Chevrolet 1994 Lumina Owner's Manual page 211

Normal Maintenance Replacement Parts
Air Cleaner Element
3.1L V6 and 3.4L DOHC V6
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Engine Oil Filter
3.1LV6
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3.4LDOHCV6
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Fuel Filter
AllEngines
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PCV Valve
3.1LV6
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3.4DOHCV6
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Spark Plugs
3.1LV6
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3.4LDOHCV6
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AC Type A- 1208C
AC Type PF-47
AC Type PF-5 1
AC Type GF-478
AC Type CV-892C
AC Type CV-895C
AC Type oR44LTSM
Gap: 0.045 inch (1.14 mm)
AC Type oR42LTSM
Gap: 0.045 inch (1.14 mm)