9113322120R PORSCHE Differential

Review PORSCHE Very Nice Used Original 915 Open Differential Assembly #18 for 911 1972-74–2018

Introducing the Porsche 911 Type 915 Differential, a legendary component from the iconic 1972-1974 Porsche 911 models. This differential is not just a part; it's a testament to Porsche's engineering excellence during that era.

The Type 915 Differential, specifically the 3322120R variant, is a robust and reliable unit designed to deliver exceptional performance on the racetrack and the road. Its unique feature is the all-synchromesh gearset, which ensures smooth and seamless gear engagements, making it an ideal choice for high-performance applications.

This differential is housed in a sturdy cast iron casing, which not only provides excellent strength and durability but also helps keep the weight down. The unit is equipped with a limited-slip differential lock, allowing optimal power transfer to the wheels, enhancing traction and stability, especially during cornering.

The 18mm difference in the width between the left and right sides of the differential housing ensures proper wheel alignment and reduces tire wear. This gearbox is a must-have for enthusiasts and collectors restoring or upgrading their classic Porsche 911 models.

The Porsche 911 Type 915 Differential 3322120R is a carefully engineered piece of automotive history. Its smooth operation, durability, and high-performance capabilities make it a valuable addition to any Porsche 911 restoration project or track day setup. Experience the rich heritage and engineering prowess of Porsche with this iconic differential.

The Porsche 911 915 differential, specifically the type 911 332 212 0R used in Porsche 911 models from 1972 to 1974, is a desirable component for enthusiasts due to its unique features and historical significance. However, like any automotive part, it comes with its own set of pros and cons.

1. Rear-Engine Placement: The 915 differential is located at the rear of the car, providing superior weight distribution and handling characteristics that are typical of Porsche's iconic rear-engine layout.

2. Gear Ratio Flexibility: The 915 differential came with a variety of available gear ratios, allowing owners to customize their cars for different driving styles and applications.

3. Durability: The 915 differential is known for its robust design and ability to handle high power outputs, making it a popular choice among enthusiasts who modify their cars for increased performance.

4. Historical Significance: The 915 differential was used in some of the most iconic Porsche models from the 1970s, including the 911 Carrera RS and the 911 Turbo, making it a desirable component for collectors and enthusiasts.

1. Maintenance Requirements: The 915 differential requires more frequent maintenance than modern differentials, including regular oil changes and synchronizer adjustments.

2. Cost: Original 915 differentials and their associated components can be expensive to purchase, especially if they are in good condition or hard to find.

3. Compatibility: Not all Porsche 911 models are compatible with the 915 differential, limiting the number of cars that can use this desirable component.

In conclusion, the Porsche 911 915 differential offers unique features, durability, and historical significance that make it an attractive option for enthusiasts. However, its higher maintenance requirements and cost may be a deterrent for some. Ultimately, the decision to purchase a 915 differential depends on an individual's budget, driving preferences, and attachment to Porsche's rich history.

If you are considering purchasing a Porsche 911 915 differential, it is important to do your research and ensure that it is compatible with your specific model and that you are prepared for the associated maintenance requirements and costs. Alternatively, you may consider investing in a high-quality aftermarket differential that offers similar performance and reliability at a lower cost.

Details:

This can be shipped anywhere worldwide. Please see pictures. Here is a very nice used original genuine Porsche 915 transmission open differential assembly 911.332.212.0r as on 1972-74 911 model's. Weir spreeing Porsche.

No surprises here.

specifications differentialsdepo:

• for years: 1972-74–2018
• brand: Porsche
• mpn: 9113322120r
• type: Open Differential
• vintage part: Yes
• country of origin: Germany

shipping differentialsdepo:

• class: standard, expedited
• carrier: fedex, usps
• service: fedex ground / fedex home delivery, usps ground advantage, usps priority mail express
• transit: 5-10 days
• type: calculated

seller differentialsdepo:

• rating: 100.0%
• # reviews: 35118
• city: springfield, vermont

payments differentialsdepo:

• wallet: google-pay
• other
• credit card: visa

returns differentialsdepo:

• time: 30 days
• policy: returns accepted
• paid by: seller

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials > Assemblies

offer differentialsdepo:

• prices: $195.49–$250.00
• item condition: Used
• started: november 8, 2025
• in stock #: 5
• options: ship-to-home
• sold #: 16
• availability: in stock