Fluid · Coolant
Coolant
for 2005 Chevrolet Suburban 2500 8.1L V8 Vortec · 4WD
Fluid Type
DEX-COOL OAT 50/50 prediluted
Spec: GM 6277M / DEX-COOL
Capacity
29qt
27.43 L
Drain & Refill
16.28 qt
15.4 L
Change Interval
150,000 mi
241,350 km
Data quality
✓ Verified
Cross-checked against OEM or multiple independent sources.
Notes
DEX-COOL extended life; large capacity system
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.