Walter, As stated earlier the PF24 is the correct filter
number.PF30 was appox.1"longer.These 2 numbers 24 & 30 were the BOP (Buick
Olds Pontiac)filters.The PF25 is the Chevrolet Pascar and its Truck
application # of PF30 is again appox. 1" longer,same check valve and
enternals just a longer filter. Jim&Jeanne Penrod Still
hangin out an bein cool in Lake Placid F L A
number.PF30 was appox.1"longer.These 2 numbers 24 & 30 were the BOP (Buick
Olds Pontiac)filters.The PF25 is the Chevrolet Pascar and its Truck
application # of PF30 is again appox. 1" longer,same check valve and
enternals just a longer filter. Jim&Jeanne Penrod Still
hangin out an bein cool in Lake Placid F L A