1. USED Transmission & Drivetrain Deals
  2. sku: 10076510922505771
  3. OE SUPPLIER 18PFPX99

OE SUPPLIER 18PFPX99 Mainshaft Bearing

fits year: 1987–1995.

18pfpx99 Oe Supplier Mainshaft Bearing For 911 1987 1988 1989 1990 1991 1992 1993 1994 1995

( Brand: Oe Supplier ), ( Manufacturer Part Number: 18PFPX99 ), ( Type: Mainshaft Bearing ), ( Fits 1: 1987-1998, 2001-2005, 2007-2014 Porsche 911 ), ( Fit Note: Manual Transmission Main Shaft Bearing ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review OE SUPPLIER Mainshaft Bearing For fits 911 1987–1995

The 18PFpx99 mainshaft bearing from Supplier is a precision-engineered component designed specifically for Porsche 911 models produced between 1987 and 1995. This bearing plays a crucial role in the transmission system, supporting the mainshaft and facilitating the smooth transfer of power from the engine to the drivetrain.

Manufactured using high-quality materials, this mainshaft bearing boasts exceptional durability and resistance to wear and tear. Its inner and outer races are made from heat-treated steel, ensuring superior strength and stability under heavy loads. The roller bearings are crafted from chrome steel, offering excellent load capacity and rolling efficiency.

The 18PFpx99 bearing is also designed to provide optimal sealing performance, with a labyrinth seal on the outer ring that effectively prevents oil leakage and contamination. This feature not only helps maintain the transmission system's cleanliness and efficiency but also extends the bearing's lifespan by protecting it from harmful environmental factors.

Installation of this mainshaft bearing is a straightforward process, requiring no special tools or extensive mechanical expertise. It comes pre-lubricated, allowing for hassle-free installation directly onto the crankshaft and transmission mainshaft.

This 18PFpx99 mainshaft bearing from Supplier is an excellent choice for Porsche 911 owners seeking top-tier performance and reliability from their transmission system. With its superior quality materials, robust design, and excellent sealing performance, this bearing ensures a smooth, quiet, and efficient driving experience.

In summary, this 18PFpx99 mainshaft bearing is a high-performance, long-lasting component specifically engineered for Porsche 911 models from 1987 to 1995. Its exceptional durability, sealing performance, and ease of installation make it an indispensable upgrade for those seeking optimal transmission system performance.

Buying a 18PFpx99 Mainshaft Bearing for 1987-1995 Porsche 911: Weighing the Pros and Cons

Introduction:

The 18PFpx99 mainshaft bearing is a critical component in the powertrain of Porsche 911 models manufactured between 1987 and 1995. A worn or failing bearing can lead to various drivetrain issues, including vibrations, noise, and even transmission damage. In this analysis, we will explore the advantages and disadvantages of purchasing a new 18PFpx99 mainshaft bearing from different sources to help you make an informed decision.

Pros of Buying OEM (Original Equipment Manufacturer) Part:

1. Guaranteed Fit: OEM parts are designed and manufactured by the vehicle's original equipment manufacturer. They are engineered to meet the exact specifications and standards of the car, ensuring a perfect fit.

2. Superior Quality: OEM parts are made using high-quality materials and manufacturing processes. They are built to last and provide optimal performance.

3. Warranty Coverage: OEM parts often come with extended warranties, providing peace of mind and protecting your investment.

Cons of Buying OEM Part:

1. Cost: OEM parts tend to be more expensive than aftermarket alternatives due to their superior quality and manufacturing processes.

2. Availability: OEM parts may not always be readily available, especially for older models, since they are produced in smaller quantities.

Pros of Buying Aftermarket Part:

1. Cost-effective: Aftermarket parts are typically less expensive than OEM parts, making them an attractive option for those on a budget.

2. Wide Availability: Aftermarket parts are produced by various manufacturers and are widely available through numerous sources, including online marketplaces and local auto parts stores.

3. Competition: The competition among aftermarket part manufacturers drives innovation and improvement, resulting in high-quality alternatives to OEM parts.

Cons of Buying Aftermarket Part:

1. Fit and Functionality: Aftermarket parts may not always fit or function perfectly, as they are not engineered to meet the exact specifications of your vehicle.

2. Quality Variability: The quality of aftermarket parts can vary significantly between different manufacturers, making it essential to research and select a reputable supplier.

3. Warranty Coverage: Aftermarket parts usually do not come with the same level of warranty coverage as OEM parts.

Conclusion:

When considering the purchase of a 18PFpx99 mainshaft bearing for your 1987-1995 Porsche 911, it is essential to weigh the pros and cons of OEM and aftermarket options. While OEM parts offer a guaranteed fit, superior quality, and warranty coverage, they come at a higher cost and may not always be readily available. Aftermarket parts provide cost savings and wide availability but may not fit or function perfectly and have varying quality levels. Ultimately, your decision should be based on your budget, priority on fit and functionality, and the level of risk you are willing to accept.

Recommendation:

If you prioritize a perfect fit, superior quality, and peace of mind, an OEM 18PFpx99 mainshaft bearing is the best choice for your Porsche 911. If you are budget-conscious and willing to accept some risk, consider purchasing an aftermarket part from a reputable supplier. Regardless of your decision, always ensure that the part is compatible with your specific vehicle model and year.

Details:

12 Month Warranty. Vehicle Sub model Engine, Fitment Notes: Behind 4th Gear,4 POINT BEARING, 2011 Porsche 911GT2 RS, 911GT3 RS 4.0, 2007 - 2008, 2005, 2011 2013 911Turbo, 2004 - 2005, 2010 - 2011, 2014 911GT3, 2002 - 2005, 2008 2009 911GT2, 2001 - 2005, 2007 2013 911Turbocharged, 1989 1998 911.

part #: 18pfpx99 price

  • $254.46

specifications othellodrivetrain:

  • for years: 1987-1995
  • brand: Oe Supplier
  • mpn: 18pfpx99
  • type: Mainshaft Bearing
  • fits 1: 1987-1998, 2001-2005, 2007-2014 Porsche 911
  • fit note: Manual Transmission Main Shaft Bearing
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

returns othellodrivetrain:

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

seller othellodrivetrain:

  • city: Pico Rivera, California
  • # reviews: 52960
  • rating: 91.5%

offer othellodrivetrain:

  • options: Ship-to-home
  • started: October 19, 2025
  • sold: 0
  • quantity: 1
  • availability: In Stock

shipping othellodrivetrain:

  • cost: $0.00
  • service: Standard
  • type: Fixed
  • transit: 3-6 Days
  • class: Standard

general othellodrivetrain:

  • Car Truck Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain
  • condition: New

payments othellodrivetrain:

  • credit card: Visa
  • wallet: Google-pay
  • other
for years: 1987-1995, type: mainshaft bearing, fits 1: 1987-1998, 2001-2005, 2007-2014 porsche 911, fit note: manual transmission main shaft bearing, manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > transmission drivetrain, sku: 10076510922505771,

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1 offer $254.46 USD
  • Offer #1: $254.46 price + $0.00 shipping estimate = $254.46* total. 2004-2005, 2007-2008, 2010-2011, 2014 Porsche 911 GT3. Notes Manual Transmission Main Shaft Bearing.FREE SHIPPING

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