CAT 479-8991 Air Filter For Excavator 320 320GC 323
1.Part Name: Secondary Engine Air Filter (Secondary Element)
2.Part Number: 479-8991 / 4798991
3.Brand Compatibility: Caterpillar (CAT)
4.Efficiency Rating: Standard Efficiency
5.Seal Type: Radial Seal
6.Dimensions: Approx. 450mm (Length) x 125mm (OD)
7.Quality: Original/High Quality Replacement
8.Condition: New
9.Stock available: Yes
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Specifically engineered for Caterpillar 320 and 323 series excavators, this filter acts as your engine's last line of defense against harmful contaminants.
Key Features
| Attribute/Feature | Technical Details |
|---|---|
| Part Number | 479-8991 / 4798991 |
| Component Type | Secondary Engine Air Filter (Safety Element) |
| Brand Compatibility | Caterpillar (CAT) |
| Efficiency Rating | Standard Efficiency |
| Primary Filter Pair | 479-8989 (Must be used together) |
| Seal Type | Radial Seal (High-Compression Urethane) |
| Media Type | Specialized Synthetic/Cellulose Fiber |
| Outer Diameter | Approx. 128.5 mm (5.06 inches) |
| Inner Diameter | Approx. 101 mm (3.98 inches) |
| Overall Length | Approx. 438 mm (17.24 inches) |
| Engine Compatibility | CAT C4.4, C7.1, C9.3B ACERT Engines |
| Equipment Fitment | Excavators (320, 323, 326, 330, 336), Forest Machines, etc. |
| Function | Final protection during primary filter change or failure |
| Interchange Part No. | Donaldson P644381, Fleetguard AF55312, Baldwin RS30111 |
Cross-Reference / Interchange Numbers
-
CAT: 479-8991, 479-8989 (Primary Set)
-
Donaldson: P644381
-
Fleetguard: AF55312
-
Baldwin: RS30111
Application Scenarios
-
Excavators: CAT 320, 320GC, 323, 325, 326, 330, 336.
-
Engines: C4.4, C7.1 ACERT.
-
Environment: High-dust construction sites, mining operations, and heavy-duty earthmoving.
Maintenance Tips
-
Never Clean: Secondary filters should never be washed or tapped to clean; replace with new ones only.
-
Timing: Replace whenever the primary filter (479-8989) has been cleaned/changed 3 times, or when the restriction indicator signals.
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Sealing: Ensure the radial seal is seated perfectly to prevent "dust dusting" the engine.
Zero-Contamination Policy
The company
who we are?
Onode company is one of the leading exporter of truck parts and engineering machinery and equipment in China, petrochemical manufacturer,based on 3 families' factories, and over 50 cooperated factories. We can provide about 7000 varieties of spare parts for European & Chinese Trucks.
Onode company was found in 2007, originally to dealing with truck parts and engineering machinery & equipment and petrochemical. Meanwhile we invest to develop spare parts for European truck together with ourfamilies' factories. With the powerful product development department, professional quality control department andenthusiastic service team, our company growth very fast inthe past 20 years.
high quality
Efficient and precise processing and testing equipment.
advanced equipment
Efficient and precise processing and testing equipment.
professional team
Efficient and precise processing and testing equipment.
global shipping
Efficient and precise processing and testing equipment.
Global Services
Customer feedback
Payment and Shipping
Ready to Ship: Products are typically dispatched within 24–48 hours.
Global Delivery: Options available via DHL, FedEx, UPS, and TNT for rapid door-to-door service.
Customs Documentation: We provide full commercial invoices and HS codes (typically 8409.91 or 8409.99) to ensure smooth import processing.
CONTACT
location
Moblie
+86 17868790791
monica@onodetruckparts.com
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