

SADEV Modified Hex Head Bolt M10 x 20 – Clio 2 RS Group N F0044009
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M10 x 20 Hex Head Bolt – SADEV Clio 2 RS Group N
The SADEV hex head bolt M10 x 20, reference F0044009, is a specially machined fastener listed for the Renault Clio 2 RS Group N equipped with a SADEV ST66 dog-engagement gearbox. It is identified as a crown wheel fixing bolt for the differential assembly.
Manufacturer reference: F0044009
Brand: SADEV
Type: Modified hex head bolt
Thread: M10 x 1.25
Length: 20 mm
Application: Renault Clio 2 RS Group N – SADEV ST66 gearbox
Check the gearbox specification and original part reference before ordering to confirm compatibility.
SADEV M10 x 20 Modified Hex Head Bolt – F0044009
The SADEV modified hex head bolt, reference F0044009, is a specialised fastener listed for the Renault Clio 2 RS Group N fitted with a SADEV ST66 dog-engagement gearbox. According to the product listing, it is used to secure the crown wheel to the differential assembly.
Product specifications
- Part number: F0044009
- Manufacturer: SADEV
- Product type: Modified hex head bolt
- Thread diameter: M10
- Thread pitch: 1.25 mm
- Nominal length: 20 mm
- Application: Crown wheel fixing in the differential assembly
- Listed vehicle application: Renault Clio 2 RS Group N with SADEV ST66 dog-engagement gearbox
Compatibility
This part is listed for a specific competition transmission configuration. It should not be assumed to fit every Renault Clio 2 RS or every SADEV gearbox. Confirm the gearbox type and manufacturer's part reference before purchase.
Installation advice
Use the correct fastener specified for the gearbox assembly. Thread dimensions alone do not establish suitability for a drivetrain application. Installation and tightening must follow the gearbox manufacturer's technical instructions.
Why choose Optimiz Access?
Established in 2010, Optimiz Access supplies automotive parts and equipment for enthusiasts and professionals, including components for performance and premium vehicles.
Maintenance and installation services are available in the Hauts-de-France region of France, around Cambrai, Valenciennes, Arras, Seclin, Lille, Douai and Saint-Quentin. International shipping is also available.
Frequently asked questions
What is reference F0044009 used for?
The product listing identifies it as a crown wheel fixing bolt for the differential assembly of a Renault Clio 2 RS Group N fitted with a SADEV ST66 gearbox.
What does M10 x 20, pitch 1.25 mean?
M10 indicates a nominal thread diameter of 10 mm, 20 mm is the nominal bolt length, and 1.25 mm is the thread pitch.
Is this bolt suitable for every Clio 2 RS?
No. The listed application concerns a specific SADEV ST66 competition gearbox configuration. Confirm compatibility before ordering.














