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Motul Auto Cool (Inugel) Optimal Car Antifreeze Coolant - Ready To Use -37C Protection

Motul Auto Cool (Inugel) Optimal Car Antifreeze Coolant - Ready To Use -37C Protection

Motul Auto Cool Optimal - 1 Litre

1 Litre


Motul Auto Cool Optimal - 5 Litres

5 Litres


Motul Auto Cool Optimal - 20 Litres

20 Litres


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  • Description
  • Benefits
  • Specifications
  • Technical Info
  • Shipping Explained

Motul Auto Cool (Inugel) Optimal Car Antifreeze Coolant - Ready To Use -37C Protection

General Details:

Oil - manufacturer recommendationAUDI 61-0-0257
Oil - manufacturer recommendationAUDI TL-774 F
Oil - manufacturer recommendationAUDI VW TL-774 D
Oil - manufacturer recommendationCUMMINS 32-9011
Oil - manufacturer recommendationCUMMINS IS & N14
Oil - manufacturer recommendationDAF 74002
Oil - manufacturer recommendationDETROIT DIESEL
Oil - manufacturer recommendationDEUTZ 0199-99-1115
Oil - manufacturer recommendationDEUTZ 0199-99-2091
Oil - manufacturer recommendationFORD WSS M97 B44 D
Oil - manufacturer recommendationGM QL 130100
Oil - manufacturer recommendationGM +B040 1065
Oil - manufacturer recommendationGM 6277M
Oil - manufacturer recommendationJAGUAR CMR 8229
Oil - manufacturer recommendationJAGUAR WSS M97 B44 D
Oil - manufacturer recommendationJOHN DEERE JDM H5
Oil - manufacturer recommendationKOMATSU 07.892
Oil - manufacturer recommendationLAND ROVER CMR 8229
Oil - manufacturer recommendationLEYLAND DW03245403
Oil - manufacturer recommendationLIEBHERR MD1-36-130
Oil - manufacturer recommendationMACK 014 GS 17009
Oil - manufacturer recommendationMACK 128 6083 / 002
Oil - manufacturer recommendationMAK A4.05.09.01
Oil - manufacturer recommendationMAN 324 typ SNF
Oil - manufacturer recommendationMAN D36 5600
Oil - manufacturer recommendationMAZDA MEZ MN 121 D
Oil - manufacturer recommendationMB 326.3
Oil - manufacturer recommendationMITSUB JQ07913-014
Oil - manufacturer recommendationMTU MTU MTL 5048
Oil - manufacturer recommendationVAG G 12
Oil - manufacturer recommendationVAG G 12+
for components see parts list

Addtional Images:

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Motul Auto Cool (Inugel) Optimal is a ready to use cooling liquid, anti-corrosion and Antifreeze / Coolant.

Protection -37C OAT Technology Nitrite free / Amine free / Phosphate free / Borate free / Silicate free

MOTUL AUTO COOL (INUGEL) OPTIMAL is a ready to use Antifreeze / Coolant based on monoethyleneglycol, using organic additives (OAT).
Strongly recommended for all cooling systems : passenger cars, heavy duty, construction and agriculture vehicles, gardening, ships, stationary engines

  • Ready to use, do not add any water
  • Drain intervals : Refer to the manufacturers' recommendation.
  • Do not mix with non organic products.
  • This product should not be used to protect drinking water systems against freezing.
Type of Antifreeze / Coolant Dilution:
Ready To Use
Protection from freezing down to -37C

View our online Antifreeze / Coolant Explained document, or download the PDF and find great information on what makes a good Antifreeze / Coolant and what all those specifications actually mean.

Shop for all our Antifreeze / Coolant

PDF Downloads:

Download the Technical PDFDownload the Safety PDF


  • Contains a bitterness agent to prevent from drinking : coolants and antifreezes have a sweet taste but are harmful.
  • Cooling system optimal protection from freezing and metallic parts from corrosion.
  • AOT technology provides an excellent thermal exchange and then engine cooling efficiency and prevents from boiling.
  • This organic technology provides anti-corrosion properties that remain while high temperature and ageing. Low corrosion inhibitors consumption allows extended drain intervals.
  • Water pump protection, avoid cavitation.
  • Seals, durits and plastic parts friendly.


  • Cummins Cummins IS Series & N14
  • Cummins Cummins/Wärtsilä 32-9011
  • Daewoo Daewoo/Ssangyong
  • Daimler-Chrysler Mercedes-Benz 325.3
  • Detroit Diesel Detroit Diesel Powercool Plus
  • Deutz/MWM Deutz-MWM 0199-99-1115 / 0199-99-2091
  • Fiat - Lancia NC 956-16
  • Fiat Iveco 18-1830
  • Ford Ford/Jaguar CMR 8229/WSS-M97B44-D
  • General Motors Opel - GM - Saab GM 6277M
  • General Motors Vauxhall QL 130100/GM 6277M
  • Honda Honda HES D 2009-75
  • Hyundai Hyundai
  • Isuzu Isuzu
  • John Deere John Deere JDMH5
  • Kubota Kubota
  • Komatsu Komatsu 07.892 (2001)
  • Leyland-DAF Leyland Trucks DW03245403
  • MAN MAN/Steyr 324 Typ SNF/MAN 324
  • MAN B&W MAN B&W AG D36 5600
  • Mazda Mazda MEZ 121C
  • Mitsubishi Mitsubishi
  • MTU MTU MTL 5048
  • Porsche Porsche TL-VW 774 D = G 12
  • PSA Peugeot Citroën
  • Renault Mack 014GS17009
  • Renault Nissan 10120 NDS00
  • Renault Renault + RVI 41-01-001/- -Q Type D
  • Santana Motors Suzuki
  • Scania Scania TB 1451/TI 2-98 08 13 TB
  • Skoda Liaz 61-0-0257
  • Volvo Mack 014 GS 17009
  • Volvo Renault Trucks 41-01-001/- -S Type D
  • Volvo Volvo 128 6083 / 002
  • VW VAG Group TL-VW 774 D/F = G 12 / G12 +
  • ASTM Standards ASTM D3306/D4656/D4985
  • British Standards BS 6580
  • French Standards NFR 15-601
  • FVV Standards Germany FVV Heft R443
  • Japanese Standards JASO M325/JIS K2234
  • Korean Standards KSM 2142
  • MIL Standards MIL-Belgium BT-PS-606 A
  • MIL Standards MIL-France DCSEA 615/C
  • MIL Standards MIL-Italy E/L-1415b
  • MIL Standards MIL-Sweden FSD 8704
  • NATO Standards NATO S-759
  • SAE Standards SAE J1034
  • UNE Standards UNE 26-361-88/1 

Technical Information:

  • Nitrite free, amine free, phosphate free, borate free, silicate free.
  • Color Visual Orange fluo
  • Density at 20°C/68°F ASTM D4052 1.056
  • PH ASTM D1287 8.4
  • Initial crystalization ASTM D1177 -27.5°C/-17.5°F
  • Freezing Protection -37°C
  • Pour Point ASTM D97 -32.5°C/-26.5°F
  • Boiling Temperature 134°C/273°F (+1.5 bar)
  • Alkalinity Reserve ASTM D1121 2.4 mg KOH/g


SHIPPING IS FREE* for orders of £75 and over , regardless of the weight of your order.
We've tried to keep all other shipping costs as low as we can.

Carriage starts at just £0.95 (inc VAT) for small items, with our most common courier rate set at £5.99 for orders of 5kg (enough for 5 litres of oil).

  • *Free shipping is available for UK Royal Mail, UPS Access Point™ (click & collect) and standard UK courier services (not express / priority / islands).
  • Courier surcharges mean we are unable to offer free "to the door" courier shipping from us in Cornwall up to Highlands / Grampian in Scotland - and because we send a lot of liquids, not every courier option is available to us. UPS Access Point™ (click & collect) is available as a free shipping option across Scotland, Wales and England, wherever there is a UPS Access Point™ Location.
  • Carriage charges are based on weight - please see our table of carriage costs for full details (although adding an item to your cart and viewing the calculated carriage is often easier!).
  • Priority shipping is also available.

How long will it take to get my order?

We give an estimate of delivery dates as you shop and in your basket. The vast majority of items are held in stock and dispatched from our UK warehouse and we'll do all we can to get your order to you as quickly as possible.

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We say...

"Great coolant and very popular, ready to go pre mixed and meets lots of manufacturers approvals. Good for track work too."

Review Opie Oils

Review Stars

Rated Excellent