| Brand | OTC Tools |
|---|---|
| Manufacturer Part Number | 5025 |
| Warranty | 1 yr warranty on material and workmanship |
| UPC | 731413559846 |
Check the listing for details. OTC Tools 5025 UREA DEF Refractometer. Condition: New. Listed at 143.76 USD. Most heavy duty engine (Class 7-8 trucks) manufacturers, have chosen to utilize SCR. This Includes Detroit Diesel (DD13, DD15, and DD16 models), Cummins (ISX line), PACCAR, and Volvo/Mack. SCR-equipped engines require the periodic addition of Diesel Exhaust Fluid (DEF, a urea solution) to enable the process.