Ford F-350 Oil Leak — Where It Usually Comes From, and What It Costs

Based on real repair records · last updated October 20, 2026
44.2%
of Ford F-350 visits for an oil leak involve Gasket / Seal — typically $164 – $674 on this vehicle when it's the only fix
Computed from real Ford F-350 repair visits where the customer reported an oil leak.

Gasket / Seal leads on the Ford F-350 as it does across all vehicles, but the mix is different: Gasket / Seal shows up in 44.2% of Ford F-350 visits against 32.9% for all vehicles. The table below shows each fix for this vehicle next to the all-vehicle share, with what it costs on the Ford F-350.

What it actually turns out to be on the Ford F-350

The fix involvedFord F-350*All vehicles*Typical cost†
Gasket / Seal44.2%32.9%$164 – $674
Sensor10.4%10%$227 – $575
Valve Cover Gasket7.1%17.9%$306 – $755
Oil Pan7.1%11.1%$340 – $882
Oil Cooler / Lines4.4%3.5%$412 – $1,316
Switch2.9%2.3%$143 – $396
Timing Components2.5%5.7%$285 – $710 all vehicles
Other, rarer causessmaller shares—varies

*Share of visits whose repair involved this part, among visits for this complaint that ended in a parts repair. Combined repairs count toward each part involved, so shares overlap and don't add up to 100%.
†Middle half of real Ford F-350 invoices (25th–75th percentile) when this was the only fix, parts + labor; rows marked "all vehicles" use all vehicle types.

Real repair reports

Recent, paid Ford F-350 visits for this complaint — the words as the owner said them, and what it turned out to be.

Ford F-350 owners said

“Vehicle is leaking oil”
2015 Ford F-350 · 151,167 mi · $1,765 · Jan 2026
turned out: Gasket / Seal + more
“Oil leak center of engine”
2015 Ford F-350 · 122,471 mi · $641 · Dec 2025
turned out: Pump
“Diagnose and repair oil leak”
2002 Ford F-350 · 244,676 mi · $524 · Sep 2024
turned out: Gasket / Seal

More on this problem and this vehicle

Take this to the shop

The FixDozer Diagnosis Brief for this complaint puts the all-vehicle odds on one printable sheet. Bring it with this page: the table above shows how the Ford F-350 differs.

Download the Diagnosis Brief (PDF, all vehicles)

View it online · Narrow it down step by step

Where these numbers come from. FixDozer computes statistics from a large, continuously updated body of real-world US automotive repair records.
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