Brake Chamber 2.25" Standard Stroke 4.00" 90° - 179.SC20DB
Part#: AAA971SC20DB
Features and Benefits
- Service-only brake chamber for drum brake axle positions not requiring parking brake function
- Actuator type size 20 for correct service chamber selection on type-20 brake configurations
- Standard stroke type with 2.25" available stroke for standard drum brake geometry compatibility
- Stud spacing dimension ensures correct chamber-to-mounting bracket hole alignment
- Air port position enables correct air supply line routing on type-20 service brake installations
- Clampband position ensures correct service diaphragm orientation on 20-type chambers
Warranty
Up to 3 years warranty
Please contact customer service to know more details
| Actuator Type Size | 20 |
|---|---|
| Stroke Type | Standard |
| Available Stroke | 2.25 in. |
| A - Length from mounting bracket to end of Spring Housing | 4.00 in. |
| D - Dimension at Service Clampband | 8.60 in. |
| E - Stud Spacing | 4.75 in. |
| J - Pushrod Length from face of Service Housing | 10.20 in. |
| K - Distance to Clevis Pin centerline from face of Service Housing | Distance to Clevis Pin centerline from face of Service Housing |
| T - Air Port position | 90° |
| S1 - Service Clampband position | 0° |
| Weight | 7.50 lbs |
| Quantity | 1 |
| Interchange |
|---|
| 179SC20DB |
| 802282 |
| BW802282 |
| K052486 |
| SC20d |
The Brake Chamber is a standard stroke Type 20 design, engineered for reliable actuation on Heavy Duty commercial vehicle axle applications. Featuring 2.25" of available travel, the unit delivers consistent clamping force and dependable performance across a wide range of operational configurations.
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