- Fabrication Number
- EAT-MS-002
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Shop 9 transfer case from leading manufacturers. Compare prices, check vehicle compatibility, and get free delivery on orders over £50.
OEM & aftermarket transfer case from top brands — compare prices, check fitment, order with free delivery
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Commonly searched OE numbers fitting Transfer Case from the TecDoc catalogue.
The transfer case is a gearbox fitted to four-wheel-drive and all-wheel-drive vehicles that distributes power between the front and rear axles. It may offer selectable 2H, 4H, and 4L drive modes or operate fully automatically without driver input. The transfer case contains a chain or gear drive, clutch packs, and a differential (in full-time AWD systems). Failure symptoms include noise in 4WD operation, difficulty engaging or disengaging four-wheel drive, and fluid leaks. At CarParts247 we stock transfer case components, seals, and fluid for popular 4WD and AWD vehicles.
Transfer case problems manifest differently depending on whether the system is part-time selectable or permanent AWD.
Many 4WD problems are caused by contaminated or low transfer case oil. A fluid change is the lowest-cost first step before investigating mechanical failure.
It splits engine power between front and rear axles in 4WD and AWD vehicles. Selectable transfer cases also offer a low-range reduction gear for off-road use.
Not always. Transfer cases may require ATF, specific gear oil grades, or a proprietary fluid. Using the wrong fluid causes premature wear of clutch packs and chain drives. Check the manufacturer's specification.
The transfer case drive chain stretches with wear, causing slapping or rattling noise in 4WD operation. Low or contaminated fluid accelerates chain wear. A worn chain requires gearbox removal and unit strip-down to replace.
In selectable systems, engage 4H on a low-traction surface (gravel, grass) and feel for increased traction. On snow or gravel, both front and rear wheels should be driven. An electronic selector will display the mode on the dashboard.
Yes. A seized or damaged transfer case output shaft can impose shock loads on the gearbox output. Fluid cross-contamination between the gearbox and transfer case can also occur on connected units, damaging both.
Common original equipment numbers linked to replacement-part pages.