Service Replacement Part and Filter Recommendations
Engine
RPO
Spark Plug
—Gap
—Torque
Oil Filter
PCV Valve
Air Cleaner
Fuel Filter
Pressure Caps
*Optional Davco (K28) D350921 spin
**Optional Cold Weather (KUK) Racor B6484GM spin
fuel water separator mounted on the side of the diesel engine.
6-74
7.2L
LG5
—
—
—
R
CAT
2P4004
—
Donaldson P522606
-
-
AC
TP
915 Primary**
-
RC
54
-
on type filter located in component box.
-
on type located in component box. Optional Davco heated
7.4L
LP4/L21
-
AC Type R41
933
0.060 inch (1.52 mm)
22.0 lb. ft. (30.0 Nm)
-
AC Type PF
932
-
AC Type CV
774C
Donaldson P533355
-
AC Type GF
481*
GM Part No. 15997145