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 16521NOS NOS NITROUS STRAIT SOLENOID B..
Brand: NOS
Part Number: 16521NOS
Fits NOS Fuel and Nitrous Solenoids with a 1-5/8" diameter baseNOS introduces new black anodized nit..
$17.01
NOS 16522NOS 90DEG NITROUS SOLENOID BRACKE..
Brand: NOS
Part Number: 16522NOS
Fits NOS Fuel and Nitrous Solenoids with a 1-5/8" diameter baseNOS introduces new black anodized nit..
$17.01
NOS 16527NOS NOS DUAL DIAGONAL SOLENOID BR..
Brand: NOS
Part Number: 16527NOS
Fits NOS Fuel and Nitrous Solenoids with 1" & 1-5/8" diameter baseNOS introduces new black anodized..
$65.15
NOS 16529NOS NOS DUAL ONE SIDE SOLENOID BR..
Brand: NOS
Part Number: 16529NOS
Fits NOS Fuel and Nitrous Solenoids with 1" & 1-5/8" diameter baseNOS introduces new black anodized..
$59.19
NOS 16710NOS 1/8NPT DIST BLOCK 1 IN 4
Brand: NOS
Part Number: 16710NOS
Nitrous Distribution Block, 1 In 4 Out - 1/8" NPT Standard Block, BlackNitrous Distribution Block, 1..
$69.49
NOS 16750-C-SNOS 1/8 DIST BLK 2 IN-16 OUT
Brand: NOS
Part Number: 16750-C-SNOS
Nitrous Distribution Block, 2 In 16 Out - 1/8" NPT Siamese Block, Chrome, polishedNitrous Distributi..
$123.95
NOS 16752NOS SHOWERHEAD DIST. BLOCK WITH F..
Brand: NOS
Part Number: 16752NOS
3/8” NPT Inlet – 4 x 1/8" NPT Outlets, Fittings IncludedQuality distribution blocks are a necessity ..
$86.89
NOS 16756NOS -8 O RNG PORT TO 4X -6 O RNG ..
Brand: NOS
Part Number: 16756NOS
Inlet: -8 AN O-Ring Female Port, Outlet: (4) x -6 AN O-Ring Female Port, No Fittings, Black Anodized..
$46.30
NOS 17002NOS 3/8 OE FUEL LINE TO 3 1/8 NPT..
Brand: NOS
Part Number: 17002NOS
Black Anodized Aluminum - (3) 1/8" NPT Ports w/ Adapters & Plugs, -4 AN Fuel PortEliminates Cutting,..
$54.29
NOS 17003NOS 5/16 OE FUEL LINE TO 3 1/8 NP..
Brand: NOS
Part Number: 17003NOS
Black Anodized Aluminum - (3) 1/8" NPT Ports w/ Adapters & Plug, -4 AN Fuel PortEliminates Cutting, ..
$39.59
NOS 17015NOS 3/8 OE QUICK CONNECT TO 1/8 N..
Brand: NOS
Part Number: 17015NOS
Fits 3/8" Fuel Tube to 1/8" NPT MaleFor use with late model 3/8" diameter OE fuel rails & lines. Eas..
$16.11
NOS 17016NOS 5/16 OE QUICK CONNECT TO 1/8 ..
Brand: NOS
Part Number: 17016NOS
Fits 5/16" Fuel Rail to 1/8" NPT MaleFor use with late model 5/16" diameter OE fuel rails & lines. E..
$15.05
NOS 17242NOS SOL TEE 1/8 NPT X 1/8 NPT BLU..
Brand: NOS
Part Number: 17242NOS
1/8" NPT Male - 1/8" NPT Female - 1/8" NPT Male - AluminumPurge Kit/Gauge Adapter, 1/8" NPT Male - 1..
$34.10
NOS 17250NOS FLARE TEE-3AN X 1/8NPT BLUE
Brand: NOS
Part Number: 17250NOS
Flare to Pipe T Fitting, 3AN - 3AN - 1/8" NPT, BlueFlare to Pipe T Fitting, 3AN - 3AN - 1/8" NPT, Bl..
$40.49
NOS 17255NOS FLARE JET Y FITTING(BLUE)
Brand: NOS
Part Number: 17255NOS
Specialty Y Fitting, Flare Jet To 1/8" NPT, BlueSpecialty Y Fitting, Flare Jet To 1/8" NPT, BlueSpec..
$46.32