Part Number: R066028
PCM R066028 Serpentine Belt
Keep your engine’s accessory drive system running smoothly with the PCM R066028 Alternator Belt. Designed to meet factory specifications, this serpentine belt delivers the correct length and rib profile needed for proper tension, quiet operation, and dependable performance across your alternator and other engine-driven components.
A worn or slipping belt can lead to inconsistent voltage, poor battery charging, or unwanted noise under load. Replacing it with the proper OEM belt helps restore steady performance and keeps your electrical system functioning as intended. The R066028 is built for marine environments, with materials designed to handle heat, moisture, and continuous vibration inside the engine compartment.
Engineered as a direct replacement, this belt installs easily and maintains proper alignment on compatible PCM serpentine systems, helping reduce wear on pulleys and extend the life of connected components.
Common Engine & Boat Fitments
The R066028 alternator belt is used on select PCM marine engines with serpentine drive systems, commonly found on GM-based 5.7L and 6.0L platforms.
Typical applications include:
- Correct Craft Ski Nautique, Sport Nautique, and Super Air Nautique
- Nautique 210, 230, and 236 models with PCM engines
- Malibu Response and Malibu Wakesetter (PCM-powered configurations)
- Supra Launch series and Moomba Mobius models with PCM engine setups
- MasterCraft ProStar and ProStar 197 (PCM-equipped versions)
These boats often rely on consistent accessory drive performance to support charging systems, cooling components, and onboard electronics.
Fitment can vary depending on engine configuration and model year, so confirming compatibility with part number R066028 is recommended before ordering.
Key Features
- Genuine PCM OEM serpentine belt
- Designed for reliable alternator and accessory drive operation
- Helps maintain consistent battery charging and system voltage
- Durable construction for marine environments
- Direct-fit replacement for easy installation
If your belt is showing signs of wear, cracking, or slipping, replacing it is a simple way to prevent charging issues and keep your boat running smoothly. The PCM R066028 alternator belt delivers the fit and reliability your engine depends on.