These filters are externally the same. Might be some internal difference. Both work on a small block Chevy.
EDIT: According to the fram website these filters are the same basic size but the PH5 has an antidrainback valve and the PH13 does not.
The Fram PH5 and PH13 are both oil filters, but the PH5 does not directly replace the PH13. They are designed for different applications and vehicles, so it's important to consult the vehicle's manual or a compatibility chart to determine the correct filter for your specific make and model. Always ensure you use the appropriate filter to maintain optimal engine performance.
Ph5 Fram oil filter fits GMC 7.4L or the 454 cu. in.
Ph5 Fram oil filter fits GMC 7.4L or the 454 cu. in.
PH5
ph5
Ph5
ph5
The Fram PH5 oil filter is designed to fit a wide range of vehicles, including various makes and models from different manufacturers. It is important to consult the specific application guide provided by Fram or the vehicle manufacturer to ensure compatibility with your vehicle. Additionally, the Fram PH5 oil filter is known for its high-quality construction and efficiency in trapping contaminants to protect the engine.
fram ph5
PH5
Purolator L34361
PH5