Injector Parts for Duramax engines at wholesale prices

Duramax LB7 & LLY injector rebuild kits

Injector parts for Duramax engines at wholesale prices.

We know how expensive it can be to have your diesel injectors repaired. Rebuild your LB7 or LLY injectors yourself with a complete kit of new parts.

  • Since 2006Duramax injector parts
  • 1-year warrantyon parts in our kits
  • OEM or +30nozzle sizing

Injector rebuild kits

Everything you need for all 8 injectors

Full and Basic kits for the LB7 and LLY Duramax. LB7 kits are available with Standard OEM or Oversized +30 nozzles.

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LB7 · Full kit Full Duramax LB7 injector kit parts laid out

Full Duramax 2001-2004 LB7 Injector Kit

8 new nozzles plus nozzle, fuel line & solenoid-side O-rings, return line & fuel-head seals, valve seal balls, valve stem seals, valve seal washers (parts 21 & 22) and copper nozzle heat syncs.

Standard OEM Oversized +30
Price range: $485 through $625
LLY · Full kit

Full Duramax 2004.5-2005 LLY Injector Kit

8 new OEM size nozzles, 8 nozzle O-rings, 8 solenoid side O-rings, 8 steel internal valve seal balls and 8 copper nozzle heat syncs.

OEM size nozzles
Original price was: $575.Current price is: $485.
LLY · Basic kit

BASIC Duramax 2004.5-2005 LLY Injector Kit

8 new OEM size nozzles, 8 nozzle O-rings, 8 fuel line O-rings and 8 copper nozzle heat syncs.

OEM size nozzles
Original price was: $455.Current price is: $445.

Tools & repair parts

P0380 relay

P0380 Code Repair Parts

80 amp relay for the Duramax glow plug controller or intake heater controller.

Will not work in California emission trucks.

Original price was: $32.50.Current price is: $25.50.

Why Wholesale Injectors

Since 2006

Injector parts for Duramax engines at wholesale prices.

1-year warranty

The parts in our kits are covered for one year from the date of sale.

OEM or +30 nozzles

OEM stock sizing, or 30 over for the horsepower gain.

DIY-friendly

Install videos and injector info to guide your rebuild.

Mechanic's hands using a wrench on an engine
$435Rebuild kits starting price

Rebuild it yourself

Just the kits for you, whether it's power or smoke.

Wholesale Injectors knows how expensive it can be to have your diesel injectors repaired. It's simply what we do, and we offer a complete line of rebuilding parts for injectors to fuel your LB7 and LLY Duramax.

Whether you're simply looking for a little more power to pull your fifth wheel, or trying to eliminate that “cloud” of smoke you are creating, Wholesale Injectors has just the kits for you.

  • OEM stock sizing and 30 over injectors for the horsepower gain
  • Full and Basic kits, plus individual injector parts and LB7 tools
  • Install videos on our Info & Videos page
  • Questions? Call (612) 888-DMAX

Customer testimonials

From Duramax owners who did it themselves

Leave a Testimonial

Just installed the basic kit to cure hazing problem (bad). Seems to have completely solved problem. Thanks for the pre install info, and not trying to upsell me. This truck has almost 290k on it. Very happy.

“Nozzle tips for LB7”Customer testimonial

After months of research for the most cost-efficient way to solve my hazing issue . I chose wholesale injectors for their budget friendly injector rebuild kit. After rebuilding and installing my injectors my truck fired right up and runs beautiful and saved thousands of dollars ! now I have the pride of saying I completed it on my own with the help of www.wholesaleinjectors.com

“Big savings”Customer testimonial

My 03 lb7 truck was hazing ..I purchased the nozzles in a kit ..did the rebuild myself and no more hazing. . Dealer wanted $5000 to do the job. ..my cost $485.00 from wholesaleinjectors.com. very good parts and video thanks

JohnCustomer testimonial

I bought the complete set for my LB7, was not as hard as i thought it would be to fix. With assistance from the guys at Wholesale Injectors, My smoking issue and knocking are fixed at a fraction of the cost. Thanks Again!

“Great Product, Fixed my issue”Customer testimonial

products are awesome!

“Thanks”Customer testimonial

Not sure which kit you need?

Talk to us before you buy.

Tell us your year and engine and we'll help you pick the right kit and nozzle size for your LB7 or LLY Duramax.