Porsche Locking Nut German 99903400500

Porsche Locking Nut German 99903400500

This brand is 13.00 mm wrench size.

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Manufacturer: German
SKU: 99903400500-127
Price
MSRP: $3.53
-81%
$0.66
Availability: In stock
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Porsche Locking Nut German 99903400500

Porsche Locking Nut German 99903400500

MSRP: $3.53
-81%
$0.66

The Porsche Locking Nut German 99903400500, manufactured by German, is a precise aftermarket solution designed for classic Porsche engine maintenance. Engineered for use with a 13.00 mm wrench size, this locking nut is intended for the valve adjusting screw on select Porsche 911 (1965–1994), 914 (1970–1972), and 930 (1978–1979) models. Referencing OE part number 999 034 005 00, it provides secure fastening during critical valve adjustment procedures. Not an OEM part.

Key Features:

  • Manufacturer: German
  • Part Number: 99903400500
  • 13.00 mm wrench size
  • Application: Locking Nut for Valve Adjusting Screw on specified Porsche vehicles (see catalog for details)
  • Aftermarket replacement; not OEM

Ideal for Porsche specialists requiring reliable, catalog-verified fitment for vintage and classic models.

Specifications
Product Type
Aftermarket
OE Part Number
999 034 005 00 / 99903400500
Customer Info
This brand is 13.00 mm wrench size.
OEM
No
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These products share the same OE reference. Select your vehicle to confirm exact fitment.

OE reference 999 034 005 00 · 99903400500