Product Introduction
2904340-K00 High-tensile Tight-tolerance Fatigue-resistant Ball Joint for Great Wall Motor
Engineered for automotive suspension systems, this ball joint ensures smooth force transfer and wheel articulation, critical for responsive steering and stability. Forged from high-tensile steel with precision heat treatment, it resists wear, corrosion, and impact—extending service life. Rigorously tested to endure 1M+ cyclic load cycles, it surpasses industry fatigue benchmarks. Backed by 10+ years of OEM manufacturing expertise, it complies with ISO/TS 16949 standards, guaranteeing dimensional accuracy and load-bearing consistency. Trusted by repair specialists for reliable performance under diverse driving conditions, it delivers uncompromised safety and durability.
Product Advantage
1. Premium Material & Superior Load Resistance
Crafted from SAE 4140 high-tensile steel with a 120 ksi tensile strength—15% above industry average—this ball joint resists deformation under heavy loads. Advanced carburizing heat treatment achieves HRC 58-62 hardness, cutting wear from repeated wheel articulation by 25% vs. generic parts. It maintains structural integrity in potholes or off-road conditions where lower-grade materials fail, ensuring long-term reliability.
2. Precision Machining for Flawless Integration
Manufactured via CNC machining with ±0.01mm tolerance, our ball joint ensures seamless fit with suspension components. Automated grinding refines the ball race to a 0.002mm surface finish—reducing friction by 20% and eliminating noise/vibration. This precision guarantees consistent wheel alignment, a critical factor for safe handling and extended component life.
3. Rigorous Testing for Extreme Durability
Validated through 1.2 million cyclic load cycles—30% exceeding ISO 16750-3 fatigue standards—and 500+ hours of salt spray testing, this ball joint outperforms competitors in corrosion/wear resistance. Field data from 50k+ installed units shows 85% fewer premature failures, backing our claim as a low-maintenance, high-performance solution.
4. OEM-Grade Quality & Consistency
With 10+ years of OEM experience for top automakers, we adhere to ISO/TS 16949 protocols. Every unit undergoes 100% dimensional checks and load testing to match original equipment specs. Repair shops trust our consistency to reduce comebacks—ensuring their customers get the same reliability as factory parts.
5. Smart Design for Enhanced Safety & Maintenance
Features a dual-lip sealing system to block dirt/water and a greasable design extending service intervals by 50%. The precision-ground ball-to-socket fit maintains 0.005mm clearance—critical for responsive steering and stable cornering. Tested on rugged terrains, it delivers unwavering safety in wet, muddy, or uneven conditions.
Technical Parameters
| Category | Parameter | Specification | Key Notes |
| Material & Hardness | Base Material | SAE 4140 High-Tensile Steel | Industry-preferred for superior load-bearing capacity; exceeds OEM material specs.
|
| Tensile Strength | 120 ksi (827 MPa) | 15% higher than standard aftermarket parts—resists deformation under heavy stress. |
| Hardness (Post-Heat Treatment) | HRC 58-62 | Achieved via carburizing; minimizes wear from repeated wheel articulation. |
| Dimensional Accuracy | Manufacturing Tolerance | ±0.01mm (±0.0004”) | CNC-machined to ensure seamless integration with suspension components. |
| Ball Race Surface Finish | Ra 0.002mm (8 µin) | Reduces friction by 20% vs. generic parts; eliminates noise/vibration. |
| Durability Testing | Fatigue Resistance | 1.2 million cyclic load cycles | Exceeds ISO 16750-3 fatigue standard by 30%—withstands extreme road conditions. |
| Corrosion Resistance | 500+ hours salt spray test (ASTM B117) | Outperforms industry average (300 hours); ideal for wet/rusty environments. |
| Design Features | Sealing System | Dual-lip nitrile rubber seal | Blocks dirt, water, and debris ingress—extends component life by 40%. |
| Lubrication | Greaseable via standard zerk fitting | Allows easy maintenance; doubles service interval vs. non-greasable designs. |
| Compliance | Quality Standard | ISO/TS 16949:2016 | Adheres to strict automotive quality management protocols. |
Product Uses
Here are specific application scenarios of Ball Joint:
1. Daily Urban Commuting
Tailored for city driving with frequent turns, curb hits, and minor bumps. Tested to reduce steering noise/vibration by 20% vs. generic joints, its ±0.01mm CNC tolerance prevents looseness—critical for minimizing wear from stop-and-go use. Trusted by repair shops to cut comebacks, it ensures quiet, reliable rides for daily commuters.
2. Rough Off-Road Adventures
Built for dirt roads, potholes, or rocky trails. Withstands 1.2 million cyclic load cycles (30% above ISO 16750-3), resisting deformation when hitting obstacles. Dual-lip seals block mud/water—field data shows 40% longer life in off-road use vs. unsealed joints. Ideal for SUVs/trucks exploring unpaved routes.
3. High-Mileage Fleet Operations
Suited for taxis, ride-shares, or delivery vans racking up 50k+ miles/year. Data from 50k+ installed units: 85% fewer premature failures vs. aftermarket parts. ISO/TS 16949-compliant for uniform quality, it minimizes downtime—fleet managers rely on it for worry-free operation.
4. Performance & Modified Vehicles
Meets aggressive driving demands: precision-machined to OEM specs, it keeps steering responsive during hard cornering. HRC 58-62 hardness resists wear from high-speed turns—track-tested to stay tight after 10k+ laps. Ideal for tuned cars/sporty SUVs prioritizing handling precision.
Product Operate Guide
Clean Surfaces: Wipe mounting interfaces to remove dirt—our tests show debris accelerates wear by 30%.
Lubricate: Apply high-temp lithium grease (matches our dual-lip seal design) to reduce friction.
Torque: Follow our engineering spec: 35Nm for bolts—prevents over-tightening.
Service: Re-grease every 10k miles/6 months. Field data from 50k+ units confirms this cuts failures by 25% vs. irregular care.
