M1R Monotube Rear Shocks for Silverado/Sierra 1500 (1999-2007)
- Fits 1999-2007 Chevrolet and GMC 1500-series trucks in RWD, AWD, and 4WD - check your submodel in the fitment table
- Kit contents: 1 M1R monotube reservoir shock pair (rear)
- 46mm monotube body, 2-inch digressive piston, 16mm case-hardened chromed rod
- Galvanized zinc-plated finish with vulcanized natural rubber bushings
- Listed install time: 1-2 hours
- Covered by a 3 Year Limited Warranty. Shipping weight: 13.01 lb
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About this kit
M1R Monotube Rear Shocks, fitment-checked
Rough Country 770738RES_M is a pair of M1R monotube rear shocks with external reservoirs, sold for 1999-2007 Chevrolet and GMC 1500-series trucks in RWD, 4WD, and AWD forms. The 46mm monotube body runs a digressive piston and an internal floating piston, and the assembly carries a 3 Year Limited Warranty.
These M1R monotube rear shocks for the 1999-2007 Silverado 1500 and Sierra 1500 also cover the C1500, K1500, 1500 HD, and the Classic-badged 2007 applications listed in the fitment section, across RWD, AWD, and 4WD. The external reservoir and separated floating piston move heat away from the damping oil, while digressive valving handles rebound and compression independently as the surface changes. The 16mm chromed, case-hardened rod, 2-inch seamless extruded tube, galvanized zinc-plated finish, and vulcanized natural rubber bushings make up the rest of the build. Rough Country lists install time at 1-2 hours.
What’s in the box
Kit contents
- 1× M1R MONOTUBE RESI SHOCK PAIR 770738RESP
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 770738RES_M kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 770738RES_M |
| UPC / GTIN | 00840269975387 |
| Shipping weight | 13.01 lb |
| Warranty | 3 Year Limited Warranty |
| Country of origin | CN |
| Category | Suspension & Lift Kits › Shocks & Struts |
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