1. Check your owner's manual: This is the most reliable source. It will list the correct oil filter part numbers for your vehicle.
2. Check the oil filter itself: If you have an old oil filter, it will have the part number printed on it.
3. Use an online cross-reference tool: Many automotive parts websites have tools that allow you to enter your vehicle's year, make, and model (and sometimes engine code) to find compatible oil filters.
Simply knowing the Purolator number L34631 isn't sufficient to determine engine compatibility without knowing the vehicle.