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Fits 5.9L 94-2001 only. This is the big 22mm 1.5 pitch drain.This is a tricky listing so please verify before ordering.

Direct replacement upgraded turbo for 2004.5-2010 Duramax LLY, LBZ, and LMM for a mild performance increase.

Fits ONLY 97 up 6.5 and ALL with dual thermostat configuration upgrade. These are the OE thermostats rated 88°c or 190°f. Best heater performance in cold weather and flow equal to the Robertshaw stats. This is what I always ran in my '96 as I prefer warm yet stable temps.

Single plug for 2001-2004 Duramax LB7. $ave by buying complete set of 8 listed below.

Single Genuine AC Delco plug for 2006-2016 LBZ,LMM, and LML only. $ave by buying complete set of 8 listed below.

"Includes 2006 LLY which should be considered LBZ for all parts purchases." -JK

OE replacement "rail" that connects each bank of 4 plugs together on LB7 Federal emissions trucks. In corrosive climates these rails often rust off by the #8 plug leaving the other seven plugs inoperable. Sold per ea. 2 pc per engine.

Set of 8 plugs for 2001-2004 LB7 only.

Set of 8 genuine AC DELCO plugs for 2006-2016 LBZ, LMM, LML only.

"Includes 2006 LLY which should be considered LBZ for all parts purchases." -JK

Contains 36 OEM torque to yield (single use) head bolts.

Head gasket selection is determined by looking at a hole punch in your original gaskets. By going with the grade C gasket there is no concern of clearance issues whatsoever unless you bore or deck the block.

Price includes 1 RH and 1 LH gasket. Be sure to add appropriate bolts or studs to complete the project.