Maintenance and Fluid Information for 2008 GMC W3500 Forward Chevrolet/GMC Vortec V8
For the 2008 GMC 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 SAE oil grade is listed for my 2008 GMC W3500 Forward Chevrolet/GMC Vortec V8?
The engine-oil viscosities listed for this vehicle are 5W-30.
What oil filter is listed for my 2008 GMC W3500 Forward Chevrolet/GMC Vortec V8, and what is the part number?
The oil-filter part numbers listed for this vehicle include EA15K50-EA, P550794-EA, 57060-EA.
Does severe driving affect oil-change timing for my 2008 GMC 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.

