2004 Chevrolet Silverado 1500 Wheel Offset

Quick specs

Wheel size: 7x16 · 7.5x17 · 8.5x20
Offset: ET31 · ET22
Backspacing: 4.72 in · 4.97 in · 5.12 in
Bolt pattern: 6x139.7
Center bore: 78.1 mm
Thread: M14 x 1.5
Tire size: Multiple — see configurations

OEM configurations

Configuration	Rim	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
4.3 · 4.3L, V6, Petrol	7x16	ET31	4.72 in	235/75R16	6x139.7	78.1 mm	M14 x 1.5
4.3 · 4.3L, V6, Petrol	7x16	ET31	4.72 in	255/70R16	6x139.7	78.1 mm	M14 x 1.5
4.3 · 4.3L, V6, Petrol	7.5x17	ET31	4.97 in	245/70R17	6x139.7	78.1 mm	M14 x 1.5
4.3 · 4.3L, V6, Petrol	7.5x17	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
4.3 4WD · 4.3L, V6, Petrol	7x16	ET31	4.72 in	245/75R16	6x139.7	78.1 mm	M14 x 1.5
4.3 4WD · 4.3L, V6, Petrol	7x16	ET31	4.72 in	265/75R16	6x139.7	78.1 mm	M14 x 1.5
4.3 4WD · 4.3L, V6, Petrol	7.5x17	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
4.8 · 4.8L, V8, Petrol	7x16	ET31	4.72 in	235/75R16	6x139.7	78.1 mm	M14 x 1.5
4.8 · 4.8L, V8, Petrol	7x16	ET31	4.72 in	255/70R16	6x139.7	78.1 mm	M14 x 1.5
4.8 · 4.8L, V8, Petrol	7.5x17	ET31	4.97 in	245/70R17	6x139.7	78.1 mm	M14 x 1.5
4.8 · 4.8L, V8, Petrol	7.5x17	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
4.8 4WD · 4.8L, V8, Petrol	7x16	ET31	4.72 in	245/75R16	6x139.7	78.1 mm	M14 x 1.5
4.8 4WD · 4.8L, V8, Petrol	7x16	ET31	4.72 in	265/75R16	6x139.7	78.1 mm	M14 x 1.5
4.8 4WD · 4.8L, V8, Petrol	7.5x17	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
5.3 · 5.3L, LM7, V8, Hybrid	7x16	ET31	4.72 in	235/75R16	6x139.7	78.1 mm	M14 x 1.5
5.3 · 5.3L, LM7, V8, Hybrid	7x16	ET31	4.72 in	255/70R16	6x139.7	78.1 mm	M14 x 1.5
5.3 · 5.3L, LM7, V8, Hybrid	7.5x17	ET31	4.97 in	245/70R17	6x139.7	78.1 mm	M14 x 1.5
5.3 · 5.3L, LM7, V8, Hybrid	7.5x17	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
5.3 4WD · 5.3L, LM7, V8, Hybrid	7x16	ET31	4.72 in	245/75R16	6x139.7	78.1 mm	M14 x 1.5
5.3 4WD · 5.3L, LM7, V8, Hybrid	7x16	ET31	4.72 in	265/75R16	6x139.7	78.1 mm	M14 x 1.5
5.3 4WD · 5.3L, LM7, V8, Hybrid	7.5x17	ET31	4.97 in	265/70R17	6x139.7	78.1 mm	M14 x 1.5
6.0 · V8, Petrol	8.5x20	ET22	5.12 in	275/55R20	6x139.7	78.1 mm	M14 x 1.5

Lug hardware

Real-World 2004 Chevrolet Silverado 1500 Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

17-inch — 1 documented build
18-inch — 1 documented build
20-inch — 1 documented build

3 documented builds.

2004 Chevrolet Silverado 1500 custom wheel setup

Staggered · 20×7 ET13 / 20×11 ET38

Documented on a 2004 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Front: 20×7 ET13 · 245/50R20
Rear: 20×11 ET38 · 305/45R20

Suspension: Lowered Adj Coil Overs

Compared with OEM

Compared with the 20×8.5 ET22 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 10 mm less outward poke
Inner edge 28 mm farther from suspension (more inner clearance)
Width -1.5" vs OEM

View full build on Modified1

17×9 ET0

Documented on a 2004 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 265/70R17

Compared with OEM

Compared with the 17×7.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 50 mm farther toward fender (more outward poke)
Inner edge 12 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM

View full build on Modified1

18×9 ET1

Documented on a 2004 Chevrolet Silverado 1500 build — observed custom fitment, not a universal fit guarantee.

Tires: 275/65R18

Suspension: Suspension Lift 2.5"

Compared with OEM

Compared with the 17×7.5 ET31 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 49 mm farther toward fender (more outward poke)
Inner edge 11 mm farther from suspension (more inner clearance)
Width +1.5" vs OEM
Diameter +1" vs OEM

View full build on Modified1

More specs for the 2004 Chevrolet Silverado 1500

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.