4235003-2
Brand: Brilliance
Model: H230
Product Name：Control arm bushing
Part Number: 4235003-2
Product Details
Comprehensive Professional Description: Brilliance H230 Control Arm Bushing (Part No. 4235003-2)
1. Basic Overview & Core Functional Positioning
The 4235003-2 is an authentic Original Equipment Manufacturer (OEM) control arm bushing, specifically engineered and produced exclusively for the Brilliance H230, a compact sedan under the Brilliance Auto brand that is widely recognized for its reliability, cost-effectiveness, and practicality, catering to daily commuting and family use. As a critical component of the H230’s suspension system, the control arm bushing (also known as an A-arm bushing) serves as a flexible connection between the control arm and the vehicle’s frame or subframe, playing an irreplaceable role in maintaining vehicle stability, ride comfort, and handling performance. The unique part number 4235003-2 serves as a definitive identifier, guaranteeing strict compliance with Brilliance’s original engineering specifications, material standards, and performance requirements, making it the only authorized replacement part for the control arm bushing of all Brilliance H230 production years and all trim levels, as confirmed by Brilliance’s official OEM fitment data and global supply chain records.
The Brilliance H230 is equipped with a MacPherson strut front suspension system, where the control arm (also called the lower wishbone) is a key component that connects the wheel hub to the vehicle’s frame. The 4235003-2 Control Arm Bushing is mounted at the inboard end of the control arm, acting as a buffer and pivot point that allows the control arm to move smoothly during suspension travel, while restricting excessive movement that could compromise vehicle stability. Operating in a harsh and high-stress environment, the control arm bushing must withstand constant mechanical loads, vibration, and impact from road irregularities, as well as exposure to extreme temperatures, road salt, and other corrosive substances. A worn, cracked, or damaged control arm bushing can lead to a range of severe issues, including poor handling, increased steering play, uneven tire wear, excessive road noise, vibration in the steering wheel and cabin, and even compromised safety during emergency maneuvers.
As a genuine OEM component, the 4235003-2 Control Arm Bushing is manufactured in strict accordance with Brilliance’s rigorous quality control standards, international automotive component regulations (including ISO 9001 and IATF 16949), and the precise technical parameters of the H230’s suspension system. This ensures consistent performance, perfect fitment, and long-term durability, making it the preferred choice for maintaining the H230’s original suspension performance and driving safety. Unlike generic aftermarket control arm bushings, the 4235003-2 is specifically designed to match the H230’s control arm dimensions, mounting points, and suspension geometry, eliminating compatibility issues and ensuring seamless integration with the vehicle’s existing suspension components—including the control arm, frame, and ball joint. Whether replacing a worn bushing due to normal wear and tear, road impact, or improper maintenance, the 4235003-2 can fully restore the H230’s suspension performance, ensuring stable handling, smooth ride, and optimal safety.
2. Premium Material Selection & Precision Manufacturing Process
The 4235003-2 Control Arm Bushing is crafted from high-performance, automotive-grade materials, carefully selected to meet the strict requirements of a suspension component that operates in a high-stress, harsh environment—prioritizing excellent elasticity, wear resistance, impact absorption, corrosion resistance, and structural stability. The material selection is optimized to balance flexibility, durability, and load-bearing capacity, ensuring the bushing can withstand constant mechanical stress, repeated compression and deflection, exposure to extreme temperatures (ranging from -40°C to 120°C), road salt, oil, and other automotive fluids, without deforming, cracking, or deteriorating over time.
The 4235003-2 Control Arm Bushing features a two-piece composite structure, consisting of an inner metal sleeve and an outer rubber (or polyurethane) bushing body—each component made from premium materials to ensure optimal performance. The inner metal sleeve is crafted from high-strength carbon steel (S45C), which offers exceptional structural rigidity, load-bearing capacity, and corrosion resistance. The carbon steel is heat-treated to enhance its hardness and tensile strength, ensuring it can withstand the high torque and mechanical loads exerted during suspension movement. The inner sleeve is also galvanized or coated with a corrosion-resistant layer (such as zinc plating) to prevent rust and corrosion, even in harsh environments with road salt or coastal humidity.
The outer bushing body is made of high-quality ethylene propylene diene monomer (EPDM) rubber, a material widely recognized in the automotive industry for its exceptional elasticity, impact absorption, weather resistance, and chemical resistance. EPDM rubber is chosen for its ability to absorb vibration and impact from road irregularities, reducing noise and vibration transfer to the cabin, while maintaining sufficient flexibility to allow smooth movement of the control arm. Unlike natural rubber, EPDM rubber is resistant to ozone, UV radiation, extreme temperatures, and automotive fluids (such as oil, coolant, and brake fluid), ensuring long-term durability and consistent performance. For enhanced durability in high-stress applications, the EPDM rubber is reinforced with a small percentage of carbon black, which improves its wear resistance and tensile strength.
The manufacturing process of the 4235003-2 Control Arm Bushing follows a strict, ISO 9001 and IATF 16949 certified production workflow, combining precision molding, vulcanization, and rigorous quality control—consistent with modern automotive suspension component manufacturing standards. The production process begins with the preparation of raw materials: the carbon steel inner sleeve is cut, machined, and heat-treated to meet Brilliance’s specifications for hardness and dimensional accuracy. The EPDM rubber is mixed with additives (including carbon black, vulcanizing agents, and anti-aging agents) in precise proportions to enhance its performance and durability.
Next, the inner metal sleeve is placed into a precision mold, and the EPDM rubber mixture is injected into the mold around the sleeve. The mold is then heated to a high temperature (typically 160-180°C) for vulcanization, a process that bonds the rubber to the metal sleeve permanently, creating a tight, seamless connection that can withstand high mechanical loads. After vulcanization, the bushing is removed from the mold and subjected to automated trimming to remove any excess rubber, ensuring clean, precise edges. The bushing then undergoes a series of rigorous quality inspections, including dimensional accuracy testing, bond strength testing, elasticity testing, wear resistance testing, and corrosion resistance testing. Bond strength testing verifies that the rubber and metal sleeve are firmly bonded, preventing separation during use. Elasticity testing ensures the bushing can deflect and return to its original shape repeatedly without permanent deformation. Only units that pass all inspections are packaged and delivered, guaranteeing that each 4235003-2 meets Brilliance’s strict quality standards and provides reliable performance. Additionally, the bushing comes with a 12-month quality guarantee, reflecting the manufacturer’s confidence in its durability and performance.
3. Structural Design & Key Integrated Components
The 4235003-2 Control Arm Bushing features a sophisticated, ergonomic structural design, meticulously engineered to match the Brilliance H230’s control arm and suspension system, ensuring seamless integration, secure attachment, and optimal performance. Its design is optimized to balance flexibility, load-bearing capacity, and vibration absorption, while adhering to Brilliance’s original engineering standards and international safety regulations. The overall structure of the bushing consists of three key integrated components: the inner metal sleeve, the outer EPDM rubber body, and the optional outer metal shell—all working together to ensure maximum performance, durability, and compatibility with the H230’s suspension system.
The inner metal sleeve is the central component of the 4235003-2 Control Arm Bushing, serving as the mounting point for the control arm and the vehicle’s frame. It features a cylindrical design with a precision-drilled hole, sized to match the H230’s OEM mounting bolt, ensuring a tight, secure fit that prevents looseness or vibration. The inner sleeve’s outer surface is textured or grooved, which enhances the bond between the metal and rubber, preventing slippage during high-stress operation. The length and diameter of the inner sleeve are optimized to match the H230’s control arm mounting points, ensuring perfect fitment and proper load distribution.
The outer EPDM rubber body surrounds the inner metal sleeve, forming the flexible buffer layer that absorbs vibration and allows smooth movement of the control arm. The rubber body features a slightly tapered or cylindrical design, with a thickness optimized to provide the ideal balance of flexibility and rigidity. The outer surface of the rubber body is designed to fit snugly into the control arm’s bushing bore, with a slight interference fit that ensures a secure attachment without the need for additional fasteners. The rubber body also features internal ribs or grooves, which enhance its elasticity and impact absorption capacity, allowing it to withstand repeated compression and deflection without permanent deformation. Additionally, the rubber body is designed to have a specific shore hardness (typically 60-70 durometer), which is tailored to the H230’s suspension geometry and performance requirements—ensuring optimal handling and ride comfort.
For enhanced structural stability and durability, some variants of the 4235003-2 Control Arm Bushing include an outer metal shell, which surrounds the rubber body. The outer metal shell is made of the same high-strength carbon steel as the inner sleeve, providing additional support and protection for the rubber body. The outer shell is press-fitted into the control arm’s bushing bore, ensuring a tight, secure fit and preventing the rubber body from bulging or deforming under high loads. The outer shell also features a corrosion-resistant coating, matching the inner sleeve, to prevent rust and corrosion in harsh environments. This three-piece design (inner sleeve, rubber body, outer shell) further enhances the bushing’s load-bearing capacity and durability, making it suitable for the H230’s daily driving and occasional rough road conditions.
Another key design feature of the 4235003-2 Control Arm Bushing is its compatibility with the H230’s suspension geometry. The bushing’s design is optimized to maintain the correct camber, caster, and toe angles of the front wheels, ensuring stable handling and even tire wear. The bushing’s deflection characteristics are precisely calibrated to allow the control arm to move smoothly during suspension travel, while restricting excessive lateral and longitudinal movement that could affect steering precision. Additionally, the bushing’s design minimizes friction between the control arm and the frame, reducing wear and extending the service life of both the bushing and the control arm. This attention to detail ensures that the 4235003-2 integrates seamlessly with the H230’s suspension system, preserving the vehicle’s original handling and ride comfort.
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