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For SANY truck owners and fleet managers, maintaining optimal suspension performance is non-negotiable for safety and efficiency. The genuine 4113A085 Bushing Rr Susp Lwr Arm is a precision-engineered OEM component critical for damping vibrations, absorbing road shocks, and ensuring precise articulation of the rear suspension’s lower control arm. As a fundamental element among SANY parts, the 4113A085 bushing guarantees an exact fit and restores the factory-designed handling and comfort of your heavy-duty vehicle.
Crafted from high-resilience materials, it withstands immense stress, constant torsion, and harsh environmental factors encountered in mining, construction, and long-haul transport. Investing in the authentic 4113A085 component prevents accelerated wear on adjacent suspension parts, reduces driver fatigue, and safeguards your cargo by ensuring stable and predictable vehicle dynamics.
Bushing Rr Susp Lwr Arm
Втулка нижнего рычага задней подвески
Buje del Brazo Inferior de la Suspensión Trasera
The 4113A085 bushing serves as a flexible pivot point within the rigid suspension linkage. Its primary role is to isolate the chassis from vibrations and impacts generated by tire contact with uneven road surfaces. By allowing controlled, compliant movement, the component absorbs kinetic energy that would otherwise transfer directly to the frame, significantly improving ride quality and reducing noise. Furthermore, it maintains the critical geometric relationship between the lower control arm and the axle or frame, ensuring consistent wheel alignment under dynamic loads.
The engineering behind the 4113A085 involves a sophisticated multi-material design. It typically comprises a durable outer steel shell for a secure press-fit into the suspension arm, bonded to an inner core of specialized elastomer—often high-density rubber or advanced polyurethane. This elastomer is formulated for exceptional resistance to compression set, ozone cracking, and degradation from oils and road chemicals.
The table below outlines the key technical data for the SANY 4113A085 Rear Suspension Lower Arm Bushing. This information is essential for verification of compatibility, procurement, and understanding the performance limits of this crucial suspension component.
| Parameter | Specification | Explanation |
|---|---|---|
| OEM Part Number | 4113A085 | Original Equipment Manufacturer Code |
| Product Name | Bushing Rr Susp Lwr Arm | Rear Suspension Lower Arm Bushing |
| Core Material | High-Performance Rubber Compound | Balances Flexibility with Durability |
| Outer Shell | High-Strength Steel, Coated | Prevents Corrosion, Ensures Secure Fit |
| Inner Diameter (ID) | Precise, Model-Specific Dimension | Accommodates the Mounting Bolt |
| Outer Diameter (OD) | Precise, Model-Specific Dimension | Matches the Lower Arm Bore |
| Width / Thickness | Engineered for Load Distribution | Optimizes Surface Area and Stability |
| Load Rating | Rated for Heavy-Duty Application | Withstands GVWR of Compatible Trucks |
| Temperature Range | -35°C to +110°C | Maintains Performance in Extreme Climates |
| Compatible Models | Specific SANY Dump Trucks & Haulers | Verify with VIN or Model Number |
Replacing the 4113A085 bushing is a technical task best performed with proper equipment. The procedure generally requires safely supporting the vehicle, relieving the suspension load, and removing the lower control arm. The old bushing must be pressed out using a hydraulic press or a dedicated bushing removal tool kit. Installing the new 4113A085 requires pressing it in evenly and squarely to avoid damaging the elastomer or distorting the metal sleeve. Critical to the process is torquing the central bolt to the manufacturer’s specification, which correctly pre-loads the bushing for optimal service life.
The 4113A085 part is designed as a direct OEM replacement for specific SANY truck models. Compatibility is paramount; always cross-reference the part number 4113A085 with your truck’s official parts catalog or use the VIN to confirm fitment. Using the correct bushing like the Bushing Rr Susp Lwr Arm ensures the suspension’s kinematic profile remains unchanged, preserving handling and tire wear characteristics.
When installing the 4113A085, use a silicone-based lubricant on the outer metal shell to ease pressing. Avoid petroleum-based greases, as they can degrade the rubber compound over time and compromise the bond.
The genuine 4113A085 bushing restores the precise damping and articulation intended by SANY engineers. This translates to sharp, predictable steering response, reduced body roll during cornering, and overall improved stability when the truck is laden or unloaded. The controlled flexibility of the 4113A085 is key to maintaining confident handling in all driving conditions.
By effectively isolating the cabin from road harshness, the 4113A085 significantly reduces driver fatigue on long shifts. A comfortable driver is a more alert and safe driver. Furthermore, a stable suspension maintained by a sound 4113A085 bushing contributes to better braking performance and overall vehicle control, directly impacting operational safety.
A worn bushing allows excessive, uncontrolled movement. This puts undue stress on the lower ball joint, shock absorbers, and even the frame mounting points. Replacing it with a new, robust 4113A085 acts as preventative maintenance, protecting these more expensive components from premature failure and saving on costly repairs down the line.
Timely replacement of the suspension bushing is crucial. Key indicators that your truck needs a new 4113A085 include audible clues like clunking or banging from the rear when traversing bumps or potholes. Drivers may feel increased vibration through the steering wheel or seat, and the vehicle may exhibit a “floaty” or imprecise feel, especially during lane changes or when carrying a load. Visible inspection may reveal cracks, splits, or chunks missing from the rubber, or the bushing may appear excessively compressed or misaligned.
Ignoring these signs and delaying the installation of a genuine 4113A085 replacement compromises vehicle safety and leads to accelerated, uneven tire wear. The 4113A085 is the specified solution because its material properties and dimensions are integral to the suspension’s designed performance. Substituting it with an inferior part can alter ride height, handling balance, and load distribution, potentially creating new safety concerns.
Extending the service life of your 4113A085 suspension bushing involves simple but consistent maintenance practices. Include a visual inspection of all suspension bushings during every major service interval. Look for signs of oil or grease contamination, which can soften and destroy the rubber. Check for physical damage from road debris. While the bushing is a wear item, keeping the surrounding area clean from caked mud and corrosive salts can help preserve the outer metal shell.
Listen for new noises during your daily vehicle checks. Have a mechanic check for bushing play during routine inspections by using a pry bar to test for excessive movement. Adhering to the vehicle’s recommended load limits also reduces stress on the 4113A085 and the entire suspension system. Proactive observation allows for planned replacement of the 4113A085, avoiding the downtime and safety risks associated with a sudden, complete failure on the job site.
In heavy machinery, every component is part of a carefully balanced system. The suspension, in particular, is a complex interplay of geometry, forces, and materials. The 4113A085 bushing is not a generic commodity; it is a precision part whose characteristics are calculated during the vehicle’s design phase. Its hardness, deflection rate, and dimensions are specific to the weight, powertrain, and intended use of the SANY truck model.
Therefore, choosing the authentic 4113A085 Bushing Rr Susp Lwr Arm is an investment in preserving the engineered integrity of your SANY truck. It ensures that replacement is truly a restoration, not an alteration. It guarantees material quality that withstands validation tests and comes with the assurance of the manufacturer’s standards. For operations where reliability, safety, and total cost of ownership are paramount, specifying the genuine 4113A085 part is the definitive and responsible choice for maintenance and repair.
If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.
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