Fuel Systems
Diesel Truck Fuel Systems
Diesel fuel systems are uniquely designed to provide superior efficiency, durability, and performance for heavy-duty trucks. Unlike gasoline systems, diesel truck fuel systems rely on compressed air and high-pressure injection, making them ideal for towing and long hauls. If you want to repair or upgrade one of these refined systems, you need high-quality diesel truck fuel system parts.
At Black Diamond Unlimited, we offer a comprehensive selection of diesel truck fuel system accessories to meet every need. From precision-engineered carburetor fittings and fuel cells to advanced methanol injection accessories and nitrous accessories, our diesel truck fuel tank parts will deliver the power and performance you’re after.
NOS 17283NOS FLAT NOZZLE MOUNTING KIT
Brand: NOS
Part Number: 17283NOS
Nozzle Mounting KitNozzle Mounting Kit - Required for mounting nitrous nozzles in thin-wall tubing o..
$18.27
NOS 17284NOS WELD-IN BUNG FOR NITROUS NOZZ..
Brand: NOS
Part Number: 17284NOS
8-Pack of Aluminum Weld-in Nitrous Nozzle fittings 1/16" NPTSetting up a manifold for a Direct Port ..
$34.10
NOS 17540NOS 3AN X 1/8 TUBE NUT BLUE
Brand: NOS
Part Number: 17540NOS
Tube Nut, 3AN - 1/8" Tube, BlueTube Nut, 3AN - 1/8" Tube, BlueTube NutInformation:Not all nitrous co..
$4.51
NOS 17541NOS 3AN X 1/8 TUBE NUT RED
Brand: NOS
Part Number: 17541NOS
Tube Nut, 3AN - 1/8" Tube, RedTube Nut, 3AN - 1/8" Tube, RedTube NutInformation:Not all nitrous comp..
$4.51
NOS 17550NOS 3AN X 3/16 TUBE NUT BLUE
Brand: NOS
Part Number: 17550NOS
Tube Nut, 3AN - 3/16" Tube, BlueTube Nut, 3AN - 3/16" Tube, BlueTube NutInformation:Not all nitrous ..
$4.81
NOS 17551NOS 3AN X 3/16 TUBE NUT RED
Brand: NOS
Part Number: 17551NOS
Tube Nut, 3AN - 3/16" Tube, RedTube Nut, 3AN - 3/16" Tube, RedTube NutInformation:Not all nitrous co..
$4.81
NOS 17600NOS 3AN X 3/16 SLEEVE BLUE
Brand: NOS
Part Number: 17600NOS
Tube Sleeve, 3AN - 3/16" Tube, BlueTube Sleeve, 3AN - 3/16" Tube, BlueTube SleeveInformation:Not all..
$4.81
NOS 17601NOS 3AN X 3/16 SLEEVE RED
Brand: NOS
Part Number: 17601NOS
Tube Sleeve, 3AN - 3/16" Tube, RedTube Sleeve, 3AN - 3/16" Tube, RedTube SleeveInformation:Not all n..
$4.81
NOS 17613NOS AN3 - 3/16 TUBE SLEEVE, STAIN..
Brand: NOS
Part Number: 17613NOS
NOS Black Tube Sleeve 3/16NOS now offers black and natural stainless steel finish tube nuts and tube..
$8.47
NOS 17835NOS 6AN Y-BLOCK (BLUE)
Brand: NOS
Part Number: 17835NOS
Specialty Y Fitting, 6AN - 6AN - 6AN, BlueSpecialty Y Fitting, 6AN - 6AN - 6AN, BlueSpecialty Y Fitt..
$69.49
NOS 17943NOS FLARE JET ADAPTOR, ALUMINUM, ..
Brand: NOS
Part Number: 17943NOS
FLARE JET ADAPTER, ALUMINUM, BLACKNOS are continually adding to our line of fittings and specialty p..
$9.72
NOS 17952NOS FLARE JET ADAPTOR, BLUE
Brand: NOS
Part Number: 17952NOS
Flare Jet Adapter, 3AN - 1/8" NPT, Straight, BlueFlare Jet Adapter, 3AN - 1/8" NPT, Straight, BlueFl..
$20.68
NOS 17953NOS FLARE JET ADAPTOR, RED
Brand: NOS
Part Number: 17953NOS
Flare Jet Fitting, 3AN - 1/8" NPT, Straight, RedFlare Jet Fitting, 3AN - 1/8" NPT, Straight, RedNOS ..
$20.68
NOS 17954SSNOS FLARE JET ADAPTER - 1/4-28 ..
Brand: NOS
Part Number: 17954SSNOS
Fogger Nozzle Jet Fitting, 3AN - 1/4-28", Straight, Stainless SteelFogger Nozzle Jet Fitting, 3AN - ..
$8.47
NOS 18000BNOS CHEATER SOLENOID N2O, BLACK
Brand: NOS
Part Number: 18000BNOS
Cheater Nitrous SolenoidThe NOS Cheater solenoid has been the standard in the performance and racing..
$220.95