Check your gasket landing on the vehicle to make sure you don't make a messy / costly mistake.
- PH4967 is 2.9" tall with gasket 2.21"/2.48" ID/OD, 12psi relief valve, 2.66" OD, 3/4-16 thread
- PH3614 is 3.3" tall with gasket 2.45"/2.76" ID/OD, 12psi relief valve, 3.01" OD, 3.4-16 thread
(Source: FRAM.com website)