Reliable Fuel System Parts for Diesel Engines

A properly functioning fuel system is critical to the performance, efficiency, and reliability of every heavy-duty diesel engine. Whether you're maintaining a single truck, managing a fleet, rebuilding an engine, or repairing a customer's vehicle, River City Truck Parts offers quality fuel system components to help keep your trucks on the road.



For more than 36 years, River City Truck Parts has supplied new, used, and remanufactured heavy-duty truck parts to owner-operators, repair shops, fleets, dealerships, and remanufacturers throughout North America and worldwide. Our extensive inventory and knowledgeable staff help customers quickly locate the fuel system parts they need while minimizing costly downtime. 

We have new, used, and remanufactured fuel system components. Our team can help you find the part for your budget and situation.

Click below to view out our inventory and let us know if you need help finding the fuel system component that your looking for.

FUEL PUMPS - INJECTORS - FUEL TANKS

Fuel System Components We Carry

Our inventory regularly includes fuel system components for many of today's most popular heavy-duty diesel engine platforms, including:

• Fuel Injectors
• Unit Injectors
• High-Pressure Fuel Pumps
• Injection Pumps
• Fuel Rails
• Fuel Supply Pumps
• Fuel Lines
• Fuel Filters
• Fuel Filter Housings
• Fuel Pressure Regulators
• Fuel Transfer Pumps
• Fuel Lift Pumps
• Fuel Tanks
• Fuel Sending Units
• Fuel Water Separators
• Fuel Pressure Sensors
• Injector Wiring Harnesses
• Common Rail Components
• Fuel System Accessories

Inventory changes daily, so if you don't see the part you're looking for, contact our team and we'll help locate it.

Supported Engine Manufacturers

We regularly source fuel system components for many of the industry's leading heavy-duty diesel engines, including:

• Cummins
• Detroit Diesel
• Caterpillar
• Volvo
• Mack
• PACCAR MX
• International / Navistar
• Mercedes-Benz

Whether you need a replacement injector, a complete fuel rail, or a hard-to-find fuel pump, our experienced parts specialists can help identify the correct component.

Why Fuel System Components Matter

The fuel system delivers the precise amount of clean, pressurized fuel required for efficient combustion. When one component begins to fail, you may experience:

• Hard starting
• Poor fuel economy
• Loss of power
• Excessive smoke
• Rough idle
• Misfires
• Check Engine lights
• Increased emissions

Replacing worn or damaged fuel system components promptly can help prevent more extensive engine damage and reduce costly downtime. Modern diesel fuel systems rely on clean fuel, proper pressure, and precisely functioning injectors and pumps for efficient operation. 

Why Buy Fuel System Components from River City Truck Parts?

When downtime costs money, experience matters.

River City Truck Parts has built a reputation for supplying dependable heavy-duty truck parts backed by knowledgeable customer service. When you purchase from us, you benefit from:

• More than 36 years serving the heavy-duty trucking industry
• Extensive inventory of new, used, and remanufactured truck parts
• Fast nationwide and international shipping
• Experienced diesel parts specialists
• Competitive pricing
• Hard-to-find components
• Quality inspected inventory

Our goal is simple—help you get the right part the first time.

Need Fuel System Components?

Whether you're repairing one truck or sourcing parts for an entire fleet, River City Truck Parts is ready to help.

Search our inventory or contact one of our experienced heavy-duty truck parts specialists today.