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  3. PORSCHE 99730290190

PORSCHE 99730290190 Gearsets Mainshaft 2ND

fits model: Gt3, 911. make: Porsche.

99730290190 Porsche Excellent Original 911 997 Gt3 1st 2nd Speed Matching Gearsets Mainshaft

( Manufacturer Part Number: 99730290190 ), ( Type: Manual Transmission ), ( Country/region Of Manufacture: Germany )

Review PORSCHE Excellent Original 997 1st 2nd Speed Matching Gearsets Mainshaft fits GT3 911

The Porsche 997 302 901 911 GT3 2nd Gearset Mainshaft is an essential component of the transmission system in the iconic Porsche GT3 model of the 997 series. This mainshaft is specifically designed to fit the second gearset of the GT3's transmission, ensuring smooth and efficient power transfer from the engine to the drivetrain.

The mainshaft is manufactured using high-strength steel, providing it with exceptional durability and rigidity. Its precision-machined surfaces ensure a perfect fit with the related transmission components, while its hardened and ground gears deliver reliable and consistent gear engagement. The shaft's surface is treated with a protective coating to prevent corrosion and wear, ensuring a long service life.

The 997 GT3 2nd Gearset Mainshaft features a unique design that allows it to handle the high torque loads generated by the GT3's powerful engine. Its double-row roller bearings at each end reduce friction and wear, while also providing additional strength and stability. The use of high-quality bearings and gears ensures minimal noise during operation.

Installing this mainshaft is a straightforward process, with no need for any major modifications to the transmission. It is supplied complete with all necessary hardware for installation, ensuring a hassle-free experience for the user.

The Porsche 997 302 901 911 GT3 2nd Gearset Mainshaft is the ideal upgrade for GT3 owners seeking to enhance the performance and reliability of their vehicle's transmission system. Its exceptional strength, precision engineering, and durable design make it an essential component for any serious GT3 enthusiast. Whether used for everyday driving or high-performance track use, this mainshaft is sure to deliver consistent and reliable gear engagement, making every driving experience an enjoyable one.

Pros and Cons of Buying a Porsche 997 GT3 2nd Gearset Mainshaft

The Porsche 997 GT3 is a high-performance sports car known for its power, agility, and precision. One of the crucial components of its powertrain is the gearset mainshaft, which can wear out over time and require replacement. In this article, we will discuss the pros and cons of buying a new 2nd gearset mainshaft for a Porsche 997 GT3.

Pros:

1. Improved Performance: A new gearset mainshaft ensures smooth and efficient power delivery, resulting in improved performance. A worn-out mainshaft can cause gear shifts to be sluggish or imprecise, which can negatively impact the driving experience.

2. Reliability: A new mainshaft is more reliable than a used one, reducing the risk of unexpected failures or breakdowns. Replacing the mainshaft is a preventative measure that can save you from costly repairs down the line.

3. Longer Lifespan: A new mainshaft is designed to last longer than a used one, providing peace of mind and reducing the frequency of replacement.

Cons:

1. Cost: A new 2nd gearset mainshaft for a Porsche 997 GT3 can be quite expensive, especially for those on a tight budget.

2. Installation: Installing a new mainshaft can be a complex and time-consuming process, requiring specialized tools and expertise. It is recommended to have it installed by a professional to ensure proper installation and alignment.

3. Availability: Depending on the availability of the part from the dealer or an aftermarket supplier, it may take some time to receive the new mainshaft.

Conclusion:

In conclusion, the decision to buy a new 2nd gearset mainshaft for a Porsche 997 GT3 depends on several factors, including your budget, driving habits, and the condition of your current mainshaft. If you value performance, reliability, and a longer lifespan, a new mainshaft may be worth the investment. However, if cost is a concern, you may want to consider alternative options, such as a used mainshaft or a rebuild of your current one. Ultimately, it is essential to weigh the pros and cons carefully and consult with a Porsche specialist to make an informed decision.

Recommendation:

If you decide to proceed with a new mainshaft, it is recommended to purchase it from a reputable dealer or aftermarket supplier with a proven track record of providing high-quality parts. Additionally, ensure that the installation is performed by a certified Porsche technician to minimize the risk of any complications.

Details:

No surprises here. This setup retails for $3289.75 from Porsche. Units are dated 2007 and come as shown. Here is an excellent original genuine Porsche GT3 mainshaft 997.302.901.90 with the matching 1st and 2nd gearsets as used on 2007 911/997 model's.

This can be shipped anywhere worldwide. Weir spreeing Porsche. Please see pictures.

specifications complmanu:

  • for models: Gt3, 911
  • for makes: Porsche
  • mpn: 99730290190
  • type: Manual Transmission
  • country/region of manufacture: Germany

returns complmanu:

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

general complmanu:

  • Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission
  • condition: Used

seller complmanu:

  • city: Springfield, Vermont
  • rating: 100.0%
  • # reviews: 34119

payments complmanu:

  • other
  • wallet: Apple-pay
  • credit card: Mastercard

offer complmanu:

  • sold: 0
  • availability: In Stock
  • started: June 25, 2025
  • quantity: 1
  • options: Ship-to-home

shipping complmanu:

  • type: Calculated
  • carrier: USPS, FedEx
  • service: USPS Ground Advantage, FedEx Ground or FedEx Home Delivery, USPS Priority Mail Express
  • cost: $30.85
  • class: Standard, Expedited
  • transit: 3-10 Days
for models: gt3, 911, for makes: porsche, type: manual transmission, country/region of manufacture: germany,
category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission, sku: 7797065031476682,
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