Gates K040365 Serpentine Belt

Gates K040365 Premium OE Micro-V Belt

The Gates K040365 is a Premium OE Micro-V serpentine belt built for accessory drive applications that demand accurate fit and stable operation. It uses OE-matched size, construction, and materials to support consistent performance on a wide range of import and domestic vehicles.

Key Features

• Premium OE Micro-V belt from Gates
• Part number: K040365
• 4-rib automotive V-ribbed belt, standard section K
• EPDM belt material for durability in accessory drive service
• Polyester cord construction for strength and dimensional stability
• Effective length: 36.56 in. (929 mm)
• Outside circumference: 37.125 in. (943 mm)
• Top width: 0.56 in. (14 mm)
• OE Performance rating

Product Details

Gates Premium OE Micro-V belts are engineered to match original equipment dimensions and materials, helping maintain proper belt tracking and accessory drive function. The K040365 is a 4-rib serpentine belt used in positions including air conditioning, fan and alternator, power steering, water pump and alternator, and related accessory drive layouts. This part cross-references Continental 4K927 and Dayco 5040365 for the same application.

Fitment includes 2020-2024 Ford Transit, Transit-150, Transit-250, Transit-350, and Transit-350 HD with a single alternator in the air conditioning position. It also fits applications such as 2006-2009 Chevrolet Trailblazer, 2005-2009 GMC Envoy, and 2004-2007 Buick Rainier in air conditioning service, along with many older Mazda, Mitsubishi, Suzuki, Toyota, Nissan, Acura, and Kia models. If you are searching for a Gates K040365 serpentine belt for Ford Transit air conditioning service or a Gates K040365 belt for Chevrolet Trailblazer accessory drive repair, this part number is the correct OE-style reference.

Common Uses

• Replacing a worn or cracked serpentine belt
• Restoring proper accessory drive operation
• Addressing belt squeal, glazing, or visible rib wear
• Correcting belt length or rib-count mismatch during service
• Servicing air conditioning, power steering, alternator, or water pump drive systems

Installation Notes

Verify rib count, belt length, and accessory routing before installation. Confirm the vehicle’s engine configuration and position notes, especially on Ford Transit models with a single alternator and on applications that specify no A/C or a particular accessory drive layout. Inspect pulleys, tensioners, and idlers for wear before installing the new belt, and replace any damaged components that could affect belt tracking.

Quality Assurance

This Gates Premium OE Micro-V Belt is built to OE performance standards using OE-matched construction and materials. Gates is known for supplying precision-fit accessory drive components for import and domestic vehicles, including applications such as Ford Transit, Chevrolet Trailblazer, and GMC Envoy.