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Slack Adjuster Pricing
Current market data for 5,208 slack adjuster listings.
What you'll usually pay
$58 typical price
Most are between$30–$169
Brand new$58
Used$55.99
On sale now5,208
👉 In short easy summary
The market median price is 58. High-end brands like Mack and Bendix command a significant premium, with Mack priced 99% above the median.
💚 Best value for your money
Midland 68 on sale$55.72 · 4% cheaper
Unbranded 188 on sale$56.49 · 3% cheaper
1 Year 760 on sale$55.99 · 3% cheaper
Price by brand
Why? Prices vary by manufacturer, with Mack at 115.42 and Midland at 55.72.
Price by warranty
Why? Extended coverage increases cost, with 6 Month warranties at 74.29 compared to 1 Year at 55.99.
🛒 Some on sale right now
Common questions
What is the average cost of a new slack adjuster?
The median price for new units is 58.
Which brand is the most expensive on average?
Mack is the most expensive with a median price of 115.42.
Is there a price difference for used slack adjusters?
Used units have a median price of 55.99.
How we got these numbers
Worked out from 200 live eBay listings (price range $30–$169, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 17, 2026.