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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Fastenings & Fixings

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N01023930
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porsche
Hexagon Bolt M8X18 


90037803001/1
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M6 x 20 hex. head bolt. 

Sold individually, this bolt has several applications across the Porsche model range.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90037803001
90037803001
90037803009

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Special Order item
90011905201
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Pan-head screw - M8 x 16 - for the window frame. 

Sold individually. Quantity required per vehicle: 4 for models up to 1972, 8 for models from 1973 to 1986, and 2 for models from 1987 to 1988.

Fits:
Coupe Models
Porsche 912 1.6L 1966-69 
Porsche 911 1965-87 
Porsche 911 1988* 

*For the 1988 model year, there is a VIN number split. This M8 x 16 bolt fits vehicles produced up to the following VINs...

Carrera Coupe:
 Up to VIN 91-JS102788 
Japanese Carrera Coupe: Up to VIN 91-JS109907 
Clubsport: Up to VIN 91-JS105128 
Turbo Coupe: Up to VIN 93-JS000554 

If your VIN number is later than the ones listed, it is likely you will need an M8 x 12 bolt instead. To be sure, we recommend measuring your existing bolt. 

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90011905201
90018600202
N0147841
90011905202
90011905201

The product you are viewing cross references to these numbers
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About Fastenings & Fixings

Secure every panel, trim, and component with confidence using genuine Porsche and reproduction car body fastenings & fixings from Design911. These essential components ensure your Porsche’s bodywork is precisely aligned, structurally sound, and factory-correct, whether you’re carrying out a restoration, repair, or performance upgrade.

Our range includes OEM-quality bolts, clips, screws, washers, rivets, and retaining hardware, all manufactured to Porsche’s exact engineering standards. Each fastening guarantees durable performance, corrosion resistance, and perfect fitment for both classic and modern Porsche models.

From small trim clips to full body fixing kits, Design911 supplies everything needed to reassemble panels, secure mouldings, and restore factory alignment. Whether you’re restoring a vintage 911, replacing fittings on a Cayman or Taycan, or upgrading body hardware for track use, our fasteners deliver the precision and reliability expected from Porsche engineering.

Genuine Porsche Body Fixings
Factory-original fasteners, bolts, and clips made to Porsche’s specifications for perfect fit and reliable long-term performance.

Reproduction Fastenings & Hardware Kits
High-quality reproduction fixings that replicate OEM design and function - ideal for restorations and budget-friendly repairs.

Bolts, Screws & Nuts
OEM-grade bolts and screws designed for body panels, bumpers, doors, and trim attachment. Available in various lengths, coatings, and thread types.

Clips, Retainers & Grommets
Plastic and metal clips that secure trims, liners, and mouldings without damaging bodywork or paint.

Washers, Spacers & Rivets
Precision washers and spacers ensure accurate panel alignment and vibration-free assembly. Rivets offer strong, permanent body panel fixing solutions.

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