| skos:altLabel | - S4
- four
- L4
- I4
- L-4
- 4-cylinder
- four-cylinder
- 3-cylinder
- I-4
- i4
- four cylinder
- four-cylinder engine
- I4 engine
- straight four
- inline-four engine
- straight-4
- 4 cylinder
- 4-cylinde
- 4-cylinder engine
- 4-cylinder in-line engine
- Four cylinder
- I4 engines
- I4 petrol
- Inline 4
- Inline four-cylinder sidevalve engine
- Inline, four cylinders
- Inline-4
- Inline-4 cyl
- Inline-4 cylinder
- Inline-4 engine
- Inline-four
- Inline-fours
- L-4 engine
- Straight-4
- Straight-four
- four cylinder engines
- four cylinder in-line engine
- in-line 4
- in-line four cylinder
- in-line four-cylinder
- inline 4-cylinder
- inline four
- inline four-cylinder
- inline four-cylinder engine
- inline-2
- inline-4
- inline-four
- inline-four cylinder
- inline-four engines
- l4
- straight four-cylinder
- straight-four
- straight-four engine
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