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Rancho RS77331 Suspension Shock Absorber - Front
Rancho RS7MT Front Shock for Jeep Wrangler
The Rancho RS7MT RS77331 is a front suspension shock absorber built for Jeep Wrangler and Wrangler JK applications with a 4.0-inch front raised height. This monotube, gas-charged shock is tuned for on-road control and off-road handling, with heat dissipation that supports demanding trail use and larger wheel and tire packages.
Key Features
- Monotube, single-tube construction for consistent damping response
- Gas charged design for stable performance under load
- Integrated dirt wiper sealing system helps keep debris out
- Hardened piston rod resists scuffs and corrosion
- Internal rebound bumper smooths suspension movement over rough terrain
- Black painted steel body with a 1.97-inch cylinder diameter
- Front shock absorber with stem upper mount and loop (eyelet) lower mount
- Extended length: 26.61 in; compressed length: 17.01 in; stroke: 9.6 in
Product Details
Built for the front suspension on 2007-2017 Jeep Wrangler and 2018 Jeep Wrangler JK models with a 4.0-inch front raised height, the Rancho RS7MT RS77331 supports extended travel and maximum suspension articulation when used with Rancho suspension systems RS66102B, RS66114B, and RS66115B. The RS7MT line focuses on precision handling and heat management, making it a practical choice for Jeep Wrangler owners running lifted setups and larger tire packages. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Issues This Shock Can Address
- Excessive front-end bounce after bumps or dips
- Reduced control on rough roads and uneven trails
- Heat-related fade during extended off-road driving
- Suspension instability on lifted Jeep Wrangler setups
- Debris intrusion around the shock rod and seal area
Installation Notes and Tips
Fits 2007-2017 Jeep Wrangler, front, and fits 2018 Jeep Wrangler JK, front, with Front Raised Height 4.0 in. Verify suspension lift height, mount style, and available travel before installation. This shock uses a stem upper mount and a loop (eyelet) bushing-and-sleeve lower mount, so confirm the vehicle’s front mounting points match RS77331 before ordering. For best results, install as part of a matched Rancho suspension system and inspect related bushings, mounts, and hardware condition during service.
Quality Assurance
Rancho RS7MT shocks are engineered as performance suspension components with a monotube design, corrosion-resistant rod treatment, and sealed dirt protection for demanding street and trail use. Part number RS77331 is built to support front suspension service on confirmed Jeep Wrangler and Wrangler JK fitments.
| Brand | Rancho |
|---|---|
| Part Number | RS77331 |
| Position | RS7MT, Front |
| 10526 | Progressive |
| 10527 | No |
| 10528 | No |
| 10529 | No |
| 10530 | Passive |
| 10531 | Painted |
| Compressed Length | 17.01 |
| Compressed Length | 432.1 |
| Travel Length | 243.8 |
| Travel Length | 9.6 |
| Rod Diameter | 14 |
| Body Color | Black |
| Color | Black |
| Finish | Painted |
| Cylinder Material | Steel |
| Type | Telescopic |
| Mounting Hardware Included | Yes |
| Cylinder Outside Diameter | 1.97 |
| Cylinder Outside Diameter | 50 |
| Internal Construction Type | Single tube |
| Grade Type | Performance |
| Extended Length | 26.61 |
| Extended Length | 675.9 |
| Shock Stroke | 243.8 |
| Shock Stroke | 9.6 |
| Shock Absorber Rod End Measuring Point | Center of loop |
| Shock Absorber Body End Measuring Point | Base of stem |
| Lower Mount Type | Loop (eyelet) bushing and sleeve |
| Upper Mount Type | Stem |
| Boot Included | No |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Jeep | Wrangler JK | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2017 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2016 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2015 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2014 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2013 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2012 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2011 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2010 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2009 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2008 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
| 2007 | Jeep | Wrangler | Front | with Front Raised Height 4.0 (in); Use with Rancho RS66102B, RS66114B, RS66115B System(s); with Rancho Suspension System; with Front Raised Height 4.0 (in); Extended Travel Shock Absorber - for Maximum Suspension Articulation; RS7MT |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.