Technical Master cyl

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Technical Master cyl

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Dec 30, 2010
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Dartmoor, Devon
Bought wrong one on eBay Grrr. What I need for 89 SX70 1301 is...

The new one is great heavy fat thing marked MC024, advertised as 'All Uno 86 to 89 MC024 (replaces Bendix 132216B)' - what wd that be for?

The existing one much slimmer has exit pipes vertically on top and horizontally to R side, looking from front of car.
http://www.ebay.co.uk/itm/FIAT-UNO-45-NEW-UNIPART-BRAKE-MASTER-CYLINDER-/250966043194?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item3a6ebdea3a
looks similar (can't see if there's a second outlet tapping) but is Unipart GMC417/LM70030
FIAT UNO 45 900cc 1983 - TO CHASSIS 0723818

FIAT UNO 45 1.0 1985 - TO CHASSIS 0723818

FIAT UNO 45 1.0i 1985 - TO CHASSIS 0723818


Any good for mine?
 

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The fat one is used with some Puntos. You will find it fits in your servo just fine. , so not Audi. I would buy any Uno master cylinder with 20.x (mm) bore you can that you think you could bend the pipes to fit. They are all the same design internally. FIAT master cylinder bore sizes are quite static across the ranges in the last 30+ years. There is small (18.x), medium (20.x) and large (22.x) essentially. Yours is medium. The variance in the decimal is mostly down to incorrect measurements by the 3rd party manufacturers.

Do you think your current cylinder is this one?
http://www.ricambio.co.uk/69-fiat/57-uno/286-brake-parts-and-components/121-brake-master-cylinder
 
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