{"id":17783,"date":"2026-08-10T10:34:17","date_gmt":"2026-08-10T08:34:17","guid":{"rendered":"https:\/\/stolkcarparts.com\/?post_type=product&p=17783"},"modified":"2026-08-10T11:42:52","modified_gmt":"2026-08-10T09:42:52","slug":"coolant-line-water-pump-mercedes-m103","status":"publish","type":"product","link":"https:\/\/stolkcarparts.com\/en\/product\/koelvloeistofleiding-waterpomp-mercedes-m103\/","title":{"rendered":"Water pump coolant line \u2013 Mercedes W124 W201 W126 R107 \u2013 M103 engine\u00a0"},"content":{"rendered":"

Water pump coolant line for Mercedes W124 W201 W126 R107 R129 \u2013 M103 engine<\/h4>\n

Product description<\/h5>\n

This coolant line connects the water pump to the cooling system of the Mercedes M103 engine. The line ensures proper coolant flow and contributes to optimal engine cooling.<\/p>\n

Due to age, the pipes and connections can corrode or start leaking. Replacement prevents coolant loss and helps prevent overheating and damage to the cooling system.<\/p>\n

Suitable for Mercedes models<\/h5>\n

Mercedes W124 Sedan<\/strong><\/p>\n

\u2022 Models with M103 engine
\n\u2022 AMG 3.0
\n\u2022 AMG 3.2
\n\u2022 Brabus 3.6<\/p>\n

Mercedes S124 T-Model<\/strong><\/p>\n

\u2022 Models with M103 engine
\n\u2022 AMG 3.0
\n\u2022 AMG 3.2
\n\u2022 Brabus 3.6<\/p>\n

Mercedes W201<\/strong><\/p>\n

\u2022 190 E 2.6 with M103 engine
\n\u2022 AMG 3.2
\n\u2022 Brabus 3.6<\/p>\n

Mercedes W126 S-Class<\/strong><\/p>\n

\u2022 Models with M103 engine
\n\u2022 Brabus 3.6<\/p>\n

Mercedes R107 SL<\/strong><\/p>\n

\u2022 300 SL with M103 engine
\n\u2022 AMG 3.2
\n\u2022 Brabus 3.6<\/p>\n

Mercedes R129 SL<\/strong><\/p>\n

\u2022 300 SL with M103 engine
\n\u2022 Brabus 3.6<\/p>\n

Suitable for Mercedes engines<\/h5>\n

\u2022 M103
\n\u2022 AMG versions based on the M103 engine
\n\u2022 Brabus 3.6 versions based on the M103 engine<\/p>\n

Specifications<\/h5>\n
    \n
  1. Part: water pump coolant line<\/li>\n
  2. OEM number: 103 200 14 52<\/li>\n
  3. Application: coolant line between water pump and cooling system<\/li>\n
  4. Suitable for Mercedes M103 engines<\/li>\n
  5. Original fit<\/li>\n
  6. High quality<\/li>\n<\/ol>\n
    Additional information<\/h5>\n
      \n
    1. Ensures a reliable flow of the coolant.<\/li>\n
    2. Prevents coolant loss due to corrosion or leakage of the original piping.<\/li>\n
    3. When replacing, also check the O-rings, cooling hoses, hose clamps, and the water pump, and replace them if necessary.<\/li>\n
    4. Always pressure test the cooling system after working on it.<\/li>\n<\/ol>\n
      Advice for optimal protection of the cooling system<\/h5>\n

      For a long lifespan of the radiator, water pump, and other components of the cooling system, we always recommend using the correct coolant.<\/p>\n

      For classic Mercedes models, this is usually a blue-green, silicate-based coolant that offers protection against corrosion, limescale, and internal degradation of the cooling system.<\/p>\n

      In addition, waterless coolant is an excellent alternative. It prevents internal corrosion, reduces the risk of boiling problems, and offers extra protection for classic engines.<\/p>\n

        \n
      1. Protects radiator and engine block against corrosion.<\/li>\n
      2. Prevents deposits and contamination in the cooling system.<\/li>\n
      3. Improves the reliability of the entire cooling system.<\/li>\n
      4. Extends the lifespan of important parts.<\/li>\n<\/ol>\n

        Both the blue-green silicate-based coolant and waterless coolant are available via our webshop.<\/p>\n

        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>","protected":false},"excerpt":{"rendered":"

        Koelvloeistofleiding waterpomp -Mercedes W124 W201 W126 R107 –\u00a0M103 motor<\/h5>","protected":false},"featured_media":17784,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":"","_analytify_skip_tracking":false},"product_cat":[1096,2272],"product_tag":[1588,2270,1628,2271,1689,1764,2064,2071,2260,1555,2265,1562,2267,1563,2268,1570,2269],"vehicles":[],"class_list":["post-17783","product","type-product","status-publish","has-post-thumbnail","product_cat-motorkoeling-m116-8-cilinder-smallblock-w201","product_cat-mercedes-motoronderdelen","product_tag-w201","product_tag-300te","product_tag-mercedes","product_tag-brabus3-6","product_tag-waterpomp","product_tag-300sel","product_tag-300sl","product_tag-300se","product_tag-koelvloeistofleiding","product_tag-r107","product_tag-300e","product_tag-w126","product_tag-amg3-2","product_tag-m103","product_tag-amg-3-2","product_tag-w124","product_tag-amg-m103","first","instock","taxable","shipping-taxable","purchasable","product-type-simple","add-to-wishlist-after_add_to_cart"],"acf":[],"_links":{"self":[{"href":"https:\/\/stolkcarparts.com\/en\/wp-json\/wp\/v2\/product\/17783","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stolkcarparts.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/stolkcarparts.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/stolkcarparts.com\/en\/wp-json\/wp\/v2\/comments?post=17783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stolkcarparts.com\/en\/wp-json\/wp\/v2\/media\/17784"}],"wp:attachment":[{"href":"https:\/\/stolkcarparts.com\/en\/wp-json\/wp\/v2\/media?parent=17783"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/stolkcarparts.com\/en\/wp-json\/wp\/v2\/product_cat?post=17783"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/stolkcarparts.com\/en\/wp-json\/wp\/v2\/product_tag?post=17783"},{"taxonomy":"vehicles","embeddable":true,"href":"https:\/\/stolkcarparts.com\/en\/wp-json\/wp\/v2\/vehicles?post=17783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}