Chevrolet 2007 Kodiak Owner's Manual page 354

Spark Plugs
6.6L
7.2L
Isuzu 6H
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
354
Part
®
Operator's Manual in your vehicle for external filter part numbers and information.
GM Part Number ACDelco
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—
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12578277
®
Part Number
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41-983