2015 RAM 3500 Wheel Offset

Quick specs

Wheel size: Multiple — see configurations
Offset: Multiple — see configurations
Backspacing: Multiple — see configurations
Bolt pattern: 8×165.1
Center bore: 120.9 mm, 121.3 mm
Thread: M14×1.5
Tire size: Multiple — see configurations

Explore wheels at Tire Rack

Showing matching bolt patterns and offsets up to 30 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

Configuration

No Tire Rack listings for this configuration.

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OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
5.7i · V8, Petrol	8x18	—	ET43	5.69 in	275/70R18	8x165.1	121.3 mm	M14 x 1.5
5.7i · V8, Petrol	8x20	—	ET55	6.17 in	285/60R20	8x165.1	121.3 mm	M14 x 1.5
5.7i · V8, Petrol	9x22	12x22	ET45	6.27 in	305/45R22	8x165.1	121.3 mm	M14 x 1.5
6.4i · V8, Petrol	8x18	—	ET20	4.79 in	275/70R18	8x165.1	121.3 mm	M14 x 1.5
6.4i · V8, Petrol	8x20	—	ET55	6.17 in	285/60R20	8x165.1	121.3 mm	M14 x 1.5
6.4i · V8, Petrol	9x22	12x22	ET45	6.27 in	305/45R22	8x165.1	121.3 mm	M14 x 1.5
6.7TD · I6, Diesel	8x17	—	ET42	5.65 in	265/70R17	8x165.1	121.3 mm	M14 x 1.5
6.7TD · I6, Diesel	8x18	—	ET43	5.69 in	275/70R18	8x165.1	121.3 mm	M14 x 1.5
6.7TD · I6, Diesel	8x20	—	ET55	6.17 in	285/60R20	8x165.1	121.3 mm	M14 x 1.5
6.7TD · I6, Diesel	9x20	—	ET45	6.27 in	305/55R20	8x165.1	121.3 mm	M14 x 1.5

Wheels and hardware

Lug hardware

Wheel locks

Real-World 2015 RAM 3500 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:

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

2 documented builds.

Staggered · 20×12 / Rear unknown

Documented on a 2015 RAM 3500 build — observed custom fitment, not a universal fit guarantee.

Wheel: Centerline LT1

Front: 20×12 · 395/65R20
Rear: —

Compared with OEM

Compared with the 20×8 ET55 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

18×?

Documented on a 2015 RAM 3500 build — observed custom fitment, not a universal fit guarantee.

Tires: 275/70R18

Compared with OEM

Compared with the 18×8 ET43 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Compare your own setup

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

OEM baseline

Open full fitment calculator

More specs for the 2015 RAM 3500

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.