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Raybestos MC39328 Brake Master Cylinder
Reliable Brake Master Cylinder for Classic GM Vehicles
The Raybestos Element3; New Brake Master Cylinder MC39328 is engineered to restore precise brake hydraulics in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance for vehicles like the Chevrolet Camaro and Pontiac Firebird.
- Constructed from robust iron material for long-lasting durability
- Features a 1.125-inch bore size for optimal hydraulic pressure
- Includes two mounting holes with a 0.433-inch diameter for secure installation
- Equipped with two ports: primary port thread 1/2"-20 and secondary port thread 9/16"-18
- Compatible with multiple GM models including Buick LeSabre, Cadillac DeVille, and Chevrolet Caprice
About the Raybestos Element3; New Product Line
The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder MC39328 is part of that line, offering precise engineering and material quality tailored for classic GM vehicles. The Element3; New series emphasizes durability and fitment accuracy to maintain vehicle safety and performance.
Detailed Product Description and Specifications
This brake master cylinder is crafted from iron, providing strength and resistance to wear under demanding braking conditions. The 1.125-inch bore size is designed to deliver consistent hydraulic pressure, essential for effective brake system operation. With two mounting holes sized at 0.433 inches in diameter, installation is straightforward and secure. The unit features two ports with specific thread sizes—primary port thread 1/2"-20 and secondary port thread 9/16"-18—ensuring compatibility with the brake lines of various GM models. The part number MC39328 corresponds to this exact configuration, making it a precise replacement for vehicles such as the Pontiac Bonneville and Oldsmobile Delta 88.
Common Applications and Problem Resolution
- Restores brake hydraulic pressure in Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles
- Addresses issues with brake pedal sponginess or sinking
- Replaces leaking or damaged master cylinders causing brake fluid loss
- Improves brake response and pedal feel in classic GM models
- Solves inconsistent braking performance due to worn internal components
Installation Notes and Tips
- Ensure compatibility with your vehicle’s make and model before installation
- Bleed the brake system thoroughly after installation to remove air
- Use proper tools to avoid damaging mounting holes or port threads
- Inspect brake lines and fittings for wear or damage during replacement
- Follow manufacturer torque specifications for mounting bolts
Quality Assurance and Warranty Information
Raybestos manufactures the MC39328 brake master cylinder to meet stringent quality standards, ensuring reliable performance and durability. The Element3; New line undergoes rigorous testing to comply with OEM requirements. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary by region.
| Brand | Raybestos |
|---|---|
| Part Number | MC39328 |
| Position | Element3; New, N/A |
| Bore Size | 1.125 |
| Master Cylinder Material | Iron |
| Mounting Hole Diameter | 0.433 |
| Mounting Hole Quantity | 2 |
| Number of Ports | 2 |
| Primary Port Thread A | 1/2"-20 |
| Secondary Port Thread A | 9/16"-18 |
This part fits 89 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | # Doors | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1990 | Buick | LeSabre | Wagon | 4 Door | N/A | Element3; New | |||||
| 1990 | Chevrolet | Caprice | N/A | Element3; New | |||||||
| 1990 | Oldsmobile | Custom Cruiser | N/A | Element3; New | |||||||
| 1989 | Buick | LeSabre | Wagon | 4 Door | N/A | Element3; New | |||||
| 1989 | Cadillac | Brougham | N/A | Element3; New | |||||||
| 1989 | Chevrolet | Caprice | N/A | Element3; New | |||||||
| 1989 | Oldsmobile | Custom Cruiser | N/A | Element3; New | |||||||
| 1989 | Pontiac | Safari | N/A | Element3; New | |||||||
| 1988 | Buick | LeSabre | Wagon | 4 Door | N/A | Element3; New | |||||
| 1988 | Cadillac | Brougham | N/A | Element3; New | |||||||
| 1988 | Chevrolet | Caprice | N/A | Element3; New | |||||||
| 1988 | Oldsmobile | Custom Cruiser | N/A | Element3; New | |||||||
| 1988 | Pontiac | Safari | N/A | Element3; New | |||||||
| 1987 | Cadillac | Brougham | N/A | Element3; New | |||||||
| 1987 | Chevrolet | Caprice | N/A | Element3; New | |||||||
| 1987 | Oldsmobile | Custom Cruiser | N/A | Element3; New | |||||||
| 1987 | Pontiac | Safari | N/A | Element3; New | |||||||
| 1986 | Cadillac | Fleetwood | Brougham | RWD | N/A | Element3; New | |||||
| 1986 | Chevrolet | Caprice | Sedan | 4 Door | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||
| 1986 | Chevrolet | Caprice | Coupe | 2 Door | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||
| 1986 | Oldsmobile | Custom Cruiser | N/A | Element3; New | |||||||
| 1986 | Pontiac | Parisienne | Sedan | 4 Door | N/A | Element3; New | |||||
| 1985 | Buick | LeSabre | GAS | N/A | Element3; New | ||||||
| 1985 | Cadillac | Commercial Chassis | GAS | N/A | Element3; New | ||||||
| 1985 | Cadillac | Fleetwood | RWD | GAS | N/A | Element3; New | |||||
| 1985 | Chevrolet | Caprice | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||||
| 1985 | Chevrolet | Impala | GAS | N/A | Element3; New | ||||||
| 1985 | Oldsmobile | Custom Cruiser | GAS | N/A | Powermaster; Element3; New | ||||||
| 1985 | Oldsmobile | Delta 88 | GAS | N/A | Element3; New | ||||||
| 1985 | Pontiac | Parisienne | Sedan | 4 Door | GAS | N/A | Element3; New | ||||
| 1984 | Buick | LeSabre | GAS | N/A | Element3; New | ||||||
| 1984 | Cadillac | Commercial Chassis | GAS | N/A | Element3; New | ||||||
| 1984 | Cadillac | DeVille | 4 Door | GAS | N/A | Element3; New | |||||
| 1984 | Cadillac | DeVille | 2 Door | GAS | N/A | Element3; New | |||||
| 1984 | Cadillac | Fleetwood | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||||
| 1984 | Chevrolet | Caprice | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||||
| 1984 | Chevrolet | Impala | GAS | N/A | Element3; New | ||||||
| 1984 | Oldsmobile | 98 | GAS | N/A | Element3; New | ||||||
| 1984 | Oldsmobile | Custom Cruiser | GAS | N/A | Element3; New | ||||||
| 1984 | Oldsmobile | Delta 88 | GAS | N/A | Element3; New | ||||||
| 1984 | Pontiac | Parisienne | Sedan | 4 Door | GAS | N/A | Element3; New | ||||
| 1983 | Buick | LeSabre | GAS | N/A | Element3; New | ||||||
| 1983 | Cadillac | Commercial Chassis | GAS | N/A | Element3; New | ||||||
| 1983 | Cadillac | DeVille | 4 Door | GAS | N/A | Element3; New | |||||
| 1983 | Cadillac | DeVille | 2 Door | GAS | N/A | Element3; New | |||||
| 1983 | Cadillac | Fleetwood | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||||
| 1983 | Chevrolet | Caprice | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||||
| 1983 | Chevrolet | Impala | GAS | N/A | Element3; New | ||||||
| 1983 | Oldsmobile | 98 | GAS | N/A | Element3; New | ||||||
| 1983 | Oldsmobile | Custom Cruiser | GAS | N/A | Element3; New | ||||||
| 1983 | Oldsmobile | Delta 88 | Base | GAS | N/A | Element3; New | |||||
| 1983 | Oldsmobile | Delta 88 | Royale | GAS | N/A | Element3; New | |||||
| 1983 | Oldsmobile | Delta 88 | Royale Brougham | GAS | N/A | Element3; New | |||||
| 1983 | Pontiac | Parisienne | GAS | N/A | Element3; New | ||||||
| 1982 | Buick | LeSabre | GAS | N/A | Element3; New | ||||||
| 1982 | Cadillac | Commercial Chassis | GAS | N/A | Element3; New | ||||||
| 1982 | Cadillac | DeVille | 4 Door | GAS | N/A | Element3; New | |||||
| 1982 | Cadillac | DeVille | 2 Door | GAS | N/A | Element3; New | |||||
| 1982 | Cadillac | Fleetwood | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||||
| 1982 | Chevrolet | Caprice | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||||
| 1982 | Chevrolet | Impala | GAS | N/A | Element3; New | ||||||
| 1982 | Oldsmobile | 98 | GAS | N/A | Element3; New | ||||||
| 1982 | Oldsmobile | Custom Cruiser | GAS | N/A | Element3; New | ||||||
| 1982 | Oldsmobile | Delta 88 | Base | GAS | N/A | Element3; New | |||||
| 1982 | Oldsmobile | Delta 88 | Royale | GAS | N/A | Element3; New | |||||
| 1982 | Oldsmobile | Delta 88 | Royale Brougham | GAS | N/A | Element3; New | |||||
| 1981 | Buick | LeSabre | GAS | N/A | Element3; New | ||||||
| 1981 | Cadillac | Commercial Chassis | GAS | N/A | 11in Rear Drum; Element3; New | ||||||
| 1981 | Cadillac | Commercial Chassis | GAS | N/A | with 12in Diameter Rear Drum; Element3; New | ||||||
| 1981 | Cadillac | DeVille | 4 Door | GAS | N/A | Element3; New | |||||
| 1981 | Cadillac | DeVille | 2 Door | GAS | N/A | Element3; New | |||||
| 1981 | Cadillac | Fleetwood | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||||
| 1981 | Chevrolet | Camaro | N/A | Element3; New | |||||||
| 1981 | Chevrolet | Caprice | N/A | Aluminum Step Bore Cylinder With Plastic Reservoir; Element3; New | |||||||
| 1981 | Chevrolet | Impala | GAS | N/A | Element3; New | ||||||
| 1981 | Oldsmobile | 98 | GAS | N/A | Element3; New | ||||||
| 1981 | Oldsmobile | Custom Cruiser | GAS | N/A | Element3; New | ||||||
| 1981 | Oldsmobile | Delta 88 | Base | GAS | N/A | Element3; New | |||||
| 1981 | Oldsmobile | Delta 88 | Holiday | GAS | N/A | Element3; New | |||||
| 1981 | Oldsmobile | Delta 88 | Royale | GAS | N/A | Element3; New | |||||
| 1981 | Oldsmobile | Delta 88 | Royale Brougham | GAS | N/A | Element3; New | |||||
| 1981 | Pontiac | Bonneville | GAS | N/A | Element3; New | ||||||
| 1981 | Pontiac | Catalina | GAS | N/A | Element3; New | ||||||
| 1981 | Pontiac | Firebird | 5.0L | V8 | N/A | Element3; New | |||||
| 1981 | Pontiac | Firebird | 3.8L | V6 | N/A | Element3; New | |||||
| 1981 | Pontiac | Firebird | 4.3L | V8 | N/A | Element3; New | |||||
| 1981 | Pontiac | Firebird | 4.4L | V8 | N/A | Element3; New | |||||
| 1981 | Pontiac | Laurentian | N/A | fits models equipped with Hydro-Boost; Element3; New | |||||||
| 1981 | Pontiac | Parisienne | GAS | N/A | Element3; New |
* 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.