Maintenance and Fluid Information for 2005 Chevrolet W3500 Forward Chevrolet/GMC Vortec V8
For the 2005 Chevrolet W3500 Forward Chevrolet/GMC Vortec V8, you will find 5W-30 in the engine-oil listings. The matching product listings include Signature Series 5W-30 Synthetic Motor Oil, XL 5W-30 Synthetic Motor Oil, OE 5W-30 Synthetic Motor Oil. Those are product matches, not proof that every listed oil meets every requirement for this engine. Check the manufacturer’s oil specification before choosing one.
What type of motor oil does my 2005 Chevrolet W3500 Forward Chevrolet/GMC Vortec V8 use?
5W-30 is the engine-oil viscosity listed for this vehicle.
What is the oil filter part number for my 2005 Chevrolet W3500 Forward Chevrolet/GMC Vortec V8?
The oil-filter part numbers listed for this vehicle include EA15K50-EA, P550794-EA, 57060-EA.
When should I change the oil in my 2005 Chevrolet W3500 Forward Chevrolet/GMC Vortec V8?
Use the manufacturer’s maintenance schedule for this engine and operating conditions. The available application data does not establish an exact oil-change interval.

