Fitment:
Fitment:
For GMC:
For Sierra 1500 5.3L V8 2014-2019;
For Yukon 5.3L V8 2015-2019;
For Yukon XL 5.3L V8 2015-2019;

For Chevrolet:
For Silverado 1500 5.3L V8 2014-2019;
For Tahoe 5.3L V8 2015-2019;
For Suburban 5.3L V8 2015-2019.

OE Number:
Head Gasket: HS26744PT, HGS4308, HS54996, HS8429, 12657968, 12622325, 26744PT, 54996, 64283, 12630883, 12626354, HBK4308, GS33898;
Head Bolts: 11611976, 11546959, ES73121, GS33938, AHB1351.

Package Includes:
2 * Multi-layered Steel (MLS) Head Gasket;
2 * Valve Cover Gasket;
16 * Valve Stem Seals;
1 set * Intake Manifold Gasket;
1 set * Exhaust Manifold Gasket;
1 set * Cylinder Head Bolts (20 Long Bolts, 2 Shortl Bolts).