The Genuine Dayco Drive Rite Automotive V-Ribbed Belt Tensioner 5040385DR 4PK0980 A2 is designed to maintain proper serpentine belt tension for smooth, stable, and efficient engine accessory operation. Built to OEM-quality standards, this tensioner ensures consistent performance for key engine-driven systems such as the alternator, air conditioning compressor, and power steering pump.
Engineered with heavy-duty materials, it delivers reliable belt alignment while reducing slippage, vibration, and premature belt wear. The internal spring-loaded mechanism helps maintain constant tension across varying engine loads and temperatures, supporting long-term durability and improved drivetrain efficiency. This design helps ensure quieter operation and more stable accessory performance under demanding conditions.
Ideal for replacement and maintenance use, this Drive Rite tensioner restores factory-level belt performance and helps extend the service life of both the belt and connected components.
Key Features
-
Reduced Belt Wear: Helps minimize slippage, cracking, and premature belt failure.
-
Constant Belt Tension: Spring-loaded design maintains stable belt pressure during operation.
-
Precision Fit Design: Engineered for accurate compatibility and straightforward installation.
-
Extended Service Life: Durable construction ensures long-term reliability and efficiency.
-
Smooth Operation: Improves engine accessory performance with reduced noise and vibration.
-
Heavy-Duty Construction: Built to withstand heat, vibration, and continuous operating conditions.
- OEM Standard Quality: Manufactured to original Dayco standards for dependable and consistent performance.
Specifications
- Brand: Dayco
- Series: Drive Rite
- Part Number: 5040385DR
- Belt Reference: 4PK0980
- Type: V-Ribbed Belt Tensioner
- Condition: Genuine OEM Replacement