Description
Dayco part number 5050034DR refers to a belt tensioner designed for Cummins 6.7L engines
5050034DR:
50 = Indicates the belt series (Poly-V serpentine).
5 = Number of ribs (5-rib belt).
0034 = Approximate effective length in inches (around 34 inches).
DR = Denotes a specialty design or reinforced version (often for high-demand or heavy-duty applications).
Specifications
Type: Poly-V serpentine belt
Material: EPDM with aramid reinforcement for durability
Top Width: ~0.68 inches (for 5 ribs)
Effective Length: ~34 inches
Applications: Commonly used in light-duty vehicles for driving multiple accessories (alternator, power steering, A/C compressor, etc.)
Features:
Designed to reduce noise and vibration
Handles high temperatures and heavy workloads
Longer service life compared to standard belts




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