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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 Information | |||
|---|---|---|---|
| Product Line | Brakes | Category Name | Slack Adjusters |
| Part Type | Manual Slack Adjuster | Model | Bendix Style / PL-20 |
| OEM Part Number | 278323 | ||
| Application/Fitment Attributes | |||
| Application Type | Heavy Duty Trucks, Semi-Trucks | Compatible Brake Chamber Sizes | T-16, T-20, T-24 |
| Clevis Type | Straight | ||
| Dimensional/Physical Attributes | |||
| Material | Alloy Steel | Arm Bushing Inside Diameter | 1/2 in. |
| Arm Length Position 1 | 7 in. | Arm Length Position 2 | 6 in. |
| Arm Length Position 3 | 5 in. | Arm Offset | No Offset |
| Body Inclination Angle | 0 deg. | Clevis Thread Diameter | 5/8-18 UNF-2B |
| Slack Spline Count | 10 | Slack Spline Diameter | 1-1/2 in. |
| Technical/Performance Attributes | |||
| Maximum Operating Temperature | 158 deg. F (70 deg. C) | Maximum Torque | 26.000 In./Lbs. |
| Minimum Operating Temperature | (-40 deg. F) (-40 deg. C) | Operation Type | Tension Adjuster - Torque |
| Positive Lock Feature | Yes | ||
- Automann: 1341041
- Bendix: 278323
- BWP: M434
- Dayton Parts: 05-203
- Euclid: E-612S-BK, E612S
- Haldex: KN47001
- Meritor: R824000
Dimensions Not Available.