The MONROE MAGNUM 65528 shock absorber is a high-quality rear shock made of steel, offering 100% accuracy of fit for your vehicle. Manufactured in the United States by Monroe, this gas shock absorber ensures smooth and reliable suspension performance. With easy installation and a focus on precise engineering, this new in box shock is a dependable choice for enhancing your car's steering and handling capabilities. FITS THE FOLLOWING VEHICLE APPLICATIONS: 2007-22 KENWORTH T270 2003-20 PETERBILT 330 REAR 2005-10 PETERBILT 335 REAR 2010-18 336 REAR 2008-20PETERBILT 365 REAR 2008-18 PETERBILT 367 REAR 2003-09 PETERBILT 379 REAR 2008-16 PETERBILT 384 REAR VOLVO FE VARIOUS MODELS