Slack Adjusters
140 ProductsBrake & Wheel End Brake & Wheel End Categories (22)
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Auto Slack Adjuster 1-1/2-10 X 5-1/2" R802317 139.1033 Handed Slack Adjuster 139.10331-1/2- 10 Spline, 5-1/2" Arm Length. Same As Automann 139.1033, Autocar 3947623, Euclid E11410, Euclid E-11410, Euclid...
- Regular price
- $79.99
- Sale price
- $79.99
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Auto Slack Adjuster 1-5/8-26 X 5" LH 135.2610 LH Auto Slack Adjuster 135.2610 MAN Bus Steer Axle LH. 1-5/8-26 Spline, 5 Arm. Same As Automann 135.2610, Haldex 79225,...
- Regular price
- $146.99
- Sale price
- $146.99
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Auto Slack Adjuster 1-5/8-26 X 5" RH 135.2611 RH Auto Slack Adjuster 135.2611 MAN Bus Steer Axle RH. 1-5/8-26 Spline, 5 Arm. Same As Automann 135.2611, Haldex 79226,...
- Regular price
- $146.99
- Sale price
- $146.99
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Auto Slack Adjuster 1-5/8-26 X 5.25" LH 135.2630 LH Auto Slack Adjuster 135.2630 MAN Bus Steer Axle LH. 1-5/8-26 Spline, 5-1/4 Arm. Same As Automann 135.2630, Haldex 79216,...
- Regular price
- $153.99
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- $153.99
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Auto Slack Adjuster 1-5/8-26 X 5.25" RH 135.2631 RH Auto Slack Adjuster 135.2631 MAN Bus Steer Axle RH. 1-5/8-26 Spline, 5-1/4 Arm. Same As Automann 135.2631, Haldex 79217,...
- Regular price
- $146.99
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- $146.99
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Auto Slack Adjuster 40010001 1-1/4-10 X 5-1/2" 135.1010 Automatic Slack Adjuster M-5099 1-1/4-10 Spline. 5-1/2" Arm, 5/8" Hole. Comes With Bushing To Make 1/2" Hole, Same As Automann...
- Regular price
- $81.99
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- $81.99
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Auto Slack Adjuster 40010002 1-1/4-10 X 5-1/2" 135.1019 Auto Slack Adjuster 135.10191.25-10 Spline, 5.5 Arm, 5/8 RH Offset. Same As Automann 135.1019, Euclid E-6907A, Euclid E6907A, Haldex 40010002,...
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- $81.99
- Sale price
- $81.99
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Auto Slack Adjuster 40010003 1-1/4-10 X 5-1/2" 135.1018 Auto Slack Adjuster 135.10181.25-10 Spline, 5.5 Arm. Same As Automann 135.1018, Euclid E-6906A, Euclid E6906A, Haldex 40010003, Haldex 400-10003, Haldex...
- Regular price
- $81.99
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- $81.99
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Auto Slack Adjuster 40010008 1-1/2-28 X 5-1/2" 135.2810 Auto Slack Adjuster 135.28101-1/2-28 Spline. 5-1/2" Arm. Same As Automann 135.2810, Haldex 40010008, Haldex 409-10663, Eaton 815821, Euclid E6905, Euclid...
- Regular price
- $81.99
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- $81.99
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Auto Slack Adjuster 40010009 1-1/2-28 X 5-1/2" 135.2815 Auto Slack Adjuster 135.28151-1/2-28 Spline. 5-1/2" Arm. Same As Automann 135.2815, Haldex 40010009, Haldex 409-10599, Euclid E6912, Euclid E-6912, Mack...
- Regular price
- $81.99
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- $81.99
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Auto Slack Adjuster 40010010 1-1/2-28 X 5-1/2" 135.2814 Auto Slack Adjuster 135.28141-1/2-28 Spline. 5-1/2" Arm. Same As Automann 135.2814, Haldex 40010010, Haldex 409-10600, Hladex 409-10164, Haldex 409-10305, Euclid...
- Regular price
- $81.99
- Sale price
- $81.99
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Auto Slack Adjuster 40010013 1-1/4-10 X 5-1/2" 135.1016 Automatic Slack Adjuster 135.1016 1-1/4-10 Spline X 5.5". Same As Automann 135.1016, Haldex 409-10172, Halddex 40910172, Haldex 400-10013, Haldex 40010013,...
- Regular price
- $77.99
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- $77.99
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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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