Free pickup at your local Grainger location. Oil is manufactured by RelaDyne. https://reladyne.com/company/
Full Synthetic
0W20 ($45.80)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT78
5W20 ($45.46)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT79
High Mileage Synthetic Blend-
10W30 ($44.22)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT72
5W20 ($44.58)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT73
5W30 ($41.16)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT74
Synthetic Blend
10W30 ($39.53)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT75
Full Synthetic
0W20 ($45.80)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT78
5W20 ($45.46)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT79
High Mileage Synthetic Blend-
10W30 ($44.22)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT72
5W20 ($44.58)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT73
5W30 ($41.16)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT74
Synthetic Blend
10W30 ($39.53)
https://www.grainger.com/product/DURAMAX-Engine-Oil-6-gal-Size-56HT75