Diesel Exhaust Fluid (DEF), 1250 L
#RCM55-129AIR-1250
Product Overview
AIR1 Diesel Exhaust Fluid (DEF) is a pure aqueous solution of 32.5% high-purity urea and deionized water, designed for new diesel engines with SCR technology. API-certified and exceeding ISO 22241 standards, AIR1 DEF ensures superior purity and composition. It prevents clogging or damage to SCR systems, maintains warranty coverage, and plays a crucial role in reducing nitrogen oxide (NOx) emissions during combustion, helping to lower vehicle air pollution. Suitable for heavy and light-duty diesel-powered vehicles, AIR1 DEF offers high product quality and compliance with the toughest industry standards.Diesel Exhaust Fluid, Colorless, Composition: 32.5% Urea, 1250 l, Liquid Form, pH Value: 9-10
Features & Benefits
Features & Benefits
RCM55-129AIR-1250 - Features Documents - A
RCM55-129AIR-1250 - Features Documents - B
- AIR1 Diesel Exhaust Fluid can be used in all diesel-powered vehicles where DEF is required.
- Our DEF has a freezing point of -11°C/12°F. It can be thawed and used without product degradation.
- AIR1 DEF has a shelf life of 18 months when stored properly.
- AIR1 DEF exceeds ISO 22241 standards and is API-certified.
- Ideal for use in heavy and light-duty vehicles. Best used in new diesel engines with SCR technology.
- Fill AIR1 DEF into the separate DEF tank. It is NOT to be added to diesel fuel.
- Meets automotive industry specification defined by ISO 22241.
- Required in trucks using SCR technology, DEF helps reduce emissions of NOx gases produced during combustion.
Specifications
| Container Size | 1250 L (330.25 gal) |
| Application | Diesel Exhaust |
| Color | Colorless |
| Composition | 32.5% Urea |
| Form | Liquid |
| Operating Temperature | Freezing point -11°C / 12°F |
| pH Value | 9-10 |
| Standards | ISO 22241, API-certified |
| Type | Diesel Exhaust Fluid (DEF) |
| Product Category | Diesel Exhaust Fluid |
Interchanges & Equivalent parts:
| 55129AIR1000 |
| 55129AIR1250 |
| DC6501100 |
| 55-129AIR-1250 |




















