This ACL High Performance oil pump is built for the Subaru EJ20, EJ22, and EJ25 flat-four engine family, designed as an upgrade over the factory oil pump for improved oiling under performance use.
Specifications:
- Type: Oil Pump
- Engine Fitment: Subaru EJ20 / EJ22 / EJ25
- Part Number: OPSB1478HP
FAQ
What engines does this oil pump fit?
The Subaru EJ20, EJ22, and EJ25 flat-four engines.
Is this a performance upgrade or stock replacement pump?
This is ACL's High Performance oil pump, intended as an upgrade over the factory pump.
Does this replace the factory oil pump?
Yes, it's a direct replacement for the factory oil pump on the listed EJ-series engines.

