Gates K081059HD | Detroit DD15 A/C, Water Pump & Alternator Belt

Gates K081059HD Detroit DD15 A/C, Water Pump & Alternator Belt

The Gates K081059HD is a FleetRunner Heavy-Duty Micro-V serpentine belt designed for the Detroit Diesel DD15 accessory drive. This 8-rib belt is used on compatible DD15 applications to drive the A/C compressor, water pump, and alternator.

Built with heavy-duty EPDM construction and polyester cord, the K081059HD is engineered to withstand the heat, load, and demanding operating conditions found in commercial diesel engines. It is an excellent replacement choice for Freightliner Cascadia and other compatible Detroit DD15 applications.

Product Specifications

• Brand: Gates
• Part Number: K081059HD
• Product Line: FleetRunner Heavy-Duty Micro-V
• Application: Detroit Diesel DD15 accessory drive
• Drive Components: A/C, Water Pump & Alternator
• Belt Type: Heavy-Duty V-Ribbed / Serpentine Belt
• Rib Count: 8
• Section: K
• Effective Length: 105.94 in. / 2691 mm
• Outside Circumference: 106.5 in. / 2705 mm
• Top Width: 1.087 in. / 28 mm
• Material: EPDM
• Cord Material: Polyester
• Grade: OE Improved

Detroit DD15 Accessory Belt Application

The Gates K081059HD is cataloged for Detroit Diesel DD15 applications, including Freightliner Cascadia. Application data identifies this belt for the DD15 A/C and accessory drive. Depending on the engine and truck configuration, the belt drives the A/C compressor, water pump, and alternator.

Gates catalog data lists the K081059HD for Freightliner Cascadia applications with the Detroit DD15, including model years within the 2012–2019 range in its heavy-duty catalog. Other vehicle catalogs may list additional compatible DD15 applications.

FleetRunner Heavy-Duty Construction

Gates FleetRunner Heavy-Duty Micro-V belts are engineered for demanding commercial vehicle applications. The K081059HD uses durable EPDM construction designed to resist cracking and wear while maintaining flexibility, stability, and load-carrying capability at prolonged operating temperatures.

The belt is designed to provide dependable power transfer across the accessory drive while helping fleets reduce maintenance and unplanned downtime.

OEM & Cross Reference Numbers

Common cross-reference numbers for the Gates K081059HD include Detroit Diesel A4729932296, A4729933296, and A4729933496; Freightliner 0132732691 and 4729933496; Continental 4081060 / 4081060X; Dayco 5081059; Goodyear 1081059; ACDelco 8K1059; and NAPA 25-081059 / 25-081059HD.

Metric equivalent designations include 8PK2691. Cross-reference numbers should be verified against the specific truck, engine configuration, and existing belt before ordering.

Why Choose Gates K081059HD?

• Designed for Detroit Diesel DD15 accessory-drive applications
• Drives compatible A/C, water pump, and alternator configurations
• Heavy-duty FleetRunner Micro-V construction
• 8-rib K-section design
• 105.94-inch effective length
• EPDM construction for heat and wear resistance
• OE Improved grade
• Designed for demanding heavy-duty truck applications

Fitment Note

Always verify the truck's engine model, accessory-drive configuration, belt routing, rib count, and existing belt dimensions before ordering. DD15 trucks can use different belt configurations depending on the vehicle and accessory setup.