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Land Rover spark plugs and ignition service: how often, by model

The spark plugs and ignition service interval for 15 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.

Discovery 1 (1989–98)

Model and engine	How often
3.5 / 3.9 / 4.0 V8 1989–1998	every 12,000 mi or year
2.0 Mpi petrol 1993–1997	every 12,000 mi or year

Discovery 2 (1998–2004)

Model and engine	How often
4.0 V8 1998–2004	every 12,000 mi or year

Ninety / One Ten / 127 (1983–90)

Model and engine	How often
2.25 / 2.5 petrol 1983–1990	every 6,000 mi or year
3.5 V8 1983–1990	every 12,000 mi or year

Range Rover Classic (1970–96)

Model and engine	How often
3.5 V8 carburettor 1970–1985	every 12,000 mi or year
3.5 / 3.9 / 4.2 V8 fuel injection 1985–1996	every 12,000 mi or year

Range Rover P38 (1994–2002)

Model and engine	How often
4.0 / 4.6 V8 1994–2002	every 12,000 mi or year

Series I (1948–58)

Model and engine	How often
1.6 / 2.0 petrol 1948–1958	every 6,000 mi or year

Series II (1958–61)

Model and engine	How often
2.25 petrol 1958–1961	every 6,000 mi or year

Series IIA (1961–71)

Model and engine	How often
2.25 petrol 1961–1971	every 6,000 mi or year
2.6 six-cylinder petrol 1967–1971	every 6,000 mi or year

Series III (1971–85)

Model and engine	How often
2.25 petrol 1971–1985	every 6,000 mi or year
2.6 six-cylinder petrol 1971–1980	every 6,000 mi or year
3.5 V8 1979–1985	every 12,000 mi or year