DORMAN/FIRST STOP M390401 Brake Master Cylinder 18039288

( Brand: Dorman/first Stop ), ( Part Type: Brake Cylinder ), ( Ipn: 18039288 ), ( Compatibility: 2009 Buick Allure Cx Sedan 4-door 3.8l 3800cc 231cu. In. V6 Gas O ), ( Manufacturer Part Number: M390401 ), ( Epid: 77004372 )

Review DORMAN/FIRST STOP Brake Master Cylinder

The Dorman M390401 Brake Master Cylinder is an essential automotive component that plays a crucial role in your vehicle's braking system. This master cylinder is engineered to meet or exceed OE specifications, ensuring reliable and efficient braking performance.

Designed with a durable cast iron housing, this master cylinder is built to withstand the rigors of daily driving. The piston and pushrod are made of high-quality materials, providing consistent and accurate brake application. The seals are engineered for a long service life, preventing leaks and maintaining proper brake fluid levels.

The Dorman M390401 Brake Master Cylinder features a visible reservoir that allows for easy brake fluid level checks. The reservoir is marked with "Min" and "Max" indicators, making it simple to maintain the correct fluid level. The cylinder is also equipped with a bleed screw, allowing for easy bleeding of the brake system.

This master cylinder is suitable for various makes and models, making it a versatile replacement option for many vehicles. It is important to note that it is always recommended to consult your vehicle's service manual or a qualified technician to ensure proper installation.

In summary, the Dorman M390401 Brake Master Cylinder is a high-quality, durable replacement component that delivers reliable and efficient braking performance. Its cast iron housing, high-quality piston and pushrod, and long-lasting seals make it a top choice for those seeking a dependable brake master cylinder. With its visible reservoir and easy bleeding process, this master cylinder makes routine maintenance a breeze.

The Dorman M390401 brake master cylinder is a popular aftermarket option for replacing a faulty original equipment part. Below are some potential pros and cons to consider before making a purchase.

1. Cost-effective: The Dorman M390401 is often priced lower than the original equipment part from the manufacturer. This can save you money, especially if your vehicle is older or requires frequent brake master cylinder replacements.

2. Availability: Aftermarket parts like the Dorman M390401 are widely available at auto parts stores and online retailers. This means you can easily find and purchase the part when you need it.

3. Functionality: The Dorman M390401 is designed to meet or exceed the original equipment specifications. This means it should provide the same level of performance as the original part.

1. Quality concerns: Some customers have reported issues with the quality of the Dorman M390401, such as leaks or poor seals. However, these issues are not common and may be isolated incidents.

2. Installation: Some customers have reported that the Dorman M390401 required additional modifications or adjustments during installation. This could add to the overall cost and time required to complete the repair.

3. Warranty: Aftermarket parts like the Dorman M390401 may not come with the same level of warranty coverage as original equipment parts. This means you may be responsible for any repairs or replacements if the part fails prematurely.

The Dorman M390401 brake master cylinder can be a cost-effective and readily available solution for replacing a faulty original equipment part. However, it's important to consider the potential cons, such as quality concerns and potential installation issues. If you're comfortable with these risks and the potential savings, the Dorman M390401 could be a good choice for you.

If you're considering purchasing the Dorman M390401 brake master cylinder, be sure to do your research and read reviews from other customers before making a purchase. You may also want to consider purchasing from a reputable auto parts retailer to ensure the highest quality product. Additionally, be prepared for potential installation challenges and be sure to follow the manufacturer's instructions carefully to avoid any issues.

Details:

Made of high-quality components for durability, reliability, and performance. Designed specifically for trucks, trailers, and buses. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Dorman M390401 Brake Master Cylinder: Part Number: Manufacturer.

Engineered using the latest technology to ensure product lasts longer in service. Manufactured following strict OE standards to work like the original component.

part #: m390401 prices

• $73.79-$88.77

specifications boomersbrake:

• brand: Dorman/first Stop
• part type: Brake Cylinder
• interchange part number: 18039288
• compatibility: 2009 Buick Allure Cx Sedan 4-door 3.8l 3800cc 231cu. In. V6 Gas O
• manufacturer part number: M390401
• epid: 77004372

payments boomersbrake:

• credit card: Visa
• other
• wallet: Paypal

seller boomersbrake:

• # reviews: 57747
• rating: 98.6%
• city: Los Angeles, California

general boomersbrake:

• Car Truck Parts Accessories > Brakes Brake Parts > Brake Pad Shoe Hardware
• condition: New

offer boomersbrake:

• started: November 7, 2025
• best offers: True
• quantity: 5
• sold: 0
• availability: In Stock
• options: Ship-to-home

shipping boomersbrake:

• cost: $0.00
• service: Standard
• transit: 3-7 Days
• type: Fixed
• class: Standard

returns boomersbrake:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

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