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OEM Detroit A/C Belt 8-Rib, Cascadia 2018-2025

Keep your engine running perfectly with this Detroit Diesel OEM AC Belt. Fits DD13, DD15, DD16. Replaces A4729933496. Fast Hanover Park IL shipping.

  • Detroit Diesel OEM Quality: Authentic part direct from Detroit Diesel.
  • Heavy-Duty 8-Rib Design: Features a precision-molded 8-rib profile that maximizes surface contact.
  • Direct OEM Replacement: Delivers a seamless, direct-fit replacement.
  • Fitment
  • OEM Reference
  • Condition
  • Warranty
  • Brand
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Internal Reference: A4729933496

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Keep your engine operating at peak efficiency and prevent a catastrophic roadside breakdown with this genuine Detroit Diesel OEM AC Belt distributed by FleetPro Parts & Tires. This accessory drive belt is the lifeline of your engine's auxiliary systems, powering critical components like your air conditioning compressor, water pump, and alternator. This is a true Detroit Diesel OEM component, produced directly by the manufacturer to guarantee flawless performance. We stock these heavily right here in our Hanover Park, Illinois warehouse to ensure lightning-fast shipping for diesel shops and owner-operators nationwide.

Heavy-Duty Drive Power: The Detroit Diesel OEM AC Belt Advantage

This Detroit Diesel OEM AC Belt is engineered specifically for the rigorous demands of the DD13, DD15, and DD16 engine platforms. Measuring 105.94 inches in effective length with a precision-molded 8-rib profile, it provides superior surface contact that virtually eliminates slippage and "belt squeal" when your AC compressor kicks on under heavy loads. Because this is a genuine Detroit Diesel OEM part, it is constructed from a specialized Polyester-Reinforced EPDM compound. This advanced material is specifically formulated to resist the extreme under-hood temperatures, oil exposure, and continuous flexing that causes cheap aftermarket belts to crack and snap.

At FleetPro Parts & Tires, we know that maximum engine uptime is your priority. Don't gamble with "will-fit" aftermarket belts that might stretch out of spec and destroy your automatic belt tensioner. This belt is the direct factory replacement for Detroit Diesel part number A4729933496 (superseding older part numbers like A4729933296), making it the ultimate high-performance standard over aftermarket alternatives like Gates K081059HD and Dayco 5081059. Stick with Detroit Diesel OEM quality to ensure your engine stays on the road and out of the shop.


Engine Fitment & Compatibility

This genuine 8-rib AC and accessory drive belt features an exact-fit design intended strictly for the following commercial powerplants:

  • Engine Application: Detroit Diesel DD13
  • Engine Application: Detroit Diesel DD15
  • Engine Application: Detroit Diesel DD16
  • Component Group: Engine Cooling, Air Conditioning & Accessory Drive

Direct Replacement & Cross-Reference Numbers:

This genuine Detroit Diesel OEM belt serves as a direct exact-fit replacement for the following part numbers:

  • Detroit Diesel OEM: A4729933496, DDE A4729933496, A4729933296, A4729932296
  • Gates Interchange: K081059HD, K081059
  • Dayco / Continental: 5081059, 4081060, 4081060X

Technical Specifications
  • Component Type: AC & Accessory Drive Belt
  • Rib Quantity: 8-Rib Poly-V Profile
  • Effective Length: 105.94 Inches (2691 mm)
  • Top Width: 1.087 Inches (28 mm)
  • Material: Polyester Cord Reinforced EPDM
  • Condition: Brand New
  • Product Level: Detroit Diesel OEM
  • Brand: Detroit Diesel (Distributed by FleetPro Parts & Tires)

Cross references: 01-32732-691 • 5081059 • A4729933296 • K081059HD • Continental 4081060 • ContiTech 4081060X • NAPA 25-081059HD • Goodyear 1081059 • ACDelco 8K1059 • Detroit A4729932296 • Caterpillar 273-7531

Specifications

Fitment Freightliner Cascadia 2018-2025
OEM Reference Detroit A4729932296
Condition New
Warranty 1-Year FleetPro Warranty
Brand Detroit Diesel