, construction, and agricultural applications."

  5. Maximize Engine Life & Reduce Total Cost of Ownership

  "Invest in the longevity of your equipment. By combining ultra-high filtration efficiency with low airflow restriction, this filter kit helps reduce engine wear on cylinders and pistons while optimizing fuel economy. Ideal for fleet managers and equipment operators looking to lower their Cost Per Hour (CPH), this reliable replacement for Cat 577-1433 and Donaldson P635773 extends major overhaul intervals, delivering superior long-term value and peace of mind."

Product Details: 

GUANGZHOU KOMAI FILTER CO.,LTD
★ Our company mainly produce oil filters, fuel filters, fuel water separator, hydraulic filters and air filters for truck filters and Engineering machine filters, including Tracor, Forklift, Wheel Loader, Excavator, Crane, Generator, Air compressor and AgriculturalMachine.

 

1.We use imported depth type filter material,circular pore structure,gradient filter,can intercept granule furthest, to extend the service life.

2.We use high tech support materials.High tech support materials can not only play the role of support filter, material and
avoiding compressive deformation,but also protect the materials from being damaged during processing.

 

3.We also use the special spiral wrapping belts,so that filter layers can be connected firmly.Stationary pleated distance ensures the uniform flow when fluid penetrating the filter layer.Not only improving pressure drop,but also extending service life.

FAQ

Q1.Are you a Manufacturer or a trading company?
 
A: We are a professional manufacturer specializing in filters for several years.Factory belong to us,100% industrial corporation,not cooperating partner. It would be our big honor,if you can come to visit us.
 
Q2: How is the quality of the filters?
 

A: At King Filters we insist on providing customers the highest quality of filter products.All products are manufactured right here,under the most rigorous quality standards.We totally guarantee the quality.
 
Q3. Can I get some samples? How could I pay the sample charge?
 
A: We are honored to offer you samples.Please pay the sample charge and postage in advance. However, we will return them to you when ordering, or deduct them from the order.We accept the sample payment via Western Union.
 
Q4. How long is your Delivery Time ?
A: If there is stock, the delivery time is about 5 working days after getting the payment.If no stock,20-30 working days according to the order.
 
Q5: How do you guarantee the after-sale service?

A: All products have to pass strict inspection before they go out.If any problems caused by the product itself, we will supply you the new replaced ones ASAP.