Peterbilt Magnum Shock Absorber 3919946 SA5033 341620 M85033 *Please Verify Your OEM Number Before Purchase Heavy Duty Monroe Shock Absorber Labeled (F) Front Or (R) Rear End Below Fits The Following Peterbilt Applications: Peterbilt: 375 (1996-1987) R 376 (1999-1988) R 377 (2001-1987) R 378 (2007-1... See More