2003 GMC SUBURBAN Parts & Accessories
Browse OEM and aftermarket parts that fit your 2003 GMC SUBURBAN.
2003 GMC SUBURBAN parts categories
Our catalog lists 745 parts for the 2003 GMC SUBURBAN, sorted into 27 categories. This car comes in 4 versions: 5.3L–6.5L diesel and petrol engines from 184 to 290 hp, closed off-road vehicle body, rear-wheel drive and all-wheel drive.
The largest categories are Engine (268), Axle Mounting/ Steering/ Wheels (98) and Maintenance Service Parts (64). Every part below is matched to the 2003 GMC SUBURBAN by vehicle ID, so the fitment shown on each card applies to this car specifically.
2003 GMC SUBURBAN modifications · 4
6.5 Tdi
1999–- Engine
- 6.5L
- Power
- 184 hp
- Code
- L56
- Fuel
- Diesel
- Body
- Closed Off-Road Vehicle
- Drive
- Rear-Wheel Drive
- Type
- Diesel
6.5 Tdi AWD
1999–- Engine
- 6.5L
- Power
- 184 hp
- Code
- L56
- Fuel
- Diesel
- Body
- Closed Off-Road Vehicle
- Drive
- All-wheel Drive
- Type
- Diesel
5.3
1999–- Engine
- 5.3L
- Power
- 290 hp
- Code
- LM7
- Fuel
- Petrol
- Body
- Closed Off-Road Vehicle
- Drive
- Rear-Wheel Drive
- Type
- Petrol Engine
5.3 AWD
1999–2006- Engine
- 5.3L
- Power
- 290 hp
- Code
- LM7
- Fuel
- Petrol
- Body
- Closed Off-Road Vehicle
- Drive
- All-wheel Drive
- Type
- Petrol Engine