BW4485 Rebuilt Transfer Case (NR3) 07-14 | Fits Cadillac Escalade & GMC Denali

This BW4485 remanufactured transfer case for sale is a direct replacement unit which fits 2007-2014 Cadillac Escalade and GMC Yukon Denali AWD models, along with select Chevrolet Silverado 1500, GMC Sierra 1500, Tahoe, Suburban 1500, Avalanche, Yukon, and Yukon XL trucks equipped with RPO code NR3. Built by BorgWarner as a single-speed, chain-driven, full-time all-wheel drive transfer case, the BW4485 is paired with the 6L80 six-speed automatic transmission and features a 32-spline input shaft, making it the correct factory-spec replacement for the 6.2L Vortec-powered GMT900 platform luxury SUVs and trucks. Best of all, no core is required, your 18 month unlimited mileage warranty is active the moment your unit arrives, with no return shipping, no missing core fees, and no hassle. Each BW4485 unit is fully rebuilt with upgraded internal components to improve durability, lifespan, and overall performance. Most importantly our precision remanufacturing process for the BW 4485 is designed to eliminate all common failure points found in the original factory unit such as the “clunk” noise and chain stretch issues that plague high-mileage 4485’s. In addition every transfer case is spin-tested to OEM standards before it leaves our shop. We are the most affordable, fully rebuilt option in the United States, offering exceptional quality at the best value with absolutely no compromises! This unit is currently on sale, making now the perfect time to replace your worn out OEM unit! About This Unit The BW 4485, or referred to as the NR3 transfer case after its GM RPO code, was introduced by Borg Warner in 2007 as the OEM full-time AWD transfer case for the GMT900 platform Cadillac Escalade, GMC Yukon Denali, and select Chevrolet, GMC, and Cadillac full-size trucks and SUVs. It is a single-speed, chain-driven, all-wheel drive unit with magnesium case halves, a 32-spline input shaft, and a 32-spline slip-yoke rear output. The BW4485 mates exclusively to the 6L80 six-speed automatic transmission and uses an external planetary differential to deliver a 40/60 front-to-rear torque split, working in tandem with GM’s brake-based VSES (Vehicle Stability Enhancement System) for traction control. The Borg Warner 4485 is the direct successor to the BW4481 used in the prior 2003-2006 GMT800 platform, and represents a more modern design built around the higher-output 6.2L Vortec V8 and the new 6L80 transmission. While the unit is generally a robust design, owners of high-mileage Escalades, Denalis, and full-size GM trucks know it for the well-documented “clunk” noise, a stretched internal drive chain that develops play over time, most noticeable when shifting from Park to Drive or during initial acceleration. Our remanufactured unit specifically resolves this by installing a brand new chain, new bearings, and new bushings throughout, giving you a unit that drives like a new factory case rather than a worn-out OEM. Buyers should confirm their RPO code is NR3 before ordering, as the same generation of GM full-size trucks offered an alternate two-speed 4WD transfer case (RPO codes NQF or NQH) which is not interchangeable with the BW4485. Need the 2003-2006 version of this transfer case? We also carry the BW4481 for prior-generation Escalade, Denali, and Yukon AWD applications with the 4L60E or 4L65E transmission.