Caterpillar 339-1048 NEW OEM Crankcase Breather Filter Kit C4.4 Excavator 0820

Caterpillar OEM Crankcase Breather Filter Kit — Part Number 339-1048 Brand: Caterpillar (CAT) | Condition: New Old Stock (NOS)

You are purchasing a genuine Caterpillar OEM Crankcase Breather Filter Kit, part number 339-1048. This is an authentic factory original part — never installed, never used. Also referred to as a Fumes Disposal Filter Kit, this assembly filters crankcase blow-by gases and prevents contaminants from re-entering the engine intake — an essential component for maintaining engine health and emissions compliance in CAT machinery.

Condition Details: This is a New Old Stock (NOS) part. The breather filter kit itself is in new, uninstalled condition. As is common with NOS inventory, the original packaging may show signs of age, including shelf wear, dust, or minor cosmetic blemishes on the bag or box. The part is new and fully functional.

Compatible Models / Applications:

• Excavators: 312E, 312E L, 314E CR, 314E LCR, 316E L, 318E L, 320, 320E, 320E L, 320E LN, 320 GC, 323F, 324E, 324E L, 324E LN, 329E, 329E L, 329E LN, 330F, 336 GC

• Wheel Loaders: 444F, 962M

• Backhoe Loaders: 415F2, 416F, 416F2, 420F, 420F2, 428F, 430F2

• Compactors: 815K, CS 64B

• Asphalt Pavers: Various

• Engines: CAT C3.4, C3.4B, C4.4, C4.4B, C6.6, C7.1, C13

Part Number / Supersede Information:

• Primary OEM Part Number: 339-1048

• Also referenced as: 3391048, CA3391048

• Cross-Reference Numbers: Donaldson P788795, Perkins 3524146, Hifi-Filter SN40871, SF-Filter SBL88053, Doosan 400504-00249

• We recommend verifying current supersede numbers through your local Caterpillar dealer or the official CAT parts catalog prior to ordering.

Why Choose OEM Parts? OEM parts are engineered and manufactured to exact factory tolerances, ensuring a precise fit, reliable performance, and long service life. Unlike aftermarket alternatives, OEM parts are designed specifically for your equipment — no modifications, no guesswork.

Returns: We proudly offer hassle-free returns. If you are not completely satisfied with your purchase for any reason, simply open a return request through eBay within 30 days of purchase and we will take care of you promptly.

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Please verify fitment using your equipment's model and serial number before purchasing. Feel free to message us with any questions — we're here to help!