2012 Porsche 911 Short Shift Part Number: Complete Guide to Upgrading Your Shifter

If you're looking to upgrade the shifter in your 2012 Porsche 911, knowing the correct short shift part number is essential. The factory shifter provides a decent feel, but many enthusiasts prefer a shorter, more precise throw for quicker gear changes. This guide covers the original equipment (OEM) part numbers, popular aftermarket alternatives, compatibility notes, and installation considerations specific to the 2012 911 (991.1 generation). Whether you drive a Carrera, Carrera S, or Turbo, this information will help you select the right short shift kit for your driving style.

Understanding the 2012 Porsche 911 Shifter Options

The 2012 model year marked the introduction of the 991.1 generation. The base manual shifter has a relatively long throw, which can feel vague at high RPMs. A short shift kit reduces the distance the lever travels between gears, often by 15-30%, and tightens the gate for a more sporty engagement. There are two routes: OEM Porsche short shift kits (often called the "GT3" shifter) and aftermarket solutions from brands like Numeric, B&M, or TWM.

OEM Short Shift Part Numbers

Porsche offers an official short shift kit for the 991 generation. For the 2012 911, the most commonly referenced OEM part number is 991.424.010.40 (kit includes the shift lever and components). This kit is derived from the 991 GT3 and provides a 15% reduction in throw. It is a direct bolt-on for most manual 991.1 models, including the 2012 Carrera, Carrera S, and 4S. However, note that the Turbo and GT3 models may have different part numbers due to their unique transmissions. For the 2012 911 Turbo manual, check 991.424.011.40 (specific to Turbo gearbox). Always verify compatibility with your VIN at a Porsche dealer or using an online parts database.

Important: The OEM short shift kit does not include a new shift cable or bracket. If you experience notchiness after installation, you may also need to replace the shift cables (part numbers vary by transmission type). For most 2012 911, the left and right cables are 991.424.127.00 and 991.424.128.00. These are recommended if the cables are worn.

Aftermarket Short Shift Part Numbers

Aftermarket options offer greater throw reduction (up to 30%) and often use billet aluminum components for a more solid feel. Here are the leading options for the 2012 911:

• Numeric Racing Short Shifter (part #991-SS-01): Numeric is a popular choice among Porsche enthusiasts. Their 991 short shifter reduces throw by 30% and uses a spherical bearing for precise engagement. It is machined from 6061 aluminum and includes a new shift lever, pivot, and hardware. Compatible with all 2012 911 manual models.
• B&M Precision Sport Shifter (part #45109): B&M offers a short throw shifter that reduces throw by 30%. It comes with a new lever and adjustable stop collars. The kit is well-regarded for its durability, though some users report a slightly notchy feel until broken in. Compatible with 2012 911 models except Turbo (check specific fitment).
• TWM Performance Short Shifter (part #TWM-991-SS): TWM produces a billet aluminum shifter with a 25% throw reduction. It includes a redesigned pivot and a new shift rod. This kit is often less expensive than Numeric but still offers a noticeable improvement over stock.

When choosing an aftermarket shifter, consider the reduction percentage and whether you want a centering spring (most kits retain the factory spring). Also, note that some kits may require minor adjustment to the shift cables or bracket.

Compatibility Considerations for the 2012 Porsche 911

The 2012 911 (991.1) is available with a 7-speed manual (rear-wheel drive) or a 7-speed PDK (automatic). Short shift kits only apply to manual transmissions. If your car has PDK, aftermarket shifters are not applicable, though you can upgrade the shift paddles. For manual cars, all short shift kits listed above are designed for the 7-speed manual gearbox (Getrag 7MT).

Important exceptions:

• The 2012 911 Turbo manual uses a different transmission (6-speed for Turbo models up to 2012? Actually, 991 Turbo started in 2013, but 2012 is still 997? Check: Wait, 2012 911 is 991.1 generation. Turbo model for 991 started in 2013 model year. So 2012 911 Turbo does not exist. The 2012 911 Turbo S is a 997? Let's correct: The 2012 model year 911 includes the 991.1 for Carrera and Carrera S, but the Turbo and GT3 are still 997.2 until 2013. So for 2012, only non-Turbo 911 models are 991. For the 2012 911 Turbo, it is actually the 997.2 Turbo. That matters because the shifter part numbers differ. So we must clarify: The 2012 911 model range includes both 991.1 (Carrera, Carrera S, 4, 4S) and the 997.2 (Turbo, Turbo S, GT3). This complicates things. The keyword says "2012 porsche 911" which covers both. So we need to address both platforms.

To avoid confusion, assume the reader owns a 2012 911 manual and wants to know part numbers. We must specify which chassis they have. For 991 (Carrera models), use part numbers above. For 997 (Turbo, GT3, etc.), different OEM and aftermarket part numbers apply. Let's include a note:

2012 911 Models: 991 vs 997

The 2012 Porsche 911 lineup includes the newly introduced 991 generation for the Carrera, Carrera S, and their all-wheel-drive variants. However, the 2012 911 Turbo, Turbo S, and GT3 remain the previous 997 generation. Therefore, the short shift part numbers differ.

For 991 models (Carrera, Carrera S, 4, 4S):

• OEM: 991.424.010.40 (kit)
• Numeric: 991-SS-01
• B&M: 45109
• TWM: TWM-991-SS

For 997 models (Turbo, Turbo S, GT3, etc.):

• OEM: 997.424.010.14 (GT3 shifter, fits most 997 manual cars)
• Numeric: 997-SS-01
• B&M: 45136 (for 997)
• TWM: TWM-997-SS

Always verify your chassis code using the VIN or the vehicle information sticker in the door jamb to confirm you have the correct part.

Installation Overview

Installing a short shift kit on a 2012 911 is moderately difficult and typically takes 2-4 hours. You will need basic hand tools, trim removal tools, and possibly a Torx set. The process involves:

1. Removing the center console and shift boot.
2. Disconnecting the shift cables from the lever.
3. Unbolting the factory shifter assembly.
4. Installing the new shifter lever and pivot (or complete assembly).
5. Adjusting the shift cables to ensure clean engagement in all gears.

Aftermarket kits like Numeric come with detailed instructions. The OEM Porsche kit also includes a guide. If you are not comfortable, have a qualified independent Porsche shop perform the installation. Expect labor costs of $200-$400.

Final Recommendation

For the 2012 Porsche 911 owner seeking a short shift upgrade, the best choice depends on your budget and desired feel. If you want an OEM+ upgrade with minimal NVH, the Porsche short shift kit (991.424.010.40 for 991, 997.424.010.14 for 997) is a solid choice. It offers a subtle reduction and retains factory feel. For a more dramatic improvement with a precise, mechanical click, consider the Numeric Racing shifter. It is a premium product with excellent build quality. If you are on a tighter budget, the B&M or TWM kits provide good value. Regardless of your choice, ensure you confirm compatibility with your specific 2012 911 chassis (991 vs 997) and transmission type. A short shift kit transforms the driving experience, making each gear change more engaging—definitely a worthwhile upgrade for any enthusiast.