ACL Bearings OPSB1478HP High-Performance Oil Pump for Subaru EJ20, EJ22, and EJ25 Engines

The ACL Bearings OPSB1478HP high-performance oil pump is designed for Subaru EJ-Series engines requiring dependable lubrication and consistent oil delivery. This internal, wet-sump pump features a standard-volume design suitable for performance-oriented street applications, engine rebuilds, and replacement projects where reliable oil circulation is essential. Its aluminum construction combines strength with reduced weight, while the black anodized finish provides added surface protection and a clean appearance.
The OPSB1478HP is engineered for compatibility with Subaru EJ20, EJ22, and EJ25 engine platforms. As an internal wet-sump oil pump, it integrates within the engine’s lubrication system to help maintain stable oil flow to critical components. The standard-volume configuration supports practical oiling requirements without the additional capacity associated with high-volume pumps, making it a suitable choice for engines retaining conventional oiling specifications.
ACL Bearings is recognized for producing engine components built for demanding automotive applications, and this oil pump is manufactured with the precision expected for performance and replacement use. It is supplied as one complete pump and is intended for installation by qualified technicians who can verify engine compatibility, clearances, gasket requirements, and manufacturer-recommended installation procedures before assembly. Confirm fitment for the specific Subaru engine and application prior to purchase.

Features:

• Brand: ACL Bearings

• Part Number: OPSB1478HP

• Application: Subaru EJ20, EJ22, and EJ25 engines

• Pump Type: Internal wet-sump oil pump

• Volume: Standard volume

• Material: Aluminum construction

• Finish: Black anodized

• Quantity: Sold individually