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OEMTOOLS 25252 Automatic Slack Adjuster Tool and Wrench, Efficient Brake Adjustment Tool for Semi Trucks, Air Brake and Slack Adjuster Tools

4.7 (10) Write Review
Free shipping on orders over $29.99

$28.95

$ 14 .99 $14.99

In Stock

About this item

  • Precise Brake Adjustments: Easily adjust your semi truck’s brakes with this essential slack adjuster tool, featuring an angled head for extra hand clearance and precise adjustments on air brake systems and drum brake adjustment tasks.
  • Efficient Slack Release: The fork-end tool securely retains the tensioner release button without causing damage, ensuring safe and efficient brake adjustments on heavy truck tools, ideal for both professional mechanics and diesel mechanics.
  • Versatile Ratchet Wrench: The double square offset reversible wrench with an E-Z Grip handle simplifies brake booster adjustments and spring brake tool tasks, enhancing comfort and reducing hand fatigue during prolonged use.
  • Quick Direction Changes: The side-mounted forward/reverse lever allows for easy direction changes, streamlining the process of adjusting slack adjusters and making this tool indispensable for semi truck brake tools and semi brake spring tool tasks.
  • Durable and Reliable: Built for heavy-duty use, this tool speeds up installations on Meritor brake slack adjusters, making it a trusted choice among diesel mechanic tools and essential for any trailer brake adjustment tool kit.


The OEMTOOLS 25252 Automatic Slack Adjuster Release Tool and Wrench is an essential addition to any diesel mechanic's toolbox. Designed for use with semi trucks and heavy-duty vehicles, this tool simplifies brake adjustments with precision. The angled 5/16-inch double square ratchet head provides extra hand clearance, making it easier to access tight spaces. The fork-end tool securely retains the tensioner release button, preventing damage during brake service. With a side-mounted forward/reverse lever, changing directions is quick and effortless, allowing you to work efficiently on brake booster adjustments and drum brake adjustment tasks. The E-Z Grip handle ensures comfort during extended use, reducing hand fatigue and enhancing control. Whether you’re handling air brake tools, slack adjuster pullers, or brake shoes adjustment tools, the OEMTOOLS 25252 speeds up installation on Meritor® slack adjusters, making it a reliable choice for maintaining your semi truck’s brake system. Perfect for professional mechanics, this versatile tool is ideal for a wide range of brake service tasks, including using slack adjuster wrenches and brake spring tools for semi trucks. Invest in the OEMTOOLS 25252 for precise, reliable brake maintenance.


Jennifer Losee
2025-09-02 10:30:53
Good tool does the job
None
2025-08-17 17:45:42
Good quality.Use it everyday
Charlie Lammers
2025-06-21 12:07:16
Made adjusting my brakes faster and easier. Great tool. Well made.
Robert Dager
2025-06-11 18:11:31
The fork is about an inch longer than need be but works well
Customer
2025-06-02 11:03:06
Helps me with D.o.t. inspections
Felix Polanco
2025-05-23 10:23:35
Great
CGibson11
2025-03-14 14:15:01
These are sturdy tools and work very well. My only complaint is they are a little pricey.
Tyler ebbott
2025-03-12 17:07:35
Really good design works as intended
Rich
2024-12-24 17:07:52
Sadly i have give this a huge thumb down...broke first time i tried to use it and yes i know how.
Kenneth
2024-12-22 09:50:09
Great tool for those damn square headed slack adjusters only 4 star it cost to much.**** Update I've have only used this tool a handful of times and now it's broken I could of just bought 20 seperate 5/16 wrenches would of bent a couple but would still have done working ones