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Centric 130.66021 Brake Master Cylinder
Overview of Centric Premium Brake Master Cylinder 130.66021
The Centric Premium Brake Master Cylinder 130.66021 is engineered for reliable brake hydraulics performance in select Chevrolet, Dodge, and GMC trucks and SUVs. Designed with durable aluminum construction and a plastic reservoir, this master cylinder ensures consistent braking response for vehicles like the Chevrolet Blazer, GMC Yukon, and Dodge Ram 1500.
- Aluminum master cylinder body for strength and corrosion resistance
- Plastic single reservoir with removable style for easy maintenance
- Includes master cylinder cap; push rod and brake booster not included
- Two mounting holes for secure installation
- Primary and secondary outlet thread sizes: 1/2"-20 and 9/16"-18 inverted flare
- Stepped bore design with primary bore diameter of 1.575 inches and secondary bore diameter of 1.126 inches
- Compatible with Chevrolet Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, K1500, K1500 Suburban, K2500, Dodge Ram 1500, and GMC Yukon
About Centric Premium Brake Master Cylinders
The Centric Premium Brake Master Cylinders line focuses on delivering precise hydraulic control and durability for brake systems. This product line emphasizes quality materials such as aluminum for the cylinder and plastic for the reservoir, ensuring long-lasting performance under demanding conditions. The 130.66021 part benefits from this engineering approach, providing a reliable replacement option for brake master cylinders in various Chevrolet, Dodge, and GMC models.
Product Details and Specifications
This brake master cylinder features a stepped bore design with a primary bore diameter of 1.575 inches (40 mm) and a secondary bore diameter of 1.126 inches (28.6 mm), optimizing hydraulic pressure distribution. The single plastic reservoir is removable, facilitating fluid checks and maintenance. The unit includes a master cylinder cap but does not come with mounting hardware, push rod, brake booster, bleeder hoses, or mounting bracket. The two mounting holes ensure proper fitment and secure attachment. Both primary and secondary outlets use inverted flare types with thread sizes of 1/2"-20 and 9/16"-18 respectively, matching OEM specifications for the listed vehicle models.
Common Applications and Problem Solving
- Replacement for worn or leaking brake master cylinders in Chevrolet Blazer and GMC Yukon
- Restores proper brake fluid pressure in Dodge Ram 1500 brake systems
- Addresses brake pedal sinking or sponginess due to master cylinder failure
- Solves fluid reservoir leaks with a durable plastic reservoir design
- Improves brake system reliability in Chevrolet and GMC full-size trucks and SUVs
Installation Notes and Tips
- Verify compatibility with your specific make and model before installation
- Ensure brake fluid system is properly bled after installation to remove air
- Use OEM or compatible brake lines matching the 1/2"-20 and 9/16"-18 inverted flare threads
- Mounting hardware is not included; reuse existing hardware or source separately
- Inspect brake booster and push rod components as they are not included with this part
Quality Assurance and Warranty
Centric Premium Brake Master Cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The 130.66021 part undergoes rigorous quality control to ensure durability and performance in brake hydraulic systems. Warranty coverage details should be confirmed with the original product documentation or supplier.
| Brand | Centric |
|---|---|
| Part Number | 130.66021 |
| Position | Centric Premium Brake Master Cylinders |
| Bleeder Hoses Included | No |
| Bore Type | Stepped |
| 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 Included | No |
| Cylinder Bore Dia mm | 28.6 / 40 |
| Master Cylinder Bore Diameter Secondary [cntrc] in | 1.126 |
| Master Cylinder Bore Diameter Secondary [cntrc] mm | 28.600 |
| Master Cylinder Cap Included | Yes |
| Master Cylinder Material | Aluminum |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Port Quantity | 2 |
| Primary Bore Diameter | 1.575 |
| Primary Bore Diameter | 40.000 |
| Primary Outlet Flare Type | Inverted |
| Primary Outlet Flare Type [cntrc] | Inverted |
| Primary Outlet Thread Diameter | 0.500 |
| Primary Outlet Thread Size | 1/2"-20 |
| Primary Outlet Threads Per Inch | 20 |
| Publication Bore [cntrc] | 40mm - 28.6mm |
| Push Rod Included | No |
| Push Rod Lgth / Depth | Dimple |
| Push Rod: Length / Depth [cntrc] in | dmpl |
| Reservoir Included | Yes |
| Reservoir Material | Plastic |
| Reservoir Style | Removable |
| Reservoir Type | Single |
| Secondary Bore Diameter | 1.126 |
| Secondary Bore Diameter | 28.600 |
| Secondary Outlet Flare Type | Inverted |
| Secondary Outlet Flare Type [cntrc] | Inverted |
| Secondary Outlet Thread Diameter | 0.5625 |
| Secondary Outlet Thread Size | 9/16"-18 |
| Secondary Outlet Threads Per Inch | 18 |
| Weight [cntrc] kgs | 1.62 |
| Weight [cntrc] lbs | 3.56 |
This part fits 80 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1994 | Dodge | Ram 1500 | N/A | Centric Premium Brake Master Cylinders | ||||
| 1993 | Chevrolet | Blazer | N/A | Full Size; Centric Premium Brake Master Cylinders | ||||
| 1993 | Chevrolet | C1500 | N/A | Centric Premium Brake Master Cylinders | ||||
| 1993 | Chevrolet | C1500 Suburban | N/A | Centric Premium Brake Master Cylinders | ||||
| 1993 | Chevrolet | C2500 | N/A | 11" Rear Drum; 7200lb GVW; Centric Premium Brake Master Cylinders | ||||
| 1993 | Chevrolet | C2500 Suburban | N/A | Vacuum Boost; Centric Premium Brake Master Cylinders | ||||
| 1993 | Chevrolet | K1500 | N/A | 10" Rear Drum; 8 1/2" Rear End; Centric Premium Brake Master Cylinders | ||||
| 1993 | Chevrolet | K1500 Suburban | N/A | Centric Premium Brake Master Cylinders | ||||
| 1993 | Chevrolet | K2500 | N/A | Disc Brake Caliper for 6 Lug configuration; Centric Premium Brake Master Cylinders | ||||
| 1993 | GMC | C1500 | N/A | Centric Premium Brake Master Cylinders | ||||
| 1993 | GMC | C1500 Suburban | N/A | Centric Premium Brake Master Cylinders | ||||
| 1993 | GMC | C2500 | N/A | 11" Rear Drum; 7200lb GVW; Centric Premium Brake Master Cylinders | ||||
| 1993 | GMC | C2500 Suburban | N/A | Vacuum Boost; Centric Premium Brake Master Cylinders | ||||
| 1993 | GMC | K1500 | N/A | 10" Rear Drum; Centric Premium Brake Master Cylinders | ||||
| 1993 | GMC | K1500 Suburban | N/A | Centric Premium Brake Master Cylinders | ||||
| 1993 | GMC | K2500 | N/A | 11" Rear Drum; 6 Lug; Centric Premium Brake Master Cylinders | ||||
| 1993 | GMC | Yukon | N/A | Centric Premium Brake Master Cylinders | ||||
| 1992 | Chevrolet | Blazer | N/A | Full Size; Centric Premium Brake Master Cylinders | ||||
| 1992 | Chevrolet | C1500 | N/A | Centric Premium Brake Master Cylinders | ||||
| 1992 | Chevrolet | C1500 Suburban | N/A | Centric Premium Brake Master Cylinders | ||||
| 1992 | Chevrolet | C2500 | N/A | 11" Rear Drum; 7200lb GVW; Centric Premium Brake Master Cylinders | ||||
| 1992 | Chevrolet | C2500 Suburban | N/A | Vacuum Boost; Centric Premium Brake Master Cylinders | ||||
| 1992 | Chevrolet | K1500 | N/A | 10" Rear Drum; 8 1/2" Rear End; Centric Premium Brake Master Cylinders | ||||
| 1992 | Chevrolet | K1500 Suburban | N/A | Centric Premium Brake Master Cylinders | ||||
| 1992 | Chevrolet | K2500 | N/A | Disc Brake Caliper for 6 Lug configuration; Centric Premium Brake Master Cylinders | ||||
| 1992 | GMC | C1500 | N/A | Centric Premium Brake Master Cylinders | ||||
| 1992 | GMC | C1500 Suburban | N/A | Centric Premium Brake Master Cylinders | ||||
| 1992 | GMC | C2500 | N/A | 11" Rear Drum; 7200lb GVW; Centric Premium Brake Master Cylinders | ||||
| 1992 | GMC | C2500 Suburban | N/A | Vacuum Boost; Centric Premium Brake Master Cylinders | ||||
| 1992 | GMC | K1500 | N/A | 10" Rear Drum; Centric Premium Brake Master Cylinders | ||||
| 1992 | GMC | K1500 Suburban | N/A | Centric Premium Brake Master Cylinders | ||||
| 1992 | GMC | K2500 | N/A | 11" Rear Drum; 6 Lug; Centric Premium Brake Master Cylinders | ||||
| 1992 | GMC | Yukon | N/A | Centric Premium Brake Master Cylinders | ||||
| 1991 | Chevrolet | C1500 | Standard Cab Pickup | N/A | Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1991 | Chevrolet | C1500 | Extended Cab Pickup | N/A | Centric Premium Brake Master Cylinders | |||
| 1991 | Chevrolet | C2500 | N/A | 11" Rear Drum; 7200lb GVW; Centric Premium Brake Master Cylinders | ||||
| 1991 | Chevrolet | K1500 | Standard Cab Pickup | N/A | 10" Rear Drum; 9 1/2" Rear End; Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1991 | Chevrolet | K1500 | Extended Cab Pickup | N/A | 10" Rear Drum; 9 1/2" Rear End; Std Ch; Centric Premium Brake Master Cylinders | |||
| 1991 | Chevrolet | K2500 | N/A | Disc Brake Caliper for 6 Lug configuration; Centric Premium Brake Master Cylinders | ||||
| 1991 | GMC | C1500 | N/A | Disc Brake Caliper for HD Chassis; Centric Premium Brake Master Cylinders | ||||
| 1991 | GMC | C2500 | N/A | 11" Rear Drum; 7200lb GVW; Centric Premium Brake Master Cylinders | ||||
| 1991 | GMC | K1500 | Standard Cab Pickup | N/A | 10" Rear Drum; Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1991 | GMC | K1500 | Extended Cab Pickup | N/A | 10" Rear Drum; Std Ch; Centric Premium Brake Master Cylinders | |||
| 1991 | GMC | K2500 | N/A | 11" Rear Drum; 6 Lug; Centric Premium Brake Master Cylinders | ||||
| 1990 | Chevrolet | C1500 | Standard Cab Pickup | N/A | Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1990 | Chevrolet | C1500 | Extended Cab Pickup | N/A | Centric Premium Brake Master Cylinders | |||
| 1990 | Chevrolet | C2500 | N/A | 11" Rear Drum; 7200lb GVW; Centric Premium Brake Master Cylinders | ||||
| 1990 | Chevrolet | K1500 | Standard Cab Pickup | N/A | 10" Rear Drum; 9 1/2" Rear End; Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1990 | Chevrolet | K1500 | Extended Cab Pickup | N/A | 10" Rear Drum; 9 1/2" Rear End; Std Ch; Centric Premium Brake Master Cylinders | |||
| 1990 | Chevrolet | K2500 | N/A | Disc Brake Caliper for 6 Lug configuration; Centric Premium Brake Master Cylinders | ||||
| 1990 | GMC | C1500 | N/A | Disc Brake Caliper for HD Chassis; Centric Premium Brake Master Cylinders | ||||
| 1990 | GMC | C2500 | N/A | 11" Rear Drum; 7200lb GVW; Centric Premium Brake Master Cylinders | ||||
| 1990 | GMC | K1500 | Standard Cab Pickup | N/A | 10" Rear Drum; Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1990 | GMC | K1500 | Extended Cab Pickup | N/A | 10" Rear Drum; Std Ch; Centric Premium Brake Master Cylinders | |||
| 1990 | GMC | K2500 | N/A | 11" Rear Drum; 6 Lug; Centric Premium Brake Master Cylinders | ||||
| 1989 | Chevrolet | C1500 | Standard Cab Pickup | N/A | Heavy Duty Chassis; Centric Premium Brake Master Cylinders | |||
| 1989 | Chevrolet | C1500 | Extended Cab Pickup | N/A | Centric Premium Brake Master Cylinders | |||
| 1989 | Chevrolet | C2500 | GAS | N/A | 11" Rear Drum; 7200lb GVW; JB5; Centric Premium Brake Master Cylinders | |||
| 1989 | Chevrolet | K1500 | Standard Cab Pickup | N/A | 10" Rear Drum; 9 1/2" Rear End; Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1989 | Chevrolet | K1500 | Extended Cab Pickup | N/A | 10" Rear Drum; 9 1/2" Rear End; Std Ch; Centric Premium Brake Master Cylinders | |||
| 1989 | Chevrolet | K2500 | N/A | Disc Brake Caliper for 6 Lug configuration; Centric Premium Brake Master Cylinders | ||||
| 1989 | GMC | C1500 | Standard Cab Pickup | N/A | Disc Brake Caliper for HD Chassis; Centric Premium Brake Master Cylinders | |||
| 1989 | GMC | C1500 | Extended Cab Pickup | N/A | Centric Premium Brake Master Cylinders | |||
| 1989 | GMC | C2500 | GAS | N/A | Fits rear drum brakes with 11" diameter.; Centric Premium Brake Master Cylinders | |||
| 1989 | GMC | K1500 | Standard Cab Pickup | N/A | 10" Rear Drum; Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1989 | GMC | K1500 | Extended Cab Pickup | N/A | 10" Rear Drum; Std Ch; Centric Premium Brake Master Cylinders | |||
| 1989 | GMC | K2500 | 5.0L | V8 | N/A | 11" Rear Drum; 6 Lug; Centric Premium Brake Master Cylinders | ||
| 1989 | GMC | K2500 | 4.3L | V6 | N/A | 11" Rear Drum; 6 Lug; Centric Premium Brake Master Cylinders | ||
| 1988 | Chevrolet | C1500 | Standard Cab Pickup | N/A | Heavy Duty Chassis; Centric Premium Brake Master Cylinders | |||
| 1988 | Chevrolet | C1500 | Extended Cab Pickup | N/A | Centric Premium Brake Master Cylinders | |||
| 1988 | Chevrolet | C2500 | GAS | N/A | Centric Premium Brake Master Cylinders | |||
| 1988 | Chevrolet | K1500 | Standard Cab Pickup | N/A | 10" Rear Drum; 9 1/2" Rear End; Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1988 | Chevrolet | K1500 | Extended Cab Pickup | N/A | 10" Rear Drum; 9 1/2" Rear End; Std Ch; Centric Premium Brake Master Cylinders | |||
| 1988 | Chevrolet | K2500 | N/A | Centric Premium Brake Master Cylinders | ||||
| 1988 | GMC | C1500 | Standard Cab Pickup | N/A | Disc Brake Caliper for HD Chassis; Centric Premium Brake Master Cylinders | |||
| 1988 | GMC | C1500 | Extended Cab Pickup | N/A | Centric Premium Brake Master Cylinders | |||
| 1988 | GMC | C2500 | GAS | N/A | Centric Premium Brake Master Cylinders | |||
| 1988 | GMC | K1500 | Standard Cab Pickup | N/A | 10" Rear Drum; Hvy Dty Ch; Centric Premium Brake Master Cylinders | |||
| 1988 | GMC | K1500 | Extended Cab Pickup | N/A | 10" Rear Drum; Std Ch; Centric Premium Brake Master Cylinders | |||
| 1988 | GMC | K2500 | GAS | N/A | 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.