Monroe 557012 - Rear Suspension Shock Absorber

Build Quality & Materials

• Manufactured using durable materials designed to withstand repeated compression, rebound and road-induced forces.
• Precision-engineered internal components help provide consistent damping performance under varying driving conditions.
• Protective coatings and seals help resist corrosion, moisture and debris for extended service life.

Installation Notes

• Support the vehicle securely and relieve suspension load before removal or installation.
• Follow manufacturer-recommended procedures when installing ride control components.
• After installation, road test the vehicle to verify proper operation and ride quality.

Why Choose Monroe?

Monroe sets the standard in suspension and ride control by combining engineering expertise with practical performance. Their products are crafted to enhance driving comfort, improve vehicle handling, and maintain stability across diverse road conditions. From everyday commutes to challenging terrain, Monroe parts are designed to support safe, confident driving.

• Expertly engineered to address common suspension challenges and optimize vehicle dynamics.
• Designed for reliable performance, helping vehicles handle smoothly and predictably.
• High-quality materials and construction ensure lasting strength and consistent function.
• Widely trusted by drivers and professionals for dependable, everyday ride control solutions.

Monroe Engineering Advantage

Featuring advanced technology, the Monroe® Magnum® RV shock absorber combines a gas charge and full displaced valving to reduce bounce and wander of your recreational vehicle for superior performance.

Shipping & Warranty

• Fast U.S. shipping from our warehouse on business days.
• Free returns if the part does not fit or you are not satisfied (see store policy for details).
• 1-year warranty on this part from date of purchase.

Item Specifics (Technical)

• Compressed Length: 13.625 IN / 346.1 MM
• Dust Shield Included: Yes
• Dust Shield Material: Metal
• Extended Length: 20.5 IN / 520.7 MM
• Gas Charged: Yes
• Hydraulic Lockout: Yes
• Includes Bump Stop: No
• Internal Rebound Bumper: No
• Lower Mount Code: LS54
• Lower Mount Type: Loop Bushing and Sleeve Mount - 3/4" Sleeve ID X 1.3/4" Sleeve OAL
• Parts Pack(s): None
• Shock Absorber Body End Measuring Point: Center of Loop
• Shock Absorber Rod End Measuring Point: Center of Loop
• Travel Length: 6.875 IN / 174.6 MM
• Upper Mount Code: LS54
• Upper Mount Type: Loop Bushing and Sleeve Mount - 3/4" Sleeve ID X 1.3/4" Sleeve OAL

Interchange Part Numbers

• ABPN32G900030
• B462546M100
• OE14155
• ABPN32O900030
• HD12150150
• 1614668000
• 1616873000
• 1616736000
• 90044769
• 90045188
• 1809923
• 1583470
• 9180231
• B462092
• A85910
• M85910
• 557012
• 555008
• 85029

Vehicle Compatibility

Position: Rear

• 1995-2005, 2009-2015 Freightliner XB Line — Notes: with ARD200 Suspension; Shock Absorbers are 1.75 In. Bore Diameter; Replaces Original Part Number(s) 1616736000;
• 2003, 2005-2012 Freightliner XC Straight Rail — Notes: 20000 lb GVW and Over; with Neway ADL200 Suspension; Shock Absorbers are 1.75 In. Bore Diameter; Replaces Original Part Number(s) 1616736000 / 1616873000;
• 2003-2005 Freightliner XC — Notes: 20000 lb GVW and Over; with Neway ADL200 Suspension; Shock Absorbers are 1.75 In. Bore Diameter; Replaces Original Part Number(s) 1616736000 / 1616873000;
• 2002 Freightliner XC — Notes: 23000 lb GVW and Over; with AD160 Suspension; with AD200 Suspension; Replaces Original Part Number(s) 1614668000;
• 2003-2005 Freightliner XC — Notes: 23000 lb GVW and Over; with ADL200 Suspension; Shock Absorbers are 1.75 In. Bore Diameter; Replaces Original Part Number(s) 1616736000;
• 2002-2004 Freightliner XC — Notes: To 22000 lb GVW; Shock Absorbers are 1.75 In. Bore Diameter;