div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Homepage Hella · When do we change spark plugs The service life of the spark plug depends on the type of spark plug used from approximately 30000km for HELLA Energy plug up src=https:reader034fdocumentsnetreader034viewer20220428055f5cf18c3bb70e2bd014d228html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Homepage Hella · When do we change spark plugs The service life of the spark plug depends on the type of spark plug used from approximately 30000km for HELLA Energy plug up src=https:reader034fdocumentsnetreader034viewer20220428055f5cf18c3bb70e2bd014d228html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Homepage Hella · When do we change spark plugs The service life of the spark plug depends on the type of spark plug used from approximately 30000km for HELLA Energy plug up src=https:reader034fdocumentsnetreader034viewer20220428055f5cf18c3bb70e2bd014d228html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: Homepage Hella · When do we change spark plugs The service life of the spark plug depends on the type of spark plug used from approximately 30000km for HELLA Energy plug up src=https:reader034fdocumentsnetreader034viewer20220428055f5cf18c3bb70e2bd014d228html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: Homepage Hella · When do we change spark plugs The service life of the spark plug depends on the type of spark plug used from approximately 30000km for HELLA Energy plug up...