Fuel Pumps & Components

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O-Ring 910005DVC - Davco
positive OEM
Part# 910005DVC
Part# 910005DVC
In Stock
shipping-move
$13.56
Pump, Fuel 5491782RX - Cummins
positive OEM
Part# 5491782RX
Part# 5491782RX
In Stock
shipping-move
$940.91
Element, Fuel Strainer, W/ Adapter Kit 1899335C91 - International
positive OEM
Part# 1899335C91
Part# 1899335C91
In Stock
shipping-move
$50.95
Fuel Pump, HP Fuel Rail 2344775PEX - Paccar Engine
positive OEM
Part# 2344775PEX
Part# 2344775PEX
In Stock
shipping-move
Special Price $775.74 Regular Price $970.23
Pump Assembly, Steering & Fuel Lift, 32CC 1895803PE - Paccar Engine
positive OEM
Part# 1895803PE
Part# 1895803PE
In Stock
shipping-move
$1,904.03
Ring Seal  2235756PE - Paccar Engine
positive OEM
Part# 2235756PE
Part# 2235756PE
In Stock
shipping-move
Special Price $16.58 Regular Price $21.28
Fuel Injector 211-3023 - CAT
positive OEM
CAT
Part# 211-3023
Part# 211-3023
In Stock
shipping-move
$1,191.96
Injector Fuel Supply Tube 3690532 - Cummins
positive OEM
Part# 3690532
Part# 3690532
In Stock
shipping-move
$89.81
Injector Fuel Supply Tube 3690531 - Cummins
positive OEM
Part# 3690531
Part# 3690531
In Stock
shipping-move
$95.76
Injector Clamp 3685567 - Cummins
positive OEM
Part# 3685567
Part# 3685567
In Stock
shipping-move
$35.31
Injector Clamp 3685566 - Cummins
positive OEM
Part# 3685566
Part# 3685566
In Stock
shipping-move
$35.79
Fuel Pump 4359062PX - Cummins
positive OEM
Part# 4359062PX
Part# 4359062PX
In Stock
shipping-move
$526.46
Fuel Pump - Fuel Rail 2328007PEX - Paccar Engine
Part# 2328007PEX
Part# 2328007PEX
In Stock
shipping-move
Special Price $939.99 Regular Price $970.23
Fuel Pump Repair Kit 6310580 - Cummins
positive OEM
Part# 6310580
Part# 6310580
In Stock
shipping-move
$2,255.61
Harness 23539314 - Detroit Diesel
positive OEM
Part# 23539314
Part# 23539314
In Stock
shipping-move
Special Price $205.57 Regular Price $226.97
Inj Cup 23538829 - Detroit Diesel
positive OEM
Part# 23538829
Part# 23538829
In Stock
shipping-move
Special Price $22.92 Regular Price $26.83
Injector Tube 3685808 - Cummins
positive OEM
Part# 3685808
Part# 3685808
In Stock
shipping-move
$158.40
Pump - EPA 17 Doser 5506956RX - Cummins
positive OEM
Part# 5506956RX
Part# 5506956RX
In Stock
shipping-move
$1,285.86
Module - Fuel Filter MX-13 ESI 2418567PE - Paccar Engine
positive OEM
Part# 2418567PE
Part# 2418567PE
In Stock
shipping-move
$1,261.21
Fuel Bleed Valve V38-1153 - Paccar
positive OEM
Part# V38-1153
Part# V38-1153
In Stock
shipping-move
Special Price $40.10 Regular Price $48.38
Control Valve, HP Fuel Rail 2136382PE - Paccar Engine
positive OEM
Part# 2136382PE
Part# 2136382PE
In Stock
shipping-move
$517.37
Fuel Injector 2005596PEX - Paccar Engine
positive OEM
Part# 2005596PEX
Part# 2005596PEX
In Stock
shipping-move
$1,527.40
Pump-Fuel Lift 1939435PE - Paccar Engine
positive OEM
Part# 1939435PE
Part# 1939435PE
In Stock
shipping-move
$552.69
Fuel Pressure Control Valve 1933121PE - Paccar Engine
positive OEM
Part# 1933121PE
Part# 1933121PE
In Stock
shipping-move
$199.07
Pump-Manual Fuel Priming 1857668PE - Paccar Engine
positive OEM
Part# 1857668PE
Part# 1857668PE
In Stock
shipping-move
Special Price $38.60 Regular Price $44.49
Fuel Transfer Pump 3690768 - Cummins
positive OEM
Part# 3690768
Part# 3690768
In Stock
shipping-move
$727.67
Steering & Fuel Lift Pump Assembly 16L 1782345PEX - Paccar Engine
positive OEM
Part# 1782345PEX
Part# 1782345PEX
In Stock
shipping-move
Special Price $1,295.44 Regular Price $1,647.03
Steering & Fuel Lift Pump Assembly 17cc 1885524PE - Paccar Engine
positive OEM
Part# 1885524PE
Part# 1885524PE
In Stock
shipping-move
Special Price $1,599.99 Regular Price $1,658.07
Fuel Line Male Union 3090400 - Cummins
positive OEM
Part# 3090400
Part# 3090400
In Stock
shipping-move
$24.67
Injector Fuel Supply Connector Retainer 2872317 - Cummins
positive OEM
Part# 2872317
Part# 2872317
In Stock
shipping-move
Special Price $32.49 Regular Price $37.09
Fuel Pump Tester 5573247 - Cummins
positive OEM
Part# 5573247
Part# 5573247
In Stock
shipping-move
Special Price $369.36 Regular Price $402.27
Valve-Return Fuel Bleeder K74-1013 - Paccar
Part# K74-1013
Part# K74-1013
In Stock
shipping-move
Special Price $156.10 Regular Price $181.12
Fuel Pump Support 3687065 - Cummins
positive OEM
Part# 3687065
Part# 3687065
In Stock
shipping-move
$46.49
Hot Deal
Fuel Pump Support 3687025 - Cummins
positive OEM
Part# 3687025
Part# 3687025
In Stock
shipping-move
Special Price $55.44 Regular Price $62.53
Gear Fuel Pump 4089163RX - Cummins
positive OEM
Part# 4089163RX
Part# 4089163RX
In Stock
shipping-move
$955.35
Pump - Fuel Transfer 384-8611 - CAT
positive OEM
CAT
Part# 384-8611
Part# 384-8611
In Stock
shipping-move
$386.29

Fuel Assemblies and components for trucks and semis

Fuel assemblies refer to the combination of components that make up the fuel delivery system, responsible for storing, delivering, and managing the fuel supply to the engine. The fuel assembly ensures a consistent and adequate supply of fuel for efficient combustion and optimal performance.

Some of the primary components of a fuel assembly in trucks and semis include:

  • Fuel tank
  • Fuel pump
  • Fuel lines
  • Fuel filter
  • Fuel injectors
  • Fuel pressure regulator

Properly functioning and well-maintained fuel assemblies are essential for maintaining engine performance and fuel efficiency, as well as overall vehicle reliability.

Most important fuel assemblies to maintain

The fuel tank stores the fuel and is typically made of materials such as steel, aluminum, or high-density polyethylene to prevent corrosion and leakage. It also includes components like the fuel level sender, which measures the amount of fuel in the tank, and the fuel filler neck, through which fuel is added to the tank.

The fuel pump is responsible for pressurizing and delivering fuel from the fuel tank to the engine. There are two main types of fuel pumps used in trucks and semis:

  • Mechanical
  • Electric

Mechanical fuel pumps are driven by the engine’s camshaft, while electric pumps are powered by the vehicle’s electrical system.

Fuel lines are tubes and hoses made of durable materials that transport fuel from the fuel tank to the engine’s fuel system components. The fuel filter removes contaminants, such as dirt, rust, and debris, from the fuel before it reaches the engine. Fuel injectors are responsible for atomizing the fuel and injecting it into the engine’s combustion chamber in precise amounts and at the right time. The fuel pressure regulator helps maintain the correct fuel pressure within the fuel system by regulating the amount of fuel returning to the tank.

For all your fuel assembly parts needs, check out our catalog at Big Rig World for high-quality replacement parts and more.