The Automann MSRK53 Service Repair Kit is a premium aftermarket solution designed for the Watson & Chalin SL Series Steer Axles. This kit is the industry-standard replacement for the SRK14, offering a comprehensive overhaul package for commercial trucks and heavy-duty trailers.
Whether you are managing a fleet or maintaining your own rig, this kit ensures your lift axle maintains proper geometry, reduces tire wear, and restores original handling characteristics. Every component in the MSRK53 is manufactured to meet or exceed OEM specifications, providing long-term reliability in harsh road conditions.
Brand: Automann
SKU: MSRK53
Category: Suspension & Steering / Lift Axle Kits
Compatibility: Watson & Chalin SL Series (Steer Axle)
Replaces OEM Part: SRK14
This kit is compatible with the following part numbers:
Watson & Chalin: 12932-01, 1293201, 1293101, 12931-01
Other: L4032, E1981, R30198
Unlike partial kits, the MSRK53 includes every critical piece of hardware required for a professional-grade installation:
| Part Number | Description | Qty |
| TRK6004 | Torque Arm Kit (Reyco) | 4 |
| TRB7932 | Axle Connect Bushing (Watson & Chalin) | 2 |
| TRB7931 | Pivot Connect Bushing (Watson & Chalin) | 2 |
| MUBW184 | U-Bolt Washer (7/8in) | 8 |
| M4968 | Spring Bolt (Mack) | 2 |
| M4846 | Insulator Bolt (7/8in-14 x 7.5in) | 2 |
| WA9271 | Washer (7/8in) | 8 |
| LN106 | Lock Nut (ST 7/8in GR C) | 4 |
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