Car Diagram

Bumpers sit at the very front and rear of your vehicle, acting as the first line of defense in a collision. Designed to absorb impact and protect critical body components, they help reduce costly repairs after a front-end or rear-end accident. When your bumper becomes damaged, replacing it with a quality aftermarket replacement ensures your vehicle’s structure and appearance are restored with reliable, machine-formed precision.

Located at the outer corners of your front and rear bumpers, bumper ends are designed to close off and protect the assembly from dirt, water, and debris. By preventing rust and corrosion from forming on nearby steel panels, they help maintain the vehicle’s structure and finish. Over time, these pieces may need replacement due to exposure and wear, ensuring your bumper system continues to perform as intended.

Commonly found at the front, rear, or both ends of modern vehicles, valance panels attach to the underside of the bumper to enhance aerodynamics and protect key components. Their sleek design channels airflow efficiently under the car while helping to hide exhaust parts, suspension hardware, and frame sections from view. They’re essential for maintaining both appearance and performance.

Inner fenders, also known as inner fender wells, form the protective barrier between your vehicle’s engine bay and the wheel assemblies. Constantly exposed to road debris, water, and mud, these panels prevent damage to vital components by blocking rocks, salt, and grime thrown up by the tires. Over time, corrosion or impact can weaken them, making replacement essential to preserve both structure and safety.

Fenders are among the most visible and defining panels on any vehicle. Shaped to form an arch around each wheel opening, they’re typically made from metal or durable plastic to shield the body from water, mud, and road debris kicked up by the tires. Beyond protection, fenders also enhance the vehicle’s profile and maintain proper airflow along the sides.

Cowl panels sit just above the firewall and under the windshield, shielding the air intake system and interior vents from unwanted debris. They also provide the mounting structure for wiper arms and serve as a drainage surface for rainwater. When corroded or damaged, cowl panels can allow leaks and airflow issues, making them a key replacement part in maintaining a watertight seal and clean ventilation system.

Door panels form the main outer shell of a vehicle’s door assembly, providing structure and mounting points for handles, locks, and side mirrors. Positioned along the lower body line, these panels are often exposed to moisture, salt, and debris that can accumulate inside the door cavity. Over time, corrosion in these areas can lead to bubbling paint or weakened seams, making replacement panels essential for maintaining durability and appearance.

Exposed to dirt, salt, and moisture, lower door skins are often the first part of a vehicle’s door to show signs of rust. These panels shield the main door structure from scuffs, chips, and debris thrown up by the tires. When corrosion takes hold, a new lower door skin provides a cost-effective way to repair damage and maintain a smooth, clean exterior.

Rocker panels run along the lower edge of the body between the front and rear wheel openings, directly beneath the doors. Made from strong, corrosion-resistant steel, they connect the front and rear of the vehicle’s structure and reinforce the floor for added rigidity. Because rocker panels face constant exposure to water, salt, and debris, they’re one of the most common areas to rust and often require replacement to preserve safety and appearance.

The dogleg is the small but critical section of the quarter panel that connects directly to the rocker panel. Found just behind the rear door and ahead of the rear wheel opening, this area endures constant exposure to moisture, salt, and debris thrown by the tires. Because of its position, the dogleg is one of the most common places for rust and corrosion to develop, making replacement essential for maintaining a solid body structure.

Wheel arch panels surround the upper and outer edge of the wheel openings, protecting the vehicle body from constant exposure to road spray, salt, and debris. Positioned directly in the path of water and grime thrown up by the tires, these panels are highly prone to rust over time. Replacing damaged or corroded wheel arch panels helps preserve structural strength and restores clean, smooth body lines.

Positioned above the wheel openings, wheelhouses act as shields against the elements and road debris thrown up by the tires. They protect key body sections, including the floor pan and trunk area, from rust and damage. When corrosion weakens these panels, replacement wheelhouses are essential to restore both protection and structural support.

Quarter panels form the large outer body sections between the rear doors and the trunk. These panels define the vehicle’s side profile and are frequently damaged in parking mishaps, fender benders, or rear-end collisions. Many vehicles allow for partial repairs using lower rear quarter panel sections, which extend from the trim line down to the bumper. Replacing only the lower section saves time and cost while restoring the vehicle’s original appearance and structure.

Located between the bumper and the fender, fender extension panels complete the transition between these two major components. They provide both functional strength and visual balance, shielding edges from dents, chips, and corrosion. Replacing a damaged fender extension ensures consistent body alignment and helps maintain the vehicle’s original contour.

Located directly above the front bumper, the header panel forms the structural foundation for the grille and headlight assemblies. It keeps the front-end components properly aligned and ensures a secure fit. These panels can be made from metal, fiberglass, or plastic, varying by year and model. Replacing a cracked or bent header panel restores both appearance and correct headlight positioning.

The hood plays a vital role in both function and design, sealing off the engine bay from outside elements. Rust, impact, or weather exposure can quickly weaken this panel, allowing dirt and water to cause further damage underneath. A replacement hood helps restore proper protection while maintaining smooth body lines and a strong exterior finish.

The firewall is the solid barrier that separates the engine compartment from the passenger cabin, providing both safety and structural strength. In the event of a collision, it helps shield occupants from heat, debris, and impact from the engine bay. Over time, rust or damage to the firewall can compromise this protection, making replacement critical to maintain the vehicle’s integrity and safety.

Fender flares extend outward from the fender to provide additional tire coverage, especially for vehicles equipped with wider or oversized wheels. These extensions help block snow, mud, and rocks kicked up by spinning tires, keeping the body panels and paint protected from damage. Replacing cracked or rusted fender flares restores both protection and the vehicle’s rugged, finished look.

The trunk lid — sometimes called the deck lid — is the hinged cover that provides access to your vehicle’s storage area. Designed for both security and convenience, it can be opened manually or electronically depending on the model. Because of its position at the rear of the car, the trunk lid is often damaged in low-speed impacts or rear-end collisions, making replacement a common repair.

The roof panel forms the uppermost section of your vehicle’s body, providing structural strength and protection from the elements. Constant exposure to sun, rain, and debris can cause fading, dents, or rust over time. Replacing a damaged roof restores rigidity to the cabin and ensures a watertight seal that keeps the interior dry and secure.

Positioned between the headlights and above the bumper, the grille allows cool air to circulate through the radiator while shielding the engine compartment from debris. It also serves as a key design element that shapes the look of the vehicle’s front fascia. Over time, road wear and impacts can damage the grille, making replacement an easy way to refresh both performance and appearance.

Headlights serve as both a safety feature and a design element, providing clear illumination for night driving while defining the shape of the vehicle’s front end. Dirt, moisture, and oxidation can dull their performance over time. Replacing worn or broken headlights improves visibility, enhances appearance, and restores compliance with lighting standards.

Explore our wide selection of rust repair and replacement panels for cars, trucks, and SUVs. Every part we carry meets strict standards for form, finish, and weldability. Our team makes it simple to find the exact fit for your project, offering expert guidance, quick delivery, and the dependable quality your repair deserves.

If you have any questions about auto body parts and rust repair panels please call us 313.534.2886 or use or chat feature. Our staff at Classic 2 Current Fabrication is standing by to assist with your project. You are our highest priority. Use our dynamic search feature to find the quality parts for your vehicle.