7.3L Powerstroke Oil And Fluid Capacity & Specifications
1994-2003 Ford SuperDuty Diesel Oil & Fluid Capacity And Recommendations
Part of obeying a strict 7.3L Powerstroke maintenance schedule is putting the right fluids and oils into your truck. You also need to know just how much oil or fluid your 7.3 calls for! Don’t worry, i’ve got you covered. In this post, our 7.3L Powerstroke Fluid and Oil Capacity Guide, I’ll tell you exactly how much and what type of oil or fluid you need. That means the exact 7.3 Powerstroke OEM Fluid and specifications from Ford. By using our recommended fluids and correctly filling your truck’s components, you’ll be able to extend the useful life of your truck.
How Much Oil And Fluid Do I Need in my 7.3l Powerstroke?
Although 7.3L Powerstroke Fluid Capacity and specifications are listed here, it’s very important to consult your owner’s manual just to be sure! Also, always use your dipstick to determine when your 7.3 has the correct oil or fluid. Depending on your axle, fluid fill specifications vary. Check the owner’s manual to get the proper fluid fill recommendations. 7.3L Powerstroke Online owner’s manuals and diesel supplements are available for free.
| Oil/Fluid | Specs | Capacity – Quarts | Capacity – Liters |
| Engine Oil | All Years | 15 Quarts | 14.2 Liters |
| Auto Transmission Fluid | E40D 4×2 E40D 4×4 4R100 | 15.9 quarts 16.4 quarts 17.1-17.7 quarts | 15 liters 15.5 liters 16.2-16.7 liters |
| Manual Transmission Fluid | ZF S5 5-speed ZF S6 6-speed | 3.4 quarts 5.8 quarts | 3.2 liters 5.5 Liters |
| Transfer Case | BW1536 | 2.0 quarts | 1.9 liters |
| Coolant | 50/50 mixture | 94-97 1999-2003 | 31 Liters |
| Front Differential Fluid | Dana 50 IFS Dana 60 | 1.9 quarts 2.9 quarts | 1.8 liters 2.7 liters |
| Rear Differential Fluid | Sterling 10.25 Sterling 10.50 Dana 80 Dana 135 | 3.75 quarts 3.45 quarts 4.15 quarts 12.25 quarts | 8.3 liters |
What is the best Oil And Fluid To use on my 7.3L?
To keep your 7.3 running strong, we recommend using OEM fluids for just about everything. There is a little bit of flexibility with engine oil. You may need a different viscosity if you are in extremely cold climates. You do not have to go with Motorcraft 15W40 however. There are many good 15W40 engine oils made specifically for a diesel.
| Oil/Fluid Type Needed | Part Name & Link To Buy |
| Engine Oil | 15W40 – Motorcraft 15W40 – Shell Rotella T4 |
| E40D Auto Transmission Fluid 4R100 Auto Transmission Fluid | Mercon V ATF |
| ZF S5 Manual Transmission Fluid ZF S6 Manual Transmission Fluid | Mercon V ATF |
| Transfer Case | Mercon V ATF |
| Coolant | Motorcraft VC 5 |
| Dana 50 Front Differential Fluid Dana 60 Front Differential Fluid | SAE 80W90 SAE 80W90 or SAE 90 Hypoid Gear Oil |
| Dana 80 Rear Differential Fluid Dana 135 Rear Differential Fluid | 75W90 80W90 |
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