do not press the back button…
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Rear Wheel Hub Castle Nut
The OE Match Rear Wheel Hub Castle Nut is a
replacement fastening component designed to secure the rear wheel hub assembly
on applicable Porsche 356 models.
Fits:
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram ref no 41
Its castellated design allows the nut to be secured with a locking pin, helping prevent loosening during vehicle operation.
What Does It Do?
The castle nut secures the rear wheel hub to the axle, maintaining the correct fastening of the hub assembly.
Its slots accommodate a locking pin, providing a mechanical safeguard against the nut loosening.
Why Does It Fail?
Common causes include:
- Damaged or stripped threads
- Corrosion and age-related deterioration
- Incorrect tightening
- Damage during removal or installation
- Repeated servicing and wear
When Should It Be Replaced?
Replace if the nut has damaged threads, excessive corrosion, deformation or worn locking slots.
Inspection is recommended whenever the rear hub or axle assembly is dismantled.
Checks & Installation
Inspect the axle threads, hub seating surfaces and associated locking components before installation.
Tighten to the specified Porsche workshop torque and secure using the correct locking pin. Never reuse a damaged locking pin or nut.
Key
Features
- Castellated design for positive locking
- Helps maintain secure rear hub fastening
- Replaces damaged or corroded original hardware
- Suitable for classic Porsche servicing and restoration
Porsche 356 Rear Wheel Hub & Axle Components
The rear wheel hub assembly is an essential part of the Porsche 356 drivetrain, connecting the rear wheels to the axle assembly.
Correctly maintained hub fasteners help ensure secure wheel mounting and dependable operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64433227100
The product you are viewing cross references to these numbers