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| Arm Length | 6 in. |
| Chamber Size | 30 |
| Clevis Thread Diameter | 5/8 in. |
| Clevis Threads per inch | 18 |
| Clevis Type | Straight |
| Notes | Yellow Piston, Drum Brake |
| OE Manufacturer | Meritor |
| Production Part Number | A15-3275-J-1154 |
| Recommended Clevis Kit | R810019 |
| Related Unclevised Number | R803112 |
| Spline Diameter | 1-1/2 in. |
| Spline Quantity | 28 |
Designed for on-highway, linehaul, and vocational applications, the Meritor automatic slack adjuster optimizes brake performance with increased payload capacity and longer camshaft bracket life. It is also the only slack adjuster in the market that adjusts with every chamber stroke.