Renault Exhaust Manifold or Downpipe-to-Catalytic-Converter Nut

Exhaust Manifold or Downpipe-to-Catalytic-Converter Fastening Nut

The Renault fastening nut, references 7703034303 and 7703034217, is an automotive fastener used to secure components of the exhaust system. Depending on the vehicle configuration, it is used at the connection between the exhaust manifold or downpipe and the catalytic converter.

Product specifications

• Product: Exhaust system fastening nut
• References: 7703034303 and 7703034217
• Brand: Renault
• Application: Exhaust manifold or downpipe-to-catalytic-converter fastening
• Thread specification: M8 x 1.25, as listed in parts catalogues

Vehicle compatibility

This reference is listed for selected Renault applications, including certain Renault Sport models:

• Renault Clio 2 RS
• Renault Clio 3 RS
• Renault Mégane 2 RS
• Renault Mégane 3 RS
• Renault Twingo 2 RS

Exact compatibility depends on the vehicle model, engine and exhaust system configuration. Check the manufacturer's part number before ordering.

Role in the exhaust system

The correct fastener helps keep exhaust components securely connected. When replacing the nut, inspect the connected components and follow the vehicle manufacturer's installation and tightening specifications.

Frequently asked questions

What is this nut used for?

It secures compatible exhaust system components, including connections between the exhaust manifold or downpipe and the catalytic converter.

Are references 7703034303 and 7703034217 equivalent?

These references are listed as equivalent in some parts catalogues. Verify the correct reference for your exact vehicle before purchasing.