HomeBrake > Brake HydraulicsCentric 130.33603 Brake Master Cylinder
Part #: 130.33603

Centric 130.33603 Brake Master Cylinder

Centric Premium Brake Master Cylinders
14 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Centric Premium Brake Master Cylinders
Fitment: Audi, 80, 80 Quattro, 4000 Quattro, and Coupe
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Overview of Centric Premium Brake Master Cylinder 130.33603

The Centric Premium Brake Master Cylinder 130.33603 is engineered for reliable brake hydraulic performance in select Audi models. Designed to meet OEM specifications, this brake master cylinder ensures consistent brake pressure and control for vehicles like the Audi 80, 80 Quattro, 4000 Quattro, and Coupe.

  • Compatible with Audi 80, 80 Quattro, 4000 Quattro, and Coupe models
  • Part number 130.33603 for precise identification
  • Cast iron master cylinder body for durability
  • Plastic removable reservoir style for ease of maintenance
  • Two mounting holes for secure installation
  • Four ports with M10-1.00 bubble flare outlet threads
  • Straight bore type with 22 mm (0.866 inch) diameter

Centric Premium Brake Master Cylinders Product Line

The Centric Premium Brake Master Cylinders line focuses on delivering high-quality brake hydraulics components that meet or exceed OEM standards. This product line emphasizes durability and precise fitment, making it suitable for professional repairs and maintenance. The 130.33603 model exemplifies this approach by combining a cast iron body with a removable plastic reservoir, designed specifically for certain Audi vehicles.

Detailed Product Description

This Centric Premium Brake Master Cylinder features a cast iron construction that provides strength and resistance to wear under demanding braking conditions. The plastic reservoir is removable, allowing for easier servicing and fluid replacement. It includes two mounting holes to ensure a secure fit on compatible Audi models. The master cylinder has a straight bore design with a 22 mm (0.866 inch) diameter, which supports consistent hydraulic pressure. Both primary and secondary outlet ports use M10-1.00 bubble flare threads, with a total of four ports to accommodate brake line connections. Note that this part does not include mounting hardware, brake booster, reservoir, push rod, master cylinder cap, bleeder hoses, or mounting bracket.

Common Applications and Issues Addressed

  • Restores proper brake fluid pressure in Audi 80 and 4000 Quattro models
  • Replaces worn or leaking master cylinders causing brake pedal sponginess
  • Solves brake fluid leaks from damaged or corroded master cylinder bodies
  • Addresses inconsistent braking performance due to bore wear or damage
  • Supports brake system rebuilds requiring OEM-spec master cylinder components

Installation Notes and Tips

  • Verify compatibility with your specific Audi model and year before installation
  • Ensure brake system is properly bled after installation to remove air
  • Use appropriate brake fluid as specified by the vehicle manufacturer
  • Check mounting hole alignment and secure with correct hardware (not included)
  • Inspect brake lines and fittings for wear or damage during installation

Quality Assurance and Warranty

Centric Premium Brake Master Cylinders are manufactured to meet strict quality standards for fit, form, and function. The 130.33603 part undergoes rigorous testing to ensure reliable brake system performance. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.

BrandCentric
Part Number130.33603
PositionCentric Premium Brake Master Cylinders
Bleeder Hoses IncludedNo
Bore Size0.866
Bore Size22.000
Bore TypeStraight
Boss, Nipple or Port: Front, Left: #A [cntrc]M10-1.00 bbl
Boss, Nipple or Port: Front, Right: #A [cntrc]M10-1.00 bbl
Boss, Nipple or Port: Rear, Right: #A [cntrc]M10-1.00 bbl
Boss, Nipple or Port: Rear: #A [cntrc]M10-1.00 bbl
Brake Booster IncludedNo
Cylinder Bore Dia in0.8660
Cylinder Bore Dia mm22.00
Master Cylinder Bore Diameter0.866
Master Cylinder Bore Diameter22.000
Master Cylinder Cap IncludedNo
Master Cylinder MaterialCast Iron
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Port Quantity4
Primary Bore Diameter0.866
Primary Bore Diameter22.000
Primary Outlet Flare TypeBubble
Primary Outlet Flare Type [cntrc]Bubble
Primary Outlet Thread Diameter10.000
Primary Outlet Thread Pitch1.00
Primary Outlet Thread SizeM10-1.00
Publication Bore [cntrc]22mm
Push Rod IncludedNo
Push Rod Lgth / Depth1.87
Push Rod: Length / Depth [cntrc] in1.87
Reservoir IncludedNo
Reservoir MaterialPlastic
Reservoir StyleRemovable
Secondary Outlet Flare TypeBubble
Secondary Outlet Flare Type [cntrc]Bubble
Secondary Outlet Thread Diameter10.000
Secondary Outlet Thread Pitch1.00
Secondary Outlet Thread SizeM10-1.00
Weight [cntrc] kgs2.27
Weight [cntrc] lbs5

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
1991Audi80N/ACentric Premium Brake Master Cylinders
1990Audi80N/ACentric Premium Brake Master Cylinders
1990Audi80 QuattroN/ACentric Premium Brake Master Cylinders
1989Audi80N/ACentric Premium Brake Master Cylinders
1989Audi80 QuattroN/ACentric Premium Brake Master Cylinders
1988Audi80N/ACentric Premium Brake Master Cylinders
1988Audi80 QuattroN/ACentric Premium Brake Master Cylinders
1987Audi4000 QuattroN/ACentric Premium Brake Master Cylinders
1987AudiCoupeN/AFits front drum brake models from January 1987 onwards.; Centric Premium Brake Master Cylinders
1986Audi4000 QuattroN/ACentric Premium Brake Master Cylinders
1986AudiCoupeN/AFitment: Up to Dec 1986; Centric Premium Brake Master Cylinders
1985Audi4000 QuattroN/ACentric Premium Brake Master Cylinders
1985AudiCoupeN/ACentric Premium Brake Master Cylinders
1984AudiCoupeN/AFront caliper fits vehicles manufactured after August 1984.; Centric Premium Brake Master Cylinders

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.