GM GENUINE PARTS INTAKE MANIFOLD - CATHEDRAL PORT TRUCK 4.8L 5.3L 6.0L - TBSS - NNBS - GM-12638038

GM GENUINE PARTS INTAKE MANIFOLD - CATHEDRAL PORT TRUCK 4.8L 5.3L 6.0L - TBSS - NNBS - GM-12638038

This "NNBS" intake manifold is a popular option to replace the discontinued GM TBSS intake manifold. Originally used on 2010-2014 GM V8 Truck/SUV/Van applications, this intake performs identical to the popular TBSS intakes, making it a great upgrade for 1999-2006 LS Truck/SUV engines. 

Key Features: 

• Bare intake manifold by itself
• 4-Bolt 87-90mm Throttle Body Flange
• Highest Performing factory Cathedral Port Intake Manifold
• Excellent upgrade for 1999-2006 4.8L, 5.3L, and 6.0L LS Truck Engines. 
• Configured for the 2009-2014 style truck MAP sensors (GM # 12711681 for naturally aspirated applications)
• See PN GM-12660709 for matching fuel rails

Original Factory Applications Include (4.8L and 5.3L models only):

CHEVROLET AVALANCHE 2010-2013
CHEVROLET COLORADO 2010-2012
CHEVROLET EXPRESS 1500 2010-2014
CHEVROLET EXPRESS 2500 2010-2017
CHEVROLET EXPRESS 3500 2010-2017
CHEVROLET SILVERADO 1500 2010-2013
CHEVROLET SUBURBAN 1500 2010-2014
CHEVROLET TAHOE 2010-2014
GMC CANYON 2010-2012
GMC SAVANA 1500 2010-2014
GMC SAVANA 2500 2010-2017
GMC SAVANA 3500 2010-2017
GMC SIERRA 1500 2010-2013
GMC YUKON 2010-2014
GMC YUKON XL 1500 2010-2014