2019 Ford Flex Differential fluid

Depends on your version. Choose yours, or compare them here.

  • All (All Wheel Drive) Motorcraft® SAE 80W-90 Premium Rear Axle Lubricant rear differential
  • 3.5L Duratec (All Wheel Drive) 2.43 pt (1.15 L) pt rear differential
  • 3.5L EcoBoost (All Wheel Drive) 2.43 pt (1.15 L) pt rear differential

2019 Ford Flex Owner's Manual, PDF pages 309, 308 and 312

Motorcraft® SAE 80W-90 Premium Rear Axle LubricantOpen the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed

Differential fluid (rear differential) · All (All Wheel Drive) · PDF page 309

Motorcraft® SAE 80W-90 Premium Rear Axle Lubricant

Differential fluid (rear differential) · 3.5L Duratec (All Wheel Drive) · PDF page 308

2.43 pt (1.15 L)

Differential fluid (rear differential) · 3.5L EcoBoost (All Wheel Drive) · PDF page 312

2.43 pt (1.15 L)

See every quote (3 values)

All versions

3 values
Applies toValueManual saysPage
All (All Wheel Drive) Motorcraft® SAE 80W-90 Premium Rear Axle Lubricantrear differential “Motorcraft® SAE 80W-90 Premium Rear Axle Lubricant” PDF page 309 ↗
3.5L Duratec (All Wheel Drive) 2.43 pt (1.15 L) ptrear differential “2.43 pt (1.15 L)” PDF page 308 ↗
3.5L EcoBoost (All Wheel Drive) 2.43 pt (1.15 L) ptrear differential “2.43 pt (1.15 L)” PDF page 312 ↗

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