2004 Chevrolet Silverado 1500 Wheel Offset

ET31 · ET22

Quick specs

OEM offset: ET31 · ET22
Wheel size: 7x16 · 7.5x17 · 8.5x20
Backspacing: 4.72 in · 4.97 in · 5.12 in
Bolt pattern: 6×139.7
Center bore: 78.1 mm
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

See how a different wheel would sit See wheel backspacing

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See how a different width or offset sits versus an OEM configuration for this year.

OEM baseline

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Wheels and hardware for this vehicle

Lug hardware

Wheel locks

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

OEM offsets are catalog configurations, not an aftermarket “safe ET range.” Matching offset alone does not confirm clearance. Documented custom builds are observed setups only.