We recommend you use your original Intake manifolds and Exhaust manifolds
"name":"Does this part include a warranty
7L Used Engine (2001-2006) - 60K-90K miles
0L Engine (2001-2002) - 120K-150K miles
7L Engine (2000) - 30K-60K miles
(2000) GMC Truck-Yukon (except XL) 5.3L (VIN T, 8th digit) 5.3L Engine - 60K-90K miles 2005 Infiniti G35 We recommend you use yourGMC Truck Yukon (except XL) 5. 3L (VIN T, 8th digit) 5. 3L Engine (2000) 60K 90K miles This used OEM engine is listed as its own product for the 60K 90K miles option, so the price shown belongs to this exact mileage selection. It is a practical replacement choice for buyers who want an OEM style part without dealer new pricing. Please verify fitment before ordering. Match the year, make, model, engine size, drivetrain, VIN notes, transmission type,