Mitsubishi MN158385 — Rocker Cover Oil Seal
Overview
Valve cover spark plug tube seal Mitsubishi MN158385 seals spark plug wells to prevent engine oil ingress into spark plug channels and ignition coils. Manufactured from heat-resistant fluororubber (FKM) with a steel internal reinforcing ring. Specs: inner diameter 26 mm, outer diameter 40 mm, height 10 mm. Original OEM reference number Mitsubishi MN158385 matches factory housing specifications in metal and composite rocker covers. Oil-resistant compound maintains elasticity across temperatures from -40 °C to +180 °C, withstanding constant thermal cycles and engine oil contact. Metal collar prevents seal distortion during press-fit installation into the cylinder head cover. Precision sealing lip controls oil film retention and reduces wear on mating surfaces, protecting electrical components against fluid contamination.
Fits Mitsubishi Lancer IX 1.3, 1.6 (2003–2008), Lancer X 1.8, 2.0 (2007–2015), Outlander CU, CW 2.0, 2.4 (2002–2012), Grandis 2.4 (2003–2011), and Galant IX 2.4 (2003–2012) fitted with 4G18, 4G69, 4B10, and 4B11 petrol engines. Replace component during rocker cover gasket renewal, when oil presence is detected on spark plug insulators, during engine misfire diagnosis, or at service intervals of 80,000–100,000 km. Hardened rubber seals allow oil accumulation inside spark plug wells, causing ignition coil boot deterioration, electrical short circuits, and cylinder misfires.
Mitsubishi MN158385 — rocker cover oil seal. 5 offers available, starting from 17.95 USD.
Specifications
Manufacturer — Mitsubishi. Article number — MN158385. Name — Rocker Cover Oil Seal. Offers — 5. From — 17.95 USD.
Compatible cross-references
Replacements and analogues: Mitsubishi 1035A108, Mitsubishi 1035A108, AJUSA 56059100, Armor MN158385, BGA HN3387, BGA RK2340, Febest MCPKA4T.
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