Description
Product Overview
The AOTPAT Brake Vacuum Pump is a vehicle‑specific replacement part crafted from high‑quality aluminum and featuring a precision gerotor design. Engineered to meet OE specifications (OE Number: 12686657 and related codes), it provides rapid vacuum generation for the brake system, ensuring prompt deceleration when needed. Dimensions are compact at 6 x 6.6 x 8 inches and it weighs 2.75 lb, making it easy to handle during installation. The pump incorporates high‑efficiency heat‑dissipation fins, a rational layout of cooling fans and vents, and an intelligent protection system that monitors performance and alerts to abnormal conditions.
Usage
Designed for front‑inner mounting on a range of Chevrolet and GMC models—including Equinox, Malibu, Blazer, Camaro, Colorado, Impala, Traverse, and Acadia—the pump is ideal for both original equipment replacement and performance upgrades. It excels in everyday commuting, highway cruising, and emergency braking scenarios where reliable brake boost is critical. 
Why Choose Us
AOTPAT combines OEM‑level engineering with premium materials to deliver durability and safety. The aluminum body resists corrosion and wear, while the gerotor mechanism minimizes energy loss for efficient operation. Our 2‑year unlimited‑mileage warranty underscores confidence in product longevity. Additionally, the intelligent protection system safeguards against overheating and pressure anomalies, extending the lifespan of both the pump and the brake system.
Key Features
- High‑quality aluminum construction for corrosion resistance and lightweight strength.
- Gerotor design provides fast, consistent vacuum boost for reliable braking.
- Advanced cooling fins and vent layout dissipate heat quickly, preventing overheating.
- Intelligent protection system monitors performance and alerts to faults.
- Vehicle‑specific fit for a wide range of Chevrolet and GMC models, ensuring easy installation.
FAQ
Is this pump compatible with my 2019 Chevrolet Camaro?
Yes. The pump matches OE numbers 12686657, 12654111, and related codes used in 2016‑2020 Camaro models.
Do I need special tools to install the pump?
The pump features a front‑mount design with standard bolt patterns, allowing installation with common hand tools and a torque wrench.
What does the intelligent protection system do?
It continuously monitors vacuum pressure, temperature, and flow rate, shutting down the pump and signaling an alert if parameters exceed safe limits.
Can I use this pump on a vehicle that originally had a different brand?
As long as the OE number matches your vehicle’s specification, the AOTPAT pump will function as a direct replacement regardless of the original brand.
What warranty does AOTPAT provide?
The pump comes with a 2‑year unlimited‑mileage warranty covering defects in materials and workmanship.





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