2001 Chevrolet Silverado Headlight Bulb Size
Low beam
9006
High beam
9005
Order
2 × 9006 + 2 × 9005
Low beam takes a 9006 and high beam takes a 9005 — different bulbs, two of each. They are not interchangeable.
The 1999–2006 Silverado uses these same bulbs — your 2001 sits in the middle of that run. See all Silverado years.
2001 Chevrolet Silverado bulb chart
| Position | Bulb | Notes |
|---|---|---|
| Low beam | 9006 |
Two bulbs, one per side. |
| High beam | 9005 |
Different bulb from low beam — not interchangeable. |
Verified against factory service data and OEM bulb references.
Parts that fit the 2001 Chevrolet Silverado
Other vehicles that use the 9006
These take the same low beam bulb, so the same bulb fits — only the housing differs.