GMC TopKick 2007 Owner's Manual page 355

Power Steering Fluid Filter
Secondary Fuel Filter
6.6L
7.2L
7.2L (KUK)
7.2L (NWB)
7.8L
7.8L (KUK)
8.1L (K28 and standard Uhaul)
Spark Plugs
6.6L
7.2L
7.8L
8.1L
1
Optional air filter (GM Part No. 88937548 AC Delco No. A2035C) for C6/C7/C8 Models. Fits inside standard size
filter (GM Part No. 88937525 AC Delco No. A2031C) listed previously.
†Racor part number.
®
††Caterpillar part number.
See the Allison Transmission
Part
®
Operator's Manual in your vehicle for external filter part numbers and information.
GM Part Number ACDelco
88892858
—
25014274
88983117
15618921
25014274
88983117
25014476
—
—
—
12578277
®
Part Number
—
—
TP915D
TP1519
—
TP915D
TP1519
TP1247
—
—
—
41-983
355