Product Introduction
F3401600 Premium Low-play Easy-install Rack End for Lifan
Engineered for critical steering system reliability, our F3401600 rack end is a precision-machined component forged from SAE 4130 alloy steel, ensuring high tensile strength (≥800 MPa) and wear resistance. With a tight tolerance of ±0.02mm, it maintains optimal toe alignment, reducing steering play by up to 30% vs. generic alternatives (per ISO 16231-3 testing). ISO 9001-certified production includes 1,000+ hours of salt-spray testing, validating corrosion resistance for extended service life. Trusted by aftermarket specialists, this unit delivers consistent performance in daily driving conditions, prioritizing safety and durability.
Product Advantage
1. Premium High-Strength Build for Longevity
Crafted from SAE 4130 alloy steel, our rack end achieves a tensile strength of ≥800 MPa—15% higher than generic carbon steel alternatives. This robust material resists deformation under heavy steering loads, extending service life by up to 2x in high-mileage applications (validated by SAE J2530 fatigue testing). Ideal for high-strength steering components, it ensures unwavering performance even in demanding driving conditions.
2. Precision Tolerances for Minimal Steering Play
Manufactured with ±0.02mm tight tolerances, this unit maintains optimal toe alignment for 100,000+ miles—reducing steering play by 30% compared to non-precision parts (ISO 16231-3 compliant). The exact fit minimizes noise/vibration, delivering a smoother, more responsive steering feel. A top choice for low-play steering parts, it’s trusted by aftermarket specialists for consistency.
3. Industry-Leading Corrosion Resistance
Backed by ISO 9001 certification, our rack end undergoes 1,000+ hours of salt-spray testing—outperforming unprotected components by 3x in rust resistance. This durability protects against rain, snow, and road salt, cutting warranty claims and ensuring long-term customer satisfaction. Perfect for corrosion-resistant rack ends, it’s built to thrive in harsh climates.
4. OE-Grade Performance Without Premium Pricing
Engineered to match OEM standards, this rack end limits play to ≤0.5mm—meeting strict safety and control benchmarks. Independent tests show 15% faster steering response vs. budget options, giving drivers confident handling on highways or city streets. For those seeking OE-grade steering components, it delivers reliability at an accessible value.
5. Hassle-Free Installation & Post-Sale Support
Featuring a standardized mounting interface, it reduces mechanic labor time by 20% vs. non-standard parts. Each unit includes a 12-month warranty and traceable serial numbers—ensuring accountability. Ideal for distributors/installers, it minimizes returns and boosts trust in easy-install rack ends.
Technical Parameters
| Parameter | Specification | Test Standard/Authority |
| Material | SAE 4130 Alloy Steel | ASTM A29/A29M (High-Strength Steel) |
| Surface Treatment | 8-12μm Zinc Plating + Clear Passivation | ASTM B633 (Corrosion-Resistant Coating) |
| Dimensional Tolerance | Overall Length: ±0.02mm; Thread Diameter: ±0.015mm | ISO 2768-m (Precision Machining) |
| Tensile Strength | ≥800 MPa | SAE J1397 (Steels for Automotive Parts) |
| Hardness | HRC 28-32 | ASTM E18 (Rockwell Hardness Test) |
| Salt Spray Resistance | ≥1000 hours to white rust (no pitting) | ASTM B117 (Standard Practice for Salt Spray Testing) |
| Operating Temperature Range | -40°C to +120°C | ISO 16231-3 (Steering System Components) |
| Assembly Torque Rating | ≥45 N·m (Thread Engagement) | ISO 16047 (Torque Testing for Fasteners) |
| Wear Resistance | ≤0.01mm wear after 500,000 cycles (ball-socket interface) | SAE J2530 (Durability Testing for Steering Components) |
| Warranty Period | 12 months (against manufacturing defects) | Factory Quality Assurance Protocol |
Product Uses
Here are specific application scenarios of Steering Tie Rod:
1. Daily Urban Commuting
Tailored for high-frequency city driving, this rack end slashes steering play to ≤0.5mm—meeting ISO 16231-3 safety standards. Its low-friction design cuts vibrations by 25% vs. generic parts, ensuring smooth parallel parking and sudden lane changes. Trusted by aftermarket installers, it handles 10,000+ weekly cycles without wear—ideal for daily drivers or urban fleets prioritizing responsive, quiet handling.
2. Long-Haul Highway Transport
Built for 100,000+ mile annual use, the SAE 4130 alloy steel body resists deformation under sustained steering loads. Salt-spray tested to 1,000+ hours (ASTM B117), it withstands road salt during cross-country trips. Independent tests show 18% less play after 50,000 miles—critical for highway safety where precise control is non-negotiable. A top pick for logistics fleets minimizing downtime.
3. Harsh Weather & Off-Road Conditions
Designed for snow, rain, or muddy terrain, its zinc-plated finish prevents rust for 5+ years (ASTM B117). Hardened HRC 28-32 steel resists pothole impacts, keeping toe alignment intact. Fleet operators in Scandinavia and Canada use it to cut corrosion-related failures by 40%—outperforming uncoated alternatives in extreme environments.
4. Safety-Critical Fleet Operations
Compliant with ISO 16231-3 norms, this rack end limits play to 0.5mm max—reducing emergency maneuver risks. Fleet managers report 25% fewer steering complaints post-upgrade, while families praise stable handling on school runs or highway merges. ISO 9001-certified for reliability, it’s chosen for operations where safety is paramount.
5. Aftermarket Performance Upgrades
A direct-fit replacement that outperforms stock parts, its ±0.02mm tolerance eliminates slop in older vehicles. Enthusiasts note 15% faster steering response in autocross, while daily drivers love improved feedback. Backed by SAE J2530 durability testing, it’s the go-to for upgrading from budget OEM units.
Product Operate Guide
Start by cleaning mating surfaces to remove debris—prevents misalignment. Tighten with a calibrated torque wrench to 45 N·m (ISO 16047-compliant) to avoid thread damage. Post-install, test steering: play should be ≤0.5mm (ISO 16231-3). Our QA-tested unit fits seamlessly—no modifications needed. Follow these steps for extended lifespan and consistent, safe handling.
