Slack Adjusters
140 ProductsBrake & Wheel End Brake & Wheel End Categories (22)
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Auto Slack Adjuster 40020215 1-1/2-10 X 5-1/2" 133.S1040 Auto Slack Adjuster 40020215 1-1/2-10 X 5-1/2" 133.S1040. Same As Automann 135.S1040, Haldex 409-20000, Haldex 40920000, Haldex 400-20215, Haldex 40020215,...
- Regular price
- $122.99
- Sale price
- $122.99
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Auto Slack Adjuster 40020216 1-1/2-10 X 6" 135.S1041 S-ABA Slack Adjuster 135.S1041 1-1/2-10 Spline, 6" Arm. Same As Automann 135.S1041, Haldex 40020216, Haldex 400-20216, Haldex 409-20004, Haldex 40920004,...
- Regular price
- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020217 1-1/2-10 X 6" 135.S1043 S-ABA Slack Adjuster 135.S10431-1/2-10 Spline, 6" Arm. Same As Automann 135.S1043, Haldex 40020217, Haldex 400-20217, Haldex 409-20020, Haldex 135.S1043, IHC...
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- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020223 1-1/2-10 X 6" 135.S1050. Same As Automann 135.S1050, Haldex 400-20223, Haldex 40020223, Haldex 409-20005, Haldex 40920005. ...
- Regular price
- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020225 1-1/2-28 X 6" 135.S2836 Auto Slack Adjuster 40020225 1-1/2-28 X 6" 135.S2836. Same As Automann 135.S2836, Haldex 40020225, Haldex 400-20225, Haldex 409-20007, Haldex 40920007,...
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- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020226 1-1/2-10 X 5-1/2" 135.S1038 S-ABA Slack Adjuster 135.S1038 1-1/2-10 Spline, 5-1/2" Arm. Same As Automann 135.S1038, Haldex 40020226, Haldex 400-20226, Haldex 409-20001, Haldex 40920001,...
- Regular price
- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020228 1-1/2-10 X 5-1/2" 135.S1031 S-ABA Slack Adjuster 135.S10311-1/2-10 Spline, 5-1/2" Arm. Same As Automann 135.S1031, Haldex 40020228, Haldex 400-20228, Haldex 409-20017, Haldex 40920017, Mack...
- Regular price
- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020229 1-1/2-28 X 5-1/2" 135.S2810 S-ABA Slack Adjuster 135.S28101-1/2-28 Spline, 5-1/2" Arm. Same As Automann 135.S2810, Haldex 40020229, Haldex 400-20229, Haldex 409-20018, Haldex 40920018, IHC...
- Regular price
- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020231 1-1/2-28 X 5-1/2" 135.S2835 S-ABA Slack Adjuster 135.S2835 1-1/2-28 Spline, 5-1/2" Arm. Same As Automann 135.S2835, Haldex 40020231, Haldex 400-20231, Haldex 409-20019, 40920019, 409-10861,...
- Regular price
- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020233 1-1/2-10 X 6" 135.S1030 S-ABA Slack Adjuster 135.S10301-1/2-10 Spline, 6" Arm. Same As Automann 135.S1030, Haldex 40020233, Haldex 400-20233, Haldex 409-20021, Haldex 40920021, Mack...
- Regular price
- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020234 1-1/2-28 X 6" 135.S2830 S-ABA Slack Adjuster 135.S2830 1-1/2-28 Spline, 6" Arm. Same As Automann 135.S2830, Haldex 40020234, Haldex 400-20234, Haldex 409-20023, Haldex 40920023,...
- Regular price
- $128.99
- Sale price
- $128.99
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Auto Slack Adjuster 40020235 1-1/4-10 X 5-1/2" 135.S1014 S-ABA Slack Adjuster 135.S10141-1/4-10 Spline, 5-1/2" Arm. Same As Automann 135.S1014, Haldex 40020235, Haldex 400-20235, Haldex 409-20040, Haldex 40920040, Mack...
- Regular price
- $128.99
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- $128.99
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Slack Adjusters Overview
The slack adjuster is the lever between the brake chamber push-rod and the S-cam; it multiplies force and, in automatic form, maintains proper shoe-to-drum clearance as linings wear. Out-of-adjustment slack adjusters are a top DOT out-of-service item. Van Horn Truck Parts carries automatic and manual slack adjusters cross-referenced to Haldex, Meritor, Bendix, and Automann part numbers.
Match the slack adjuster by spline count and diameter, arm length, and offset, and confirm automatic vs. manual.
Mechanic & Fitment Specs:
- Types: Automatic, manual
- Match by: Spline count/diameter, arm length, offset
- Cross-references: Haldex, Meritor, Bendix, Automann
- Buying tip: Automatic adjusters still need periodic inspection — don't assume set-and-forget
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