Engine Oil

for 1972 Plymouth Duster 340 340ci V8 · RWD

Fluid Type

10W-40 or 20W-50

Spec: API SE or SF

Capacity

5qt

4.73 L

Drain & Refill

5 qt

4.73 L

Change Interval

3,000 mi

4,827 km

Notes

340 V8 (5.6L). Capacity with filter. Modern high-zinc oils (ZDDP 1200+ ppm) recommended for flat tappet cam protection. 1972 had lower compression due to emissions.

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Other fluid systems on this vehicle

Automatic Transmission

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.

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