Fits 1960-1970 Mopar Master Cylinder MC5621
Fits 1960-1970 Mopar Master Cylinder MC5621
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Introducing the Mopar Master Cylinder (SKU: MC5621)—a high-quality replacement component designed to restore and enhance the braking performance of classic Mopar vehicles. This master cylinder is meticulously crafted to match the specifications of the original equipment, ensuring both functionality and authenticity for restoration projects.
Key Features:
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Authentic Design: Closely replicates the original Bendix-style master cylinder with casting number 2225621, featuring the correct lid inscription for period accuracy.
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High-Quality Construction: Made from durable cast iron with a natural finish, providing longevity and resistance to wear.
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Internal Residual Valve: Equipped with a 10 lb. internal residual valve for rear drum brakes, maintaining proper brake pressure and preventing fluid drain-back.
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Comprehensive Kit: Includes a firewall boot and four pre-installed bolts for straightforward installation.
Item Specifications:
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Part Number: MC5621
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Bore Size: 1.125 inches (1-1/8")
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Port Sizes:
- Front Port: 9/16"-20 inverted flare
- Rear Port: 1/2"-20 inverted flare
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Material: Cast Iron
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Finish: Natural Cast
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Weight: Approximately 7 lbs
Compatibility:
This master cylinder is suitable for a range of Mopar vehicles equipped with disc/drum brake systems from 1960 to 1970, including:
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Dodge:
- 1962-1964 Dart
- 1965-1970 Coronet
- 1966-1970 Charger
- 1967-1970 Dart
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Plymouth:
- 1962-1964 Valiant
- 1965-1970 Belvedere
- 1967-1970 GTX
- 1968-1970 Road Runner
- 1970 Barracuda
Installation Note:
For vehicles with power brakes, it is necessary to remove the pre-installed firewall bolts and the boot on the back of the master cylinder to accommodate the power brake booster. Ensure compatibility with your vehicle's brake system before installation.
Restore your classic Mopar's braking system with the MC5621 Master Cylinder, offering authentic design and reliable performance for your vintage vehicle.






Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.