The Fortpro Automatic Slack Adjuster (Crewson Style) is engineered as a heavy-duty alloy steel replacement for CB22103, servicing commercial semi-truck and heavy vehicle air brake systems. Designed with a dual arm length span of 5.0 in. and 6.0 in., this straight clevis tension adjuster features a 1.50 in. diameter 28-spline profile and 5/8-18 UNF-2B clevis threads. Built for 0-degree inclination and no offset, it maintains optimal brake shoe clearance and consistent fleet stopping performance.
Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.
Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.
Basic Part Information5 attributes
| Product Line | Brakes |
|---|---|
| Category Name | Slack Adjusters |
| Part Type | Automatic Slack Adjusters |
| Model | Crewson Style |
| OEM Part Number | CB22103 |
Application/Fitment Attributes3 attributes
| Application Type | Heavy Duty Trucks, Semi-Trucks |
|---|---|
| Compatible Brake Chamber Sizes | Multiple |
| Clevis Type | Straight |
Dimensional/Physical Attributes8 attributes
| Material | Alloy Steel |
|---|---|
| Arm Length Position 1 | 6 in. |
| Arm Length Position 2 | 5 in. |
| Arm Offset | No Offset |
| Body Inclination Angle | 0 deg. |
| Clevis Thread Diameter | 5/8-18 UNF-2B |
| Slack Spline Count | 28 |
| Slack Spline Diameter | 1-1/2 in. |
Technical/Performance Attributes5 attributes
| Auto-Check Indicator Included | No |
|---|---|
| Maximum Operating Temperature | 158 deg. F (70 deg. C) |
| Maximum Torque | Torque <10 or >33 ft-lb |
| Minimum Operating Temperature | (-40 deg. F) (-40 deg. C) |
| Operation Type | Tension Adjuster - Torque |
- Automann: 1362830
- Crewson: CB22103, CI22103
- Euclid: E-6993A. E-6993, E-6993B
- Haldex: CS52321
- Mack: 25QD419P4
- Meritor: R806964, R806953
- PAI: 802670
- Spicer: 11-355, 11-511, 11-515, 11-519
