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  3. EATON QS311

EATON QS311 Front Inlet Needle Bearings Supercharger

Qs311 Eaton Oem Front Inlet Needle Bearings Supercharger Special For T

( Brand: Eaton ), ( Manufacturer Part Number: QS311 ), ( Type: Supercharger ), ( Manufacturer Warranty: Yes ), ( Fitment Type: Direct Replacement ), ( Country Of Origin: United States )

Review EATON Oem Front Inlet Needle Bearings Supercharger Special For

The Eaton QS311 Front Inlet Needle Bearings Supercharger is a critical component in the performance enhancement of your engine. This supercharger, manufactured by the renowned Eaton Corporation, is specifically designed for applications requiring improved power output and responsiveness.

The QS311 Front Inlet Needle Bearings Supercharger is an evolution of Eaton's proven rotating group technology. It features a high-strength, forged rotor and a robust, machined impeller. The front inlet needle bearings are designed with precision to ensure smooth, efficient operation. These needle bearings are self-lubricating, reducing the need for frequent maintenance and increasing the overall longevity of the supercharger.

The QS311 supercharger is engineered to deliver maximum power gains. Its compact design allows for easy installation, making it an ideal choice for both new builds and upgrades. The front inlet configuration ensures that cool, dense air is drawn directly into the supercharger, resulting in optimal boost pressures and power output.

Eaton's QS311 Front Inlet Needle Bearings Supercharger is built to endure the rigors of high-performance applications. Its robust design and premium materials enable it to handle the increased pressures and temperatures that come with enhanced power output. The supercharger is also backed by Eaton's industry-leading warranty, giving you peace of mind and assurance in your investment.

In summary, the Eaton QS311 Front Inlet Needle Bearings Supercharger is a high-performance component that delivers impressive power gains and unmatched reliability. Its advanced design, precise manufacturing, and robust materials make it a top choice for those seeking to boost their engine's power output and responsiveness.

Buying Eaton QS311 front inlet needle bearings supercharger comes with several pros and cons that every potential buyer should consider before making a decision.

Pros:

1. Enhanced Performance: The Eaton QS311 supercharger is known for its ability to increase horsepower and torque, making it an excellent choice for those seeking improved engine performance.

2. Durability: Eaton superchargers are built to last, and the QS311 model is no exception. Its robust design ensures that it can withstand the rigors of high-performance driving.

3. Reliability: Superchargers are a reliable alternative to turbos, and the Eaton QS311 is no exception. It provides consistent boost levels and is less prone to failure than turbos.

4. Easy Installation: The Eaton QS311 supercharger is relatively easy to install compared to other types of forced induction systems. This can save time and money on labor costs.

Cons:

1. Cost: The Eaton QS311 supercharger is a significant investment, and the cost of purchasing and installing it can be prohibitive for some.

2. Size: The supercharger is larger than a turbo and can take up valuable space in the engine bay. This may require modifications to the vehicle's engine compartment.

3. Fuel Consumption: Superchargers require more fuel to operate than naturally aspirated engines. This can lead to increased fuel costs and potentially reduced fuel efficiency.

4. Maintenance: The Eaton QS311 supercharger requires regular maintenance to ensure optimal performance. This includes periodic oil changes and belt replacements.

Conclusion:

The Eaton QS311 front inlet needle bearings supercharger offers several benefits, including enhanced performance, durability, reliability, and easy installation. However, it also comes with drawbacks such as cost, size, fuel consumption, and maintenance requirements. Ultimately, whether or not to purchase this supercharger depends on an individual's specific needs, budget, and priorities.

Recommendation:

If you're looking for improved engine performance and are willing to invest in a reliable and durable forced induction system, the Eaton QS311 supercharger is an excellent choice. However, if cost is a significant concern or you prefer a smaller, less intrusive system, you may want to consider alternative options such as a turbocharger or a less powerful supercharger. Ultimately, it's essential to weigh the pros and cons carefully and consult with a professional mechanic to determine which forced induction system is best for your specific vehicle and driving needs.

Details:

The 2 Bearings are different OD dimensions. Needle bearings are greased and ready to install. Drive Hub Puller. Fits front air entry drive type superchargers pulley and inlet same side.

Pair 2 Bearings. 17mm ID x 27.0 OD 22.2 lg. Genuine EATON OEM. These are FACTORY OEM bearings made for EATON Superchargers.

17mm ID x 27.5 OD 23.4 lg. Supercharger Inlet Needle Bearings. Needle Bearing Install. Tools used to remove Drive Hub Needle Bearings.

Supercharger Tear Down.

part #: qs311 price

  • $69.99

specifications reppchargers:

  • brand: Eaton
  • mpn: Qs311
  • type: Supercharger
  • manufacturer warranty: Yes
  • fitment type: Direct Replacement
  • country of origin: United States

offer reppchargers:

  • availability: In Stock
  • started: April 11, 2026
  • options: Ship-to-home
  • quantity: 3
  • sold: 0

general reppchargers:

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

payments reppchargers:

  • other
  • credit card: Visa
  • wallet: Google-pay

seller reppchargers:

  • # reviews: 7450
  • city: Hermitage, Pennsylvania
  • rating: 100.0%

returns reppchargers:

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

shipping reppchargers:

  • class: Expedited
  • type: Calculated
  • carrier: USPS
  • service: USPS Priority Mail Padded Flat Rate Envelope, USPS Priority Mail Express Flat Rate Envelope
  • cost: $12.95
  • transit: 4-7 Days
type: supercharger, manufacturer warranty: yes, fitment type: direct replacement, country of origin: united states,
category: auto parts > air fuel delivery > turbos, superchargers intercoolers > superchargers parts, sku: 4194131448731711,

Eaton QS311 Is Similar To:

reppchargers logo
2 offers $69.99–$69.99 USD
  • Offer #1: $69.99 price + $10.75 shipping estimate = $80.74* total. Pair (2 Bearings). Needle bearings are greased and ready to install.+$10.75 shipping
  • Offer #2: $69.99 price + $14.00 shipping estimate = $83.99* total.+$14.00 shipping

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