BW4494 Transfer Cases

Two remanufactured BW4494 transfer cases for the 2006-2010 Hummer are listed in this Transfer Cases category. One is listed for the H3 with the 3.7L and 5.3L (vendor SKU RTC4494G-1); the other covers 2006-2010 Hummer. Both are described as 27 spline input, 32 spline slip yoke style rear output shaft, circular front output yoke, option NR6, 4:1 ratio low range, AWD.

How to identify yours

The difference that matters is the shift motor: it is not included with the RTC4494G-1 listing, and a new shift motor is included with the other. Both list Hollander numbers 412-637 and 412-688; match the tag number on your case.

Core charge and warranty

Remanufactured exchange units, 6-month limited warranty, extended cover available on request for qualifying units at purchase, and a refundable core charge may apply. See the remanufacturing process and warranty pages, or call 216-250-6666.