Victor Reinz Engine Oil Dipstick Tube O-Ring for Porsche Boxster/996/997 (1997–2020)

This Victor Reinz O-Ring is a direct-fit replacement for Porsche Boxster/996/997 applications from 1997–2020 listed in the fitment table below. This sealing ring helps close a specific service joint where the original rubber can harden, flatten, or leak after years of heat cycling and compression.

Victor Reinz has been a trusted name in engine sealing technology for decades, supplying gaskets, seals, and sealing systems used by European vehicle manufacturers including Porsche. As part of the Dana Incorporated group, Victor Reinz products are developed to meet strict OEM specifications for material performance, sealing integrity, and long-term durability.

Technical Details

• Manufacturer part number: 40-76423-00
• Brand: Victor Reinz
• Type: O-Ring
• Application range: Porsche Boxster/996/997 (1997–2020)
• Function: Restores the sealing surface at the specified joint

Fitment & Compatibility

Check the fitment table below against your year, model, submodel, and notes before installation. If you want help matching this part to your Porsche, send us your VIN. PMB Performance has spent over 20 years working through the details that matter on Porsche parts.