
16186015 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $89.99 | Condition is Used, Delco QMT DRAC Module VSSB Module Buffer - Chevy GMC TBI & Diesel - Tested, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $155.00 | Condition is Remanufactured, Reman Delco QMT DRAC Module VSSB Module Buffer - Chevy GMC TBI & Diesel - Tested, shipping cost = $13.99 | 100.0% |

The ACDelco 16186015 Delco QMT DRAC Module VSSB Buffer is a crucial component for the fuel system in certain Chevrolet and GMC TBI (Throttle Body Injection) diesel vehicles. This module, which is also known as the Vehicle System Stabilization Buffer (VSSB), plays a vital role in regulating the voltage in the vehicle's electrical system.
This Delco QMT DRAC Module is specifically designed to work with specific diesel applications. It is engineered to provide improved system performance and reliability, ensuring a smoother and more efficient driving experience. The VSSB buffer helps to maintain a consistent voltage level, which is essential for the proper functioning of various vehicle systems, including the fuel injection system and the engine control module.
The ACDelco 16186015 is a direct replacement for the original equipment, ensuring a perfect fit and reliable operation. It comes in a durable and robust housing, designed to withstand the harsh conditions of a vehicle's engine bay. The module is easy to install, with clear and concise installation instructions provided in the packaging.
The Delco QMT DRAC Module VSSB Buffer also features advanced diagnostic capabilities, allowing technicians to easily identify any potential issues. This can help to reduce diagnostic time and save on repair costs. The module is also covered by a comprehensive warranty, providing peace of mind to the vehicle owner.
In summary, the ACDelco 16186015 Delco QMT DRAC Module VSSB Buffer is an essential component for the fuel system in certain Chevrolet and GMC TBI diesel vehicles. It helps to regulate voltage levels, ensuring improved system performance and reliability. The module is a direct replacement for the original equipment, is easy to install, and features advanced diagnostic capabilities, making it an ideal choice for vehicle owners and repair professionals.
Pros and Cons of buying a ACDelco 16186015 Delco QMT DRAC Module VSSB Buffer for Chevy GMC TBI Diesel
The ACDelco 16186015 Delco QMT DRAC Module VSSB Buffer is a crucial component in the fuel system of Chevy and GMC TBI (Throttle Body Injection) diesel engines. This part ensures the proper functioning of the vehicle's VSSB (Vehicle Speed Sensor Bus) and helps maintain the engine's performance. In this analysis, we will discuss the pros and cons of purchasing this particular ACDelco part.
Pros:1. Enhanced Fuel Efficiency: A faulty VSSB buffer can lead to poor fuel efficiency. By replacing this component, you can improve your vehicle's overall fuel economy.
2. Smoother Engine Performance: A malfunctioning VSSB buffer can cause rough idling, hesitation, or even stalling. Replacing this part ensures a smoother engine operation.
3. Reduced Emissions: A properly functioning VSSB buffer helps in maintaining optimal engine performance, which ultimately leads to reduced emissions.
4. OEM (Original Equipment Manufacturer) Replacement: The ACDelco 16186015 is an OEM replacement part, ensuring a perfect fit and function as designed by the vehicle manufacturer.
5. Reliable Brand: ACDelco is a reputable and trusted automotive parts manufacturer, providing high-quality aftermarket parts for various vehicle makes and models.
Cons:1. Cost: The ACDelco 16186015 may be more expensive compared to aftermarket alternatives. However, its OEM quality and reliability make it a worthwhile investment for many consumers.
2. Installation Complexity: Installing this part may require professional assistance, especially for those without extensive automotive knowledge or experience.
3. Availability: This part might not be readily available at local auto parts stores, and you may need to order it online, which could result in a longer wait time for the repair.
Conclusion:The ACDelco 16186015 Delco QMT DRAC Module VSSB Buffer is a crucial component in the fuel system of Chevy and GMC TBI diesel engines. Its benefits, including enhanced fuel efficiency, smoother engine performance, reduced emissions, OEM replacement, and the reliability of the ACDelco brand, outweigh the potential drawbacks, such as cost, installation complexity, and availability. Ultimately, it is a wise investment for those seeking optimal engine performance and longevity in their diesel vehicles.
Recommendation:If you own a Chevy or GMC TBI diesel vehicle and are experiencing issues related to the VSSB buffer, it is recommended to replace the faulty component with a new, high-quality part like the ACDelco 16186015. This investment will not only improve your vehicle's performance but also ensure its longevity. If you are unsure about the installation process, consider seeking professional assistance from a certified mechanic to ensure a proper installation.
Details:
I do not offer programming services. Most ecm, BC, Cm, ignition switches/immobilizers, and factory radios will need programmed. Item is described to the best of my understanding but may have minor scuffs or scratches not noticed in inspection.
If there is an issue with item please reach out to me resolve the matter and I will do my best correct it. If your connector is broken splice one of the included pieces in, if not disregard item. I do my best to clean items before they are posted but unfortunately never perfect. Item is used and in working condition.
Please verify what you are in need of before purchasing order to avoid any issues. I do my best to be as accurate possible and would never intend mislead anyone.
specifications perfoelectric:
- for makes: Chevy, Gmc
- brand: Acdelco
- mpn: 16186015
- part type: Module
- performance part: Yes
- manufacturer warranty: 30 Day
- country of origin: Singapore
seller perfoelectric:
- city: montgomery, pennsylvania
- # reviews: 3679
- rating: 99.8%
payments perfoelectric:
- other
- wallet: paypal
- credit card: visa
offer perfoelectric:
- in stock #: 2
- started: may 19, 2026
- prices: $89.99–$155.00
- item condition:
- Used
- Remanufactured
- availability: in stock
- options: ship-to-home
- sold #: 8
general perfoelectric:
- category: Auto Parts > Electrical Components
returns perfoelectric:
- time: 30 days
- policy: returns accepted
- paid by: seller
shipping perfoelectric:
- class: standard
- carrier: usps
- transit: 3-8 days
- service: usps ground advantage
- type: fixed
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