Smart Fortwo A451 Rear Axle Driveshaft Drive Shaft Left N/S A4513570501

Smart Fortwo A451 Rear Axle Driveshaft Drive Shaft Left N/S is a factory-original drivetrain component from the Drive shafts group, designed for installation on the rear left side of the vehicle. Its original design ensures proper torque transmission to the wheel, stable drivetrain operation, and predictable vehicle behavior during daily use. This is the ideal solution for users seeking parts with confirmed compatibility for the Smart Fortwo A451 series.

Specifications and technical data

• SKU: A4513570501
• Mark: Smart
• Condition: Used
• OEM Part Number: A4513570501
• Substitutable numbers: A4513570501, A 451 357 05 01
• Location on the vehicle: Rear, Left
• Part type: Driveshaft
• Category: Driveshafts

Purpose and function in the drivetrain

The rear left driveshaft in the Smart Fortwo A451 is responsible for the mechanical connection between the transmission and the wheel hub on the driver's side, enabling effective power delivery to the road surface. The precisely selected length and geometry of the component allow for maintaining correct suspension geometry and handling stability, which is particularly important in the compact design of the Smart.

Thanks to its dedicated placement on the vehicle (rear, left side), compatibility with the factory drivetrain is maintained, which reduces the risk of vibrations, noise, or premature wear of mating components. This is especially important when replacing a single driveshaft while other drivetrain elements remain original.

Benefits of using an original Smart driveshaft

Using a driveshaft dedicated to the Smart Fortwo A451 allows you to maintain factory drivetrain performance parameters without the need to modify other sub-assemblies. Properly selected joints and shaft profile promote smooth acceleration, reduce jerking, and support even load distribution on the suspension.

The main advantages of using this driveshaft include:

• maintaining compatibility with the factory drivetrain design of the Smart Fortwo A451,
• stable torque transmission to the rear left wheel,
• reduced risk of improper fitment compared to universal aftermarket replacements,
• possibility of replacement within standard service procedures without structural modifications.

As an element from the Drive shafts group, this driveshaft serves as a vital link between the transmission and the wheel, influencing driving comfort, drivetrain refinement, and predictable vehicle behavior during acceleration and engine braking.

Installation characteristics and application

The rear left driveshaft for the Smart Fortwo A451 is designed for installation in place of the factory component, which facilitates service work and shortens repair time. The specific orientation for the vehicle side eliminates installation doubts and ensures the correct positioning of the joints relative to the suspension and bodywork.

The component is suitable both for typical replacement of a worn driveshaft and for post-collision repairs, where restoring the original drivetrain geometry is crucial. Proper fitment for the Smart Fortwo A451 model reduces the risk of subsequent issues with leaks, play, or improper joint operation.

Drivetrain selection and driving characteristics

When replacing drivetrain components, it is worth paying attention to the consistency of the entire system – from the transmission through the driveshafts to the hubs and bearings. A well-selected rear left driveshaft helps maintain an even load on both sides of the axle, which translates into predictable vehicle behavior in corners and during dynamic maneuvers.

If you want to better understand how drivetrain configuration affects handling characteristics and component durability, our blog article will be helpful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. You will find practical tips on selecting drivetrain components to suit your needs.

Expanding repairs within the Smart drivetrain

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Smart and need other elements from the same group, such as additional driveshafts, connecting shafts, or components working with the transmission, check out the available parts in the Smart Drive shafts category.