Caterpillar CAT 420-1779 Std Efficiency Primary Engine Air Filter NEW OEM 0820

Caterpillar OEM Standard Efficiency Primary Engine Air Filter (Element-Primary) — Part Number 420-1779
Brand: Caterpillar (CAT) | Condition: New Old Stock (NOS)

You are purchasing a genuine Caterpillar OEM Standard Efficiency Primary Engine Air Filter (Element-Primary), part number 420-1779. This is an authentic factory original part — never installed, never used.

Condition Details: This is a New Old Stock (NOS) part. The air filter element itself is in new, unused condition. Original Caterpillar factory box is present; made in United States. As is common with NOS inventory, the original packaging may show signs of age, including shelf wear or minor cosmetic blemishes. The part is new and fully functional.

Part Number / Supersede Information:

• Primary OEM Part Number: 420-1779

• Also referenced as: 4201779, CA4201779

• Companion Part (Secondary/Safety Element): 420-1781

• The 420-1779 is the OEM Standard Efficiency Primary Engine Air Filter for Caterpillar equipment. Cat Standard Efficiency Primary Engine Air Filters deliver increased engine protection for normal duty applications with long service life and exceptional filtration. Designed to the exact specifications of Cat equipment, this filter keeps internal engine mechanisms clean and protected from dirt-induced wear.

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.

Compatibility: Fits Caterpillar equipment with C13B, C15, C18, C27, C32, and 3512E engines; including wheel-tractor scrapers 631K and 637K; off-highway trucks 773GC; rotary drills MD6200, MD6250, and MD6310; and load haul dump R2900.

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.

Thank you for choosing QBS Parts Inc! We truly appreciate your business. If you have any issues whatsoever with your order, please give us the opportunity to resolve it before leaving feedback — we are committed to making every transaction a great experience. 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!

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