Porsche 911 Early Main Shaft

Porsche 911 Early Main Shaft

Porsche 911 Early Main Shaft

$1,250.00

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Porsche 911 Early Main Shaft – New OEM (P/N: 9043020100)

We have an original Porsche 911 Early Main Shaft for sale, part number 9043020100. This is a new-old-stock (NOS) component — never installed, and preserved in excellent condition.

Applicable to Porsche 911 models from 1964–1971 and Porsche 914 models up to 1976, this OEM main shaft is highly sought after for restorations, rebuilds, or racing applications. It also allows for alternate second gear ratios, making it ideal for custom gearbox builds.

Perfect for collectors, restorers, and Porsche motorsport enthusiasts who demand authenticity and performance from genuine factory parts.

Features:

Original Porsche factory part (not aftermarket)
Part number: 9043020100
Brand new and never installed
Compatible with Porsche 901, 911, and 914 gearboxes
Allows for alternate second gear ratio configurations
Ideal for concours-level restorations or vintage racing setups
Rare and no longer available from factory channels
Precision engineered for durability and long service life
Authentic piece for early Porsche transmission builds

Porsche 911 Early Main Shaft Specifications:

Part Type: Main Shaft
Manufacturer: Porsche (OEM)
Part Number: 9043020100
Condition: Brand new / never installed
Fitment:
- Porsche 911 (1964–1971)
- Porsche 901 transmissions
- Porsche 914 (up to 1976)
Material: Hardened steel
Feature: Supports alternate second gear ratio
Application: Transmission rebuild, restoration, motorsport

FAQs:

Q: Is this a genuine Porsche part?
A: Yes, this is an original Porsche factory part with part number 9043020100, not a reproduction.

Q: What models does this fit?
A: It fits Porsche 911 models from 1964–1971, early 901 gearboxes, and Porsche 914 models up to 1976.

Q: Has the main shaft ever been used or installed?
A: No, this main shaft is brand new and has never been installed.

Q: Can this main shaft be used for racing applications?
A: Yes, it’s well-suited for vintage racing or custom gear ratio builds due to its alternate second gear ratio compatibility.

Q: Is this part still available from Porsche?
A: No, this part is discontinued and considered very rare, especially in new-old-stock condition.

Q: Will this work for my Porsche 901 transmission project?
A: Yes, this shaft is a direct OEM fit for early 901 transmissions and allows additional flexibility for gear ratio tuning.

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