Filtration
Best Oil Filters for Heavy-Duty Diesel (2026)
Quick answer
Heavy-duty oil filters should match your engine's thread, bypass valve spec, and micron rating. Most fleets stock one primary element per engine family and change at every oil drain — typically 25k–50k miles for long-haul applications.
Our top picks
Comparison
| 2234788PE - OIL FILTER ELEMENT | LF3313 - OIL FILTER LF3313 | 15W40 OIL - 15W40 OIL (ROTELLA) GAL JUG | |
|---|---|---|---|
| Live price | $64.72 | $8.25 | $27.50 |
| SKU | 2234788PE | LF3313 | 15W40 OIL |
| Product type | Filter element | Spin-on filter | Engine oil (1 gal) |
| Best for | OEM-style element | Budget PM stock | Oil change top-up |
| Typical interval | Every oil change | Every oil change | As needed |
Our data
This guide uses live prices from the PartsNow catalog (~16,900 SKUs). Prices shown reflect current sell pricing with standard markup. We rank by fleet relevance, catalog availability, and common Class 8 replacement patterns — always confirm exact fitment with your part number before ordering.