Product Introduction
A21-2901110 Long-life Durable Direct-fit Engine Mount for Chery
The A21-2901110 is a premium-grade strut mount engineered to deliver exceptional durability and restore like-new steering response. As a critical interface between the suspension strut and the vehicle chassis, its performance directly impacts ride quality, noise levels, and safety.Crafted from high-strength, fiber-reinforced polyamide, the housing offers superior resistance to cracking under constant stress. The precision-ground bearing is meticulously lubricated and sealed to withstand over 1 million cycles in fatigue testing, ensuring long-term, silent operation. This unit effectively absorbs road shocks and vibrations, providing a quieter cabin experience. Its advanced rubber compound is formulated to resist hardening in extreme temperatures ranging from -40°C to 120°C.This strut mount is a direct OEM-quality replacement, guaranteeing a perfect fit and restoring original handling characteristics without compromise. Invest in reliability and a smooth, quiet ride.
Product Advantage
1. Superior Bearing Durability for Precise Steering
Our strut mount features a high-precision, pre-lubricated bearing engineered for exceptional smoothness and longevity. It undergoes rigorous testing, exceeding 1 million rotational cycles under load without failure. This ensures consistently responsive steering and eliminates the binding or stiffness common in inferior replacements. The integrated seal provides superior protection against road contaminants and moisture, guaranteeing long-term, silent operation and reliable performance. This is a critical upgrade for maintaining exact steering alignment and feedback.2. Advanced Rubber Formulation for Vibration Damping
The core of this mount utilizes a specialized rubber compound formulated for optimal elasticity and resistance to environmental stress. It maintains its damping properties across an extreme temperature range, from -40°C to 120°C, preventing premature hardening or cracking. This advanced material effectively absorbs high-frequency vibrations and road shocks, translating to a significantly quieter and more comfortable cabin experience. Independent tests show over 90% reduction in transmitted vibration compared to worn-out OEM parts, ensuring a smooth, luxury-car ride quality.3. Reinforced Polyamide Housing for Structural Integrity
We've replaced standard materials with a fiber-reinforced polyamide housing that offers exceptional tensile strength and resistance to deformation under impact. This housing is designed to withstand the constant stress and dynamic loads of the suspension system, preventing structural failure that can lead to dangerous alignment issues. Its robust construction ensures the suspension geometry remains accurate, directly contributing to vehicle safety and predictable handling, especially on rough road conditions.4. OEM-Quality Engineering for a Perfect Fit
This component is manufactured to exact OEM specifications, guaranteeing a perfect, direct-fit replacement without any modifications required. Every dimension, bolt hole, and contour is precision-engineered for seamless installation. This eliminates the risk of installation errors, premature wear on connected components, and annoying NVH (Noise, Vibration, Harshness) issues. By choosing this mount, you are investing in a part that restores the vehicle's original handling characteristics and reliability.
Technical Parameters
| Parameter | Specification | Details / Standard |
| Part Number | A21-2901110 | - |
| Product Type | Strut Mount / Strut Bearing | - |
| Housing Material | Fiber-Reinforced Polyamide (PA66+GF30) | Offers high tensile strength and excellent resistance to impact and heat aging. |
| Bearing Type | Pre-lubricated, Single-row Thrust Ball Bearing | Sealed for life, ensuring smooth rotation and minimal steering effort. |
| Rubber Spring Pad | Synthetic Rubber (SBR/NR Blend) | Shore A Hardness: 65±5. Optimized for vibration damping and noise reduction.
|
| Operating Temperature Range | -40°C to +120°C | Guarantees performance integrity in extreme climatic conditions. |
| Dynamic Load Capacity | ≥ 1,200 kg | Tested per ISO 3790-1 standards for maximum safety and reliability. |
| Bearing Rotational Torque | ≤ 0.5 N·m
| Ensures exceptionally smooth and effortless steering response. |
| Standards Met | ISO 9001, IATF 16949 | Certifies consistent manufacturing quality and automotive-grade excellence. |
Product Uses
Here are specific application scenarios of Engine Mount:
1. Eliminating Suspension Noises and Knocking Sounds
If you hear persistent knocking, clunking, or rattling noises from the front wheels, especially when driving over bumps or turning the steering wheel, it's a primary indicator of a failing strut mount. The internal bearing or the rubber insulator has likely worn out, creating excessive play. Replacing it with our A21-2901110 restores a tight, quiet suspension system by eliminating this movement and absorbing impacts effectively.2. Restoring Precise Steering and Handling Response
A worn strut mount can cause a vague or loose steering feel, making the vehicle feel less responsive. You might experience unnecessary vibrations in the steering wheel or a slight delay in cornering response. Our precision-engineered mount secures the strut assembly firmly, ensuring that steering inputs are translated directly to the wheels, thereby restoring sharp, predictable handling and driver confidence.3. Correcting Abnormal Tire Wear Patterns
A severely deteriorated strut mount can compromise suspension geometry, leading to incorrect wheel alignment. This often manifests as uneven or accelerated tire wear, particularly on the inner or outer edges of the tread. Installing this OEM-quality mount ensures the suspension maintains its correct angles, protecting your tires from premature and costly replacement.4. As Part of Routine Suspension Maintenance or Strut Replacement
This strut mount is the ideal companion for any new shock absorber or complete strut assembly installation. Installing a new mount simultaneously prevents the old, worn-out component from compromising the performance and lifespan of your new struts. It is a recommended best practice for a complete and lasting suspension repair.5. Addressing Comfort Issues from Excessive Vibration
When the rubber component of the strut mount hardens or cracks, it loses its ability to dampen vibrations. This results in a harsher ride quality, where more road shock and high-frequency vibrations are transmitted into the vehicle's chassis and cabin. Our mount's advanced rubber formulation specifically targets this issue, significantly improving ride comfort.
Product Operate Guide
For your safety, always entrust the installation of this strut mount to a professional mechanic. The process requires specialized tools like a spring compressor and expertise in suspension systems. During installation, ensure the vehicle is properly supported and all fasteners are tightened to the manufacturer's specified torque settings. We highly recommend replacing strut mounts in pairs (both front left and right) to maintain balanced handling and optimal performance. This ensures the suspension system is restored to its original integrity.