{"id":195249,"date":"2026-07-28T05:54:59","date_gmt":"2026-07-28T12:54:59","guid":{"rendered":"https:\/\/www.carparts.com\/blog\/?p=195249"},"modified":"2026-07-28T05:55:02","modified_gmt":"2026-07-28T12:55:02","slug":"power-steering-fluid-types-and-brands-how-to-choose-the-right-one-for-your-vehicle-quickref","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/power-steering-fluid-types-and-brands-how-to-choose-the-right-one-for-your-vehicle-quickref\/","title":{"rendered":"Power Steering Fluid Types and Brands: How To Choose the Right One for Your Vehicle"},"content":{"rendered":"\nReading Time: <\/span> 6<\/span> minutes<\/span><\/span>\n

Power steering fluid falls into four categories: ATF-based fluid such as Dexron II and III, dedicated mineral-based power steering fluid, synthetic hydraulic fluid like Pentosin CHF 11S and CHF 202, and OE-proprietary fluid such as Honda PSF-S and Mopar ATF+4. Your owner’s manual and the reservoir cap tell you which type your vehicle needs. Pour in the wrong one, and you can destroy a pump or steering rack that costs far more than the fluid ever will.<\/p>\n\n\n\n

\"Power<\/a>
Power steering fluid<\/a> falls into four categories.<\/figcaption><\/figure>\n\n\n\n

What Power Steering Fluid Does<\/h2>\n\n\n\n

Hydraulic power steering systems<\/a> don’t turn your wheels with muscle alone. The pump pressurizes fluid, the fluid travels through hoses to the steering gear, and this pressure multiplies your input at the steering wheel. The same fluid lubricates the pump vanes, cools the system, protects seals and O-rings, and carries away wear particles.<\/p>\n\n\n\n

That’s why fluid chemistry matters more than most drivers assume. Every formula carries a specific additive package tuned to a particular set of seal materials and pump tolerances. Change the chemistry, and you’ll change how the seals behave. Shop the full power steering fluid catalog<\/a> here at CarParts.com to match your vehicle’s system. If your pump already sounds tired, browse replacement power steering pumps<\/a> while you’re there.<\/p>\n\n\n\n

\"Power<\/a>
Every formula<\/a> carries a specific additive package tuned to a particular set of seal materials and pump tolerances.<\/figcaption><\/figure>\n\n\n\n

The 4 Main Power Steering Fluid Types<\/h2>\n\n\n\n

ATF-Based Fluid (Dexron II, Dexron III, Mercon)<\/h3>\n\n\n\n

Plenty of manufacturers spec automatic transmission fluid for the power steering system, and Toyota leads this list. In these vehicles, ATF isn’t a substitute or a shortcut, it’s the correct fill. Dexron II and Dexron III show up most often, and Ford systems frequently call for Mercon or a Mercon-compatible fluid.<\/p>\n\n\n\n

Dexron VI now replaces older Dexron grades on parts store shelves. GM lists it as backward compatible, though some technicians still prefer a Dexron III equivalent for older steering systems because of its slightly heavier viscosity.<\/p>\n\n\n\n

Dedicated Mineral-Based Power Steering Fluid<\/h3>\n\n\n\n

This is the amber or pinkish fluid most people picture when they hear the words “power steering fluid.” Manufacturers formulate it purely for steering duty, so it skips the friction modifiers that transmissions need and leans harder on anti-wear additives and seal conditioners. Domestic vehicles from the 1990s through the 2000s use it widely.<\/p>\n\n\n\n

Watch the label on universal formulas. Many blend in stop-leak polymers that swell seals to slow a drip. These additives help a leaking system limp along, but they can accelerate wear on tight-tolerance pumps and racks, so don’t reach for them unless you’re managing a known leak.<\/p>\n\n\n\n

Synthetic Hydraulic Fluid (Pentosin CHF 11S and CHF 202)<\/h3>\n\n\n\n

European vehicles usually demand a synthetic hydraulic fluid rather than anything labeled ATF or standard PSF. Pentosin CHF 11S and CHF 202 dominate this space, and BMW, Mercedes-Benz, Audi, Volkswagen, Volvo, Porsche, and Saab applications use them heavily.<\/p>\n\n\n\n

These fluids hold their viscosity across an enormous temperature range, which keeps steering effort consistent on a cold morning and stable under sustained load. CHF 11S and CHF 202 mix with each other safely. Neither one mixes with ATF. CarParts.com carries Pentosin power steering fluid<\/a> for exactly these applications.<\/p>\n\n\n\n

OE-Proprietary Fluid (Honda PSF-S, Mopar ATF+4)<\/h3>\n\n\n\n

Some automakers engineer their own chemistry and expect you to honor it. Honda and Acura specify Honda PSF-S, and their systems notoriously groan and chatter on generic fluid. Chrysler, Dodge, Jeep, and Ram systems often call for ATF+4, a licensed spec that generic bottles can’t legally claim without approval. Look for Mopar power steering fluid<\/a> for these vehicles, and check the Honda Accord<\/a> power steering fluid page for Honda-specific options.<\/p>\n\n\n\n

Is Power Steering Fluid the Same as Transmission Fluid?<\/h2>\n\n\n\n

No. Both are hydraulic fluids, and both move pressure through a closed system, but ATF carries detergents and friction modifiers that clutch packs need. Dedicated power steering fluid skips these and prioritizes seal protection and pump lubrication instead.<\/p>\n\n\n\n

So can you use transmission fluid in a power steering system? Only when the manufacturer says so. If your manual calls for Dexron II or III, ATF is the right answer. If it calls for PSF-S, CHF 11S, or ATF+4, ATF becomes the wrong answer, and the damage often shows up weeks later as a whine, a leak, or stiff steering.<\/p>\n\n\n\n

Power Steering Fluid by Make and Model<\/h2>\n\n\n\n

Toyota Camry and Corolla<\/h3>\n\n\n\n

Most older Toyota Camry<\/a> and Corolla models with hydraulic steering take Dexron II or Dexron III ATF rather than a bottle labeled power steering fluid. Newer Corolla and Camry generations moved to electric power steering, which uses no fluid at all. Confirm your vehicle year before you buy, then shop Toyota Camry power steering fluid for the correct match.<\/p>\n\n\n\n\n\n

\n\t
\n\t\t
\n\t\t\t\"CarParts.com\"\n\t\t<\/div>\n\t\t
\n\t\t\t\n\t\t<\/form>\n\t<\/div>\n<\/div>\n\n\n\n

Toyota Tundra and Sequoia<\/h3>\n\n\n\n

Toyota Tundra and Sequoia power steering systems follow the same rule. Both call for Dexron II or III ATF, and the reservoir cap usually prints the spec in fine text if your manual has gone missing. If your Sequoia already whines at full lock, a fresh fill may not save it, so compare Toyota Sequoia<\/a> power steering pumps at the same time.<\/p>\n\n\n\n

Other Popular Applications<\/h3>\n\n\n\n

Nissan systems typically use a dedicated Nissan-approved PSF, and you’ll find fitment-matched options on the Nissan power steering fluid<\/a> and Nissan Sentra<\/a> pages. GM applications commonly take an AC Delco fluid<\/a> such as AC Delco 10-5074.<\/p>\n\n\n\n

Best Power Steering Fluid Brands<\/h2>\n\n\n\n

No single brand wins every application, so match the spec first and shop the brand second.<\/p>\n\n\n\n