ACDelco G12 Series 12V Brushless 3/8 inch Cordless Impact Wrench 140 ft-lbs 190 Nm Max Torque 3600 RPM 4-Mode Intelligent Control Compact Body Bare Tool Only ARI12186-3T
ACDelco G12 Series 12V Brushless 3/8 inch Cordless Impact Wrench 140 ft-lbs 190 Nm Max Torque 3600 RPM 4-Mode Intelligent Control Compact Body Bare Tool Only ARI12186-3T
About this item
- High-Performance Brushless Motor: Delivers up to 140 ft-lbs (190 Nm) of maximum torque and 3,600 RPM. The advanced brushless (BLDC) motor provides 70% more power and efficiency compared to brushed models for professional automotive tasks
- 4-Mode Intelligent Control System: Features 4 electronic speed settings, including Intelligent Auto Stop and Speed Down modes. This allows for precise fastening, preventing over-torque and protecting nuts and bolts from damage
- Ultra-Compact Design for Tight Spaces: With an ultra-short head length, this 3/8-inch impact wrench is designed to fit into cramped engine bays and wheel wells where larger 18V tools cannot reach
- Heavy-Duty 3/8-Inch Square Drive Anvil: Equipped with a robust 3/8-inch square drive anvil, optimized for quick socket changes and heavy-duty mechanical repairs, suitable for under-car work and maintenance
- Trusted Brand Quality and Durability: The ACDelco brand has been synonymous with quality for over 100 years; our power tools are built for professionals who demand exceptional sturdiness and day-in, day-out reliability
- Built-In LED Work Light: Equipped with a super-bright LED light to illuminate dark work areas and keep you working efficiently in low-light environments such as under vehicles or inside engine compartments
- Real-Time Battery Indicator: Features a built-in battery level indicator that displays remaining power in real-time, allowing you to monitor battery status and plan your work accordingly without unexpected interruptions
Overview
- Brand: ACDelco
- Power Source: Battery Powered
- Maximum Rotational Speed: 3600 RPM
- Voltage: 12 Volts
- Amperage: 2 Amps
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Michael Turner — Chicago, Illinois
GarageNest has a practical selection of tools and vehicle-care supplies. The items I ordered were easy to understand, useful for regular maintenance, and simple to organize in my garage. Everything fit naturally into the way I already take care of my vehicle.
-
⭐⭐⭐⭐⭐
Daniel Foster — Austin, Texas
I found several useful garage essentials without having to search through unrelated products. The descriptions made it easier to compare the options, and the tools have been convenient for routine checks and small maintenance projects around the garage.
-
⭐⭐⭐⭐⭐
Lauren Mitchell — Denver, Colorado
I like that the products feel practical without being overly complicated. I picked up a few items for cleaning, inspection, and basic vehicle care, and they have helped make my garage setup more organized and my maintenance routine easier to manage.
-
⭐⭐⭐⭐⭐
Jason Reed — Portland, Oregon
The supplies I ordered fit well into my usual vehicle-care routine. They were straightforward to use, easy to store, and helpful for keeping frequently used tools and maintenance items ready whenever I need them.
Best Collections
-
Hand Tools
Explore dependable automotive hand tools for everyday maintenance, repairs, and garage projects....
-
Power & Specialty
Explore automotive power and specialty tools designed for demanding repairs, component removal,...
-
Diagnostics & Electrical
Explore automotive diagnostic and electrical tools designed for vehicle troubleshooting, battery maintenance,...
-
Lifting & Access
Explore automotive lifting and access equipment designed to support tire service, under-vehicle...
FAQ
What types of products does GarageNest sell?
GarageNest offers automotive maintenance tools, diagnostic equipment, battery accessories, lifting supplies, tire service tools, detailing products, garage organizers, work lights, and workshop safety essentials.
How much does shipping cost?
We generally charge a flat shipping fee of $6.90 per order. Any applicable shipping charge will be displayed at checkout before payment is completed.
How long does order processing take?
Orders are generally processed within 1–3 business days, Monday through Friday, excluding public holidays. Processing may take up to 5 business days during busy periods.
How long will delivery take?
Estimated delivery within the United States is 5–10 business days after processing. International delivery generally takes 10–20 business days. Delivery times are estimates and may vary.
How can I track my order?
Tracking information will be sent to the email address used during checkout when it becomes available. Tracking updates may take approximately 2–5 business days to appear after a shipping label is created.
Can I change or cancel my order?
Please contact us as soon as possible. Orders may be eligible for cancellation or modification within 12 hours only if processing or fulfillment has not started. Changes cannot be guaranteed.
What is your return policy?
Eligible unused and uninstalled products may generally be returned within 30 days of delivery. Products must include their original packaging, components, manuals, and accessories. Prior return authorization is required.
What should I do if my item arrives damaged, defective, or incorrect?
Contact us within 7 days of delivery and include your order number, a description of the issue, and clear photos of the product, packaging, and shipping label. Please keep all original materials until we provide instructions.
How do I know whether a product is compatible with my vehicle?
Review the product description, dimensions, part numbers, voltage requirements, installation details, and compatibility notes before ordering. Compatibility may vary by make, model, year, trim, engine, and previous vehicle modifications.
How can I contact GarageNest customer support?
Email us at livguevictfeit@gmail.com. Please include your order number when your question relates to a purchase. We generally respond within 1–2 business days, Monday through Friday.
Blogs & Tips
View all-
The Fluid Barrier: A Deep-Dive Analysis of Hydr...
Don't let a sudden fluid leak leave a permanent dark scar on your workshop floor. This deep-dive technical analysis exposes the flaws of using traditional clay litter and outlines an...
The Fluid Barrier: A Deep-Dive Analysis of Hydr...
Don't let a sudden fluid leak leave a permanent dark scar on your workshop floor. This deep-dive technical analysis exposes the flaws of using traditional clay litter and outlines an...
-
The Gravity Test: The Fatal Misconceptions of J...
Lifting a vehicle is the most hazardous task in home auto repair. Discover the hidden dangers of relying solely on hydraulic jacks and learn how to position jack stands safely...
The Gravity Test: The Fatal Misconceptions of J...
Lifting a vehicle is the most hazardous task in home auto repair. Discover the hidden dangers of relying solely on hydraulic jacks and learn how to position jack stands safely...
-
The Gravity Shield: 5 Crucial Rules for Organiz...
Stop wasting valuable wrenching time searching through chaotic tool piles. This practical organization guide reveals the 5 essential design rules for setting up a heavy-duty mechanic pegboard. Learn how steel...
The Gravity Shield: 5 Crucial Rules for Organiz...
Stop wasting valuable wrenching time searching through chaotic tool piles. This practical organization guide reveals the 5 essential design rules for setting up a heavy-duty mechanic pegboard. Learn how steel...