MAIN Supercharger Rebuild Kit, compatible with Eaton M45, used in Mini Cooper S W11B16A Tritec engines (2001-2008)

This kit includes:

2x FAG C3 Precision Ball bearings for the main and front body (Made in Europe)
2x Custom made needle roller bearings with INA internal parts (Made in the USA)
1x Oil Seals (for Rotors & Snout)
1x Oil Filled Nylon Coupler 
1x 250ml Synthetic Oil (Made by General Motors GM)
1x Adhesive mounting the bearings
1x Sealing paste (10ml)

Please note: full, complete supercharger rebuild kits for Mini Cooper 1.6L SC (W11B16A – Tritec / Pentagon) are available in our other listings.

Kits include
Precision ball bearing on the PTO side
INA needle bearing to properly support the shaft driving the water pump
PTO gear bearings

If you need help selecting the correct kit for your unit, feel free to contact us before purchasing.

Supercharger MAIN Rebuild Kit for EATON M45 MINI COOPER S R52 R53 JCW GP 2001+

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PERFORMANCE

Designed for performance-focused supercharger rebuild applications.

GLOBAL SHIPPING

Tracked worldwide shipping with secure, protective packaging.

SUPPORT

Responsive customer support to assist with product and installation questions.

MAIN Supercharger Rebuild Kit, compatible with Eaton M45, used in Mini Cooper S W11B16A Tritec engines (2001-2008)

This kit includes:

2x FAG C3 Precision Ball bearings for the main and front body (Made in Europe)
2x Custom made needle roller bearings with INA internal parts (Made in the USA)
1x Oil Seals (for Rotors & Snout)
1x Oil Filled Nylon Coupler 
1x 250ml Synthetic Oil (Made by General Motors GM)
1x Adhesive mounting the bearings
1x Sealing paste (10ml)

Please note: full, complete supercharger rebuild kits for Mini Cooper 1.6L SC (W11B16A – Tritec / Pentagon) are available in our other listings.

Kits include
Precision ball bearing on the PTO side
INA needle bearing to properly support the shaft driving the water pump
PTO gear bearings

If you need help selecting the correct kit for your unit, feel free to contact us before purchasing.

MAIN Supercharger Rebuild Kit, compatible with Eaton M45, used in Mini Cooper S W11B16A Tritec engines (2001-2008)

This kit includes:

  • 2x FAG C3 Precision Ball bearings for the main and front body (Made in Europe)
  • 2x Custom made needle roller bearings with INA internal parts (Made in the USA)
  • 1x Oil Seals (for Rotors & Snout)
  • 1x Oil Filled Nylon Coupler 
  • 1x 250ml Synthetic Oil (Made by General Motors GM)
  • 1x Adhesive mounting the bearings
  • 1x Sealing paste (10ml)

Please note: full, complete supercharger rebuild kits for Mini Cooper 1.6L SC (W11B16A – Tritec / Pentagon) are available in our other listings.

Kits include
Precision ball bearing on the PTO side
INA needle bearing to properly support the shaft driving the water pump
PTO gear bearings

If you need help selecting the correct kit for your unit, feel free to contact us before purchasing.

Vehicle compatibility

This supercharger rebuild kit is compatible with the vehicles listed below and the superchargers shown in the product gallery. If you are unsure whether this kit is compatible with your supercharger, please contact us before purchasing. We are always happy to provide expert advice.

Model

Year

Engine

Mini Convertible (R52)

2004 – 2008

1.6L (1,598 cc) SC Engine (w11b16a) Tritec / Pentagon

Mini Cooper S (R53)

2001 – 2006

1.6L (1,598 cc) SC Engine (w11b16a) Tritec / Pentagon

Mini John Cooper Works GP (R53, R52)

2006

1.6L (1,598 cc) SC Engine (w11b16a) Tritec / Pentagon

Shipping & Delivery Information

We understand how important it is for parts to arrive safely and reliably. Our shipping process is designed to be clear, efficient, and fully tracked from dispatch to delivery.

 

🇬🇧 UK Delivery

Orders are carefully packed and typically dispatched within 1 working day using fully tracked delivery services.
    

🌍 Europe & International Delivery

Most international orders are shipped via eBay’s Global Shipping Programme.

Orders are usually dispatched within 1 working day and sent by tracked service to eBay’s designated shipping hub. From there, eBay manages international transport, customs processing, and final delivery to the buyer.

 

🇺🇸 USA Delivery

Tracked international shipping to the United States is available.

Orders are typically dispatched within 1 working day using Royal Mail International Tracked and are then transferred to USPS for final delivery.

Customs clearance is handled by the carrier and relevant authorities. In many cases, shipments under the applicable import threshold clear without additional charges, but any customs requirements or fees are determined by US customs and are outside the seller’s control.

Need Shipping to a Different Country?

If delivery to your country is not currently shown on the listing, please feel free to contact us. In many cases, we can arrange international shipping on request and will do our best to assist.

 

Your experience matters to us. If you have any questions about shipping, delivery, or tracking, please send us a message — we’re always happy to help.

 

Delivery times are estimates and not guaranteed. Statutory consumer rights remain unaffected.

Returns & Buyer Confidence

We want you to feel confident when purchasing from us and aim to make the buying experience clear and straightforward.

If you are not satisfied with your purchase, returns are handled in accordance with eBay’s return process and applicable consumer protection regulations. Full details of the return timeframe and conditions are shown in the eBay return policy section of this listing.

Before Starting a Return

If you have any questions or concerns, we recommend contacting us first. We’re happy to answer questions, help troubleshoot issues, or clarify compatibility and installation details. Many situations can be resolved quickly, and we’re always glad to help where possible.

How to Start a Return

If a return is required, please open a return request through eBay and follow the instructions provided. We respond promptly and will guide you through the process to keep everything clear and efficient.

Important Information

If a parcel is returned to us due to non-collection or delivery issues beyond our control, any refund will be processed in line with eBay’s policies and applicable regulations once the item is received back. If you experience delivery problems, please contact us as soon as possible so we can assist before the parcel is returned.

Our Commitment

Customer satisfaction is important to us. Whether you need advice before ordering, compatibility confirmation, or support after purchase, we’re here to assist you at every stage.

If you have any questions about compatibility, installation, or the rebuild process, feel free to send us a message — we’re always happy to help.

This kit is designed for compatibility with the superchargers listed in the description and the units shown in our photos. Because supercharger variants can differ by application and production run, we recommend checking before purchase if you are unsure. You can send us a photo of your supercharger, its serial number, or your vehicle’s make and model, and we will confirm whether this kit is suitable for your application.

If a different configuration is required, no problem — we supply aftermarket rebuild kits compatible with a wide range of Eaton supercharger models and related applications. We’ll help guide you toward the most appropriate kit or the best available alternative, so you can proceed with confidence and clarity throughout your rebuild.

We supply aftermarket supercharger rebuild kits designed for compatibility with a wide range of Eaton superchargers used in factory-equipped and performance-focused applications. Our focus is on sourcing and supplying high-quality components that support reliable supercharger rebuilds across multiple vehicle platforms.

We work with established component manufacturers and materials suppliers to assemble rebuild solutions that prioritise precision, durability, and consistent operation. Our kits are developed for use in both standard factory configurations and modified performance setups, depending on the application.

As automotive enthusiasts, we place strong emphasis on practical experience and technical understanding. Our hands-on knowledge of Eaton supercharger platforms allows us to assist customers in selecting suitable components based on their specific rebuild requirements.

Whether maintaining a factory-equipped system or rebuilding a performance-oriented unit, our aim is to support dependable operation and long-term functionality of supercharged engines through clearly described, aftermarket rebuild solutions.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

We hope you will love your purchase, however if you need to return it, we have a 60 day return policy.

About us

We supply supercharger rebuild kits designed for compatibility with a wide range of Eaton superchargers used in factory-equipped and performance-focused applications. Our focus is on sourcing and supplying high-quality components that support reliable supercharger rebuilds across multiple vehicle platforms.


We work with established component manufacturers and materials suppliers to assemble rebuild solutions that prioritise precision, durability, and consistent operation.


As automotive enthusiasts, we place strong emphasis on practical experience and technical understanding. Our hands-on knowledge of Eaton supercharger platforms allows us to assist customers in selecting suitable components based on their specific rebuild requirements.

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