GM 18G120 Rear Drum Brake 18031299

( Brand: Gm ), ( Manufacturer Part Number: 18G120 ), ( Type: Parts )

Review GM Rear Drum Brake New Oem

GM 18G120 Rear Drum Brake Assembly - 18031299

The GM 18G120 Rear Drum Brake Assembly, also known as 18031299, is an essential component designed to ensure the safe and reliable operation of your vehicle's braking system. This assembly is engineered specifically for General Motors vehicles, ensuring a perfect fit and optimal performance.

The 18G120 Rear Drum Brake Assembly consists of several key components. At its core is a sturdy drum, which houses the brake shoes when they are not in contact with the drum. The drum is machined to precise tolerances to ensure efficient energy transfer from the brake shoes to the wheel hub, resulting in effective stopping power.

Two sets of brake shoes are provided with this assembly. Each set consists of a backing plate, a shoe lining, and a return spring. When the brake pedal is pressed, the shoes press against the drum, causing the vehicle to slow down or come to a stop. The return springs then push the shoes back against the drum, allowing for smooth and effortless driving.

Additionally, the assembly includes the wheel cylinder, which presses the brake shoes against the drum when the brake pedal is depressed. The wheel cylinder is equipped with a pair of pistons, which transfer the hydraulic force from the master cylinder to the brake shoes.

This GM rear drum brake assembly also features a parking brake assembly. The parking brake mechanism engages the shoes when the parking brake lever is pulled, providing an added layer of security by preventing the vehicle from rolling when parked.

All components in the 18G120 Rear Drum Brake Assembly are manufactured to meet or exceed OEM specifications, ensuring reliable and consistent performance. The assembly is also thoroughly inspected and tested to ensure it meets the high-quality standards you have come to expect from General Motors.

By choosing the GM 18G120 Rear Drum Brake Assembly, you are investing in the safety and longevity of your vehicle. With its robust design, efficient energy transfer, and reliable operation, this brake assembly is an essential upgrade for any GM vehicle.

1. OEM Part: This brake drum is an original equipment manufacturer (OEM) part, which means it is manufactured by the same company that originally made it for the vehicle. This ensures a perfect fit and optimal performance.

2. High Durability: Rear drum brakes, including the GM 18G120, are known for their durability. They can handle heavy loads and are less prone to wear and tear compared to disc brakes.

3. Cost-Effective: Rear drum brakes are typically less expensive than disc brakes. Replacing a drum brake with an OEM part like the GM 18G120 can save you money in the long run.

1. Longer Brake Pedal Travel: Rear drum brakes require more pedal travel compared to disc brakes. This can make it more difficult to stop the vehicle quickly and may require more effort from the driver.

2. Brake Drum Warping: Over time, the brake drum can warp from the heat generated during braking. This can cause vibrations and uneven braking.

3. Brake Adjustment: Rear drum brakes require regular adjustment to ensure proper brake shoe contact with the drum. This can be time-consuming and may require the use of special tools.

The GM 18G120 rear drum brake 18031299 is a reliable and cost-effective option for replacing a worn-out drum brake on a GM vehicle. Its durability and OEM quality make it a top choice for many mechanics and auto enthusiasts. However, its longer brake pedal travel, potential for brake drum warping, and the need for regular adjustment are important considerations. Ultimately, if your vehicle requires a new rear drum brake, the GM 18G120 is a solid choice.

If you are in the market for a new rear drum brake for your GM vehicle, consider the GM 18G120 18031299. Its OEM quality, durability, and cost-effectiveness make it a strong recommendation for anyone looking to maintain their vehicle's braking system. Just be prepared for the potential need for regular adjustment and the longer brake pedal travel.

Details:

Buyer should verify this is the exact part needed before purchasing.

part #: 18g120 price

• $18.99

specifications drumhardwarbrak:

• brand: Gm
• mpn: 18g120
• type: Parts

seller drumhardwarbrak:

• city: Beaver Dam, WI
• # reviews: 17797
• rating: 99.7%

general drumhardwarbrak:

• Car Truck Parts Accessories > Brakes Brake Parts > Brake Drums
• condition: New

returns drumhardwarbrak:

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

payments drumhardwarbrak:

• other
• wallet: Paypal
• credit card: Discover

offer drumhardwarbrak:

• started: December 19, 2025
• availability: In Stock
• quantity: 2
• options: Ship-to-home
• sold: 0
• best offers: True

shipping drumhardwarbrak:

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

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