OEM Equivalent H000821 Air Pre-Cleaner – 95mm Outlet, Compatible with John Deere, Case IH & New Holland Equipment
OEM Replacement H000820 Air Pre-Cleaner – Full View Sight Glass, 77mm Inlet for Tractor & Combine Harvester
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
Heavy-Duty H000821 Pre-Cleaner Assembly – 95mm ID Transparent Air Intake Filter with Sight Glass
1.KOMAI Replacement Air Filter for – Fits Diesel Engines (OEM H000821 )
2.High-Efficiency Air Filter KOMAI H000821 Equivalent
3.H000820 Air Filter Replacement by KOMAI – Compatible with Outlet ID 95mm (H000821 Cross Reference 371174SUB )
4.Genuine KOMAI Air Filter Kit: Replaces Donaldson – OEM Numbers
5.Cost-Effective KOMAI Air Filter – Direct Replacement for H000821 85804347 2021879
| KOMAI NO. | 77mm Precleaner |
| Type | Air Filter |
| Outlet ID | 77mm |
| Efficiency | Hepa 99.9% |
| Part No. |
H000821 2021879 3744690 |
| Packing | KOMAI packing / Customised packing |
| Package Size | 33*22*22 cm |
| Weight | 2.5 kg/pc |
| Guarantee | 500 hours |
Descriptions
The H000821 air pre-cleaner is a precision-engineered first-stage filtration unit tailored for high-airflow diesel engines in demanding off-road applications. With a 95mm nominal bore size, it is specifically designed for machinery requiring larger intake capacity—such as high-horsepower tractors, grain harvesters, and mining or forestry equipment—where standard smaller pre-cleaners may restrict airflow.
Standout Characteristics:
- Optimized for High-Volume Airflow: The 95mm internal diameter supports greater CFM (cubic feet per minute) requirements, reducing intake restriction and maintaining engine performance under heavy load.
- 360° Debris Ejection Design: Features an enhanced vortex chamber that directs separated contaminants downward and outward through a dedicated scavenging port, minimizing re-ingestion risk.
- Tool-Free Maintenance Access: Transparent upper housing snaps open without screws or clamps, enabling rapid cleaning or inspection during field operations.
- Sealed Flange Interface: Includes an integrated gasket groove or O-ring seat (depending on variant) to ensure leak-free mounting—critical for turbocharged or intercooled systems.
- Field-Proven Durability: Resists cracking from thermal cycling and impact thanks to reinforced polycarbonate blend rated for -40°C to +120°C operation.
- Universal Mounting Pattern: Compatible with common SAE or ISO flange standards, allowing retrofit onto multiple OEM platforms without adapters.
- Unlike smaller pre-cleaners suited for light-duty use, the H000821 95mm model delivers industrial-grade protection where dust density and engine demand are extreme—making it a smart investment for operators prioritizing uptime and long-term engine health.
Other Cross References:
| 85804347 | 6238172 | 85804347 |
| 2873032M91 | 71103146 | 6100189SUB |
| 1006650 | S0025293 | 59450213 |
| 944301511 | 32916800 | 228120A1 |
| 84000192SUB | 7401000 | 38207908 |
| 1006650 | PI02683 | 312627900 |
| 228120A1 | 59450213 | 00810168 |
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.

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.


1. Extensive Coverage:
Provide filter requirements for the world's major well-known brand machinery to achieve global coverage.
2. Precise Positioning:
Through early communiion and assistance, clarify customer needs, and accurately position the product system and market price.
3. Technology Leadership:
Using a number of independent patented technologies, the production has extraordinary stability and reliability.
4. Special Development:
According to the model you provide, we can customize high-quality products for you.
5. Energy Efficiency:
Carefully implement the industry standard, choose the best filter material, save maintenance cost for users, improve the rate of return on
investment.
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.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


