TOPRAN 110 042 Main Brake Cylinder

Compatible with AUDI A8 D2 (4D2, 4D8) , AUDI A4 B5 (8D2) , AUDI A4 B5 Avant (8D5) Show more info
Ensures proper hydraulic pressure for your braking system. A crucial component for safe and reliable stopping power.
32.06 EUR
inc. VAT 21%
In stock 8
Delivery 1 day (13.05.2026)
PN 110 042
Make TOPRAN

The TOPRAN 110 042 Main Brake Cylinder is engineered to be a direct fit for your vehicle, ensuring seamless integration with your existing brake system. This component is vital for generating the hydraulic pressure needed to activate your brakes. When you press the brake pedal, the main cylinder forces brake fluid through the lines to the wheel cylinders or calipers, applying the necessary force to slow or stop the vehicle. A properly functioning main brake cylinder is essential for maintaining consistent and responsive braking performance. Any leaks or internal wear can lead to a spongy brake pedal, reduced braking effectiveness, or complete brake failure. Choosing a quality replacement like the TOPRAN 110 042 provides peace of mind, knowing that a critical safety component is performing as intended. Regular inspection and maintenance of your brake system, including the main cylinder, are recommended to ensure optimal safety.

  • Direct replacement for original equipment
  • Ensures proper hydraulic brake pressure
  • Critical for safe and effective braking
  • Built to meet or exceed OE specifications
  • Durable construction for long service life
  • Restores responsive brake pedal feel
  • Essential for vehicle safety system
Piston diameter [mm]
25,4
Additional article/Additional information
with nuts
Number of mounting holes
2
Additional article/Additional information
with gasket
  • AUDI
    • A8 D2 (4D2, 4D8)
      • 2.8 (128kW/174PS)
      • 2.8 quattro (128kW/174PS)
      • 3.7 (169kW/230PS)
      • 3.7 quattro (169kW/230PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 2.8 (120kW/163PS)
      • 2.8 quattro (120kW/163PS)
      • 3.7 quattro (191kW/260PS)
      • 3.7 (191kW/260PS)
      • 2.5 TDI quattro (132kW/180PS)
      • 2.5 TDI (132kW/180PS)
    • A4 B5 (8D2)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.8 quattro (92kW/125PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.6 quattro (110kW/150PS)
      • 1.9 TDI (81kW/110PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 1.9 TDI quattro (81kW/110PS)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 1.9 TDI (85kW/116PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • 1.9 TDI quattro (85kW/116PS)
      • 1.9 TDI (55kW/75PS)
      • 1.8 (85kW/115PS)
      • 1.6 (75kW/102PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.8 (140kW/190PS)
    • A4 B5 Avant (8D5)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.6 (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 quattro (92kW/125PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 1.9 TDI quattro (81kW/110PS)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 1.9 TDI (85kW/115PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • 1.9 TDI quattro (85kW/115PS)
      • 1.8 (85kW/115PS)
      • 1.6 (75kW/102PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
    • A6 C5 (4B2, 4B4)
      • 1.8 T (110kW/150PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • 1.9 TDI (81kW/110PS)
      • 2.5 TDI (110kW/150PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 1.8 (92kW/125PS)
      • 2.7 T (169kW/230PS)
      • 2.7 T quattro (169kW/230PS)
      • 1.8 T quattro (132kW/180PS)
      • 2.4 (100kW/136PS)
      • 1.8 T (132kW/180PS)
      • 2.5 TDI (132kW/180PS)
      • 2.5 TDI quattro (132kW/180PS)
      • 1.9 TDI (85kW/115PS)
      • 2.8 (132kW/180PS)
      • 2.8 (140kW/190PS)
      • 2.4 (115kW/156PS)
      • 2.0 (96kW/130PS)
      • 3.0 (162kW/220PS)
      • 3.0 quattro (162kW/220PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 2.5 TDI (114kW/155PS)
      • 2.7 T quattro (184kW/250PS)
      • 1.9 TDI (96kW/130PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.5 TDI (120kW/163PS)
      • 2.4 quattro (115kW/156PS)
      • 2.8 quattro (140kW/190PS)
      • 3.0 (160kW/218PS)
    • A6 C5 Avant (4B5, 4B6)
      • 1.9 TDI (81kW/110PS)
      • 1.8 (92kW/125PS)
      • 2.8 quattro (142kW/193PS)
      • 1.8 T (110kW/150PS)
      • 2.4 (121kW/165PS)
      • 2.8 (142kW/193PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.4 quattro (121kW/165PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 2.7 T (169kW/230PS)
      • 2.7 T quattro (169kW/230PS)
      • 2.4 (100kW/136PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • 2.5 TDI (132kW/180PS)
      • 2.5 TDI quattro (132kW/180PS)
      • 1.9 TDI (85kW/115PS)
      • 2.8 (132kW/180PS)
      • 2.8 (140kW/190PS)
      • 2.4 (115kW/156PS)
      • 2.0 (96kW/130PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 2.5 TDI (114kW/155PS)
      • 3.0 (162kW/220PS)
      • 3.0 quattro (162kW/220PS)
      • 1.9 TDI (96kW/130PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.5 TDI (120kW/163PS)
      • 2.4 quattro (115kW/156PS)
      • 3.0 (160kW/218PS)
  • VW
    • PASSAT B5 (3B2)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.3 VR5 (110kW/150PS)
      • 2.8 V6 Syncro/4motion (142kW/193PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 2.8 V6 (142kW/193PS)
      • 1.8 Syncro/4motion (92kW/125PS)
      • 1.9 TDI Syncro/4motion (81kW/110PS)
      • 2.3 VR5 Syncro/4motion (110kW/150PS)
      • 1.9 TDI (85kW/115PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI Syncro/4motion (110kW/150PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 2.0 (88kW/120PS)
      • 2.0 4motion (88kW/120PS)
      • 1.9 TDI (74kW/101PS)
      • 1.8 (85kW/115PS)
    • PASSAT B5 Variant (3B5)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.3 VR5 (110kW/150PS)
      • 2.8 V6 (142kW/193PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 2.8 V6 Syncro/4motion (142kW/193PS)
      • 1.8 Syncro/4motion (92kW/125PS)
      • 1.9 TDI Syncro/4motion (81kW/110PS)
      • 2.3 VR5 Syncro/4motion (110kW/150PS)
      • 1.9 TDI (85kW/115PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI Syncro/4motion (110kW/150PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 1.9 TDI (74kW/101PS)
      • 2.0 (88kW/120PS)
      • 2.0 4motion (88kW/120PS)
      • 1.8 (85kW/115PS)
    • PASSAT B5.5 (3B3)
      • 1.6 (75kW/102PS)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI (96kW/130PS)
      • 2.3 V5 (125kW/170PS)
      • 2.0 (85kW/115PS)
      • 2.5 TDI (110kW/150PS)
      • 1.8 T 20V (110kW/150PS)
      • 2.8 4motion (142kW/193PS)
      • 2.5 TDI 4motion (110kW/150PS)
      • 1.9 TDI 4motion (96kW/130PS)
      • 2.0 4motion (85kW/115PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 1.8 T (125kW/170PS)
      • 2.8 (140kW/190PS)
    • PASSAT B5.5 Variant (3B6)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI (96kW/130PS)
      • 1.6 (75kW/102PS)
      • 2.0 (85kW/115PS)
      • 2.3 VR5 (125kW/170PS)
      • 1.8 T 20V (110kW/150PS)
      • 2.8 4motion (142kW/193PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI 4motion (110kW/150PS)
      • 1.9 TDI 4motion (96kW/130PS)
      • 2.0 4motion (85kW/115PS)
      • 2.3 VR5 4motion (125kW/170PS)
      • 2.8 4motion (140kW/190PS)
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