Motorcraft KM4581 Lower Radiator Coolant Hose OE Replacement

The Motorcraft KM4581 is a genuine OE-replacement lower radiator coolant hose engineered to deliver factory-correct fit and performance for Ford, Lincoln, and Mercury vehicles. As an authentic Motorcraft part, it is designed by the same engineers who built the original cooling system, ensuring precise dimensional accuracy and reliable sealing right out of the box.

Key Features:

• Premium EPDM Rubber Construction — Resists heat, oil, grease, antifreeze, and all approved coolant additives for long-lasting durability
• Reinforced Design — EPDM construction may include fiber reinforcements such as Kevlar, Nomex, Technora, or Rayon depending on application, providing added strength and pressure resistance
• OE-Spec Engineering — Manufactured to meet stringent Ford Motor Company quality and performance standards
• Direct-Fit Replacement — Designed for exact OEM fitment with no modifications required
• Rigorous Testing — All Motorcraft hose designs undergo lab and real-world validation to ensure original equipment reliability
• Genuine Motorcraft Part — MPN: KM4581 | Position: Lower Radiator Hose

Backed by the Motorcraft Service Parts Warranty — 2 years, unlimited mileage, with limited labor coverage and no commercial exceptions, supported nationwide by Ford/Lincoln dealers and Ford Authorized Distributors. When your cooling system requires a lower radiator hose replacement, the Motorcraft KM4581 delivers the confidence of a genuine OEM part at a competitive price.