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At the wheel-end brake system, the MGM Brakes Air Brake Chamber converts compressed air into mechanical force that applies the brakes. This MJS3030ET model features a 3.00-inch stroke, which defines how far the pushrod travels during brake application. Air chambers in this category operate as the force-generating component that moves the slack adjuster and brake linkage. Because stroke length and chamber size influence braking behavior, this configuration is tied to specific brake system setups. The MGM Brakes MJS3030ET051 delivers that air-to-mechanical conversion within the brake chamber assembly.
| Breather Tube | Breather Tube |
| Chamber Type | Piston Brake |
| Diaphragm Diameter | Rubber IN |
| Mounting Bolt Length | 1.540 IN |
| Mounting Bolt Thread | 5/8-11 |
| Port Size | 3/8-18 NPTF |
| Spring Size | 30 |
| Service Size | 30 |
| Stroke | 3.00 IN |
| UNIT | Aftermarket |
| Diaphragm | Rubber |
| Rod Diameter | 5/8 |
| Push Rod Length - no yoke | 8.00 |
| Country of Origin (Primary) | US |
| 2 | |
| VMRS Code | 013004000 |
| Brand | Part Number |
|---|---|
| MERITOR | A833276D30, C933276D30 |
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