Mobil Delvac

Mobil commercial-vehicle-lube , Colombia

Extended Life 50/50 Prediluted Coolant/Antifreeze - CO

Features and Benefits

Mobil Delvac Extended Life 50/50 Prediluted Coolant/Antifreeze - CO is a patented OAT – Organic Acid Technology, ELC – Extended Life Coolant advanced formulation with Nitrites and Molybdates, based on a concentrated blend of premium long – lasting organic inhibitors designed to guard against extreme temperature, rust, corrosion, scale formation and premature water pump failure.

Mobil Delvac Extended Life 50/50 uses carboxylate technology for maximum protection of the six basic metal alloys – copper, solder, brass, steel, cast iron and aluminum, found in most heat transfer systems.

Mobil Delvac Extended Life 50/50 is a mixture of antifreeze with very good quality water that provides extended life protection up to 1.000.000 km, 12.000 hours. The product can be used in all heavy duty engine applications.

Mobil Delvac Extended Life 50/50 is intended for use and compatible with any heavy duty antifreeze/ coolant in any diesel powered truck, farm, off-road, marine or gasoline engine with aluminum and other engine metals.


Advanced Chemical Technology for long Life

  • Silicate, Phosphate, Amine, Borate, and Nitrates Free formulation for long lasting inhibition and corrosion protection and to practically eliminate hard water deposits.
  • With Nitrites and Molybdates to help protect the iron components in the cooling system, reducing steel corrosion and cast iron liner and block pitting. (Requirements of Standard Specifications ASTM D-6210 and TMC RP 329 and CAT EC-1).
  • Requires no Initial Supplement Coolant Additive (SCA).
  • Low level of total dissolved solids and absence of silicates to extend water pump seal life.
  • State of–the–Art - Scale Preventing Additives.



Mobil Delvac Extended Life Coolant/Antifreeze is recommended by ExxonMobil for use in applications requiring: 
ASTM D-3306 X
ASTM D-4340 X
ASTM D-4985X
Cummins14603 & 90T8-4X
Caterpillar  EC-1X
Chrysler MS7170 Sec. A and B 1-4X
GM 1825MX
GM 1899MX
Ford ESE-M97B44-A Sec. 3.1.1 and 3.1.2X
Detroit 7SE298X
Freightliner 48-22880X
John Deere H24A1X
Ford New Holland WSN-M97B18DX
SAE J1941, J1034X
Kenworth R026-170-97X
Mack PaccarX
TMC RP 329 , 302AX
White/GMC Div. Of Volvo X
Navistar-International (CEMS B-1, Type I-II)X
Dresser Waukesha, S-7610-2X
GSA CID A-A-52624X
Peterbilt 07-06773X
Mercedes Benz DBL 7700X
Mercedes Benz 325.3X


Chemical Properties

PropertyASTM Test MethodASTM D-6210 SpecificationTypical Values for Mobil Delvac Extended Life CO
Specific Gravity (15/15˚C) D1122-08Min. 1.0651.0714
Boiling Point, 50 Vol. %, ˚CD1120-11Min. 108108
Effect On Automotive Finish  No EffectNo Effect
pH, 50 Vol. % D1287-117.5 - 118.7
Reserve Alkalinity, mlD1121-11ReportMin 3.6
Color   Red Orange
Density, Kg/Gl @ 15°C  4.0



To assure success using Mobil Delvac Extended Life 50/50, the system should be drained and flushed. Mobil Delvac Extended Life 50/50 is a ready to use product. To insure the proper concentration level of the inhibitors and boil-over/freeze protection, do not add water or mix with other unknown coolants.

With Mobil Delvac Extended Life 50/50 there is no need to use an initial charge of supplemental coolant additive or pre-charge spin on water filter.
Mobil Delvac Extended Life 50/50 is compatible with other ELC and conventional heavy duty coolants. Dilution with conventional coolants will reduce extended life benefits.

Mobil Delvac Extended Life 50/50 a new patented technology OAT – ELC + Nitrites – Molybdates, provides extended life protection that ensures performance to 1.000.000 km (600.000 miles) or 12.000 hours when refill is done with the same Mobil Delvac Extended Life 50/50.


Health and Safety

Based on available information, this product is not expected to produce adverse effects on health when used for the intended application and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS's are available upon request through your sales contract office, or via the Internet. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.



Keep container closed. In case of spill, clean up as quickly as product is slippery. Flush small spills with water. Large spills, collect into drums for proper disposal. Dispose of or recycle according to federal, state or local regulations. For more on health and security, consult MSDS Mobil Delvac Extended Life 50/50.

The Mobil logotype, the Pegasus design, and Mobil Delvac are trademarks of Exxon Mobil Corporation, or one of its subsidiaries.

Organización Terpel S.A.
Address: Carrera 7 N° 75-51, Bogotá – Colombia
Phone: (57) 1 3267878

Typical Properties are typical of those obtained with normal production tolerance and do not constitute a specification.  Variations that do not affect product performance are to be expected during normal manufacture and at different blending locations.  The information contained herein is subject to change without notice. All products may not be available locally. For more information, contact your local ExxonMobil contact or visit 
ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names that include Esso, Mobil, or ExxonMobil. Nothing in this document is intended to override or supersede the corporate separateness of local entities. Responsibility for local action and accountability remains with the local ExxonMobil-affiliate entities.