Gates K040356SF Serpentine Belt - Power Steering

OE Stretch Fit Belt for Power Steering

The Gates K040356SF Premium OE Stretch Fit Micro-V Belt is built for stretch-fit accessory drive systems that require precise belt length and controlled installation. It is a 4-rib automotive V-ribbed belt made with EPDM belt material, nylon cord reinforcement, and an OE Exact / OE Performance comparison rating.

Compatible With 2008 Ford Taurus, power steering; 2008-2009 Ford Taurus X, power steering; 2009 Ford Flex, power steering; 2010-2012 Lincoln MKT, power steering; and 2008 Mercury Sable, power steering. The Gates K040356SF is a direct-fit choice for vehicles using a stretch-fit power steering belt application.

Key Features

• Premium OE Stretch Fit Micro-V Belt for stretch-fit drive systems
• 4-rib K-section design for accessory drive service
• EPDM belt construction for durability in underhood conditions
• Nylon cord material for strength and dimensional stability
• OE Exact and OE Performance comparison ratings
• Special installation tool required for proper fitment
• Cross-reference: Continental 4040356S

Product Details

This Gates Micro-V Stretch Fit belt is engineered for applications where the belt is installed without a conventional tensioner and must seat correctly on the pulley system. The K040356SF measures 35.66 inches effective length and 36.25 inches outside circumference, with a .56-inch top width and 4 ribs. Gates positions this belt line for unique stretch-fit drive systems, giving technicians a service part that matches the OE-style application requirements on Ford and Lincoln power steering setups.

Use the Gates K040356SF when servicing a stretch-fit power steering belt on 2008 Ford Taurus, 2008-2009 Ford Taurus X, 2009 Ford Flex, 2010-2012 Lincoln MKT, or 2008 Mercury Sable. This part number also appears in interchange listings such as 4K356SF and 7T4Z 8620 D.

Common Issues This Belt Can Address

• Squealing or slipping from a worn power steering belt
• Cracking, glazing, or fraying on the existing serpentine belt
• Incorrect belt length on stretch-fit accessory drive systems
• Poor pulley engagement caused by belt wear or loss of tension
• Service replacement needs on Ford and Lincoln power steering applications

Installation Notes

Installation tool required for proper fitment. Follow the included Sheet C instructions and use the correct stretch-fit belt installation procedure to avoid damage during mounting. Verify pulley alignment and confirm the belt seats fully before returning the vehicle to service. The Gates K040356SF is intended for power steering positions only on the listed applications.

Quality Assurance

Gates manufactures this Premium OE Stretch Fit Micro-V Belt for OE-style service on stretch-fit systems. The EPDM construction and nylon cord reinforcement support consistent performance in accessory drive service, and the OE Exact / OE Performance ratings reflect its application-focused design.