Three red dots and one blue dot is OEM part number 6Q0 411 105 AD. These were fitted to VW Polo 9N 1.2 petrol 54HP and 64HP engines and some Seat and Skoda cars.
6Q0 411 105 AD might not be the correct spring for the 1.4 TDI without OSS, as the specification is 11.25mm thickness and 357mm length. The specification of the standard front springs on the 1.4 TDI without OSS is 11.5mm thickness and 338mm length.
Maybe these aren't the original springs. The standard front springs on the Audi A2 1.4 TDI without OSS have OEM part number 8Z0 411 105 AL.
Suplex 8Z0 411 105 AL
Find many great new & used options and get the best deals for Suplex Coil Spring, Front Axle, OE Quality, 03170 at the best online prices at eBay! Free delivery for many products.
www.ebay.co.uk
Also consider 6Q0 411 105 AC which are similar to 6Q0 411 105 AD except 15mm shorter, so the fitted ride height of the car with 6Q0 411 105 AC springs should be about the same as 8Z0 411 105 AL springs. The 6Q0 411 105 AC springs should give a slightly softer ride than the standard 8Z0 411 105 AL springs, as the coil spring thickness is 0.25mm less.
Suplex 6Q0 411 105 AC
Find many great new & used options and get the best deals for SUPLEX 39205 Coil Spring at the best online prices at eBay! Free delivery for many products!
www.ebay.co.uk
All three springs mentioned in this post have about the same number of coil turns, ie. about 5.5 coil turns.
See gknautomotive.com for their online catalogue. gknautomotive.com have a photo of each spring (so you can count the number of coil turns) and full specifications.