Maintenance and Fluid Information for 2000 Chevrolet T7500 Isuzu 6HK1
For the 2000 Chevrolet T7500 Isuzu 6HK1, you will find 15W-40 and 5W-40 in the engine-oil listings. The matching product listings include Heavy-Duty Synthetic Diesel Oil 15W-40, Signature Series Max-Duty Synthetic Diesel Oil 15W-40, Signature Series Max-Duty Synthetic Diesel Oil 5W-40. 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 oil filter number is listed for my 2000 Chevrolet T7500 Isuzu 6HK1?
The oil-filter part numbers listed for this vehicle include P559128-EA.
What engine oil does my 2000 Chevrolet T7500 Isuzu 6HK1 take?
15W-40, 5W-40 is the engine-oil viscosity listed for this vehicle.
Does severe driving affect oil-change timing for my 2000 Chevrolet T7500 Isuzu 6HK1?
Use the manufacturer’s maintenance schedule for this engine and operating conditions. The available application data does not establish an exact oil-change interval.

