Heavy Duty Shock Absorber Fits Western Star 4800, 4900, 5800, 5900 & 6900

Bulldog HD shocks are fleet tested and approved. This is a premium rear replacement shock reengineered to be better than the factory part that came with your truck. It features a proprietary valve design, has 2X stronger welds, and is designed to maintain performance for over 2.4 million cycles. This Bulldog HD rear shock absorber replace OE part numbers 35901-0022, 3919571, 90044878, and 90044907.

* High Quality Shock Absorber
* Piston Rod Is Chrome Plated And Micro-Polished For Low Friction And Extended Life
* Specially Designed Stop Control To Prevent Rod Punctures And Valve Damage
* Square Groove PTFE Piston Seal For Low Friction
* Heavy Duty Robotic Welding With The Highest Breakpoint Rating In The Industry
* Highest Rated Alt/Spray Surface Corrosion Resistance, 42 Micron Surface Finish, In The Industry
* A Seamless Inner Working Tube For Superior Concentricity
* Inner Tube Wall Is 40% Thicker Than The Competition
* Upper Valve Package Is 100% Disk Technology
* Fully Functioning Lower Valve Package
* Nitrogen Gas Charged For Enhanced Performance
* Robotic 360 Degree Welds
* Highest Weld Strength In the Industry
* Propriety Value Design For Long Lasting Compression And Rebound Performance
* Brushing Rubber Formulation With Lowest Levels Of Filler
* OE ENOS Synthetic To Perform From -40 F To 340 F
* Double Lip Seal Design To Reduce Excessive Misting And Extend Damping Life Cycle
* 13.39 Compressed Length
* 21.73 Extended Length
* 8.35 Stroke
* Sold Individually
* Warranty On Shock Against Defects In Workmanship & Material From Date Of Purchase

*** High Quality Aftermarket Replacement Part (Not OEM)**** Replaces OE Number(s) 35901-0022; 3919571; 90044878; 90044907

***|** This Item Ships From Another Location And Will Arrive In A Separate Package. If You Order Other In Stock Items From 4 State Trucks Along With This Part, You May Choose The Shipping Method For Those Other Items.**

** This Item Ships Direct From The Manufacturer And Will Arrive In A Separate Package And Possibly A Different Time Than The Balance Of Your Order **