Bosch 047-090 90 Degree Fuel Injector Return Line Fitting (Leak Back "L" Fitting)New
This is a brand new OEM fuel injector return line 90 degree "L" fitting. Often referred to as the leak-back L fitting, these will fit all 2004.5-2010 Duramax Diesel Engines (LLY, LBZ, & LMM). These 90 degree fittings can be found on both the driver and passenger side fuel injector return lines and often become brittle and break upon removal. Inspect your return line and return line fittings when doing any injector service.
Description: Bosch 90 Degree Fuel Injector Return Line Fitting (Leak Back "L" Fitting)
Condition: New
Price: $19.95
Bosch 047-100 Fuel Injector Return Line T-Fitting (Leak Back "T" Fitting)New
This is a brand new OEM fuel injector return T" fitting. Often referred to as the leak-back T fitting, these fittings will fit all 2004.5-2010 Duramax Diesel Engines (LLY, LBZ, & LMM). These T fittings can be found on both the driver and passenger side fuel injector return lines and often become brittle and break upon removal. Inspect your return line and return line fittings when doing any injector service.
Description: Bosch Fuel Injector Return Line T-Fitting (Leak Back "T" Fitting)
Condition: New
Price: $14.99
Continental ConiTech Insta-Grip 1/2 Fuel Hose 300PSI Made in USA (1 Foot)New
This Made in the USA Instagrip hose is DHD's hose of choice for any fuel related repairs. Dont be fooled by cheap heater hoses or silicone options that swell or deteriorate over time. This hose lasts and its thick wall help resist kinks.
Specs:
1/2"
300 PSI Rated
Flame Resistant
Non-Conductive
Fuel Return Lines & Fittings|Fuel System Component Parts
These fuel return manifolds are the perfect solution for simplifying the injector fuel return on 2004-5-2010 Duramax trucks. This kit is ultra high-flow and works well with twin CP3 high fuel volume performance trucks. The tube is threaded 1/8NPT on both ends so plumbing options are endless.
Tube Kit Includes:
-(2) Anodized Black or Polished Aluminum Fuel Tubes
-(8) Pre-Installed Billet Injector Return Fittings and O-Rings
Note: Due to endless variations in return plumbing and routing, this kit does not include any fittings or hoses beyond the 2 provided 1/8" NPT plugs.
Note: We have not confirmed fitment on stock trucks with stock engine accessories and engine mounting. Its likely there may be interference on FICM equipped trucks as well as space limitations at the drivers side firewall area.
Note: The tube structure of these rails could be shortened and rethreaded by the end user for certain applications. Modifications to the rail are the responsibility of the end user and are not warranted by DHD.
Dirty Hooker DieselAN Fittings|Fuel System|Fuel Return Lines & Fittings|Fuel System Component Parts
DHD 700-515 Ultimate Fuel/Oil Mechanical Shut Off Dump ValveNew
As the industry progresses and our competitive trucks reach there mechanical limits, its important we never forget about safety! Stopping fuel flow or oil flow during catastrophic runaway is this valves sole purpose. This valve assembly is the product of our teams personal experiences and analysis of our 2019 UCC Dyno Fire. Stop the fuel, stop the oil, stop the fire!
DHD 700-520 Fuel/Oil Mechanical Shut Off Dump ValveNew
As the industry progresses and our competitive trucks reach there mechanical limits, its important we never forget about safety! Stopping fuel flow or oil flow during catastrophic runaway is this valves sole purpose. This valve is the product of our teams personal experiences and analysis of our 2019 UCC Dyno Fire. Stop the fuel, stop the oil, stop the fire!
DHD 700-97228929 LB7 Fuel Return Line Bolt Set (For Rail-to-Injector) 2001-2004New
Its always best practice to replace these return line bolts and banjo seals during any LB7 fuel injector install. These bolts are notorious for stripping out during removal. Our DHD return line bolts provide a cost effective solution to replacement rather then $10 a bolt for OE.
These banjo style bolts secure the steel snake shaped return rail to fuel injector. Each kit includes 8 bolts, enough to service 1 LB7 Duramax.
The RTF26410 kit can be used in place of GM kits 97328733
and 98062291. The GM kits are specific to either the right or left side of the
engine while the RTF26410 kit can be used with the injectors on either side.
The kits includes the return adapters and o-rings,
adapter retaining clips, and a length of return line hose sufficient for either
engine side.
Exergy Duramax LB7 to LML Fuel Rail Pressure Sensor Adapter New
If your running out of scale on your LB7 rail pressure sensor then this adapter is what you need! Factory LB7 sensors max out at approx 26,600psi which is not enough for todays aggressive tuning. Installing this adapter will allow you to run a LML rail pressure sensor which has a larger 31,000psi scale. This is a precision machined, heat treated fitting designed specifically for the job. Installs in place of your factory sensor at the fuel block in the valley.
Use in conjunction with E05-10521 or GM #12611873 / 12651990.
Specs:
M12x1.5 Male Sensor Port to M18x1.5 Female
Exergy PerformanceFuel Return Lines & Fittings|Fuel System Component Parts
Exergy High Performance LB7 Duramax Injector Line Set (Per Side)New
These Exergy Performance LB7 High Pressure lines are the perfect solution for race trucks. These lines are considerably thicker than OE and are designed to handle the extreme line pressures desired by todays leading tuners. Exergy's lines are sold per bank.
Each kit includes 4 high pressure lines designed to replace the following GM numbers.
If you've exhausted your options trying to find the source of a fuel pressure loss. This rail may be your issue. DHD has had a select few LML's pass through the shop needing fuel rails.
GMFuel Return Lines & Fittings|Fuel System Component Parts
GM 12637722 Duramax Fuel Test Port LB7 LLY LBZ LMM LMLNew
Replace your leaking low pressure test port with this OE replacement from DHD. This test port comes with the OE thread on dust cap and is factory sealed to prevent contamination.
GM 12639000 LML LGH Duramax Fuel Return Line Assembly 2011-2016New
It always best practice to replace rubber return lines during any major system disassembly. These hoses often get brittle and have a tendency to wear on high mileage vehicles. Although the exterior of the hose may look fine its not uncommon to see degradation on the interior of the hose. We see lots of these hoses get damaged during service or during performance upgrades.
This is an actual OE regulated injector return line assembly. Services both banks and includes regulated return valve. Buy with confidence!
GM 12639000D LML LGH Duramax Drivers Side Fuel Return Line 2011-2016New
It always best practice to replace rubber return lines during any major system disassembly. These hoses often get brittle and have a tendency to wear on high mileage vehicles. Although the exterior of the hose may look fine its not uncommon to see degradation on the interior of the hose. We see lots of these hoses get damaged during service or during performance upgrades.
This is an actual OE DRIVERS SIDE injector return line.
GM 12639000P LML LGH Duramax Passenger Side Fuel Return Line 2011-2016New
It always best practice to replace rubber return lines during any major system disassembly. These hoses often get brittle and have a tendency to wear on high mileage vehicles. Although the exterior of the hose may look fine its not uncommon to see degradation on the interior of the hose. We see lots of these hoses get damaged during service or during performance upgrades.
This is an actual OE PASSENGER SIDE injector return line.
It always best practice to replace rubber return lines during any major system disassembly. These hoses often get brittle and have a tendency to wear on high mileage vehicles. Although the exterior of the hose may look fine its not uncommon to see degradation on the interior of the hose. We see lots of these hoses get damaged during service or during performance upgrades.
This is an actual OE Regulated 9th Injector return line. This portion of the the return line does not include the drivers or passenger side injector returns.
Description: 2011 Duramax, Fuel Return Line Assembly
Condition: New
Price: $109.46
Sale: $92.75
Save: 15%
Save: $16.71
GM 12645582 LML Low Pressure Fuel Return HoseNew
Its always best practice to replace fuel system hoses during system service. Hoses become brittle and degrad over time which can introduce foreign material into your fuel system.
If you've exhausted your options trying to find the source of a fuel pressure loss. This rail may be your issue. DHD has had a select few LML's pass through the shop needing fuel rails.
GMFuel Return Lines & Fittings|Fuel System Component Parts
GM 94011618 Duramax Cold Start Valve O-Ring Test Port O-RingNew
Its always best practice to replace this o-ring during test port replacement or removal. Use this o-ring in conjunction with our DHD fuel test port caps or the OE test port to ensure a perfect seal.
GM 97188733 LB7 Duramax Diesel Factory Fuel Return Line (Works on Both Sides)New
This is a genuine GM Duramax Diesel Factory Fuel Injector Return Line. This return line will only work on the LB7 engines and will work on either bank of the motor.
GM 97215995 LB7 Duramax Rear Fuel Return Hard Line New
Its not uncommon for these lines to get bent or damaged during service. Always inspect the integrity of your hard lines during reassembly. This line has a threaded provision for the fuel temperature sensor GM # 97224993.
This is a genuine OE replacement return hard line. #11 in illustration above.
Fitment:
2001-2004 LB7 Duramax 6.6L
Note: We can confirm fitment with your vin if you wish.
GM 97328733 Driver Side Fuel Return Line (Bosch Leak Back Line) 2005-2010New
GM 97328733 Driver Side Fuel Return Line (Bosch Leak Back Line)
This is a genuine GM driver side fuel return line by Bosch. This is a complete line and is a direct replacement. Save money and purchase this line at a fraction of the cost!
GM 97359750 (Bosch F-00R-J00322) Duramax Diesel Fuel Return Line ClipNew
Bosch Fuel Injector Return Line Clip
Part Number: F-00R-J00322
This is a new OEM Bosch fuel injector return line clip. These clips hold the fuel injector return line to the top of the fuel injector. Often times they will corrode or break and a new one is required to hold the line down. These clips will work on any 2004.5-2010 LLY, LBZ, and LMM Duramax Diesel. One clip is needed per injector.
Description: GM Duramax Diesel Fuel Return Line Clip (1 Per Injector)
Condition: New
Price: $6.75
GM 97376410 Duramax Test Port Low Pressure Steel Line LBZ-LMMNew
Its not uncommon to have this line crack or fail during test port service or use. This line will replace the small low pressure section adjacent to the alternator on most LBZ and LMM equipped trucks. To confirm fitment please call and we can verify fitment using your vin.
Note: Line Does NOT Include Test Port or O-Ring
OE Test Port GM# 12637722
O-Ring GM# 94011618
Optional Test Port Caps DHD 007-0227 or DHD 007-0243
GMFuel Return Lines & Fittings|Fuel System Component Parts
GM 98062291 Passenger Side Fuel Return Line (Bosch Leak Back Line) 2005-2010New
GM 98062291 Passenger Side Fuel Return Line (Bosch Leak Back Line)
This is a genuine GM passenger side fuel return line by
Bosch. This is a complete line and is a direct replacement. Save money and
purchase this line at a fraction of the cost!
Sometimes you just have to look good, and your engine is no different. With these polished PPE Left and Right Side Cylinder Head Bank Manifolds, your diesel will take on an air of sophistication. Great for "hot rod" applications where looks count, these manifolds match perfectly with our polished High Flow Intake Manifold.
