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Prevent oil from contaminating your intake
these covers add strength to center of the transmission case eliminating trans oil seepage at the mating surface
OEM design with washers
No need to program
2001-2004 Duramax LB7 Injection Line (AP63722) 2011 - 2016 GM Tools Prevent oil from contaminating your2001 2004 GM Injection Line AP63722 The 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
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