HomeCentric 130.62042 Brake Master Cylinder
Part #: 130.62042

Centric 130.62042 Brake Master Cylinder

Centric Premium Brake Master Cylinders
30 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: Chevrolet and GMC, G10, G20, P20, G1500, P2500, and G2500
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Overview of Centric Premium Brake Master Cylinder 130.62042

The Centric Premium Brake Master Cylinder 130.62042 is engineered for reliable brake hydraulics performance in Chevrolet and GMC vehicles. Designed specifically for models like the G10, G20, P20, and P2500, this master cylinder ensures consistent braking response and durability.

  • Constructed from durable cast iron for both the master cylinder and reservoir
  • Includes an integral single reservoir with a master cylinder cap
  • Features a stepped bore design with primary and secondary bore diameters of 40 mm and 28.6 mm respectively
  • Equipped with two mounting holes for secure installation
  • Primary and secondary outlet thread sizes are 1/2"-20 and 9/16"-18 inverted flare types

About Centric Premium Brake Master Cylinders

The Centric Premium Brake Master Cylinders line focuses on delivering high-quality brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes precision engineering and material strength, making it suitable for demanding applications in Chevrolet and GMC trucks and vans. The 130.62042 part benefits from this focus, providing a cast iron construction and integral reservoir design that supports reliable brake system operation.

Detailed Product Description

This brake master cylinder features a cast iron body and reservoir, offering enhanced resistance to wear and corrosion. The integral single reservoir design simplifies fluid management and reduces potential leak points. With a stepped bore configuration, the master cylinder provides balanced hydraulic pressure through its primary bore diameter of 40 mm (1.575 inches) and secondary bore diameter of 28.6 mm (1.126 inches). The two mounting holes ensure a secure fitment, while the included master cylinder cap helps maintain system integrity. Note that mounting hardware, brake booster, push rod, bleeder hoses, and mounting bracket are not included with this part.

Applications and Problem Solving

  • Replacement for worn or leaking brake master cylinders in Chevrolet G10, G20, P20, and GMC P2500 models
  • Addresses issues with inconsistent brake pedal feel or reduced hydraulic pressure
  • Resolves brake fluid leaks caused by damaged reservoirs or seals
  • Improves brake system reliability in vehicles with original equipment master cylinders showing signs of wear

Installation Notes and Tips

  • Ensure compatibility with Chevrolet and GMC models G10, G20, P20, and P2500 before installation
  • Use appropriate brake fluid and bleed the brake system thoroughly after installation to remove air
  • Verify that the mounting holes align correctly and secure the master cylinder firmly
  • Replace related components such as brake booster or push rod separately if needed, as they are not included

Quality Assurance and Warranty

The Centric Premium Brake Master Cylinder 130.62042 is manufactured to meet strict quality standards for brake hydraulics components. While specific warranty details are not provided here, Centric products typically come with a limited warranty covering defects in materials and workmanship. It is recommended to consult the product documentation or supplier for exact warranty terms.

BrandCentric
Part Number130.62042
PositionCentric Premium Brake Master Cylinders
Bleeder Hoses IncludedNo
Bore TypeStepped
Boss, Nipple or Port: Front, Left: #A [cntrc]9/16"-18 inv
Boss, Nipple or Port: Rear: #A [cntrc]1/2"-20 inv
Brake Booster IncludedNo
Cylinder Bore Dia mm28.6 / 40
Master Cylinder Bore Diameter Secondary [cntrc] in1.126
Master Cylinder Bore Diameter Secondary [cntrc] mm28.600
Master Cylinder Cap IncludedYes
Master Cylinder MaterialCast Iron
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Port Quantity2
Primary Bore Diameter1.575
Primary Bore Diameter40.000
Primary Outlet Flare TypeInverted
Primary Outlet Flare Type [cntrc]Inverted
Primary Outlet Thread Diameter0.500
Primary Outlet Thread Size1/2"-20
Primary Outlet Threads Per Inch20
Publication Bore [cntrc]40mm - 28.6mm
Push Rod IncludedNo
Push Rod Lgth / DepthDimple
Push Rod: Length / Depth [cntrc] indmpl
Reservoir IncludedYes
Reservoir MaterialCast Iron
Reservoir StyleIntegral
Reservoir TypeSingle
Secondary Bore Diameter1.126
Secondary Bore Diameter28.600
Secondary Outlet Flare TypeInverted
Secondary Outlet Flare Type [cntrc]Inverted
Secondary Outlet Thread Diameter0.5625
Secondary Outlet Thread Size9/16"-18
Secondary Outlet Threads Per Inch18
Weight [cntrc] kgs4.36
Weight [cntrc] lbs9.6

This part fits 30 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
1984ChevroletG10N/A2" Rear Shoe; Centric Premium Brake Master Cylinders
1984ChevroletG10N/A2 3/4" Rear Shoe; Centric Premium Brake Master Cylinders
1984ChevroletG20GASN/ACentric Premium Brake Master Cylinders
1984ChevroletP20GASN/A11" Rear Drum; JB6 JD6; Centric Premium Brake Master Cylinders
1984GMCG1500N/A2 3/4" Rear Shoe; Centric Premium Brake Master Cylinders
1984GMCP2500GASN/AFits rear drum brakes with 11" diameter.; Centric Premium Brake Master Cylinders
1983ChevroletG10N/A2" Rear Shoe; Centric Premium Brake Master Cylinders
1983ChevroletG10N/A2 3/4" Rear Shoe; Centric Premium Brake Master Cylinders
1983ChevroletG20GASN/ACentric Premium Brake Master Cylinders
1983ChevroletP20GASN/A11" Rear Drum; JB6 JD6; Centric Premium Brake Master Cylinders
1983GMCG1500N/A2" Rear Shoe; Centric Premium Brake Master Cylinders
1983GMCG1500N/A2 3/4" Rear Shoe; Centric Premium Brake Master Cylinders
1983GMCG2500GASN/ACentric Premium Brake Master Cylinders
1983GMCP2500GASN/AFits rear drum brakes with 11" diameter.; Centric Premium Brake Master Cylinders
1982ChevroletG10N/A2" Rear Shoe; Centric Premium Brake Master Cylinders
1982ChevroletG10N/A2 3/4" Rear Shoe; Centric Premium Brake Master Cylinders
1982ChevroletG20N/ACentric Premium Brake Master Cylinders
1982ChevroletP20GASN/A11" Rear Drum; JB6 JD6; Centric Premium Brake Master Cylinders
1982GMCG1500N/A2" Rear Shoe; Centric Premium Brake Master Cylinders
1982GMCG1500N/A2 3/4" Rear Shoe; Centric Premium Brake Master Cylinders
1982GMCG2500N/ACentric Premium Brake Master Cylinders
1982GMCP2500GASN/AFits rear drum brakes with 11" diameter.; Centric Premium Brake Master Cylinders
1981ChevroletG10N/A2" Rear Shoe; Centric Premium Brake Master Cylinders
1981ChevroletG10N/A2 3/4" Rear Shoe; Centric Premium Brake Master Cylinders
1981ChevroletG20N/ACentric Premium Brake Master Cylinders
1981ChevroletP20N/A11" Rear Drum; JB6 JD6; Centric Premium Brake Master Cylinders
1981GMCG1500N/A2" Rear Shoe; Centric Premium Brake Master Cylinders
1981GMCG1500N/A2 3/4" Rear Shoe; Centric Premium Brake Master Cylinders
1981GMCG2500N/ACentric Premium Brake Master Cylinders
1981GMCP2500N/AFits rear drum brakes with 11" diameter.; 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.