Nissan L248 antifreeze: which analogues are suitable for Japanese engines?

Original antifreeze Nissan L248 (article KE902-99932) is a proprietary coolant designed specifically for most models Nissan with aluminum radiators and modern turbocharged engines. Its unique formula based on ethylene glycol with a package of organic additives (OAT technology) provides protection against corrosion up to 10 years or 250,000 km - subject to proper use. However, the original product is not always available in price or in the region, so owners have to look for analogues.

The problem is that not every antifreeze is compatible with Japanese cooling systems. For example, liquids based silicates (traditional IAT) can cause gel-like deposits to form in thin radiator passages Nissan, and cheap G11-analogues often cannot withstand high temperatures in turbo engines. In this article we will figure out what analogues L248 are really safe, how to distinguish them from fakes and what to look for when choosing - taking into account the specifics of models from Qashqai J11 to Patrol Y62.

What is Nissan L248 antifreeze and why is it difficult to replace?

Liquid L248 belongs to the class Long Life Coolant (long-lasting) and complies with the standard Nissan MES N 2640. Its key features:

• 🔹 Silicate-free formula: does not form abrasive deposits in the cooling system, which are critical for aluminum parts.
• 🔹 Low aggressiveness towards rubber seals: Compatible with original pipes and gaskets Nissan.
• 🔹 Temperature range: from −40°C to +130°C (important for turbo engines VR38DETT in GT-R or VQ37VHR in 370Z).
• 🔹 Color: bright green (but the color does not guarantee compatibility - see the section on fakes!).

The main difficulty in selecting an analogue is lack of a universal standard. For example, VW G12++ or Toyota SLL are similar in composition, but not identical. Even among the “original” liquids there are fakes with dangerous contents borates or amines, which destroy aluminum. Therefore, when choosing an analogue, you need to focus not on color or brand, but on chemical composition and compliance with the standard Nissan MES N 2640.

Official analogues of L248: compatibility table

Manufacturer Nissan does not publish a complete list of approved analogues, but is based on technical bulletins and tests from independent laboratories (for example, Coolant Research Council) it is possible to isolate liquids that are fully compatible with L248. Below are proven options with article numbers and approximate prices (for 2026):

Brand and name	Article	Standard	Color	Approximate price (5l)	Notes
Nissan Coolant L248 (original)	KE902-99932	Nissan MES N 2640	Green	3 200–3 800 ₽	Supplied in concentrate (dilute with distilled water 1:1)
Ravenol J1A1001	4014835735107	Nissan MES N 2640, VW TL 774-J	Green	2 100–2 400 ₽	Complete analogue, used in dealership centers in Europe
Motul Inugel Optimal	106375	Nissan MES N 2640, PSA B71 5110	Yellow	2 500–2 900 ₽	Suitable for Qashqai J11 And X-Trail T32 with motors MR20DD
CoolStream A-110	CS010006-5	Nissan MES N 2640, G12++	Red	1 800–2 200 ₽	Budget option, but requires replacement every 5 years
Liqui Moly KFS 2001 Plus	8940	Nissan MES N 2640, MB 325.5	Green	2 300–2 700 ₽	Recommended for Patrol And Navara with diesels YD25DDTi

⚠️ Attention: Liquids CoolStream And Sintec Unlimited (article G12++) are often positioned as analogues L248, but they contain phosphates, which can cause corrosion of aluminum cylinder heads in engines VQ And MR. Before purchasing, check the certificate of conformity to the standard Nissan MES N 2640!

How to spot a fake L248: 5 key signs

The auto chemical market is flooded with counterfeits, and Nissan L248 - is no exception. Counterfeits are often diluted with water or contain cheap additives, which lead to:

• 🔥 Engine overheating (due to low boiling point).
• 💥 Destruction of the pump (abrasive particles in the composition).
• 🛢️ Formation of emulsion in the expansion tank.

To avoid running into a counterfeit, pay attention to:

1. Packaging: original canister Nissan has:
   • 📦 Hologram with the brand logo on the lid.
   • 🖼️ Embossed inscription KE902-99932 at the bottom.
   • 📄 Attached certificate with QR code (checked on the website Nissan).

Color and consistency: original - transparent green without sediment. Dirty or flakes are a sign of a fake.

Smell: y L248 weak sweetish aroma (without a sharp chemical undertone).

Price: if the liquid is sold for less than 2,800 rubles per 5 liters, it is 100% fake.

What happens if you fill up with fake L248?

In the best case, the replacement interval will be reduced to 2 years. At worst, the additives will react with the aluminum, which will lead to radiator clogging and overheating. For example, in motors HR16DE (Nissan Juke) this is fraught with deformation of the cylinder head.

Compatibility with Nissan models: what to fill in Qashqai, X-Trail and others?

Not all models Nissan require L248. For example, in the old Primera P12 (until 2007) can be poured G11, and in GT-R R35 All you need is the original. Below are recommendations for models:

Model and generation	Recommended antifreeze	Acceptable analogues	What NOT to fill
Qashqai J10/J11 (2007–2021)	L248 or Ravenol J1A1001	Motul Inugel Optimal, Liqui Moly KFS 2001	Cheap G11, antifreeze with silicates
X-Trail T31/T32 (2007–2022)	L248 (required for MR20DD)	CoolStream A-110 (only for petrol versions)	Sintec Unlimited (due to phosphates)
Juice F15/F16 (2010–2023)	L248 or Motul Inugel	Ravenol J1A1001	Antifreeze with boric acid
Patrol Y61/Y62 (2010–present)	L248 (for VK56VD)	Liqui Moly KFS 2001 Plus	Universal G12+ without certificate Nissan
GT-R R35 (2007–present)	Only original L248	—	Any analogues! Risk of overheating VR38DETT

⚠️ Attention: In models with CVT variator (For example, Qashqai J11 or X-Trail T32) Using incompatible antifreeze may cause transmission malfunction. The fact is that part of the heat from the variator is removed through the cooling system, and aggressive additives accelerate the wear of the solenoids.

Is it possible to mix L248 with other antifreezes?

Mixing antifreeze is a risky undertaking, but sometimes it is necessary (for example, when topping up on the road). Here are the rules for L248:

• ✅ Can be mixed from:
  • 🟢 Ravenol J1A1001 (complete analogue).
  • 🟢 Motul Inugel Optimal (only in emergency cases).
  • 🟢 Distilled water (no more than 200 ml per 5 l).
• ❌ Absolutely cannot be mixed from:
  • 🔴 G11 (silicate antifreeze).
  • 🔴 Antifreeze (Soviet fluids based on inorganic additives).
  • 🔴 Any antifreeze with borates or nitrites.

If you had to mix L248 with incompatible liquid, you must:

1. ASAP drain completely mixture from the system.
2. Flush the system distilled water (2–3 cycles).
3. Fill new antifreeze with a complete replacement.

Step-by-step instructions for replacing antifreeze in Nissan

Replacement L248 in most models Nissan (For example, Qashqai J11 or X-Trail T32) is performed according to a single algorithm, but there are nuances for specific motors. Below are universal instructions:

1. Preparation:
   • 🛠️ Place the car on a flat surface (or a lift).
   • 🔧 Remove the engine protection (if equipped).
   • 🧤 Wear gloves - antifreeze is toxic!
2. Draining old fluid:
   • 🔽 Open the expansion tank cap.
   • 🔧 Unscrew the drain plug on the radiator (usually bottom right).
   • 🔧 Unscrew the plug on the cylinder block (key on 14 mm for MR20DD).
3. Flushing the system (if you change the type of antifreeze):
   • 💦 Fill with distilled water, start the engine for 10 minutes.
   • 🔄 Repeat draining and filling water 2-3 times.
4. Filling with new antifreeze:
   • 🔧 Tighten all the plugs, fill L248 (or equivalent) to the mark MAX.
   • 🚗 Start the engine, warm up to operating temperature.
   • 🔄 Add liquid after cooling (the level will drop due to air escaping).

⚠️ Attention: In models with turbo engines (For example, Nissan Juke 1.6 DIG-T) after replacing antifreeze it is necessary bleed the system, otherwise air pockets may occur. To do this:

1. Start the engine and let it idle for 5 minutes.
2. Rev up to 3,000 rpm 3-4 times (this will help expel the air).
3. Check the level and top up if necessary.

Common mistakes when choosing and replacing antifreeze

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

• 🚫 Ignoring the standard Nissan MES N 2640:

  Many people focus on color (for example, they take any green antifreeze), but color does not guarantee compatibility. For example, Hepu G12++ green in color, but contains silicates that are dangerous to Nissan.

• 🚫 Savings on flushing:

  If the system had G11 or Antifreezeand you flooded L248 Without rinsing, old additive residues may react and form a gel.

• 🚫 Overfilling or underfilling:

  Excess antifreeze leads to increased pressure in the system and the risk of damage to the pipes. Underfilling leads to overheating. Optimal level - between MIN and MAX on a cold engine.

• 🚫 Using tap water:

  Even to dilute the concentrate you need distilled water. Tap water contains salts that form scale on the walls of the radiator.

Another common mistake is ignoring leaks. If the level L248 falls more often than once every 6 months, this is a sign:

• 🔧 Cracks in the expansion tank.
• 🔧 Wear of the pump (typical for Qashqai J10 with mileage >150,000 km).
• 🔧 Damage to the cylinder head gasket (in this case, antifreeze mixes with oil, forming “mayonnaise” under the valve cover).

FAQ: Answers to frequently asked questions about antifreeze L248

Is it possible to fill L248 into Nissan Almera G15 (K4M)?

Yes, L248 compatible with motor K4M in Almera G15, but only if antifreeze of the same standard was previously used (Nissan MES N 2640). If there was before G11, a complete flush of the system will be required. Please note: in Almera Classic (with motor QG16DE) you can use cheaper analogues, for example, CoolStream G12+.

How is L248 different from L250 and L255?

These are different generations of antifreeze Nissan:

• L248 - classic formula for most models until 2020.
• L250 — updated version with improved cavitation protection (for Ariya And New X-Trail T33).
• L255 - environmentally friendly antifreeze based on propylene glycol (less toxic, but more expensive).

L248 and L250 are interchangeable, but L255 It is not recommended to mix with other types.

How much antifreeze is needed for a complete replacement in Qashqai J11?

Cooling system volume in Nissan Qashqai J11 (2.0 MR20DD):

• 🔧 6.7 liters - full volume.
• 🔧 5.5–6 liters — actual consumption during replacement (part remains in the block).

Recommended to buy two 5 l canisters (one will be used for replacement, the second for topping up in the future).

Can L248 concentrate be used without dilution?

No! Concentrate L248 must be diluted with distilled water in proportion 1:1. Undiluted antifreeze:

• 🔥 Boils at +190°C (instead of +130°C when diluted).
• 🧊 Freezes already at −15°C (diluted up to −40°C).
• 💥 Accelerates corrosion due to high concentration of additives.

How to check the quality of antifreeze in the system?

There are several ways:

1. Test strips (For example, Liqui Moly Kuhlerfrostschutz-Test) - show the level of corrosion protection and freezing point.
2. Refractometer — measures the concentration of ethylene glycol (optimally 40–60%).
3. Visual inspection:
   • ✅ Standard: transparent, without sediment.
   • ❌ Bad: cloudy, with flakes or rust.

If the antifreeze has darkened or turned brown, change it immediately!