Radiator Protective Mesh Screen - Aftermarket Reference 5011646

The radiator protective mesh screen / debris guard, identified under the aftermarket reference part number 5011646 (Product Code: 65417060), is a high-quality structural replacement component engineered to preserve the primary cooling cores of historical agricultural tractors under the Fiat, Fiatagri, and Someca brands. Manufactured to perfectly align with factory OEM reference numbers 5011646 and 4956270, this fine-mesh grille acts as an essential front filtration barrier, blocking straw, chaff, insects, and flying foliage before they can clog the radiator fins, thereby maintaining consistent engine heat dissipation parameters.

Design Details and Functionality

This technical screen insert is stamped from heavy-duty industrial mesh or reinforced metal, treated with anti-corrosion coatings to resist rust, moisture, and high thermal stress from the engine bay. The engineered layout of the weave is specifically calibrated to maximize particulate block rates while maintaining a completely unrestricted airstream dynamic for the suction fan assembly. Its precise structural border contours ensure a seamless, tight fit inside the tractor's front nose cowl without loose mechanical play. It serves as an ideal solution for restoring or field-maintaining legendary utility tractors, including the classic Nastro D'Oro range (such as the 450, 500, and the widely used 640 model), the 80 Series workhorses, and the robust 355 to 955 Series crawler models (e.g., Fiat 605).

Technical Specifications

Tractor Applications & Compatibility

Tractor Series	Compatible Models
80 Series	580
355 → 955 Series	605 (and crawler equivalents)
Nastro D'Oro Series	450, 500, 540, 550, 640