{"product_id":"vgoohobby-blue-aluminum-differential-carrier-case-for-traxxas-1-10-rc-cars-part-3978-5381","title":"Vgoohobby Blue Aluminum Differential Carrier Case for Traxxas 1\/10 RC Cars (Part #3978\/5381)","description":"\u003cp\u003eThe Vgoohobby aluminum differential carrier is a direct replacement upgrade for multiple Traxxas 1\/10 scale RC vehicles, including the Slash 4X4, Rustler 4X4, Stampede 4X4, T-Maxx, Slayer Pro 4X4, and X0-1. Made from CNC-machined aluminum alloy, this diff case is designed to handle the demands of bashing and racing. It replaces factory part numbers 3978 and 5381, and comes with a screws set for installation. Weighing just 13 grams, it adds strength without significant weight.\u003c\/p\u003e\n\n\u003ch2\u003eCompatibility and Fitment\u003c\/h2\u003e\n\u003cp\u003eThis differential case fits a wide range of Traxxas 1\/10 models: X0-1, Revo, Rustler 4X4 (VXL), Slash 4X4, Slayer Pro 4X4, Stampede 4X4 (unassembled and VXL), and T-Maxx. It's a drop-in replacement for the stock plastic or worn metal units. The precise CNC machining ensures a snug fit against the bulkhead and driveshafts, reducing slop and improving drivetrain efficiency.\u003c\/p\u003e\n\n\u003ch2\u003eMaterial and Construction\u003c\/h2\u003e\n\u003cp\u003eThe housing is cut from 6061 aluminum alloy, then anodized blue for corrosion resistance and a clean look. CNC machining guarantees flat sealing surfaces and accurate bearing bores. The aluminum construction dissipates heat better than plastic, helping keep differential fluid temperatures down during hard runs.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cp\u003eEach purchase contains one differential carrier and a set of mounting screws. The screws are sized to match the factory thread patterns, so no extra hardware is needed. The carrier itself is pre-finished in blue (or black if selected). Note: differential internal gears, bearings, and fluid are not included — this is the casing only.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy (6061)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing\u003c\/td\u003e\n\u003ctd\u003eCNC Machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlue (Black optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e13 grams (0.46 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement Part #\u003c\/td\u003e\n\u003ctd\u003e3978 \/ 5381\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions\u003c\/td\u003e\n\u003ctd\u003e2.4 x 2.4 x 0.7 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eItem Weight (package)\u003c\/td\u003e\n\u003ctd\u003e0.634 ounces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eXZ459B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eVgoohobby\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhich Traxxas models use this diff case?\u003c\/h2\u003e\n\u003cp\u003eCompatible models: Traxxas X0-1, Revo (including 3.3), Rustler 4X4 (VXL), Slash 4X4, Slayer Pro 4X4, Stampede 4X4 (unassembled and VXL), and T-Maxx (1\/10 scale). Always confirm your specific model's differential part number — this case replaces Traxxas parts 3978 and 5381.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDoes this come with differential gears?\u003c\/h3\u003e\n\u003cp\u003eNo. This is only the outer carrier (housing). You must reuse or purchase the internal gear set, bearings, and fluid separately.\u003c\/p\u003e\n\u003ch3\u003eWhat color options are available?\u003c\/h3\u003e\n\u003cp\u003eBlue and black. The listing shows the blue version; select black if preferred. Both are anodized aluminum.\u003c\/p\u003e\n\u003ch3\u003eHow much does it weigh?\u003c\/h3\u003e\n\u003cp\u003eThe carrier itself weighs 13 grams (0.46 oz). The packaged weight including screws and box is 0.634 ounces.\u003c\/p\u003e\n\u003ch3\u003eIs it a direct fit on a Slash 4x4?\u003c\/h3\u003e\n\u003cp\u003eYes, it is designed as a direct replacement for the factory differential carrier on the Slash 4x4. Installation requires basic disassembly of the rear or front diff assembly.\u003c\/p\u003e","brand":"Vgoohobby","offers":[{"title":"Default Title","offer_id":58076892528943,"sku":null,"price":25.69,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/4478\/7503\/files\/vgoohobby-blue-aluminum-differential-carrier-case-for-traxxas-110-rc-cars-part-39785381-1.jpg?v=1781567749","url":"https:\/\/toysforkid.co.uk\/products\/vgoohobby-blue-aluminum-differential-carrier-case-for-traxxas-1-10-rc-cars-part-3978-5381","provider":"Toys For Kid","version":"1.0","type":"link"}