{"product_id":"8-pin-female-male-auto-waterproof-connector-harness-plug-for-s13-lower-trans-7123-7780-40-7157-7789-60","title":"7123-7780-40 \/ 7157-7789-60 Automotive 8-Pin Waterproof Connector — S13 Lower Transmission Wiring Harness Plug","description":"\u003ch2\u003e7123-7780-40 \/ 7157-7789-60 Automotive 8-Pin Waterproof Connector — S13 Lower Transmission Wiring Harness Plug\u003c\/h2\u003e\n\n\u003cp\u003eTransmission wiring harness connectors operate in one of the most demanding environments in any vehicle — exposed to automatic transmission fluid, extreme heat cycles, and constant vibration from the drivetrain. The \u003cstrong\u003e7123-7780-40 \/ 7157-7789-60 8-pin waterproof automotive connector\u003c\/strong\u003e is engineered to meet these demands, providing a sealed, OEM-specification electrical connection for S13 lower transmission harness circuits and related automotive wiring harness applications.\u003c\/p\u003e\n\n\u003cp\u003eWith a \u003cstrong\u003esealed IP-rated housing\u003c\/strong\u003e and \u003cstrong\u003etin-plated copper alloy contacts\u003c\/strong\u003e, this connector maintains low contact resistance and corrosion resistance across the full service life of the transmission. Whether you're restoring a Nissan S13 platform, repairing a transmission control module harness, or fabricating a custom drivetrain wiring loom, the 7123-7780-40 \/ 7157-7789-60 delivers the dimensional accuracy and sealing integrity of the original OEM part.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Numbers\u003c\/td\u003e\n\u003ctd\u003e7123-7780-40 (female) \/ 7157-7789-60 (male)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Count\u003c\/td\u003e\n\u003ctd\u003e8 pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eWaterproof automotive transmission harness connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Application\u003c\/td\u003e\n\u003ctd\u003eS13 lower transmission wiring harness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSealing\u003c\/td\u003e\n\u003ctd\u003eSealed \/ waterproof (wire seal + housing seal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePA66 glass-filled nylon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Material\u003c\/td\u003e\n\u003ctd\u003eTin-plated copper alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSealed waterproof design\u003c\/strong\u003e — wire seals and housing seal prevent ATF, water, and contaminant ingress into the connector cavity; critical for transmission and underbody harness applications\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eOEM part numbers 7123-7780-40 \/ 7157-7789-60\u003c\/strong\u003e — direct-fit dimensional match for S13 lower transmission harness connector positions\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e8-pin configuration\u003c\/strong\u003e — covers multiple transmission control, solenoid, and sensor signal circuits in a single compact connector body\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePA66 glass-filled nylon housing\u003c\/strong\u003e — rated for continuous exposure to ATF, engine oil, and high under-transmission temperatures\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eTin-plated copper alloy contacts\u003c\/strong\u003e — low contact resistance for clean solenoid and sensor signal transmission; resists oxidation in fluid-exposed environments\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePositive locking latch\u003c\/strong\u003e — audible click confirms full engagement; prevents accidental disconnection from drivetrain vibration\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCE certified\u003c\/strong\u003e — meets European automotive electrical component standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNissan S13 lower transmission wiring harness connector repair and replacement\u003c\/li\u003e\n\u003cli\u003eAutomatic transmission control module (TCM) harness connector repair\u003c\/li\u003e\n\u003cli\u003eTransmission solenoid and speed sensor wiring harness fabrication\u003c\/li\u003e\n\u003cli\u003eCustom drivetrain and gearbox wiring harness construction\u003c\/li\u003e\n\u003cli\u003eAutomotive restoration and harness repair for S-chassis Nissan platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this connector compatible with the Nissan S13 transmission harness?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Part numbers 7123-7780-40 and 7157-7789-60 are OEM-specification references for the S13 lower transmission harness connector. Verify the part number against your vehicle's harness before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are wire seals and terminals included?\u003c\/strong\u003e\u003cbr\u003eA: Inclusion of wire seals and terminals depends on the variant selected. Complete kits with OEM-specification crimp terminals and wire seals are available — check the product options before adding to cart.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What wire gauge is compatible?\u003c\/strong\u003e\u003cbr\u003eA: Compatible with 0.5–1.25mm² (AWG 20–18) automotive wire, consistent with transmission sensor and solenoid circuit wire gauges.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× 7123-7780-40 \/ 7157-7789-60 8-Pin Waterproof Automotive Transmission Connector (male plug or female socket as selected)\u003c\/li\u003e\n\u003cli\u003eWire seals and crimp terminals included in complete kit variants\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"15 cm wire \/ 1P \/ female","offer_id":47394045034731,"sku":"14:200003699#15 cm wire;200497261:203372044;200505263:203194826#female","price":31.68,"currency_code":"USD","in_stock":true},{"title":"Male Connector Set \/ 1P \/ female","offer_id":47394045067499,"sku":"14:200004889#Male Connector Set;200497261:203372044;200505263:203194826#female","price":15.24,"currency_code":"USD","in_stock":true},{"title":"15 cm wire 1 \/ 1P \/ female","offer_id":47394045100267,"sku":"14:200004891#15 cm wire;200497261:203372044;200505263:203194826#female","price":28.26,"currency_code":"USD","in_stock":true},{"title":"Female Connector Set \/ 1P \/ female","offer_id":47394045133035,"sku":"14:200004890#Female Connector Set;200497261:203372044;200505263:203194826#female","price":18.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/8-pin-s13-lower-trans-connector-main.webp?v=1770186586","url":"https:\/\/keszoox.com\/products\/8-pin-female-male-auto-waterproof-connector-harness-plug-for-s13-lower-trans-7123-7780-40-7157-7789-60","provider":"Keszoox","version":"1.0","type":"link"}