ROLLS-ROYCE Silver Spirit Spark plug replacement Cost
1989–1993 · Engine, Fuel & Emissions system
Typical range
$144–$552
Parts + labour
Labour hours
0.5–1.5h
At a typical garage
Spark plugs ignite the air–fuel mixture; worn plugs cause misfires, rough idle, poor fuel economy and difficulty starting. Most modern engines use iridium or platinum plugs with 60,000–100,000-mile intervals. ROLLS-ROYCE Silver Spirit spark plug replacement costs $144–$552.
Typical parts included
- Spark plug
- Spark plug
What affects the price
- Copper vs iridium vs platinum plugs (iridium lasts longest)
- Number of cylinders
- Accessibility—some engines require intake manifold removal, adding significant labour
Common questions
How long does this repair take?
Spark plug replacement on a ROLLS-ROYCE Silver Spirit typically takes 0.5–1.5 hours at a garage.
How often does this need to be done?
For a ROLLS-ROYCE Silver Spirit, this is typically needed every 30,000 miles for copper plugs; every 60,000–100,000 miles for iridium or platinum plugs.
Other engine, fuel & emissions system repairs on the ROLLS-ROYCE Silver Spirit
- ABS hydraulic unit replacement$510–$918
- ABS sensor replacement$210–$378
- ABS system bleeding$168–$302
- AC compressor clutch replacement$420–$756
- AC compressor replacement$450–$810
Spark plug replacement cost on similar cars
- BMW 5 Series Sedan$110–$198
- AUDI A8$110–$198
- MERCEDES BENZ S-Klasse and predecessors$110–$198
- MASERATI Ghibli$110–$198
- BENTLEY Continental GT$140–$252
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