5.9L I6 Cummins Diesel 4WDโ€ข4WDโ€ขAUTOMATICโ€ขdieselโ€ขturbo
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor โ€” $99 โ†’
Fluid ยท Brake Fluid

Brake Fluid

for 1991 Dodge Ram W350 5.9L I6 Cummins Diesel 4WD ยท 4WD
Fluid Type
DOT 3
Spec: FMVSS 116 DOT 3
Capacity
1qt
0.95 L
Drain & Refill
1 qt
0.95 L
Change Interval
30,000 mi
48,270 km

Notes

Hydraulic brake system. Flush interval recommended for moisture contamination.

Buy on Amazon
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases โ€” how we link. This never changes the specs we publish.

Other fluid systems on this vehicle

๐Ÿ”ง Database maintained under the daily editorial review of Chris Hackleman ยท Master Technician ยท 20+ years. Spot an error? Use the Help link above โ€” a human reads every report.
Stuck on this repair? Take it to The Diag Desk โ€” ask a master tech about this exact car โ†’ real human answer within 24h, never AI
โš  STILL BEHIND THE PAYWALL
The 1991 Dodge Ram W350 repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy โ€” and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Dodge Ram W350 โ€” $99 โ†’
Building an app?
Free API access to all this data โ€” 10 requests/day, no card required.
Get an API key โ†’
Run a shop?
Manage repairs, estimates, and customers with ShopBase โ€” $249/mo, all features included.
Try ShopBase โ†’