GM 6489701 Brake Calipers Cast Iron

( Brand: Gm ), ( Manufacturer Part Number: 6489701 ), ( Type: Brake Caliper ), ( Piston Material: Cast Iron )

Review GM Used Mid Size Brake Calipers Cast Iron Pair fits 1969-77

1969-1977 GM Cast Iron Brake Calipers (Part Number: GM 6489701)

The GM 6489701 1969-1977 brake calipers are a vital component of a vehicle's braking system, designed for use in select models from General Motors during this period. These cast iron calipers are renowned for their durability and reliability, making them a top choice for classic car enthusiasts and restoration projects.

Measuring approximately 23 inches in length and 10 inches in width, these calipers are engineered to fit vehicles with front disc brakes. The cast iron construction not only provides exceptional strength and resistance to wear but also ensures efficient heat dissipation, which is essential for maintaining optimal braking performance.

Each caliper features a dual-piston design that evenly distributes braking force to both sides of the brake pad, ensuring consistent and reliable braking. The calipers are also equipped with integral mounting brackets, simplifying the installation process and ensuring a secure fit.

The GM 6489701 brake calipers are designed for use with standard automotive brake pads and can be easily serviced or replaced when needed. The calipers are finished with a rough, textured surface that not only adds to their classic appeal but also helps to prevent brake pad noise and vibration.

These calipers are a must-have for anyone restoring a classic GM vehicle from the 1969 to 1977 era. With their durability, reliability, and classic appearance, they are sure to enhance the performance and aesthetic appeal of your beloved car. Whether you're a seasoned mechanic or a DIY enthusiast, these calipers are an excellent investment for your restoration project.

Pros and Cons of Buying 1969-77 GM Cast Iron Brake Calipers (GM Part Number: 6489701)

a. Durability: Cast iron calipers are known for their superior strength and durability in comparison to their aluminum counterparts. They can withstand high temperatures and harsh conditions, making them a suitable choice for heavy-duty applications.

b. Affordability: Used cast iron calipers are often more affordable than new ones, making them an attractive option for those working on a budget.

c. Availability: These calipers are widely available from various sources, including salvage yards, used parts dealers, and online marketplaces.

d. Restoration Projects: If you're working on an older vehicle or a restoration project, original cast iron brake calipers can add to the authenticity and value of your car.

a. Weight: Cast iron calipers are heavier than aluminum calipers, which can negatively impact vehicle performance and fuel efficiency, especially if you're upgrading from lighter calipers.

b. Maintenance: Cast iron calipers require more maintenance than modern brake calipers due to their complexity and the potential for corrosion. They may need to be rebuilt or reconditioned to ensure proper function.

c. Adaptability: These calipers are designed specifically for GM vehicles from 1969 to 1977. If you're working on a different make or model, you may need to invest in custom adapter brackets or find alternative solutions.

The decision to buy GM cast iron brake calipers (GM Part Number: 6489701) depends on your specific needs and priorities. If you're working on a restoration project, value durability, and are budget-conscious, these calipers could be an excellent choice. However, if you prioritize weight savings, ease of maintenance, or adaptability to various vehicle makes and models, you may want to consider alternative options.

If you're dead set on using cast iron calipers for your project, ensure that you have the necessary resources to maintain them properly. This may include access to specialized tools, knowledge of rebuilding techniques, or the willingness to invest in professional services. Additionally, consider purchasing high-quality reconditioned calipers to ensure optimal performance and longevity. If you're open to other options, consider exploring lighter, more modern aluminum brake calipers or alternative solutions tailored to your specific vehicle and needs.

Details:

Am also including a new set of brake pads. Disc brake calipers. Hoses and bolts included. 75mm steel single piston.

GM mid size style. With bleeders. Note: these are used but came off a good braking car. Commonly found on 1969-77 GM cars.

Sold as a set. Left and right hand sides. 7/16 fluid inlet banjo fitting.

part #: 6489701 prices

• $106.75-$174.95

specifications caliperparbrak:

• for years: 1969-77
• brand: Gm
• mpn: 6489701
• type: Brake Caliper
• piston material: Cast Iron

shipping caliperparbrak:

• service: UPS Ground
• carrier: UPS
• class: Standard
• transit: 4-11 Days
• type: Fixed
• cost: $15.00

general caliperparbrak:

• Car Truck Parts Accessories > Brakes Brake Parts > Calipers Brackets
• condition: Used

returns caliperparbrak:

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

seller caliperparbrak:

• city: Burlington, Kentucky
• # reviews: 1751
• rating: 99.6%

payments caliperparbrak:

• credit card: Mastercard
• other
• wallet: Paypal

offer caliperparbrak:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: December 23, 2025
• quantity: 1

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