The transfer case is the heart of your 4 wheel drive/all wheel drive vehicle. It connects to the rear of your transmission and transmits the power to the front & rear axles. Over time this fluid will break down and is also very prone to moisture. Changing this fluid will ensure proper lubrication of all internal parts.
Magnaflow Stainless Steel Performance Exhaust Systems for the New Jeep Wrangler 2007-2011 Jeep Wrangler Unlimited 4 Door