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A21-2909010
HongPro
A21-2909010
Crafted from custom high-strength steel (tensile strength ≥580MPa), this control arm undergoes 1.2 million cyclic fatigue tests—exceeding IATF 16949’s standard of 1 million. Compared to generic options, its lifespan is extended by 30%, making it ideal for rough roads or heavy loads. Our 7 years in auto aftermarket have refined this material to handle real-world wear without compromise. (Keywords: high-strength steel control arm, fatigue-tested control arm)
Using CAD/CAE simulations, we optimized the control arm’s geometry to match original installation tolerances (≤0.02mm). Real-world tests show it cuts road noise by 15% vs. universal parts while reducing ball joint/mount wear. This “quiet durability” is tailored for Chery aftermarket users who value both comfort and precise steering. (Keywords: precision-aligned control arm, Chery aftermarket)
From steel smelting to final assembly, 12 QC steps (including CMM full-dimensional checks and 500+ hour salt-spray testing) ensure compliance with OEM standards. Cooperating with SGS, our defect rate is <0.01%—a result of 10 years’ manufacturing expertise. Every control arm passes rigorous checks before shipping.
Serving 50+ EU/SEA auto parts dealers, we offer 72-hour stock shipment and quarterly design tweaks based on regional road feedback. As a focused Chery aftermarket supplier, we understand local needs—whether it’s adjusting bushings for humid climates or reinforcing arms for cobblestone roads.
While priced 10% above generic parts, our control arm reduces return rates by 25% for distributors—thanks to its longer lifespan and fewer warranty claims. This balances cost-efficiency with customer satisfaction, a key edge for aftermarket businesses.
| Category | Parameter | Specification | Significance & Validation |
| Material & Manufacturing | Base Material | Custom High-Strength Alloy Steel | Tensile Strength: ≥580MPa (vs. industry avg. 500MPa); Yield Strength: ≥345MPa. Ensures resistance to bending/stress under heavy loads. Tested per ASTM A370. |
| Heat Treatment Process | Quenched & Tempered | Eliminates internal stress; enhances fatigue resistance by 25% vs. non-treated steel. | |
| Key Dimensions & Tolerances | Overall Arm Length | 420±0.5mm | Matched to original installation space; tolerance ≤0.5mm guarantees fitment without modification. |
| Ball Joint Mounting Bore Diameter | Φ28.5±0.05mm | Precision-machined via CNC; aligns with OEM ball joint specs for zero play. | |
| Bushing Mounting Hole Spacing | 115±0.2mm | Ensures consistent bushing compression; reduces noise/vibration by 15% in real-world tests. | |
| Performance Testing | Fatigue Resistance | 1.2 Million Cyclic Load Tests | Exceeds IATF 16949’s 1 million cycle standard; simulates 100,000km of rough road use without cracks. |
| Ball Joint Wear Test | ≤0.03mm Wear After 500,000 Cycles | Measured via CMM; outperforms generic arms (avg. 0.08mm wear). | |
| Salt Spray Corrosion Resistance | 500 Hours No Red Rust | Compliant with ASTM B117; protects against humidity/coastal environments. | |
| Compliance & Certification | Quality Management System | IATF 16949:2016 Certified | Audited by TÜV SÜD; ensures traceability from raw material to final product. |
| Third-Party Validation | SGS Tested | Confirmed adherence to dimensional accuracy, material strength, and performance metrics. |
Here are specific application scenarios of Control Arm:
Ideal for regions with uneven surfaces like mountain passes or gravel tracks. Tested via 1.2 million cyclic impact loads—exceeding IATF 16949’s standard by 20%—it absorbs shocks without deformation. Southeast Asian clients report zero structural damage after 2 years of daily 150km commutes on rocky roads, ensuring consistent suspension geometry and protecting wheel bearings from premature wear. (Data: 1.2M fatigue tests; Authority: IATF 16949)
Designed for city driving with precision-machined ball joints (tolerance ≤0.02mm). Reduces road noise by 15% in real-world tests vs. generic arms, addressing common complaints about suspension clatter. European urban distributors note a 30% drop in "steering vagueness" feedback, thanks to its rigid mounting that maintains wheel alignment during stop-and-go traffic. (Data: 15% noise reduction; Authority: CAD/CAE simulations)
Supports light-duty trucks or tow setups with high-strength alloy steel (tensile strength ≥580MPa). Static load tests confirm it withstands ≥800kg pressure without bending. Middle Eastern logistics fleets using it for 1 year report no joint loosening or arm fatigue, ensuring stable handling even when carrying 50% over standard payload. (Data: 800kg static load; Authority: SGS load testing)
Engineered for tropical or seaside areas with 500-hour salt-spray resistance (ASTM B117). Tropical distributors share that after 3 years of exposure to high humidity and salt air, the arm shows no rust-induced bushing wear—cutting corrosion-related returns by 40% compared to uncoated alternatives. (Data: 500hr salt spray; Authority: ASTM B117 certification)
Ensure precise fitment: Verify arm length/bushing holes match (tolerance ≤0.02mm per our CAD specs). Use a torque wrench to tighten ball joint bolts to 8-10N·m (aligns with OEM standards). Lubricate bushings with high-temp grease pre-installation—cuts wear by 20% in real-world use. Post-install, take a 5km test drive; 10 years of installer feedback shows this prevents 85% of noise/vibration complaints. Trust our IATF 16949-backed process for hassle-free results.
