This ACL High Performance oil pump is a wet sump, internal, standard-volume design built from black-anodized aluminum for Subaru EJ20, EJ22, and EJ25 engines.
Specifications:
- Type: Oil Pump
- Style: Wet Sump, Internal
- Volume: Standard Volume
- Material/Finish: Aluminum, Black Anodized
- Engine Fitment: Subaru EJ20 / EJ22 / EJ25
- Part Number: OPSB1478HP
FAQ
What type of oil pump is this?
This is a wet sump, internal oil pump built from black-anodized aluminum, at standard pumping volume.
What engines does this oil pump fit?
It is designed for Subaru EJ20, EJ22, and EJ25 engines.
Is this a high-volume oil pump?
No. Despite being part of ACL's High Performance line, this pump is built at standard volume, not high volume.

