Best Subaru Engine Oil Pumps in 2026

You are halfway through a spirited canyon run in your tuned WRX when you realize that your engine's oil pressure is the only thing standing between a perfect drive and a catastrophic failure. This Genuine Subaru 11mm oil pump kit is the definitive solution for EJ20 and EJ25 owners who have moved beyond basic stock setups. While the original 10mm pumps work fine for daily commuting, they often struggle once you start adding performance mods and pushing the limits of your turbo engine. This kit provides a higher flow rate than the standard unit, making it a critical upgrade for 2008-2015 Impreza STi Turbo owners and 2010-2013 Outback or Legacy Turbo drivers. It arrives as a complete package with the necessary bolts and seals to ensure a professional installation.

This Genuine Subaru 10mm Oil Pump kit delivers the absolute peace of mind that only factory-original components can provide for your engine. When you are working on high-performance models like the WRX STi or Legacy, skipping out on OEM parts is a massive gamble you just shouldn't take. This complete package removes the guesswork from your rebuild by including the essential oil pump alongside a full set of seven mounting bolts, the specific oil pump seal, and a new crank seal. Everything arrives in its original factory sealing, ensuring you aren't installing refurbished or questionable aftermarket hardware into your powertrain. It is a comprehensive, ready-to-install solution for anyone serious about maintaining the long-term lubrication integrity of their Subaru.

Can your current oil pump actually keep up with the thermal demands of a high-boost turbo build? The CNS High Performance Engine Oil Pump is engineered specifically for Subaru EJ-series enthusiasts who need more than just standard lubrication. By utilizing a 12mm rotor length, this unit significantly boosts your oil flow rate, providing the high-pressure performance necessary to protect your internals under heavy load. It is built to withstand high temperatures, making it a reliable upgrade for everything from the EJ20T to the EJ257. The kit is impressively complete, arriving with the pump, a seal, an O-ring, and seven mounting bolts, which simplifies the installation process for a more seamless engine rebuild.

Subaru enthusiasts rebuilding an EJ series engine shouldn't gamble on oil pressure with anything less than a proven replacement. This DNJ oil pump is a lifesaver for anyone working on WRX STI, Impreza, or Forester models spanning from 1990 to 2015. Whether you are dealing with a turbocharged EJ257 or a naturally aspirated EJ253, this unit provides the reliable flow necessary to protect your engine internals. It is specifically designed to fit a massive range of H4 DOHC and SOHC configurations, including the EJ22 and EJ25D variants. Because DNJ has over 30 years of experience specializing in Japanese engine components, you can feel confident that this brand-new part meets the rigorous demands of high-performance driving and daily commuting alike.

Why spend half your afternoon crawling underneath a greasy chassis just to drain a simple oil pan? The Vevitts 80w Oil Extractor Pump changes the game by letting you scavenge fluids directly from the top, saving your back and your clothes. This compact red unit uses a pure copper motor to provide a reliable 1L/min flow rate for engine oil, provided you heat the oil to the recommended 40-60 degrees first. The kit is impressively complete, featuring nearly eight feet of total tubing and long battery clamps that reach easily into engine bays. While it isn't meant for heavy gear oil or flammable fuels, it is an absolute lifesaver for quick maintenance on jet skis, ATVs, or lawn mowers where traditional draining is a nightmare.

After weeks of use in the workshop, the sheer efficiency of this Vevitts transfer pump has become a staple for our heavy-duty maintenance tasks. Moving fuel manually is a nightmare, but this 175W unit handles diesel, biodiesel, and kerosene with impressive speed, pushing up to 12 GPM through the lines. The build quality feels substantial. The copper motor and cast steel impeller are designed to survive constant use at 3600 RPM. It is surprisingly portable for such a powerful tool, weighing only 7 lbs and featuring a handy integrated handle for quick transport. Whether you are working on a marine engine or an RV, the standard 12V battery connectors make it incredibly easy to power up on-site without needing a wall outlet.

Why let a failing pump turn your expensive gas pressure washer into an expensive paperweight? The TOOLCY 7/8" shaft vertical pump is a lifesaver for anyone looking to refurbish a Ryobi, Honda, or Simpson unit without buying an entirely new machine. I was particularly impressed by the maintenance-free design. It comes pre-filled with gear oil and features a sealed crankcase, so you can skip the messy oil changes entirely. It delivers a solid 3100 PSI and 2.5 GPM, which is plenty of muscle for tackling stubborn grime on sidewalks or driveways. The installation is surprisingly quick—usually under ten minutes—and the inclusion of specialized nozzles makes it a complete kit right out of the box. Just ensure you have the correct 7/8" shaft, as this won't fit 3/4" engines.

Your driveway is covered in stubborn algae and your old pressure washer just gave up the ghost, leaving you stranded mid-project. Replacing a failed pump can feel like a daunting mechanical overhaul, but this TOOLCY vertical replacement unit turns a weekend disaster into a quick ten-minute fix. It delivers a solid 2800-3100 PSI at 2.5 GPM, which is plenty of muscle for tackling rooftops, sidewalks, or grime-caked vehicles. I particularly like that it comes pre-filled with oil and features a maintenance-free crankcase, so you aren't fumbling with gear oil during installation. The included M22 adapters make the setup seamless, and the built-in thermal relief valve provides much-needed peace of mind against overheating during long cleaning sessions.