{"id":18254,"date":"2026-08-16T14:54:23","date_gmt":"2026-08-16T12:54:23","guid":{"rendered":"http:\/\/www.stolkcarparts.com\/?post_type=product&#038;p=18254"},"modified":"2026-09-23T09:22:52","modified_gmt":"2026-09-23T07:22:52","slug":"koelvloeistofpomp-waterpomp-mercedes-m103","status":"publish","type":"product","link":"https:\/\/www.stolkcarparts.com\/en\/product\/koelvloeistofpomp-waterpomp-mercedes-m103\/","title":{"rendered":"Koelvloeistofpomp &#8211; Waterpomp M103 &#8211; Mercedes R107 R129 W124 S124 C124 W126 W201 W463"},"content":{"rendered":"<h4>Coolant pump \u2013 Water pump Mercedes R107 R129 W124 S124 C124 W126 W201 W463 \u2013 M102 M103 Engine<\/h4>\n<p>Coolant pump for various classic and modern Mercedes models with the <strong>\u00a0M103 petrol engine<\/strong>. The water pump ensures reliable circulation of the coolant through the engine and radiator and helps maintain the engine at the correct operating temperature.<\/p>\n<p>A properly functioning coolant pump is essential to prevent overheating and potential engine damage.<\/p>\n<h5>Suitable for Mercedes models (early version)<\/h5>\n<p><strong>Mercedes R107 SL<\/strong><\/p>\n<p>\u2022 300 SL (107.041) \u2013 M103.982 \u2013 09.1985 to 08.1989 \u2013 180\/188 HP.<\/p>\n<p><strong>Mercedes R129 SL<\/strong><\/p>\n<p>\u2022 300 SL (129.060) \u2013 M103.984 \u2013 03.1989 to 08.1993 \u2013 190 HP.<\/p>\n<p><strong>Mercedes W124 Sedan<\/strong><\/p>\n<p>\u2022 260 E (124,026) \u2013 M103,940 \u2013 09.1985 to 08.1992 \u2013 160\/166 HP.<br \/>\n\u2022 260 E 4MATIC (124.226) \u2013 M103.943\/M103.940 \u2013 09.1986 to 08.1992 \u2013 160\/166 HP.<br \/>\n\u2022 300 E (124.030) \u2013 M103.980\/M103.983 \u2013 01.1985 to 08.1992 \u2013 180\/188 HP.<br \/>\n\u2022 300 E 4MATIC (124.230) \u2013 M103.985 \u2013 09.1986 to 06.1993 \u2013 180 HP.<br \/>\n\u2022 300 E 4MATIC \u2013 M103.983 \u2013 09.1986 to 02.1992 \u2013 188 HP.<br \/>\n\u2022 E 300 4MATIC (124.230) \u2013 M103.985 \u2013 06.1993 to 06.1995 \u2013 180 HP.<\/p>\n<p><strong>Mercedes S124 T-model<\/strong><\/p>\n<p>\u2022 260 TE FGST. (124.007) \u2013 M103.940 \u2013 09.1985 to 08.1992 \u2013 160\/166 HP.<br \/>\n\u2022 300 TE (124.090) \u2013 M103.983 \u2013 01.1986 to 08.1992 \u2013 180\/188 HP.<br \/>\n\u2022 300 TE 4MATIC (124.290) \u2013 M103.985\/M103.983 \u2013 09.1986 to 06.1993 \u2013 180\/188 HP.<br \/>\n\u2022 E 300 T 4MATIC (124.290) \u2013 M103.985 \u2013 06.1993 to 06.1996 \u2013 180 HP.<\/p>\n<p><strong>Mercedes C124 Coup\u00e9<\/strong><\/p>\n<p>\u2022 300 CE (124.050) \u2013 M103.983 \u2013 03.1987 to 05.1993 \u2013 180\/188 HP.<\/p>\n<p><strong>Mercedes W126 S-Class<\/strong><\/p>\n<p>\u2022 260 SE (126.020) \u2013 M103.941 \u2013 09.1985 to 06.1991 \u2013 160\/166 HP.<br \/>\n\u2022 300 SE (126,024) \u2013 M103,981 \u2013 09.1985 to 06.1991 \u2013 180\/188 HP.<br \/>\n\u2022 300 SEL (126.025) \u2013 M103.981 \u2013 09.1985 to 06.1991 \u2013 180\/188 HP.<\/p>\n<p><strong>Mercedes W201 \/ 190<\/strong><\/p>\n<p>\u2022 190 E 2.6 (201.029) \u2013 M103.942 \u2013 09.1986 to 08.1993 \u2013 160\/166 HP.<\/p>\n<p><strong>Mercedes W463 G-Class<\/strong><\/p>\n<p>\u2022 300 GE (463.227) \u2013 M103.987 \u2013 from 09.1989 \u2013 170\/174 HP.<br \/>\n\u2022 300 GE (463.228) \u2013 M103.987 \u2013 from 09.1989 \u2013 170\/174 HP.<\/p>\n<p><strong>Mercedes W463 G-Class Cabriolet<\/strong><\/p>\n<p>\u2022 300 GE (463.207) \u2013 M103.987 \u2013 09.1989 to 09.1997 \u2013 170 HP.<\/p>\n<h5><strong><span style=\"font-size: 12pt\">Up to engine<\/span><\/strong><\/h5>\n<p>940 10\/50, 20\/60 \u2013 037063<br \/>\n940 12\/52, 22\/62 \u2013 108231<br \/>\n941 10\/50, 20\/60 \u2013 002988<br \/>\n941 12\/52, 22\/62 \u2013 009802<br \/>\n942 10\/50, 20\/60 \u2013 020231<br \/>\n942 12\/52 \u2013 067444<br \/>\n943 10\/50, 20\/60 \u2013 000138<br \/>\n943 12\/52, 22\/62 \u2013 000299<br \/>\n981 10\/50, 20\/60 \u2013 004966<br \/>\n981 12\/52, 22\/62 \u2013 045443<br \/>\n982 10\/50, 20\/60 \u2013 001731<br \/>\n982 12\/52, 22\/62 \u2013 007505<br \/>\n983 10\/50, 20\/60 \u2013 045255<br \/>\n983 12\/52, 22\/62 \u2013 268716<br \/>\n984 10\/50, 20\/60 \u2013 000894<br \/>\n984 12\/52, 22\/62 \u2013 004647<br \/>\n985 12\/52, 22\/62 \u2013 019009<br \/>\n987 10\/50, 20\/60 \u2013 000978<br \/>\n987 12\/52, 22\/62 \u2013 002357<\/p>\n<h5>Specifications<\/h5>\n<ol>\n<li>Part: coolant pump water pump.<\/li>\n<li>Application: engine cooling.<\/li>\n<li>Suitable for Mercedes M103 engines.<\/li>\n<li>Version: mechanical coolant pump.<\/li>\n<\/ol>\n<h5>Additional information<\/h5>\n<ol>\n<li>The coolant pump ensures constant circulation of the coolant and prevents the engine from overheating.<\/li>\n<li>A worn water pump can cause leakage, bearing play, or reduced cooling capacity.<\/li>\n<li>Always check the version of the old water pump, the flange, the dimensions, and the number of mounting holes before ordering.<\/li>\n<\/ol>\n<h4>Recommended replacement<\/h4>\n<p>We recommend replacing the coolant hose between the engine and the thermostat when replacing the coolant pump. This is available in our webshop under SKU number:\u00a0 <a href=\"http:\/\/www.stolkcarparts.com\/product\/koelwaterslang-mercedes-m102-m103-motor\/\" target=\"_blank\" rel=\"noopener\"><strong>MB-1032030082-KHL-NB\u00a0<\/strong><\/a><\/p>\n<p>When the original coolant line, <strong>see photo on the left<\/strong>, is still mounted on the water pump, we recommend replacing this immediately as well. The updated version, <strong>see photo on the right<\/strong>, is available in our webshop under SKU number:\u00a0 <a href=\"http:\/\/www.stolkcarparts.com\/product\/koelvloeistofleiding-waterpomp-mercedes-m103\/\" target=\"_blank\" rel=\"noopener\"><strong>MB-1032001452-KHL-NB\u00a0<\/strong><\/a><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-17786\" src=\"http:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-440x440.webp\" alt=\"old pipe\" width=\"440\" height=\"440\" srcset=\"https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-440x440.webp 440w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-800x800.webp 800w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-150x150.webp 150w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-768x768.webp 768w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-12x12.webp 12w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-16x16.webp 16w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-20x20.webp 20w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-36x36.webp 36w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-48x48.webp 48w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-300x300.webp 300w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-600x600.webp 600w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-100x100.webp 100w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen-80x80.webp 80w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/oude-leiding-die-moet-worden-vervangen.webp 1024w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><img decoding=\"async\" class=\"alignnone size-medium wp-image-17784\" src=\"http:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-440x440.webp\" alt=\"Water pump coolant line - Mercedes W124 W201 W126 R107 - M103 engine\u00a0\" width=\"440\" height=\"440\" srcset=\"https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-440x440.webp 440w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-800x800.webp 800w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-150x150.webp 150w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-768x768.webp 768w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-12x12.webp 12w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-16x16.webp 16w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-20x20.webp 20w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-36x36.webp 36w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-48x48.webp 48w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-300x300.webp 300w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-600x600.webp 600w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-100x100.webp 100w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1-80x80.webp 80w, https:\/\/www.stolkcarparts.com\/wp-content\/uploads\/MB-1032001452-KHL-NB-Leiding-koelvloeistof-waterpomp-1.webp 1024w\" sizes=\"(max-width: 440px) 100vw, 440px\" \/><\/p>\n<p>In some cases, the hose from the pump to the radiator must also be replaced with the A1265016082.<\/p>\n<p>If your coolant pump is still equipped with a plastic thermostat housing, we recommend installing the improved aluminium thermostat housing. <a href=\"http:\/\/www.stolkcarparts.com\/product\/thermosstaathuis-m103-m104-motor-mercedes-w202-w210-w126-w140-r107-r129-w463\/\" target=\"_blank\" rel=\"noopener\">MB-1032030774-KHL-NB<\/a><\/p>\n<h5>Important<\/h5>\n<ol>\n<li>Always consult the workshop manual for the relevant Mercedes model for specific installation instructions.<\/li>\n<li>Installation must be carried out exclusively by qualified personnel.<\/li>\n<\/ol>\n<p>Always check before purchase and installation whether the part is suitable and equivalent based on photos, description, and specifications; installed or used parts cannot be returned.<\/p>\n<h5>Installation advice coolant pump \u2013 water pump<\/h5>\n<p>Correct installation is important for the lifespan of a new coolant pump and the reliable operation of the entire cooling system. Therefore, before installation, please read our comprehensive installation advice containing important information on installation, inspection points, bleeding, and the correct coolant.<\/p>\n<p><a style=\"display: inline-block;background-color: #07589c;color: #ffffff !important;padding: 12px 22px;text-decoration: none;font-weight: bold;border-radius: 5px;margin-top: 8px;margin-bottom: 8px\" href=\"http:\/\/www.stolkcarparts.com\/montageadvies-koelvloeistofpomp-waterpomp-mercedes-klassiekers\/\" target=\"_blank\" rel=\"noopener\">View the coolant pump \u2013 water pump installation advice<\/a><\/p>","protected":false},"excerpt":{"rendered":"<h5>Koelvloeistofpomp &#8211; Waterpomp\u00a0 voor\u00a0 M103 Motor vroege versie<\/h5>","protected":false},"featured_media":18258,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":""},"product_cat":[2276,1096,2272],"product_tag":[1628,1689,1555,1943,1562,2077,1563,1570,1577,1587,1588,1617,1618],"vehicles":[],"class_list":["post-18254","product","type-product","status-publish","has-post-thumbnail","product_cat-mercedes-koelsysteem","product_cat-motorkoeling-m116-8-cilinder-smallblock-w201","product_cat-mercedes-motoronderdelen","product_tag-mercedes","product_tag-waterpomp","product_tag-r107","product_tag-motor","product_tag-w126","product_tag-koelvloeistofpomp","product_tag-m103","product_tag-w124","product_tag-r129","product_tag-w463","product_tag-w201","product_tag-s124","product_tag-c124","first","instock","taxable","shipping-taxable","purchasable","product-type-simple","add-to-wishlist-after_add_to_cart"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.stolkcarparts.com\/en\/wp-json\/wp\/v2\/product\/18254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stolkcarparts.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.stolkcarparts.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stolkcarparts.com\/en\/wp-json\/wp\/v2\/comments?post=18254"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stolkcarparts.com\/en\/wp-json\/wp\/v2\/media\/18258"}],"wp:attachment":[{"href":"https:\/\/www.stolkcarparts.com\/en\/wp-json\/wp\/v2\/media?parent=18254"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.stolkcarparts.com\/en\/wp-json\/wp\/v2\/product_cat?post=18254"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.stolkcarparts.com\/en\/wp-json\/wp\/v2\/product_tag?post=18254"},{"taxonomy":"vehicles","embeddable":true,"href":"https:\/\/www.stolkcarparts.com\/en\/wp-json\/wp\/v2\/vehicles?post=18254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}