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Land Rover heater plug & starting check: how often, by model

The heater plug & starting check interval for 4 Land Rover and Range Rover models and engines, whichever comes first of the miles and the time. Choose yours for the parts, genuine part numbers, tools and step-by-step guide.

Series I (1948–58)

Model and engine	How often
2.0 diesel 1957–1958	every 12,000 mi or year

Series II (1958–61)

Model and engine	How often
2.0 diesel 1958–1961	every 12,000 mi or year

Series IIA (1961–71)

Model and engine	How often
2.25 diesel 1961–1971	every 12,000 mi or year

Series III (1971–85)

Model and engine	How often
2.25 diesel 1971–1985	every 12,000 mi or year