Nissan e-PSF analogues: how to choose the right power steering fluid

Liquid Nissan e-PSF (Electric Power Steering Fluid) - a specialized composition for hydraulic and electric power steering systems in cars Nissan, Infiniti and a number of other brands. Its unique formula ensures stable pump operation, protects seals and prevents component wear under high loads. However, the original fluid is not always available, and its price can be steep - especially when it comes to a complete replacement. In such cases, car owners look for analogues, but there are a lot of pitfalls here.

Not all power steering fluids are compatible with the requirements Nissan. An error in selection can lead to accelerated pump wear, seal leaks or even electric booster failure at a critical moment. In this material we will look at what analogues e-PSF really fit, what to look for when buying, and why some “universal” liquids can be harmful. You will also find the results of independent tests, a compatibility table and answers to frequently asked questions from service technicians.

What is Nissan e-PSF and why can’t it be replaced with the first available fluid?

Liquid e-PSF (article KE909-99931 or 999MP-AM002) was developed specifically for electric pump power steering systems found on most modern models Nissan (since 2010) and Infiniti. Its key features:

• 🔬 Low viscosity at low temperatures (up to -40°C), which is critical for electric pumps.
• ⚡ Increased dielectric resistance — prevents breakdowns in electrical components.
• 🛡️ Special additives to protect ethylene propylene rubber (EPDM) seals.
• 🔥 High thermal stability (up to +150°C), eliminating the formation of varnish deposits.

The main problem when choosing an analogue is incompatibility with seal materials. Many power steering fluids contain mineral oils or aggressive additives that corrode the rubber parts of the systems. Nissan. For example, using standard DEXRON II/III or ATF can lead to swelling of the seals and leaks after 10–15 thousand km. Therefore, it is important to choose analogues with markings PSF (Power Steering Fluid) and proven compatibility with EPDM.

⚠️ Attention: Liquids based glycol (for example some Pentosin or Febi) are absolutely not suitable for Nissan e-PSF. They are hygroscopic, quickly accumulate moisture and cause corrosion of metal parts of the pump.

Official analogues of Nissan e-PSF: what the manufacturer itself offers

Company Nissan does not produce complete analogues e-PSF under other brands, but the technical documentation indicates several compatible liquids. They can be divided into two groups:

1. Complete analogues - liquids with identical specifications, approved Nissan for warranty service.
2. Conditionally compatible - liquids that meet key parameters, but have not passed official certification.

Among the officially approved analogues:

• 🏭 Mobil ATF 3309 - synthetic fluid used in dealerships Nissan in Europe. Suitable for electric pump systems, but has a higher viscosity at low temperatures.
• 🔧 Idemitsu PSF-E - Japanese analogue, identical in composition to the original e-PSF. Often supplied in canisters without logo Nissan, but with the same article number.
• 🚗 Ravenol PSF - German liquid that meets the specifications NS-2 (internal standard Nissan for e-PSF). Has improved anti-foam properties.

These liquids can be filled in without flushing the system, as they are fully compatible with the original. However, their cost is often comparable to the price Nissan e-PSF, so replacement makes sense only if there is a shortage of the original.

Unofficial analogues: what you can upload at your own peril and risk

If the original liquid or its official analogues are not available, you can consider options from other manufacturers. The main rule is the liquid must meet the standard NS-2 or PSF-3 (for electric amplifiers). Below is a list of time-tested analogues that are used by service station technicians:

Manufacturer	Liquid name	Article	e-PSF compatible	Notes
Febi Bilstein	PSF Synthetic	22610	90%	Suitable for most models, but may cause slight foaming under heavy loads.
Pentosin	CHF 11S	7524006	85%	Used in VW/Audi, but has a higher viscosity. Requires a shortened replacement interval.
Liqui Moly	Central Hydraulic Fluid	7603	80%	Universal fluid, but not optimized for EPDM- seals. Risk of leaks over a mileage of >50 thousand km.
Motul	Dexron III	105777	70%	For short term use only! Not suitable for continuous use.

It is important to understand that even “compatible” analogues may have differences in additives. For example, Febi PSF Synthetic contains fewer antioxidant additives, so it is recommended to change it every 40–50 thousand km instead of standard 60–80 thousand km for the original. And liquids based DEXRON (For example, Motul or Castrol) can only be used in emergency cases - they are not intended for long-term operation in electric power amplifiers.

⚠️ Attention: Liquids with markings ATF (For example, Toyota Type IV or Honda DW-1) are absolutely not suitable for Nissan e-PSF. They have a different underlying basis and can cause pump jamming due to insufficient lubricity.

Compatible with EPDM seals|NS-2 or PSF-3 specification|Temperature range (-40°C to +150°C)|No glycol base|Quality certification (ISO 9001, TUV)-->

How to check fluid compatibility with your Nissan: step-by-step instructions

Before uploading an analogue, you need to make sure that it is suitable for your model. Here is the verification algorithm:

1. Specify the type of power steering:
   • 🔄 Hydraulic booster (power steering) - requires labeled liquid PSF.
   • ⚡ Electrohydraulic booster (EGUR) - you need a marked liquid E-PSF or NS-2.
   • 🤖 Electric power steering (EUR) - no liquid required (exception: some models Nissan Leaf And Ariya).
2. Check the year and model:

   Примеры совместимости:
   - Nissan Qashqai J11 (2013–2021) → e-PSF или Idemitsu PSF-E
   - Nissan X-Trail T32 (2014–2022) → Mobil ATF 3309 или Ravenol PSF
   - Nissan Juke F15 (2010–2019) → только оригинал e-PSF

3. Study the analog label:

   The canister must indicate:

   • 📋 Specification NS-2 or PSF-3.
   • 🧪 Composition: synthetic base (not mineral!).
   • 🔥 Temperature range: not lower -40°C and no higher +150°C.

If in doubt, it is better to do a compatibility test: mix a small amount of the original liquid and the analogue in a transparent container. If after 24 hours no sediment, flakes or separation has appeared, the liquid can be used. However Even a successful test does not guarantee long-term compatibility with seals.

What happens if you mix incompatible liquids?

When mixing, for example, Nissan e-PSF And DEXRON III a chemical reaction occurs leading to:

1. Formation of gel-like clots that clog pump filters.

2. Loss of lubricating properties - accelerated wear of gears and bearings.

3. Destruction of seals due to incompatibility of additives.

In critical cases, the power steering pump needs to be replaced (cost from RUB 30,000).

Results of independent tests: which analogues performed best

In 2023, the German Auto Club ADAC tested 12 power steering fluids, including analogues Nissan e-PSF. Tests included viscosity, oxidation resistance, rubber compatibility and wear protection. Results for key peers:

Liquid	Viscosity at -40°C	Wear protection	EPDM compatible	Overall rating
Nissan e-PSF (original)	1500 mPa s	10/10	10/10	⭐⭐⭐⭐⭐
Idemitsu PSF-E	1550 mPa s	9/10	10/10	⭐⭐⭐⭐⭐
Ravenol PSF	1600 mPa s	9/10	9/10	⭐⭐⭐⭐½
Febi PSF Synthetic	1700 mPa s	8/10	8/10	⭐⭐⭐⭐
Liqui Moly Central Hydraulic	1800 mPa s	7/10	7/10	⭐⭐⭐

Interesting fact: Idemitsu PSF-E in tests showed even better oxidation resistance than the original e-PSF, thanks to an improved additive package. But Liqui Moly, despite its popularity, is inferior in terms of viscosity characteristics - this may affect the operation of the amplifier in frosts below -25°C.

Common mistakes when choosing and replacing power steering fluid

Even experienced car owners make mistakes that reduce the life of the power steering. Here are the most common:

1. Ignoring Specifications:

   Many people buy liquids on the principle of “cheaper” or “on the advice of a friend,” without checking compatibility. For example, Castrol Transmax Dex VI often recommended as a “universal”, but it is not suitable for Nissan e-PSF due to lack of protection for EPDM- seals.

2. Incomplete fluid replacement:

   When partially replacing (topping up), the old and new fluids mix, which can lead to sedimentation. Correct: complete flushing of the system removing all remnants of old fluid.

3. Using “universal” fluids:

   Liquid type Pentosin CHF 11S or Comma PSF are positioned as “suitable for everyone”, but in practice they can cause pump hum or increased steering play.

4. Neglecting replacement intervals:

   Original e-PSF designed for 80–100 thousand km, but analogues require replacement more often - every 50–60 thousand km. Ignoring this rule leads to jamming of the pressure relief valve.

⚠️ Attention: If after replacing the fluid there is squeaking sound when turning the steering wheel or free play increased, immediately flush the system and replace the fluid with the original one. These symptoms indicate additive incompatibility and risk of rack damage.

FAQ: Answers to frequently asked questions about Nissan e-PSF analogues

Can Nissan e-PSF be mixed with other fluids?

Mixing is allowed only with Idemitsu PSF-E or Ravenol PSF, since they have identical composition. Other liquids (including DEXRON or ATF) when mixed, they form a sediment that clogs the pump filters. If you had to add incompatible fluid, it is necessary to carry out a complete replacement with flushing as soon as possible.

How often should you change your Nissan's power steering fluid?

For original e-PSF replacement interval - 80–100 thousand km or once every 5 years. For analogues (for example, Febi or Liqui Moly) reduce the interval to 50–60 thousand km. In case of intensive use (taxi, off-road), replacement should be done every 40 thousand km.

What happens if you fill it with DEXRON instead of e-PSF?

Liquid type DEXRON II/III have a different base and additive package. In the system Nissan this will result in:

• 🔥 Overheating of the pump due to insufficient heat removal capacity.
• 💧 Swelling of seals and leaks (especially at mileage >50 thousand km).
• ⚙️ Accelerated wear of gears and bearings due to insufficient lubrication.

In the long term this is fraught replacing the power steering pump (from 25,000 ₽) or slats (from 50,000 ₽).

What fluid should I put in the 2018 Nissan Qashqai?

For Nissan Qashqai J11 (2013–2021) with electric power steering are officially recommended:

• Nissan e-PSF (article KE909-99931).
• Idemitsu PSF-E (complete analogue).
• Ravenol PSF (an alternative with improved anti-foam properties).

System volume - 0.8–1.0 l. When replacing, be sure to flush the system, as remnants of the old fluid may react with the new one.

Where can I buy the original e-PSF or its analogues?

Original liquid Nissan e-PSF can be found:

• 🏢 At official dealerships Nissan (price ~1,200 ₽/l).
• 🛒 In online stores: Exist.ru, Autodoc, Kolesa-darom (price ~900–1,100 RUR/l).
• 🇯🇵 On Japanese auctions (For example, Buyee) - often sold under the brand name Idemitsu without sticker Nissan.

Analogues (Ravenol, Febi) are 20–30% cheaper, but their quality varies depending on the batch. Check the presence of a hologram and the production date on the canister.