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Supercharger Components

Superchargers use a belt-driven pulley to compress a charge of air into the intake manifold. If you are replacing or rebuilding your supercharger unit you may need some other miscellaneous parts as well. Find everything you're looking for to do the job right the first time.
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Active Autowerke Rotrex Traction Fluid - One Liter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Active Autowerke - Corporate Logo
T#:397307
Part#: 12-032
Ships in 1 Business Day
$ 240.00 USD
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$ 240.00 USD
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Rotrex superchargers utilize a unique traction drive system that sets it apart from other centrifugal-style superchargers. For best performance, Rotrex recommends replacing this fluid every 50,000 miles. This bottle of traction fluid is plenty enough for one supercharger service (typically 750ml). 
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W11 1.6L Supercharger Pulley Removal Tool R52 R53
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Alta Performance - Corporate Logo
T#:586220
Part#: AMPENG208
In Stock
$ 93.99 USD
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$ 93.99 USD
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Crafted from machined 6061 billet aluminum, the ALTA Performance Pulley Removal Tool is specifically designed for the non-JCW MINI Cooper S, offering a convenient way to enhance power quickly and effortlessly, whether you're in a workshop or your backyard. This versatile tool ensures durability and can be utilized repeatedly with proper usage, maintenance, and care. An essential addition for MINI specialty shops, this tool is compatible with all OEM-sized pulleys, except for JCW variants. Note: A steering wheel puller is necessary for the removal of the stock supercharger pulley.

  • Crafted from machined 6061 billet aluminum
  • Designed for non-JCW MINI Cooper S
  • Durable for repeated use with proper care
  • Ideal for MINI specialty shops
  • Compatible with all OEM-sized pulleys (excluding JCW)
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Hydraulic Belt Tensioner
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Ina - Corporate Logo
T#:591702
Part#: 11288620210
In Stock
$ 130.04

This product was last offered at the strikethrough price on
06-17-2026

$ 129.99 USD
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$ 129.99 USD
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Take control of your belt system's tension with this crucial component that ensures consistent pressure management. Over time, wear and tear can lead to the failure of this unit, or the strut may suffer damage. When it comes to serpentine belt replacement, this component becomes indispensable, requiring the most force to be carefully pried back into position.
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ALTA Crank Pulley - 0% (Stock Size) MINI W11 1.6L Engine
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Alta Performance - Corporate Logo
T#:394899
Part#: AMPENG500
In Stock at Vendor
$ 129.99 USD
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$ 129.99 USD
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ALTA Lightweight Crank Pulley (LCP) for Mini

Upgrade your Mini's performance with the ALTA Lightweight Crank Pulley (LCP), designed to increase horsepower and torque. Available in two sizes - 0% Stock Sized and +2% Oversized - this pulley is engineered for Supercharged Cooper S models. Crafted from 6061T6 aluminum, the ALTA pulley is lightweight, weighing just 0.65 lbs, providing a weight reduction of over 2.3 lbs compared to the stock crank pulley.

  • Increases horsepower and torque
  • Lightweight design reduces rotational mass
  • Does not wear out engine bearings or oil pump
  • Adds boost safely and reliably
  • Improves belt contact with pulleys, reducing wear
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Genuine MINI Adjustment Pulley
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Genuine MINI - Corporate Logo
T#:212450
Part#: 11288625983
In Stock
7% off MSRP $ 74.51

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 69.09 USD
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7% off MSRP
$ 74.51

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 69.09 USD
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Genuine MINI Adjusting Pulley - 11288625983
Fits BMW Engines including:
W11

Genuine MINI Hydraulic Belt Tensioner
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Genuine MINI - Corporate Logo
T#:192950
Part#: 11288620210
In Stock
8% off MSRP $ 299.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 277.00 USD
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8% off MSRP
$ 299.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 277.00 USD
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Genuine Mini Hydraulic Belt Tensioner
Fits BMW Engines including:
N51,W11


Genuine MINI Water Pump With O-Ring
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Genuine MINI - Corporate Logo
T#:212452
Part#: 11511490591
Ships in 1 day
8% off MSRP $ 427.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 394.99 USD
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8% off MSRP
$ 427.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 394.99 USD
Free Shipping
Genuine MINI Coolant Pump, Mechanical - 11511490591
Fits BMW Engines including:
W11

R52 / R53 Supercharger Pulley - 17%
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Alta Performance - Corporate Logo
T#:586157
Part#: AMPENG205V2
In Stock
$ 123.99 USD
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$ 123.99 USD
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Crafted from lightweight 6061T6 aluminum, the ALTA SC pulley body reduces the supercharger's rotational inertia, significantly enhancing your Mini's engine responsiveness. This innovative pulley design integrates cross-drilled holes to amplify belt grip and mitigate belt slippage, especially during belt stretching. Furthermore, it incorporates oversized belt retainers to prevent belts from jumping off. Available in two sizes—15% and 17% reductions—the 15% reduction option, a market standard, delivers safe power gains of around 20WHP, ensuring a smoother and enhanced performance.

Benefits:

  • Enhanced engine responsiveness
  • Improved belt grip and reduced slippage
  • Safe power increase of around 20WHP (15% reduction)
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Crank Pulley With Dampener
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Rein - Corporate Logo
T#:599037
Part#: 11237638551
Ships in 3 Business Days
$ 87.99 USD
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$ 87.99 USD
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