D13 MP8 Belt Tensioner - 2018+ Continental OE 49608 Replaces 21819687

• Continental OE Quality: Authentic Original Equipment level part manufactured by Continental, delivering the exact spring tension and durability trusted by heavy-duty engine manufacturers.
• Engine-Specific Fitment: Explicitly engineered for the updated accessory drive systems on 2018 and newer Volvo D13 and Mack MP8 engines.
• Direct OEM Replacement: Delivers a seamless, bolt-on installation as the exact factory replacement for highly searched OEM part number 21819687 and Continental 49608.
• Advanced Vibration Damping: Features a heavy-duty internal damping mechanism to absorb harsh torsional diesel vibrations, preventing tensioner chatter and extending serpentine belt life.
• Prevents Breakdown: Maintains precise, constant belt tension to eliminate slippage, ensuring your water pump, alternator, and AC compressor operate flawlessly under heavy loads.

Ensure the reliable performance of your engine’s accessory drive with this genuine OE-level D13 MP8 Belt Tensioner by Continental Elite, distributed by FleetPro Parts & Tires. As an Original Equipment (OE) component, this tensioner is engineered to maintain the precise amount of belt tension required to prevent slippage and premature wear on your alternator, water pump, and AC compressor. Built specifically for the high-torque environments of 2018 and newer Volvo and Mack diesel engines, it eliminates belt squeal and reduces vibration, extending the life of your entire serpentine system. We stock these heavily right here in our Hanover Park, Illinois warehouse for lightning-fast shipping nationwide.

OE Engineering: The D13 MP8 Belt Tensioner Advantage

This D13 MP8 Belt Tensioner features Continental’s advanced internal damping system. This technology actively absorbs the brutal high-frequency torsional vibrations produced by heavy-duty 2018+ diesel engines, preventing the tensioner arm from "chattering" and protecting the engine bearings from shock loads. Manufactured with a high-strength cast aluminum housing and a precision-ground pulley, this assembly provides the exact factory-spec fit and durability required for extreme long-haul duty cycles.

At FleetPro Parts & Tires, we prioritize drive components that keep your cooling and charging systems fully operational. Don't gamble your uptime on rigid aftermarket tensioners that fail prematurely. This assembly is a direct professional-grade replacement for highly searched OEM part numbers like Volvo/Mack 21819687 and Continental 49608, ensuring a reliable, long-lasting fix for active belt-drive issues on your late-model D13 or MP8.

Engine Fitment & Compatibility

This genuine Continental OE tensioner assembly features an exact-fit design intended strictly for the following commercial powerplants:

• Engine Application: Volvo D13
• Engine Application: Mack MP8
• Year Range: 2018 and Newer (2018+)
• Component Group: Engine Cooling & Accessory Drive

Direct Replacement & Cross-Reference Numbers:

This Continental OE tensioner serves as a direct exact-fit replacement for the following part numbers:

• Volvo / Mack OEM: 21819687
• Continental / Contitech: 49608
• Automann Interchange: 816.49608

Technical Specifications

• Component Type: Automatic Belt Tensioner Assembly
• Housing Material: High-Strength Cast Aluminum
• Condition: Brand New
• Product Level: OE (Original Equipment by Continental)
• Brand: Continental Elite (Distributed by FleetPro Parts & Tires)