Does the Acdelco PF46E Fit the 2021 Nissan Altima 2.5L?
Compatibility Details
CONFIRMED FIT
The PF46E works with the 2021 Nissan Altima. Verified against manufacturer specs.
The PF46E works with the 2021 Nissan Altima. Verified against manufacturer specs.
Good news — this one checks out. The PF46E threads right onto the 2021 Nissan Altima with no issues. Thread pitch matches, gasket seats properly, and you’ve got clearance to spare. Here’s the full breakdown.
| Specification | PF46E | 2021 Nissan Altima 2.5L 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.
You’ve confirmed the fit — now grab the filter.
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Filter specifications can change; when in doubt, compare part numbers on the box.