HomeCentric 130.63031 Brake Master Cylinder
Part #: 130.63031

Centric 130.63031 Brake Master Cylinder

Centric Premium Brake Master Cylinders
19 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: Jeep and American Motors, Cherokee, Comanche, Wagoneer, Wrangler, Eagle, Concord, and Spirit
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Overview of Centric Premium Brake Master Cylinder 130.63031

The Centric Premium Brake Master Cylinder 130.63031 is engineered for reliable brake hydraulics performance in Jeep vehicles. Designed specifically for Jeep Cherokee, Comanche, Wagoneer, and Wrangler models, this master cylinder ensures consistent braking response and durability.

  • Constructed from durable cast iron for both reservoir and master cylinder
  • Includes integral single reservoir and master cylinder cap
  • Features a straight bore design with a 0.938 inch (23.813 mm) bore diameter
  • Equipped with two mounting holes for secure installation
  • Includes push rod and reservoir but excludes mounting hardware and brake booster
  • Primary and secondary outlet thread sizes: 7/16"-24 and 1/2"-20 inverted flare
  • Compatible with Jeep Cherokee, Comanche, Wagoneer, and Wrangler

Centric Premium Brake Master Cylinders Product Line

The Centric Premium Brake Master Cylinders line focuses on delivering high-quality brake hydraulics components with precise fitment and reliable materials. This product line emphasizes cast iron construction and integral reservoir designs to meet OEM specifications, providing dependable brake system performance for various Jeep models, including the 130.63031 master cylinder.

Detailed Product Description

This Centric Premium Brake Master Cylinder 130.63031 features a cast iron master cylinder and reservoir, ensuring strength and resistance to wear. The single integral reservoir design simplifies fluid management and reduces potential leak points. The straight bore with a diameter of 0.938 inches (23.813 mm) supports consistent hydraulic pressure for effective braking. The master cylinder includes a cap and push rod, but mounting hardware and brake booster are not included, allowing compatibility with existing brake system components. The two mounting holes provide secure attachment, while the primary and secondary outlet ports use inverted flare threads sized 7/16"-24 and 1/2"-20 respectively, matching OEM specifications for Jeep Cherokee, Comanche, Wagoneer, and Wrangler models.

Common Applications and Issues Addressed

  • Replacement for worn or leaking brake master cylinders in Jeep Cherokee, Comanche, Wagoneer, and Wrangler
  • Restores proper hydraulic pressure for improved brake pedal feel and response
  • Eliminates brake fluid leaks caused by damaged reservoirs or seals
  • Addresses inconsistent braking due to bore wear or internal component failure
  • Supports brake system maintenance and rebuilds requiring OEM-spec master cylinders

Installation Notes and Tips

  • Verify compatibility with your specific Jeep model and year before installation
  • Ensure brake system is properly bled after installation to remove air from hydraulic lines
  • Use appropriate brake fluid as specified by the vehicle manufacturer
  • Inspect mounting points and hardware for wear or damage prior to installation
  • Check thread sizes and flare types on brake lines to confirm fit with master cylinder outlets

Quality Assurance and Warranty

Centric Premium Brake Master Cylinders are manufactured to meet or exceed OEM standards, using cast iron materials for durability and performance. The 130.63031 part undergoes quality control inspections to ensure proper fit and function. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region or distributor.

BrandCentric
Part Number130.63031
PositionCentric Premium Brake Master Cylinders
Bleeder Hoses IncludedNo
Bore Size0.938
Bore Size23.813
Bore TypeStraight
Boss, Nipple or Port: Front, Right: #A [cntrc]1/2"-20 inv
Boss, Nipple or Port: Rear, Right: #A [cntrc]7/16"-24 inv
Brake Booster IncludedNo
Cylinder Bore Dia in0.9375
Cylinder Bore Dia mm23.81
Master Cylinder Bore Diameter0.938
Master Cylinder Bore Diameter23.813
Master Cylinder Cap IncludedYes
Master Cylinder MaterialCast Iron
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Port Quantity2
Primary Bore Diameter0.938
Primary Bore Diameter23.813
Primary Outlet Flare TypeInverted
Primary Outlet Flare Type [cntrc]Inverted
Primary Outlet Thread Diameter0.4375
Primary Outlet Thread Size7/16"-24
Primary Outlet Threads Per Inch24
Publication Bore [cntrc]15/16"
Push Rod IncludedYes
Push Rod: Length / Depth [cntrc] in0
Reservoir IncludedYes
Reservoir MaterialCast Iron
Reservoir StyleIntegral
Reservoir TypeSingle
Secondary Outlet Flare TypeInverted
Secondary Outlet Flare Type [cntrc]Inverted
Secondary Outlet Thread Diameter0.500
Secondary Outlet Thread Size1/2"-20
Secondary Outlet Threads Per Inch20
Weight [cntrc] kgs3.77
Weight [cntrc] lbs8.3

This part fits 19 vehicles. Search below:

YearMakeModelPositionNotes
1989JeepCherokeeN/ACentric Premium Brake Master Cylinders
1989JeepComancheN/ACentric Premium Brake Master Cylinders
1989JeepWagoneerN/ACentric Premium Brake Master Cylinders
1989JeepWranglerN/ACentric Premium Brake Master Cylinders
1988JeepCherokeeN/ACentric Premium Brake Master Cylinders
1988JeepComancheN/ACentric Premium Brake Master Cylinders
1988JeepWagoneerN/ACentric Premium Brake Master Cylinders
1988JeepWranglerN/ACentric Premium Brake Master Cylinders
1987JeepCherokeeN/ACentric Premium Brake Master Cylinders
1987JeepComancheN/ACentric Premium Brake Master Cylinders
1987JeepWagoneerN/ACentric Premium Brake Master Cylinders
1987JeepWranglerN/ACentric Premium Brake Master Cylinders
1986JeepCherokeeN/ACentric Premium Brake Master Cylinders
1986JeepComancheN/ACentric Premium Brake Master Cylinders
1986JeepWagoneerN/ACentric Premium Brake Master Cylinders
1985JeepCherokeeN/ACentric Premium Brake Master Cylinders
1985JeepWagoneerN/ACentric Premium Brake Master Cylinders
1984JeepCherokeeN/ACentric Premium Brake Master Cylinders
1984JeepWagoneerN/ACentric 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.