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 16230NOS 6AN-660 BOTTLE NUT ADAPTER
Brand: NOS
Part Number: 16230NOS
-6AN Nitrous Bottle Nut Adapter & PTFE Washer-6AN Nitrous Bottle Nut Adapter & PTFE WasherEasy Insta..
$27.23
NOS 16232NOS 8AN-660 BOTTLE NUT ADAPTER
Brand: NOS
Part Number: 16232NOS
-8AN Nitrous Bottle Nut Adapter & PTFE Washer-8AN Nitrous Bottle Nut Adapter & PTFE WasherEasy Insta..
$34.10
NOS 16233NOS 8AN-660 BOTTLE NUT ADAPTER-AL..
Brand: NOS
Part Number: 16233NOS
8AN -660 BOTTLE NUT ADAPTER- AL7075- BLACKNOS bottle nut adapters allow you to connect your nitrous ..
$24.37
NOS 16235NOS 6AN-326 SWVL BOTTLE ADAPTER
Brand: NOS
Part Number: 16235NOS
-6AN Nitrous Bottle Nut Adapter,-326 Swivel Bottle-6AN Nitrous Bottle Nut Adapter,-326 Swivel Bottle..
$56.81
NOS 16283NOS SIPHON TUBE 5 LB BTL W/ SUPER..
Brand: NOS
Part Number: 16283NOS
CLEARANCE ITEM / ALL SALES FINAL - NOS Siphon Tube for 5 lb Bottle with Super Hi-Flo ValveNOS is mak..
$15.95
NOS 16285NOS SIPHN TUBE 15&20 LB BTL W/ SU..
Brand: NOS
Part Number: 16285NOS
NOS Siphon Tube for 15 lb and 20 lb Bottle with Super Hi-Flo ValveNOS is making available replacemen..
$23.16
NOS 16404-8NOS CONE - 8-PAK 1/8 BERREL
Brand: NOS
Part Number: 16404-8NOS
Compression Fitting, 1/8" Tube Cone Ferule, 8 pc.Compression Fitting, 1/8" Tube Cone Ferule, 8 pc. C..
$15.80
NOS 16500NOS BASE BRACKET ASSEM-CH SOL
Brand: NOS
Part Number: 16500NOS
Solenoid Bracket Nitrous/Fuel Solenoid Bracket for 18000NOS, 18050NOS, 18045NOS, 18048RNOS, 18010NOS..
$16.76
NOS 16505NOS BASE BRACKET ASSEM-P/S SOL
Brand: NOS
Part Number: 16505NOS
Super Powershot Solenoid Bracket for both nitrous (18020NOS) & fuel (18080NOS)Solenoid Bracket Botto..
$12.16
NOS 16340ABNOS 15/20 LB BOTTLE VALVE ASSY ..
Brand: NOS
Part Number: 16340ABNOS
Super Hi-Flow Nitrous Bottle Valve; 3/8 in. Diameter; Incl. 1/8 in. Siphon Tube/15 And 20 lb. Bottle..
$143.95
NOS 16511NOS NOS EXTENDED FUEL SOLENOID BR..
Brand: NOS
Part Number: 16511NOS
Fits NOS Fuel and Nitrous Solenoids with a 1" diameter baseNOS introduces new black anodized nitrous..
$13.36
NOS 16512NOS 4150 BILLET MICROSWITCH BRACK..
Brand: NOS
Part Number: 16512NOS
Billet Microswitch Bracket Kit - 4150 & 4150HP Carburetor FlangeTired of tinkering with your microsw..
$71.65
NOS 16514NOS 4500 BILLET MICROSWITCH BRACK..
Brand: NOS
Part Number: 16514NOS
Billet Microswitch Bracket Kit - 4500 Carburetor FlangeTired of tinkering with your microswitch brac..
$76.45
NOS 16516NOS 4150 BILLET SOLENOID W/THROTT..
Brand: NOS
Part Number: 16516NOS
Billet Solenoid w/ Throttle Bracket Kit - 4150 & 4150HP carburetor flangeTired of looking for the pe..
$293.95
NOS 16520NOS GEN 3 DOMINATOR MICROSWITCH B..
Brand: NOS
Part Number: 16520NOS
Micro Switch Bracket Kit; For Gen 3 Dominator; Black Anodized Aluminum w/Laser Engraved NOS Logo;NOS..
$43.44