RPO LB7 (engine code "1") was first introduced in 2001 and continued until early-2004. It is a 32-valve design with high-pressure common-rail direct injection and an experimental composite design cylinder head.
SEE LB7 PRODUCTS BELOW
There are two VIN codes for the LBZ. The first is VIN 2. While it is the LBZ it has LLY tune tables.
Second is VIN D. This was introduced in late 2005 and continued into 2007 sold only in the...More Details »
The LLY (engine code "2") 402.7 cu in. turbocharged engine which debuted 2004.5 until the end of 2005. It is a 32-valve design with common-rail direct injection and aluminum cylinder heads. The...More Details »
Description: 2001-2007 GM Duramax LB7 LLY LBZ Transfer Case Pump Rub Repair Kit 10001
Here is the best upgrade you can make to your GM transfer case(model 136, 146, 246, 261, 261HD, 263HD, 263XHD, 261XHD)....More Details »
Item #: HD30431
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