{"id":12091,"date":"2021-02-16T14:32:20","date_gmt":"2021-02-16T14:32:20","guid":{"rendered":"https:\/\/gardentoolspares.com\/?post_type=product&#038;p=12091"},"modified":"2026-08-14T12:38:40","modified_gmt":"2026-08-14T12:38:40","slug":"oleo-mac-gsh-400-chainsaw-oil-filter-strainer","status":"publish","type":"product","link":"https:\/\/gardengeniusparts.com\/gtstest\/product\/oleo-mac-gsh-400-chainsaw-oil-filter-strainer\/","title":{"rendered":"OLEO-MAC GSH400 Chainsaw Oil Filter \/ Strainer"},"content":{"rendered":"<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"><strong>Oil filter \/ strainer<\/strong> fits <strong>Oleo-Mac GSH400<\/strong> and many other <strong>chainsaws.<\/strong> Sitting inside the <strong>oil tank<\/strong>, the <strong>oil filter<\/strong> catches <strong>debris<\/strong> and <strong>residue<\/strong> before the <strong>bar and chain oil<\/strong> is drawn into the <strong>oil pump<\/strong>, protecting the pump's internal <strong>plunger<\/strong> or <strong>rotor<\/strong> from grit that could cause premature wear. When the filter <strong>clogs<\/strong> with sludge or <strong>splits<\/strong>, oil delivery to the <strong>pump<\/strong> can drop off or debris can pass through unfiltered, leading to <strong>reduced oil flow<\/strong> to the <strong>guide bar<\/strong> or accelerated wear inside the <strong>oil pump<\/strong> itself. Fitting a replacement <strong>oil filter<\/strong> restores clean, unrestricted oil <strong>flow<\/strong>\u00a0<strong>into<\/strong> the <strong>pump.<\/strong><\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal\" dir=\"ltr\"><strong>Fits specified Oleo-Mac models:<\/strong><\/p>\n<ul class=\"[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\" dir=\"ltr\">\n<li class=\"font-claude-response-body whitespace-normal break-words pl-2\">Oleo-Mac GSH400<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><strong>Oil filter \/ strainer<\/strong> for <strong>Oleo-Mac GSH400<\/strong> and other <strong>chainsaws.<\/strong><\/p>\n","protected":false},"featured_media":20922,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[63,55,189],"product_tag":[3627,224,264,3899,3900,548,394,5239,3898,4531,1916,3745],"class_list":["post-12091","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-air-fuel-oil-filters","product_cat-chainsaw-parts","product_cat-oleo-mac","product_tag-3627","product_tag-chainsaw","product_tag-filter","product_tag-gsh","product_tag-gsh400","product_tag-mac","product_tag-oil","product_tag-oil-filter","product_tag-oleo","product_tag-oleo-mac","product_tag-oleomac","product_tag-strainer"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>OLEO-MAC GSH 400 CHAINSAW OIL FILTER \/ STRAINER<\/title>\n<meta name=\"description\" content=\"Genuine oil filter suitable for Oleo-Mac GSH400 and other chainsaws.\" \/>\n<meta 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