There isn’t a single universal oil filter size for the 2015 Silverado; the correct size depends on the engine. The truck could have a 4.3L V6, a 5.3L V8, or a 6.2L V8, and each engine uses a different filter. The best practice is to use the filter specified for your engine (OEM GM/AC Delco or equivalent) and verify the part number from the filter itself, your owner’s manual, or a parts lookup by VIN.
Engine options and compatible filters
The 2015 Silverado offered several engine choices, and the oil filter size is tied to the specific engine. Use the filter that GM specifies for your particular engine to ensure proper fit and performance.
- 4.3L V6 (Vortec) — This engine uses a GM/AC Delco oil filter designed for the 4.3L family; verify the exact part number in your owner's manual or on the filter itself after removal.
- 5.3L V8 — A larger, higher-capacity filter is used for this engine family; ensure you select the GM-approved filter or an equivalent aftermarket option sized for the 5.3L V8.
- 6.2L V8 — The biggest engine option in the 2015 lineup requires the corresponding filter intended for GM’s 6.2L V8 family; again, check the exact part number to avoid mismatches.
Bottom line: engine size dictates the filter size, and cross-engine interchange is not recommended. Always confirm the exact part number for your specific engine configuration.
How to find the exact part number for your Silverado
To be certain of the correct filter size and thread specifications, use these steps to identify the right filter for your truck.
- Check the owner’s manual or the vehicle’s service manual, which lists the recommended filter for each engine option.
- Inspect the current oil filter for the part number printed on the can or label after removing it.
- Use your VIN (Vehicle Identification Number) on GM’s official parts lookup or a reputable parts retailer to cross-reference the correct filter for your build.
- If shopping aftermarket, select a filter labeled for GM vehicles with the same engine family (4.3L, 5.3L, or 6.2L) and verify dimensions (thread size, gasket diameter) match your vehicle.
If you’re ever unsure, ask a parts counter professional with your VIN and engine information; they can confirm the exact OEM or high-quality aftermarket option for your Silverado.
Summary
For the 2015 Chevy Silverado, there is no single “one-size-fits-all” oil filter. The correct size depends on whether the truck has the 4.3L V6, 5.3L V8, or 6.2L V8. Determine the exact engine and part number via the owner’s manual, the current filter, or a VIN-based parts lookup, and choose an OEM GM/AC Delco filter or a reputable equivalent sized for that engine. This ensures proper filtration, fit, and engine protection.


