2023 Ford F-350 Super Duty — Oil Capacity & Filter Specs

The 2023 Ford F-350 Super Duty takes between about 7.5 and 13.0 quarts of engine oil with a new filter, depending on the engine: roughly 7.5–8.0 qt for the 6.8L and 7.3L gas V8s, and 13.0 qt for the 6.7L Power Stroke diesel.

Quick answer

• Oil capacity (with filter):
  • 6.8L gas V8: about 7.5–8.0 qt (7.1–7.6 L) — verify by VIN/owner’s manual
  • 7.3L gas V8: about 7.5–8.0 qt (7.1–7.6 L) — verify by VIN/owner’s manual
  • 6.7L Power Stroke diesel: 13.0 qt (12.3 L)
• Recommended oil weight/viscosity:
  • Gas (6.8L/7.3L): 5W-30 meeting Ford spec below (API SP)
  • Diesel (6.7L): 10W-30 for most climates/duty; 5W-40 for severe duty/hot towing or very cold starts
• Oil specification:
  • Gas: Ford WSS-M2C961-A1 (API SP)
  • Diesel: Ford WSS-M2C171-F1 (API CK-4)
• Oil filter part numbers (by engine):
  • 6.8L gas V8: OEM filter P/N varies — consult a Ford dealer with VIN. Aftermarket cross-refs: verify by VIN before purchase.
  • 7.3L gas V8: OEM filter P/N varies — consult a Ford dealer with VIN. Aftermarket cross-refs: verify by VIN before purchase.
  • 6.7L Power Stroke: Motorcraft FL-2051S; popular cross-refs: Fram PH10575/XG10575, Wix 57526 (confirm fitment for your build date)

Capacity by engine option

Note: Always confirm your exact capacity in the owner’s manual or by the oil life monitor after refill—some trims/options and oil pan revisions can change the fill slightly.

Oil change interval

• Normal service:
  • Gas (6.8L/7.3L): Up to 10,000 miles or 1 year, or as indicated by the Oil Life Monitor (OLM)
  • Diesel (6.7L): Up to 10,000 miles or 1 year, or as indicated by the OLM
• Severe service (frequent towing/hauling, extensive idling, dusty conditions, very short trips, extreme heat/cold):
  • Gas: 5,000 miles/6 months, or sooner per OLM
  • Diesel: 5,000 miles/6 months, or sooner per OLM/engine hours

Tip: On diesel trucks that idle a lot or see frequent DPF regens, track engine hours. Many fleets service at 200–250 engine hours if that occurs before mileage limits.

Drain plug torque

• Torque varies by engine/pan design. Common Ford service values are approximately:
  • Gas 6.8L/7.3L: about 19 lb-ft (26 N·m)
  • Diesel 6.7L: about 30 lb-ft (41 N·m) Always verify the exact torque for your VIN in the service manual or owner’s guide. Over-tightening can strip the pan threads.

Crush washer/gasket note: Ford drain plugs use an integral sealing washer or O-ring style gasket. Inspect and replace the plug or gasket if nicked, flattened, or leaking. If you need a replacement drain plug/washer, consult your Ford parts department with VIN.

How to change the oil

1. Warm the engine, park level, set the brake, and place a drain pan under the plug.
2. Remove the drain plug and allow oil to drain completely. Replace/inspect the sealing washer.
3. Replace the plug and torque to spec (see above).
4. Remove the old oil filter. Wipe the mounting base.
5. Lightly oil the new filter gasket. On the 6.7L Power Stroke, Ford recommends installing the filter dry (do not pre-fill) and tightening per the filter’s instructions.
6. Fill the crankcase with the specified oil: start with ~7.5–8.0 qt for gas V8s or 13.0 qt for the 6.7L diesel.
7. Start the engine, check for leaks, then shut down, wait a few minutes, and recheck the level. Top off to the upper mark.
8. Reset the Oil Life Monitor from the instrument cluster menus.

Common issues / tips for this generation

• 6.7L Power Stroke: Heavy towing and hot climates benefit from 5W-40 CK-4 oil, which can help with shear stability. Watch for fuel dilution that can raise the oil level—shorten intervals if the level climbs between services.
• Large diesel filter: The FL-2051S sits high; install dry and let oil pressure fill it on startup to avoid introducing unfiltered oil/debris.
• Gas 6.8L/7.3L: These pushrod V8s are generally quiet on 5W-30 meeting WSS-M2C961-A1. A brief startup tick after an overnight park is typically normal; ensure a quality filter with an effective anti-drainback valve.
• Skid plates/underbody shields: Some F-350s have shields that obscure the plug or filter. Remove access panels as needed and reinstall properly to prevent rattles.
• Oil life monitor: Trust the OLM but adjust for duty cycle. Frequent cold starts, short trips, or lots of idling justify earlier changes.
• Two fuel filters on diesel: Not an engine-oil item, but align fuel filter service with oil changes to keep maintenance intervals simple.

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