Jun 3, 2003. 5.7L Intake Manifold Gasket - posted in Fullsize Truck & SUV: Noticed a very small leak. I also had other work done (new belt and oil change among other smaller stuff). one intake manifold gasket set for '98 5.7 Vortec. Intake manifold gasket replacement - Chevy Tahoe Forum | GMC Yukon. INTAKE MANIFOLD GASKET, 5.7 LITER VORTEC. '97 K1500 Suburban/5.7 Vortec, BTW. ... Instead it took 2.5 days to replace the intake manifold gasket needlessly, put it all back together, cry. I need to replace my intake manifold gasket. .. set of intake gaskets from gm for the vortec 5.7 pm your address and I will give them to you! Sierra 18-0488 Intake Manifold Gasket Set 5.0 and 5.7-Liter GM Chevy VORTEC 1996 and newer Engines, with 8-BOLT INTAKE MANIFOLD, Includes. Pictures are for illustrations purposes only, Prices are subject to change without notice. I have a 1996 GMC K1500 with 5.7L Vortec. Yesterday I had in replace my intake manifold gaskets. Upon disassembly, I marked the distributor.