{"product_id":"red-line-50204-sae-75w80-api-gl-4-mtl-gear-oil-for-manual-transmissions-1-quart-12-pack","title":"Red Line 50204 SAE 75W80 API GL-4 MTL Gear Oil for Manual Transmissions – 1 Quart (12 Pack)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRed Line 50204 SAE 75W80 GL-4 MTL Gear Oil is a synthetic blend designed for manual transmissions and transaxles. It supports GL-1, GL-3, and GL-4 service and is formulated to balance friction for smoother engagement, with a focus on reliable performance in varied driving conditions. The 75W80 viscosity helps maintain a protective film during cold starts and a stable lubricant film at higher RPMs, contributing to consistent gear feel across temperatures.\u003c\/p\u003e\u003cp\u003eDesigned for transmissions that rely on precise synchronization, this oil aims to provide reliable protection and consistent performance across a broad range of vehicles. The formulation targets resistance to wear under a range of loads while maintaining flow characteristics that help when gears mesh and engage.\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eQuicker shifts with balanced friction control that supports most synchronizers.\u003c\/li\u003e\n\u003cli\u003eSafe for brass synchros thanks to reduced reactive components compared with many GL-5 oils.\u003c\/li\u003e\n\u003cli\u003eGL-4 compatibility covers a wide family of transmissions including popular models from BMW, Honda\/Acura, Ford Focus, Mini, Land Rover, Mitsubishi, Dodge, and Jeep NV series.\u003c\/li\u003e\n\u003cli\u003eEach bottle is 1 quart and sold in a 12-pack, designed for convenient maintenance planning.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world use\u003c\/h3\u003e\u003cp\u003eIn daily driving and routine servicing, users report a crisp, positive feel when selecting gears, with consistent shift cadence across temperature ranges and less effort required to engage gear.\u003c\/p\u003e\u003cp\u003eWhether you are refreshing a high-mileage manual, upgrading to a more balanced friction oil, or stocking parts for a shop, Red Line 50204 offers a practical option for selective GL-4 applications. The product is built with Red Line’s long-standing emphasis on performance without compromising reliability.\u003c\/p\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDrain old lubricant from the transmission and inspect the drain plug and seals.\u003c\/li\u003e\n\u003cli\u003eFill through the proper fill plug until it reaches the specified level, then reinstall torqued to spec.\u003c\/li\u003e\n\u003cli\u003ePerform a short road test to confirm gear engagement and check for leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhy Red Line? Since 1979, Red Line products aim to perform and protect with no compromises. This gear oil emphasizes practical, field-proven performance rather than promises of guaranteed outcomes.\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: Is Red Line 50204 compatible with GL-4 manual transmissions?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Recommended for GL-1, GL-3, and GL-4; suitable where GL-4 synchromesh fluids are specified.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What benefits might drivers notice with Red Line 50204?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possible quicker shifts, smoother engagement, and brass synchro safety from balanced friction control; results vary by vehicle.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Red Line","offers":[{"title":"Default Title","offer_id":42395164999765,"sku":"B000T9RLFE","price":283.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/red-line-50204-bottle-label.jpg?v=1775930859","url":"https:\/\/plentytorque.co.uk\/products\/red-line-50204-sae-75w80-api-gl-4-mtl-gear-oil-for-manual-transmissions-1-quart-12-pack","provider":"PlentyTorque","version":"1.0","type":"link"}