UPD UPDA1130900044 Supercharger Pulley Tune M113K 77MM

( Brand: Upd ), ( Manufacturer Part Number: UPDA1130900044 )

Review UPD Mercedes 77mm Supercharger Pulley And Tune Combo fits AMG

The UPD Upda1130900044 Mercedes-Benz AMG M113K 77mm Supercharger Pulley is an essential performance upgrade for Mercedes-Benz AMG models equipped with the M113K supercharger. This pulley, developed by the renowned German performance parts manufacturer UP Dynamics, is designed to maximize the potential of your AMG engine by optimizing the supercharger's boost pressure.

The UP Dynamics 77mm Supercharger Pulley is an oversized pulley that replaces the original 63mm pulley. By increasing the pulley diameter, the engine speed at which the supercharger impeller spins is reduced, resulting in lower supercharger belt RPM and reduced parasitic loss. This translates into increased efficiency, improved power output, and enhanced engine response.

This pulley is not just about power gains but also about refining the driving experience. By reducing the supercharger's belt RPM, the noise level is also reduced, resulting in a quieter and more comfortable cabin. The pulley is CNC-machined from high-quality billet aluminum, ensuring a precise fit and superior durability.

The UP Dynamics 77mm Supercharger Pulley is easy to install, requiring no modifications to the engine or the supercharger. It comes with all necessary hardware, including a new supercharger belt, making the installation process hassle-free.

This pulley upgrade is an excellent choice for those seeking to extract more performance from their Mercedes-Benz AMG, especially those who have already made other power-enhancing modifications. It provides a noticeable improvement in power output, torque, and drivability, making every driving experience more exhilarating.

In summary, the UP Dynamics UPda1130900044 Mercedes-Benz AMG M113K 77mm Supercharger Pulley is a high-quality, performance-enhancing component designed to optimize the supercharger's boost pressure, reduce noise levels, and provide a more efficient and responsive engine. It is an essential upgrade for any Mercedes-Benz AMG owner seeking to unleash the full potential of their vehicle.

Buying a Mercedes-Benz AMG M113K 77mm supercharger pulley tune is an option for those looking to enhance the performance of their Mercedes-Benz AMG vehicle. Here are some potential pros and cons of making this investment:

1. Increased Power: A larger supercharger pulley can lead to increased power output, resulting in better acceleration and overall improved performance.

2. Improved Responsiveness: A larger pulley can help reduce the time it takes for the supercharger to spool up, resulting in more immediate power delivery.

3. Enhanced Driving Experience: For enthusiasts, the increased power and responsiveness can lead to a more enjoyable driving experience.

1. Cost: The cost of purchasing and installing a supercharger pulley tune can be significant.

2. Complex Installation: Installing a supercharger pulley tune can be a complex process, requiring specialized knowledge and tools.

3. Potential Warranty Issues: Modifying the engine in this way could potentially void the factory warranty on the vehicle.

4. Increased Wear and Tear: The increased power output can lead to increased wear and tear on the engine and other components, requiring more frequent maintenance.

In conclusion, buying a Mercedes-Benz AMG M113K 77mm supercharger pulley tune can provide significant performance benefits, but it comes with a cost and potential risks. It is important to carefully consider these factors and weigh them against the potential benefits before making a decision.

If you are an experienced Mercedes-Benz AMG owner with a good understanding of engine modifications, and you are willing to accept the potential costs and risks, then a supercharger pulley tune could be a worthwhile investment. However, if you are not comfortable with the installation process or the potential warranty issues, it may be best to consider other options for improving the performance of your Mercedes-Benz AMG vehicle.

Details:

Special coating reduces belt slip. Our tests show 65 rear wheel hp and torque gains, while maintaining a safe level of boost supercharger rpm. 35% lighter than factory pulley, reducing rotational mass. Fits E55, CLS55, CL55, S55, SL55, G55.

Increases horsepower and torque. Reduced rotational mass increases supercharger longevity. Improved nitrite coated clutch, plate and spring design. Kit includes a flash tune cable and customized for your current modifications.

Easy to install. Our tests show 50 plus rear wheel hp and torque gains, while maintaining a safe level of boost supercharger rpm.

part #: upda1130900044 prices

• $445.00-$565.00

specifications reppchargers:

• for models: Amg
• for makes: Mercedes
• brand: Upd
• mpn: Upda1130900044

payments reppchargers:

• other
• credit card: Discover
• wallet: Paypal

offer reppchargers:

• started: January 18, 2026
• sold: 0
• availability: In Stock
• quantity: 4
• best offers: True
• options: Ship-to-home

shipping reppchargers:

• transit: 5-9 Days
• service: UPS Ground
• class: Standard
• type: Fixed
• carrier: UPS
• cost: $0.00

general reppchargers:

• Air Fuel Delivery > Turbos, Superchargers Intercoolers > Superchargers Parts
• condition: New

returns reppchargers:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller reppchargers:

• # reviews: 279
• rating: 100.0%
• city: Leander, Texas