DTA D12303-3S500 Premium Harmonic Balancer Crankshaft Pulley OE Replacement Nissan Frontier Xterra 2.4L Replaces Dorman 594-435 Made to OE quality standards and performance. Fits 2.4L Engine Only Direct fit, ready to install with DTA Premium Harmonic Balancer D12303-3S500 Limited lifetime warranty