Alliant AP63723 #2 and #7 Injection Line 01-04 6.6L GM Duramax LB7 ALI-AP63407 Cross Reference Part Numbers: W302209

Cross Reference Part Numbers: W302209

torque and lowering EGTs

It improves vehicle performance and and "Low End" torque

and poor drivability

Alliant AP63723 #2 and #7 Injection Line 01-04 6.6L GM Duramax LB7 ALI-AP63407 Cross Reference Part Numbers: W302209The LB7 Duramax's are notorious for injector failure due to a design flaw of the original injectors. Further, it was very common that when these injectors failed, failure would soon occur immediately after, and it was determined that it was due to corrosion build up in the injector lines that simply needed to be replaced ANYTIME the injectors are replaced. This injector line is a direct replacement and will fit either cylinder hole #2 or #7. SOLD