Engine
Quality Replacement Engine Parts for Cars, Trucks & SUVs
Your engine is the heart of your vehicle, and when it needs repair or maintenance, you want parts you can trust. Whether you're dealing with a rough idle, overheating issues, or planning a complete engine rebuild, A-Premium has the quality engine components you need to get back on the road with confidence.
We've been helping car owners like you for over a decade, and we know that engine problems can be stressful. That's why we've made it our mission to provide reliable, affordable engine parts that meet or exceed original equipment specifications. From weekend DIY mechanics to professional shops, thousands of customers trust A-Premium for their engine repair needs.
Complete Engine Component Categories
Finding the right engine parts shouldn't be a guessing game. We've organized our extensive inventory into clear categories to help you locate exactly what you need, whether you're doing routine maintenance or tackling a major repair project.
| Engine Component Category | What's Included | Common Applications |
|---|---|---|
| Engine Mounts | Motor mounts, transmission mounts, mount insulators | Reduces vibration, secures engine position |
| Cranks, Pistons, Oil & Components | Crankshafts, pistons, oil pumps, gaskets | Engine rebuilds, oil system repairs |
| Electronic Control Modules, Ignition & Distributors | ECM modules, ignition coils, distributors | Engine management, spark delivery |
| Air Filters & Intake Systems | Air filters, intake manifolds, throttle bodies | Air flow optimization, filtration |
| Engine Cooling | Radiators, water pumps, thermostats | Temperature regulation, coolant circulation |
| Fuel Systems & Components | Fuel pumps, injectors, fuel rails | Fuel delivery, injection systems |
| Exhaust & Emission Systems | Catalytic converters, mufflers, exhaust manifolds | Emission control, exhaust flow |
| Cams, Timing & Valvetrain | Camshafts, timing chains, valves | Valve operation, timing control |
| Starters, Alternators, Batteries & Components | Starters, alternators, battery cables | Electrical starting, charging systems |
| Engine Components & Accessories | Belts, hoses, sensors, gaskets | General engine accessories, sealing |
Related Engine Troubleshooting
Find more about our blogs about car engines that are written by our experts. We've listed all of the common issues related to car engines so that you can identify your issues and get your solutions quick and easily!
Engine Cooling System Essentials
Your engine generates tremendous heat during operation, and without proper cooling, it would quickly destroy itself. The cooling system is one of the most critical systems in your vehicle, and when components fail, you're looking at potential engine damage that can cost thousands to repair.
Engine Cooling components work together to maintain optimal operating temperature. The radiator acts as a heat exchanger, using airflow and coolant circulation to remove excess heat. When your radiator starts leaking or becomes clogged, you'll notice temperature gauge climbing or coolant puddles under your car.
The water pump is the heart of your cooling system, circulating coolant throughout the engine and radiator. Most water pumps are driven by the timing belt or serpentine belt, and when they fail, you'll often hear squealing noises or see coolant leaking from the front of the engine. We stock water pumps for all major vehicle makes, ensuring you get the right fit for your specific application.
Thermostats might be small, but they play a huge role in engine performance and longevity. A stuck thermostat can cause overheating or prevent your engine from reaching proper operating temperature, leading to poor fuel economy and increased emissions. Our thermostats are precision-engineered to open and close at exactly the right temperatures.
Fuel System Components That Keep You Moving
Modern fuel systems are sophisticated networks that deliver the right amount of fuel at the precise pressure your engine needs. When fuel system components start failing, you'll experience symptoms like hard starting, poor acceleration, or even complete stalling.
Fuel Systems & Components include everything from the fuel tank to the injectors. The fuel pump, usually located in the tank, pressurizes fuel and sends it to the engine. When fuel pumps start failing, you might hear whining noises from the rear of the vehicle or experience intermittent stalling, especially when the tank is low.
Fuel injectors are precision components that spray fuel directly into the combustion chamber or intake manifold. Over time, injectors can become clogged with deposits, leading to rough idle, misfires, or poor fuel economy. We carry both new and remanufactured injectors that meet strict quality standards.
The fuel rail distributes pressurized fuel to each injector, while the fuel pressure regulator maintains consistent pressure throughout the system. These components work together to ensure your engine gets exactly the right amount of fuel under all operating conditions.
Ignition and Electronic Control Systems
Today's engines rely heavily on electronic systems to optimize performance, fuel economy, and emissions. These systems use sensors, computers, and actuators to constantly adjust engine operation based on driving conditions.
Electronic Control Modules, Ignition & Distributors are the brains of your engine. The Engine Control Module (ECM) processes information from dozens of sensors and controls everything from fuel injection timing to emission control systems. When ECMs fail, you'll typically see check engine lights and experience various performance issues.
Ignition coils have largely replaced traditional distributors in modern vehicles. These components transform your car's 12-volt electrical system into the thousands of volts needed to create spark at the plugs. Failed ignition coils cause misfires, which you'll feel as rough running or loss of power.
Mass airflow sensors and oxygen sensors provide critical feedback to the ECM about engine conditions. When these sensors fail or provide incorrect readings, your engine's computer can't make proper adjustments, leading to poor performance and increased emissions.
Air Intake and Breathing Systems
Your engine needs clean air to run properly, and the air intake system ensures it gets exactly what it needs. Clogged or damaged intake components can significantly impact performance and fuel economy.
Air Filters & Intake Systems start with the air filter, which removes dirt, dust, and debris from incoming air. A dirty air filter restricts airflow, causing your engine to work harder and use more fuel. We recommend checking air filters every 12,000 miles and replacing them when they become dirty or damaged.
The throttle body controls how much air enters your engine based on accelerator pedal position. Over time, throttle bodies can become dirty or develop electronic faults, causing idle problems or poor throttle response. Mass airflow sensors measure the amount of air entering the engine, providing critical data for fuel injection calculations.
Intake manifolds distribute air to each cylinder, and intake gaskets seal the connection between the manifold and cylinder head. When intake gaskets fail, you'll often experience vacuum leaks that cause rough idle and poor performance.
Timing and Valvetrain Components
The valvetrain is responsible for opening and closing your engine's intake and exhaust valves at precisely the right times. This system must work in perfect harmony with the pistons to ensure proper engine operation.
Cams, Timing & Valvetrain components include camshafts, which control valve operation through a series of lobes that push on valve lifters or rocker arms. Timing chains or belts connect the camshaft to the crankshaft, ensuring valves open and close at exactly the right moments.
When timing components wear out, you might hear rattling noises from the front of the engine or experience poor performance. In interference engines, timing belt failure can cause pistons to hit valves, resulting in expensive internal damage. That's why we always recommend replacing timing belts according to manufacturer intervals.
Variable valve timing systems have become common in modern engines, using hydraulic actuators and computer controls to optimize valve timing for different operating conditions. These systems can improve both performance and fuel economy when working properly.
Starting and Charging System Reliability
Even the best engine won't run if it can't start or doesn't have electrical power. The starting and charging systems work together to get your engine running and keep all electrical systems powered while driving.
Starters, Alternators, Batteries & Components are essential for reliable operation. Starters use powerful electric motors to turn your engine over during starting, while alternators generate electricity to power your car's systems and recharge the battery.
When starters begin to fail, you might hear clicking sounds when turning the key or experience slow cranking. Alternator problems often show up as dim lights, dead batteries, or dashboard warning lights. We stock high-quality starters and alternators that are tested to ensure reliable performance.
Battery cables and connections are often overlooked but play crucial roles in starting and charging system operation. Corroded or loose connections can cause starting problems even when the battery and starter are in good condition.
Why Choose A-Premium for Engine Parts
We understand that engine repairs can be expensive and stressful. That's why we've built our business around providing quality parts at fair prices, backed by warranties that give you peace of mind. Our extensive selection means you can find parts for virtually any vehicle, from economy cars to heavy-duty trucks.
Quality assurance is at the heart of everything we do. Every part we sell meets or exceeds original equipment specifications, and we back that commitment with warranties up to 3 years. We know you're trusting us with your vehicle's most important system, and we take that responsibility seriously.
Our 24/7 customer support team includes experienced technicians who can help you identify the right parts and provide installation guidance. Whether you're a professional mechanic or weekend DIY enthusiast, we're here to help you succeed.
Fast, free shipping gets your parts to you quickly so you can get back on the road. We also offer 90-day free returns because we want you to be completely satisfied with your purchase.
Frequently Asked Questions
How do I know when my engine mounts need replacement?
You'll typically notice excessive vibration in the cabin, especially at idle, or hear clunking sounds when accelerating or shifting gears. Visual inspection may reveal cracked or separated rubber in the mounts.
What causes engine overheating and how can I prevent it?
Common causes include low coolant, failed thermostats, bad water pumps, or clogged radiators. Regular coolant changes and system inspections can prevent most overheating issues and expensive engine damage.
How often should I replace my air filter?
Most manufacturers recommend air filter replacement every 12,000-15,000 miles, but driving conditions matter. Dusty environments or city driving may require more frequent changes to maintain optimal performance.
What's the difference between interference and non-interference engines?
Interference engines have pistons and valves that occupy the same space at different times. If timing belts break, pistons can hit valves causing expensive damage. Non-interference engines have clearance preventing this collision.
Can I replace engine parts myself or do I need a professional?
Simple components like air filters, spark plugs, and some sensors are DIY-friendly. Complex repairs like timing belt replacement or engine rebuilds typically require professional tools and expertise to avoid costly mistakes.