5 3 Vortec Crate Engine With Wiring Harness Free. It was ONLY offered in Chevy GMC 12 ton extended cab 4WD trucks in 2005 2006 12 of 2007 - AND I have heard that of those years only about 10-15 of those trucks got the optional L33. Aug 9 2016 - Holy grail of Vortec 485360 Wiring Harness Info.
JEGS 5300 High-Performance LS Crate Engine GM. Custom LSx Wiring harnesses. Contact us today for all your custom LSx Wiring Needs.
Minimum ¾ inch braided strap from the engine to the vehicle chassis.
2005 SIERRA 53 L33 VORTEC ENGINE 4X4 4L60E TRANSMISSION LIFTOUT SWAP 130K MI. 2005 SIERRA 53 L33 VORTEC ENGINE 4X4 4L60E TRANSMISSION LIFTOUT SWAP 130K MI. YES it is a very cool engine. Stand-alone direct-fit made to order and in stock.