[urq] UrQ brake upgrade

AUDIJIM at aol.com AUDIJIM at aol.com
Thu Jul 7 18:08:50 EDT 2005


Here are the parts and part numbers for the complete UrQuattro brake upgrade 
using all Audi parts with the exception of the custom stainless brake lines I 
had made.

Front calipers, dual piston from S4/S6/V8/5000/200    
447 615 123 (left)
447 615 124 (right)

Front caliper carrier, from S4/S6/V8/5000/200
447 615 125 (left/right same)

Front vented brake rotors, from 5000 QT 1986-88/200 1989-91
447 615 301 B (276 X 25mm)

Rear calipers, from S4/S6/V8/200 (Avant and 3B only)
447 615 423 (right)
447 615 424 (left)

Rear vented brake rotors, from S4/S6/V8
857 615 601 (269 X 20mm)

Rear emergency brake cables, from 4000 Q 1985-1987
857 609 721 D (left)
857 609 721 E (right)

Brake master cylinder, from 5000 QT Avant
447 611 021 (25.40mm cylinder bore dia.)

Brake fluid reservoir, from 5000 QT
443 611 301 B 

Brake fluid reservoir cap
443 611 349 A


Jim Furdyn
1983 UrQuattro #170 
1987 4000cs Q
1987 Euro 200/5000cs TQ 282,000 miles
1996 A6 Quattro Avant 
1987 Mercedes Benz Truck model 1219


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