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Mobil Delvac

EXTENDED LIFE Coolant/Antifreeze

Product Description

Mobil Delvac Extended Life Coolant/Antifreeze is a phosphate-free, silicate-free, nitrite-free and borate-free ethylene glycol base coolant that is designed to provide exceptional wet sleeve liner cavitation and corrosion protection of all cooling system metals.

Mobil Delvac Extended Life Coolant/Antifreeze is formulated with organic corrosion inhibitors to provide total cooling system protection for 1,000,000 miles of on-road use (8 years or 20,000 hours of off-highway use). Since the organic corrosion inhibitors do not readily deplete, Mobil Delvac Extended Life Coolant/Antifreeze eliminates the need for Supplemental Coolant Additives (SCAs) as required when using conventional coolants.


Features and Benefits



Mobil Delvac Extended Life Coolant/Antifreeze is recommended by ExxonMobil for use in:



Mobil Delvac™ Extended Life Coolant/Antifreeze is recommended by ExxonMobil for use in applications requiring:

● ASTM D 6210                          ● Detroit 93K217                                           ● Mercedes Benz DBL 7700
● ASTM D 7583                          ● John Deere H24A2, H24C2                         ● MTU 5048
● Behr Radiator                            ● MAN 324 Type SNF                                  ● Navistar CEMS-B1-Type IIIa
● CAT EC-1                                 ● Mercedes Benz 326.3                                ● TMC RP 329
● Cummins CES 14603

Meets the performance requirements of:


Protection Table

ConcentrationPROTECTS FROM 
 Freezing Down ToBoiling Up To*
40-24 °C / -11 °F127 °C / 261 °F
50-37 °C / -34°F129 °C / 265 °F
60-52 °C / -62 °F132 °C / 270 °F

*Using a 15 PSI Pressure Cap


Chemical Properties

PropertyASTM Test MethodTypical Values For Mobil Delvac Coolant/Antifreeze
Specific Gravity (60/60˚F)D11221.130 – 1.141
Freezing Point, 50 Vol. %, °FD3321 or D1177-34 °F
Boiling Point, 50 Vol. %, °F*D1120265 °F
PH, 50 Vol. %D12878.0 – 9.0
Reserve AlkalinityD11218.0 – 12.0
Foam Test D1881150 ml. / 5 sec., Max

* Using a 15 PSI Pressure Cap


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.

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


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