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(888) 312-8812 Login SignupSpring Brake (S-Cam)
The Bendix Spring Brake is a combination actuator that pairs a service chamber with a spring-powered parking section for S-cam drum brakes. Its chamber size is expressed as two numbers, each giving the effective diaphragm area in square inches for the service and parking sides. The Bendix K139897 uses that spring section to apply the brake whenever parking or emergency air is exhausted. Service air then works through the front chamber for normal stops, so one unit covers both jobs at the wheel end.
| Cautionary Note(s) | Do not disassemble while park side is caged under pressure |
| Chamber Style | Double Diaphragm |
| Chamber Type / Size | T30/36 |
| Market Indicator | Aftermarket New |
| Stroke | 3.00 IN (76 MM) |
| Country of Origin (Primary) | MX |
| UPC | 04068078171202 |
| VMRS Code | 013004027 |
| Brand | Part Number |
|---|---|
| N/A | 802067 |
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