Coolant

for 2018-2026 Freightliner M2 106 6.7L I6 Cummins B6.7 · RWD

Fluid Type

Extended Life Coolant (OAT/NOAT) 50/50

Spec: Cummins CES 14603

Capacity

32qt

30.27 L

Drain & Refill

34.88 qt

33 L

Data quality

✓ Verified

Cross-checked against OEM or multiple independent sources.

Notes

Heavy-duty extended life coolant with SCA. 50/50 pre-mix or dilute with distilled water. B6.7 requires proper coolant chemistry for emissions system protection.

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Other fluid systems on this vehicle

Automatic Transmission

28 qt

Washer Fluid

4 qt

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