ACDelco ARW1209P G12 12V Ratchet Wrench Kit 3/8 Inch
- Item Torque: 45 ft-lb
- Head Style: Hex
- Operation Mode: Battery
- Measurement Standard: SAE (Inch)
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact 12 volt impact wrench built for lug nuts and light automotive fastener work, better suited to a glove box than a shop bench doing heavier bolts.
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ASIN: B07NBR63QYModel: ARW1209PCategory: Impact Drivers & Wrenches
Overview
The ACDelco ARW1209P is a 12 volt cordless impact wrench built for lug nuts and small fasteners. It fits ACDelco's cordless line and suits drivers who want a dedicated wrench for the trunk, garage or roadside tire change.
Impact wrenches trade finesse for speed, using rotational hammer blows to break loose fasteners that a standard drill would stall on. At 12 volts this model sits at the lighter end of the category, aimed at tire changes and light mechanical work rather than shop level torque. ACDelco sells it as part of a broader cordless system, so battery and charger compatibility across that line is worth checking before buying.
- 12 volt cordless impact wrench
- Built for automotive lug nut and fastener work
- Part of the ACDelco cordless tool line
- Compact form factor for storage in a vehicle
Who it's for
Drivers and home mechanics who want a dedicated tool for lug nuts, small bolts and light automotive maintenance. Not a fit for anyone doing suspension, engine or heavier fabrication work that calls for a full size, higher voltage impact wrench.
Pros and cons
- Compact size for glove box or trunk storage
- 12 volt platform keeps the tool light in hand
- Impact mechanism breaks loose seized lug nuts
- No published torque figure to compare against larger wrenches
- 12 volt output limits it to lighter fastener work
- No manufacturer description or buyer feedback in this listing
Performance notes
A 12 volt impact wrench delivers rotational hammer blows rather than steady torque, which is what lets it snap loose a seized lug nut without stalling. That mechanism tops out lower than higher voltage models, so output on this size tool suits fasteners in the automotive and light duty range rather than structural or heavy machinery bolts. Actual runtime and torque will depend on the battery pack used with it.
Specifications
| Brand | ACDelco |
|---|---|
| Model | ARW1209P |
| Dimensions & fit | |
| Item Weight | 0.44 poundslower than 93% of 184 impact drivers & wrenches |
| Item Length | 10 incheshigher than 57% of 128 impact drivers & wrenches |
| Power & efficiency | |
| Voltage | 12 voltslower than 76% of 171 impact drivers & wrenches |
| Construction & materials | |
| Material Type | Alloy Steel |
| Color | Blue |
| Finish Types | Polished |
| Included components | |
| Unit Count | 1 |
| Included Components | Battery, Charger, Ratchet Wrench |
| Package Quantity | 1 |
| Warranty & support | |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Other details | |
| Item Torque | 45 ft-lblower than 77% of 116 impact drivers & wrenches |
| Head Style | Hex |
| Operation Mode | Battery |
| Measurement Standard | SAE (Inch) |
| End Style | Socket End |
| Is Racheting | Yes |
| Is Non Sparking | No |
| Item Type Name | 3/8” Extended Ratchet Wrench Tool Kit |
| Set Name | G12 Series |
Closest rivals on specs
Milwaukee 2457-20 M12 Cordless Ratchet 3/8 Inch- Item Weight 0.44 vs 1 pounds (-56%)
- Item Torque 45 vs 35 ft-lb (+29%)
Milwaukee 3453-22 M12 Fuel 1/4 in Hex Impact Driver Kit- Item Weight 0.44 vs 1 pounds (-56%)
Milwaukee 2558-20 M12 Fuel Ratchet 1/2 Inch- Item Weight 0.44 vs 0.3 pounds (+47%)
- Item Length 10 vs 11.5 inches (-13%)
- Item Torque 45 vs 60 ft-lb (-25%)
Frequently asked questions
What is the ACDelco ARW1209P used for?
It is a 12 volt cordless impact wrench designed for automotive fastener work such as removing lug nuts and small bolts.
Is 12 volts enough for lug nuts?
A 12 volt impact wrench can typically break loose standard passenger vehicle lug nuts, though it will lag behind higher voltage models on stubborn or over torqued fasteners.