Page 938 - 2021 Sierra Catalog

OIL FILTERS
Part #
Fits:
O.E.M #
18-7824-2
GM Engines (Short Filter)
173232, 502902
18-7875
Ford Engines (Long Filter)
173231, 502900
18-7876-1
GM Engines (Long Filter)
173233, 502901
18-7878-1
M-100, M200 (Short Filter)
502904
18-7879-1
GM V-6 Engines
173834, 502903
SEE PAGES 200-202 & 1165-1190 FOR ADDITIONAL INFORMATION
CYLINDER HEAD ASSEMBLIES
18-4486HP
CYLINDER HEAD ASSEMBLY
Fits:Vortec GM small block 5.7L high performance
Completely assembled with revised runner and combustion chambers. Add 30hp to stock motor with no additional modifications.
18-4501HP CYLINDER HEAD
Fits: Vortec GM small block 5.0L
Completely assembled with revised runner and combustion chambers. Add 30hp to stock motor with no additional modifications.
920
I/O — OMC STERNDRIVE/COBRA - Internal Engine System