ACDelco ARM601-4 Wrench
- Wrench
- 3.9 pounds
- 17.3 inches
- More reviewed than 61%
A long, heavy wrench from a trusted automotive brand, best suited to jobs needing extra leverage rather than everyday light use.
As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.
How it ranks among the 561 wrenches we track
4.3★ across 1,100 Amazon ratings, Bayesian-smoothed toward the category average.
1,100 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
100+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 561 wrenches we track - how the scorecard works · full wrenches data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
ACDelco ARM601-4 wrench measuring about 440 millimeters (17.3 inches) long and weighing 3.9 pounds, a size and heft that point to heavy-duty or automotive service use rather than a light hand tool.
This wrench's size sets it apart from a typical hand tool: at nearly 4 pounds and over 17 inches long, it carries far more mass than a standard combination wrench. ACDelco's catalog leans toward professional and OEM automotive service, and this listing follows that pattern, pointing to a specialty design built for extra leverage on stubborn fasteners.
- Brand: ACDelco, model ARM601-4
- Length: 440 millimeters (about 17.3 inches)
- Weight: 3.9 pounds
- Category: automotive-oriented wrench
Who it's for
Mechanics or serious DIYers needing extra reach and leverage on a single large fastener are the target here, not shoppers looking for a compact everyday wrench. The listing does not specify jaw or drive size, so confirm fitment against your bolt or nut before ordering.
Strengths and trade-offs
Drawn from this product's published specifications.
- Long 440mm length adds leverage
- Solid 3.9 pound build for heavy pulls
- Backed by ACDelco's automotive reputation
- Jaw size and exact fit not listed
- Size and weight limit use in tight spaces
Performance notes
The combination of a 17-plus inch length and nearly 4 pounds of weight means most of the tool's value comes from leverage rather than speed of use, useful when breaking loose a seized or over-torqued fastener. That same size and weight make it less practical for tight engine bays or repetitive quick turns.
Specifications
| Brand | ACDelco |
|---|---|
| Model | ARM601-4 |
| Item Weight | 3.9 pounds |
| Length | 17.3 inches |
How it compares
This product against the closest alternatives we track in wrenches.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| ACDelco ARM601-4 WrenchThis product | 4.3 / 5 | 1,100 | 3.9 / 5 |
| Amazon AMZ1715 WrenchAmazon | 4.7 / 5 | 14,700 | 4.6 / 5 |
| Wheeler 553556 WrenchWheeler | 4.8 / 5 | 17,300 | 4.6 / 5 |
| LEXIVON LX-145 WrenchLEXIVON | 4.8 / 5 | 14,700 | 4.6 / 5 |
| MALCO MSHMLC WrenchMalco | 4.8 / 5 | 14,300 | 4.6 / 5 |
Similar wrenches from other brands
Questions about the ACDelco ARM601-4
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How long is the ACDelco ARM601-4 wrench?
About 440 millimeters, or roughly 17.3 inches.
How much does it weigh?
3.9 pounds, notably heavier than a standard hand wrench.
Is this suited to light household use?
Its length and weight point more toward heavy-duty or automotive service work than everyday light tasks.