M10 copper locknut for fastening Turbocharger bracket and Turbo exhaust pipes, 911 Turbo (75-94)

Our M10 sized copper locknut has 2 uses in the exhaust system of the Porsche 911 Turbo (Type 930) and the Porsche 964 Turbo:

- as the locknut to fasten the Turbocharger to the wastegate crossover pipe, this copper locknut is used in the following vehicles (quantities required for each vehicle in this application are given between parentheses):

Porsche 911 Turbo 3.0 L Type 930 (1975-1977) (4)

Porsche 911 Turbo Carrera (USA-CAN) 3.0 L (1975-1977) (4)

Porsche 911 Turbo 3.3 L Type 930 (1978-1983) (4)

Porsche 911 Turbo 3.3 L Type 930 (1984-1989) (4)

Porsche 964 Turbo 3.3 L (1991-1992) (2)*                  

         Porsche 964 Turbo 3.6 L Type 965 (1993-1994) (2)*

Note :

* the other 2 locknuts to fasten the Turbocharger to wastegate crossover pipe to the Turbo are replaced for these vehicles by the exhaust pipe supporting plate reference N911.010488D.

- as the locknut fastening the Turbocharger to the exhaust muffler via the Turbocharger support bracket, this nut is used in the following vehicles:

Porsche 911 Turbo 3.0 L Type 930 (1975-1977)

Porsche 911 Turbo Carrera (USA-CAN) 3.0 L (1975-1977)

Porsche 911 Turbo 3.3 L Type 930 (1978-1983)

Porsche 911 Turbo 3.3 L Type 930 (1984-1989)

Porsche 964 Turbo 3.3 L (1991-1992)      

         Porsche 964 Turbo 3.6 L Type 965 (1993-1994)

Quantity required per vehicle in this application: 4

It is recommended to use copper locknuts in applications that are exposed to broad temperature variations to avoid galvanic corrosion of steel-based components and minimize the risk of seizure.

Note: this part is sold separately but can also be included in one or more of our exhaust hardware kits. 

During the installation of the exhaust pipes on your 911 Turbo, may we suggest the following components:

911.010486B: Wastegate gasket, 911 Turbo (75-94) + 924 Turbo / GT (79-84)

911.010488B: Wastegate pipe to muffler crush gasket, 911 Turbo (75-82)

911.010489A: Wastegate pipe to muffler crush washer, 911 Turbo (75-82)

911.010484: Exhaust muffler gasket, 911 Turbo (75-89) + 964 Turbo (91-94)

911.010486A: Turbocharger exhaust gasket, 911 Turbo (75-89) + 964 Turbo (91-94)