{"product_id":"jetuplusllc-speedo-leak-stop-seal-kit-for-th400-th375-th475-3l80e-transmissions","title":"Jetuplusllc Speedo Leak Stop Seal Kit for TH400 TH375 TH475 \u0026 3L80E Transmissions","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eKeep your speedometer readings accurate and your transmission area clean with the Jetuplusllc Speedo Leak Stop Seal Kit. Engineered as a direct replacement for classic TH400 family transmissions and related models, this kit addresses the speedometer driven gear housing without requiring a full teardown. The result is a straightforward upgrade path for older vehicles or restoration projects that rely on reliable seals and dependable performance.\u003c\/p\u003e\n\u003cp\u003eCondition: New. Brand: Jetuplusllc. Part Type: Seal Kit. Fitment Type: Direct Replacement. This kit focuses on the essential components involved in the speedometer housing seal, delivering a compact, all-in-one solution designed for ease of installation and consistent results.\u003c\/p\u003e\n\n\u003ch3\u003eKit contents and fitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHousing O-Ring\u003c\/li\u003e\n  \u003cli\u003eSpeedometer Shaft Seal\u003c\/li\u003e\n  \u003cli\u003eSpeedometer Shaft Seal Retainer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFitment covers TH375, TH400, TH475 and 3L80E transmissions from 1964 and up. The parts are designed to align with common seal layouts, enabling a direct replacement path that minimizes downtime and preserves original alignment.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable seal components to help reduce seepage around the speedometer housing\u003c\/li\u003e\n  \u003cli\u003eDirect replacement parts designed for straightforward installation\u003c\/li\u003e\n  \u003cli\u003eProtects the speedometer drive area while supporting consistent readings\u003c\/li\u003e\n  \u003cli\u003eCompact kit reduces clutter and simplifies maintenance planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world use scenarios\u003c\/h3\u003e\n\u003cp\u003eIdeal for classic car restorations, frequent-driver projects, and performance builds where a tight seal supports longevity and cleaner transmission surroundings. Users may notice easier maintenance and fewer drips in the work area, along with more predictable speedometer behavior over time.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect mating surfaces for wear before replacing seals\u003c\/li\u003e\n  \u003cli\u003eFollow standard seal replacement procedures to ensure proper seating\u003c\/li\u003e\n  \u003cli\u003eReplace related components if there is visible wear or damage\u003c\/li\u003e\n  \u003cli\u003eConsult vehicle-specific guidance to confirm fit for your model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What vehicles does this kit fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Direct replacement for TH400, TH375, TH475 and 3L80E transmissions from 1964 onward.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Contains 1 housing O-ring, 1 speedometer shaft seal, and 1 shaft seal retainer.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Jetuplusllc","offers":[{"title":"Default Title","offer_id":42465293238357,"sku":"B0CFQRW4H6","price":27.01,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/jetuplusllc-speedo-leak-stop-seal-kit-assembly.jpg?v=1778003159","url":"https:\/\/plentytorque.co.uk\/products\/jetuplusllc-speedo-leak-stop-seal-kit-for-th400-th375-th475-3l80e-transmissions","provider":"PlentyTorque","version":"1.0","type":"link"}