Main Applications
- Shell Helix Ultra Professional AG 5W-30 for gasoline and diesel engines is approved against the technically challenging General Motors engine oil specification GMW16177 (dexos2™). It is formulated specifically for the dexos2™ specification, which combines parts of API SN, ACEA C3 and in-house General Motors gasoline and diesel engine tests, for use as a global service fill oil.
Performance, Features & Benefits
- Fuel efficiency
Passes the ACEA fuel economy MB M111FE (CEC-L-54-T-96) test with a minimum of 1.7% fuel efficiency improvement.
- General Motors specific in-house tests
Passes GM RNT valve-train wear test GMPTE-T DUR021 for cam and tappet wear.
Passes the GM aeration test GMPTE-T MEC024.
Passes the GM oil release test gasoline engine (OP-1) GMPTE-T DUR020 for viscosity increase, total acid number and total base number after test.
Passes the GM oil release test diesel engine GMPTE-T DUR019 for wear, cleanliness, oil consumption, viscosity increase and low temperature pumpability.