Does the Motorcraft FL-820-S Fit the 2021 Ford F150 5.0L?
Compatibility Details
CONFIRMED FIT
Motorcraft FL-820-S: compatible with 2021 Ford F150.
Motorcraft FL-820-S: compatible with 2021 Ford F150.
Good news — this one checks out. The FL-820-S threads right onto the 2021 Ford F150 with no issues. Thread pitch matches, gasket seats properly, and you’ve got clearance to spare. Here’s the full breakdown.
| Specification | FL-820-S | 2021 Ford F150 5.0L Requires | Match? |
|---|---|---|---|
| Thread Size | M20x1.5 | M20x1.5 | ✓ |
| Gasket OD | 65 mm | 65 mm | ✓ |
| Filter Height | 85 mm | — | — |
| Filter Diameter | 76 mm | — | — |
| Anti-Drainback Valve | Yes | Recommended | ✓ |
| Bypass Valve (PSI) | 11 | 8–12 | ✓ |
Hand-tighten until gasket contacts housing, then 3/4 turn more. No thread tape needed on metric threads.
I’ve done the homework. The FL-820-S fits your 2021 Ford F150. Links below.
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