{"id":40975,"date":"2025-11-26T07:56:42","date_gmt":"2025-11-26T07:56:42","guid":{"rendered":"https:\/\/hanshin-imports.ch\/?post_type=product&#038;p=40975"},"modified":"2025-12-02T16:41:01","modified_gmt":"2025-12-02T16:41:01","slug":"tomei-ej20-ej25-oversized-oil-pump","status":"publish","type":"product","link":"https:\/\/hanshin-imports.ch\/index.php\/product\/tomei-ej20-ej25-oversized-oil-pump\/","title":{"rendered":"Tomei Subaru EJ20\/EJ25 OVERSIZED OIL PUMP"},"content":{"rendered":"<h1 class=\"name\">Tomei EJ20\/EJ25 OVERSIZED OIL PUMP<\/h1>\n<p class=\"photo\"><a href=\"https:\/\/www.tomei-p.co.jp\/search\/img\/searchimage\/open\/194013.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/www.tomei-p.co.jp\/search\/img\/searchimage\/open\/194013.jpg\" alt=\"\" \/><\/a><\/p>\n<p class=\"description\">Rotor gear diameter, gear thickness, teeth design, as well as the case body are all developed especially for tuned EJ20\/EJ25 to be able support increased performance.<br \/>\nThe increased flow rate, flow pressure and durability are whole different level compared to ordinary after market pumps that replace only the internal rotor gear.<\/p>\n<h2>PRODUCT INFO<\/h2>\n<div class=\"table-box\">\n<table>\n<tbody>\n<tr>\n<th>APPLICATION<\/th>\n<th>P\/N<\/th>\n<th>CHF<\/th>\n<th>NOTES<\/th>\n<\/tr>\n<tr>\n<td>EJ20<br \/>\nEJ25<\/td>\n<td>194013<\/td>\n<td>CHF1280<\/td>\n<td>\u30fbOil Flow Rate: 49L (@ 6000rpm \/ pressure 530KPa)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>FEATURE \/ SPEC<\/h2>\n<div class=\"table-box\">\n<table>\n<tbody>\n<tr>\n<th colspan=\"2\"><\/th>\n<th>TOMEI<\/th>\n<th>STD<\/th>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span class=\"en\">Material<\/span><\/td>\n<td>SCM435<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><span class=\"en\">Inner rotor gear<\/span><\/td>\n<td rowspan=\"2\"><span class=\"en\">Number of teeth<\/span><\/td>\n<td>9<\/td>\n<td>9<\/td>\n<\/tr>\n<tr>\n<td><span class=\"en\">Outer rotor gear<\/span><\/td>\n<td>10<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span class=\"en\">Outer rotor gear O.D.<\/span><\/td>\n<td>\u03c680<\/td>\n<td>\u03c678<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><span class=\"en\">Outer rotor gear thickness<\/span><\/td>\n<td>t=13<\/td>\n<td>t=11<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8270\" src=\"https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump1.jpg\" sizes=\"(max-width: 1100px) 100vw, 1100px\" srcset=\"https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump1.jpg 1100w, https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump1-300x68.jpg 300w, https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump1-768x175.jpg 768w, https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump1-1024x233.jpg 1024w\" alt=\"\" width=\"1100\" height=\"250\" \/><br \/>\n<span class=\"en\">From the case body, case cover to the rotor gear, everything has been redesigned and optimized for tuned EJ motor with increased performance.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8273\" src=\"https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump2.jpg\" sizes=\"(max-width: 1100px) 100vw, 1100px\" srcset=\"https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump2.jpg 1100w, https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump2-300x68.jpg 300w, https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump2-768x175.jpg 768w, https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump2-1024x233.jpg 1024w\" alt=\"\" width=\"1100\" height=\"250\" \/><br \/>\n<span class=\"en\">Developed for more flow rate and pressure adjustment while maintaining precise operation from the Chromoly SCM435 rotor gear retained by both the front and rear side of the inner gear that reduces gear vibration and makes it strong and durable.<\/span><\/p>\n<div class=\"kaihei-header x\">DATA<\/div>\n<div class=\"kaihei-body\"><span class=\"en\"><b>\u3010Oil pressure data (reference)\u3011<\/b><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8471\" src=\"https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump3e.jpg\" sizes=\"(max-width: 1100px) 100vw, 1100px\" srcset=\"https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump3e.jpg 1100w, https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump3e-300x68.jpg 300w, https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump3e-768x175.jpg 768w, https:\/\/www.tomei-p.co.jp\/catalogue\/wp-content\/uploads\/2020\/10\/ej_oilpump3e-1024x233.jpg 1024w\" alt=\"\" width=\"1100\" height=\"250\" \/>\u00a0*This data is reference only. Actual value will vary depending on oil spec, temp and other factors.<br \/>\n*Numerical values of oil pressure will vary depending on ambient temperature.<\/span><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Rotor gear diameter, gear thickness, teeth design, as well as the case body are all developed especially for tuned EJ20\/EJ25 to be able support increased performance.<br \/>\nThe increased flow rate, flow pressure and durability are whole different level compared to ordinary after market pumps that replace only the internal rotor gear.<\/p>\n","protected":false},"featured_media":41139,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[51],"product_cat":[22,648,659,670,5031],"product_tag":[2172,5306,787,2041],"class_list":{"0":"post-40975","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-tomei-powered","7":"product_cat-engine","8":"product_cat-engine-43","9":"product_cat-engine-44","10":"product_cat-engine-45","11":"product_cat-tomei-powered","12":"product_tag-ej20-25","13":"product_tag-oil-pump","14":"product_tag-subaru-2","15":"product_tag-tomei","16":"pa_road-legal-in-switzerland-no-for-race-only","18":"first","19":"onbackorder","20":"taxable","21":"shipping-taxable","22":"purchasable","23":"product-type-simple"},"supplier_id":null,"supplier_sku":"","barcode":null,"atum_controlled":true,"out_stock_date":"2025-11-26 07:58:47","out_stock_threshold":null,"inheritable":false,"inbound_stock":0,"stock_on_hold":0,"sold_today":0,"sales_last_days":0,"reserved_stock":0,"customer_returns":0,"warehouse_damage":0,"lost_in_post":0,"other_logs":0,"out_stock_days":148,"lost_sales":0,"has_location":false,"update_date":"2026-04-24T07:27:18","atum_locations":[],"atum_stock_status":"onbackorder","restock_status":false,"low_stock_amount":"","sales_update_date":"2026-04-24T07:27:18","calc_backorders":-1,"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/hanshin-imports.ch\/index.php\/wp-json\/wp\/v2\/product\/40975","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hanshin-imports.ch\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hanshin-imports.ch\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/hanshin-imports.ch\/index.php\/wp-json\/wp\/v2\/comments?post=40975"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hanshin-imports.ch\/index.php\/wp-json\/wp\/v2\/media\/41139"}],"wp:attachment":[{"href":"https:\/\/hanshin-imports.ch\/index.php\/wp-json\/wp\/v2\/media?parent=40975"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hanshin-imports.ch\/index.php\/wp-json\/wp\/v2\/product_brand?post=40975"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hanshin-imports.ch\/index.php\/wp-json\/wp\/v2\/product_cat?post=40975"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hanshin-imports.ch\/index.php\/wp-json\/wp\/v2\/product_tag?post=40975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}