NP149 OEM Quality Replacement Transfer Case Remanufactured By Transfer Case World In The USA!! 18-Month Unlimited Mileage Replacement Warranty! Fits 2001-07 4L60E & 4L65E, 27 Spline Input Shaft This NP149 remanufactured transfer case is a direct-fit OEM replacement for select Cadillac, Chevy, and GMC AWD applications equipped with 4L60E or 4L65E transmissions. Featuring a 27-spline input, this unit is fully rebuilt in-house to exceed OEM standards and rigorously tested for quality, durability, and performance. Trusted by professional builders and backed by decades of drivetrain expertise. We must get your core back, a pre-paid core return label will be included.