Fluid · Engine Oil
Engine Oil
for 1963 MG MGB 1.8L I4 · RWD
Fluid Type
20W-50 conventional
Spec: API SG or higher
Capacity
5qt
4.73 L
Drain & Refill
4.5 qt
4.26 L
Change Interval
3,000 mi
4,827 km
Notes
Early MGB with 1798cc B-series engine. Filter change adds 0.5 qt. Classic British spec called for 20W-50; modern equivalents acceptable.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.