Mercedes-Benz M274 C300/CLA250/GLA250/GLC300 Belt Idler Pulley, OE A0002021719
$26.99
The belt idler pulley guides the accessory drive belt and keeps proper tension across the system, ensuring your alternator, power steering, and A/C compressor stay driven correctly. A worn pulley can cause belt noise, slipping, or premature belt failure.
Designed for the M274 engine found in the C300, CLA250, GLA250, and GLC300, this pulley matches OE reference A0002021719 for a straightforward, direct replacement.
Made to OE specifications, it provides smooth, quiet operation and helps protect the rest of your accessory belt system.
Reference: OE/interchange 670K6
Quantity
New




Happy Humbl Customers
What they’re saying

"The socket set is top-tier quality. Heavy-duty steel that handles real torque without slipping. Better than the big box store brands honestly."
Jason M., Ohio

Ordered brake pads and rotors for my truck. Everything fit perfectly right out of the box. Saved me cash and shipping was surprisingly fast."
Isaac L., Texas

"Incredible service. Needed a specific sensor fast and it arrived a day early. The site is simple to use. Finally found a reliable parts source!"
Mike T., Florida




