{"product_id":"proform-th400-transmission-locking-dipstick-tube-direct-fit-replacement-with-locking-cap","title":"ProForm TH400 Transmission Locking Dipstick \u0026 Tube — Direct-Fit Replacement with Locking Cap","description":"\u003cp\u003e\u003cstrong\u003eThe ProForm 66182 TH400 Locking Dipstick and Tube is a vehicle-specific transmission dipstick assembly engineered to secure, measure, and simplify fluid checks on TH400-equipped vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for gearboxes that use the Turbo-Hydramatic 400 (TH400) family, this ProForm dipstick and tube set replaces factory units with a locking cap to prevent leaks and contamination. The kit is a direct-fit, vehicle-specific auto accessory that helps you get accurate fluid readings while keeping the transmission fill area sealed during driving. Built for durability and everyday shop use, it is sold under part number 66182 (037995661824) and ships in a compact package sized 28.5 x 6.5 x 2.5 inches.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the locking feature improve regular transmission maintenance?\u003c\/h3\u003e\n\u003cp\u003eThe locking cap prevents the dipstick from backing out under vibration and keeps road grime and moisture from entering the transmission. That reduces the chance of false readings and helps preserve fluid cleanliness between checks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePositive lock mechanism keeps dipstick seated while driving\u003c\/li\u003e\n  \u003cli\u003eSeals out dirt and water to protect fluid integrity\u003c\/li\u003e\n  \u003cli\u003eStable placement gives repeatable fluid level readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this dipstick easy to install on TH400 transmissions?\u003c\/h3\u003e\n\u003cp\u003eYes — the ProForm 66182 is made for vehicle-specific replacement, so installation is straightforward for anyone familiar with transmission servicing. It mounts in the original tube location and uses common fasteners, making it suitable for DIYers and professional shops alike.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit design for TH400 applications\u003c\/li\u003e\n  \u003cli\u003eNo custom bending or cutting required for proper alignment\u003c\/li\u003e\n  \u003cli\u003eClear markings simplify fluid level checks after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and packaging details should I expect?\u003c\/h3\u003e\n\u003cp\u003eThe assembly comes packaged to protect its finish and fittings, and is constructed to withstand under-hood conditions. Though compact, the package contains the complete dipstick and tube assembly and ships with the weight and dimensions specified for secure transport.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage weight roughly 15.345 pounds for safe handling\u003c\/li\u003e\n  \u003cli\u003eShipping dimensions: 28.5 x 6.5 x 2.5 inches\u003c\/li\u003e\n  \u003cli\u003eDurable construction designed for engine bay exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this part work with my vehicle model?\u003c\/h3\u003e\n\u003cp\u003eProForm markets this item as a vehicle-specific fit for transmissions in the TH400 family; confirm compatibility by cross-referencing your vehicle’s transmission type and the part number 66182 (037995661824). If your car or truck uses the TH400 transmission, this dipstick set is intended as a direct replacement option.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck that your vehicle is equipped with a TH400 transmission\u003c\/li\u003e\n  \u003cli\u003eConfirm part number 66182 \/ 037995661824 before ordering\u003c\/li\u003e\n  \u003cli\u003eContact ProForm or consult fitment guides for model-year specifics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ProForm 66182 locking dipstick and tube is aimed at mechanics, restorers, and vehicle owners who maintain cars or trucks with the TH400 transmission and want a secure, repeatable way to check fluid level. It suits professionals seeking a reliable replacement part and DIY enthusiasts doing transmission service, especially when preventing contamination and ensuring correct fluid readings matters.\u003c\/p\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: Does the ProForm 66182 fit all TH400 transmissions?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It’s intended for TH400-family transmissions, but verify fit by matching part number 66182 (037995661824) with your vehicle’s specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this dipstick myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes; installation is straightforward for those comfortable with basic transmission service and uses the original tube location and mounting points.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ProForm","offers":[{"title":"Default Title","offer_id":48082977783966,"sku":"B00C7PTO4Y","price":60.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/proform-66182-front-assembly.jpg?v=1785821452","url":"https:\/\/northtrailauto.ca\/products\/proform-th400-transmission-locking-dipstick-tube-direct-fit-replacement-with-locking-cap","provider":"North Trail Auto","version":"1.0","type":"link"}