Part Name：6pcs Fuel InjectorPart Number： 4W7018 0R1745 0R3422 4W-7018 0R-1745 0R-3422Application： Fits for Caterpillar 3406 3406B 3408Product Status: New 180-day warrantyPlease be sure to confirm whether your engine's specific model or the required part number matches this product. If you have any questions about compatibility, you can contact customer service at any time to provide parameters to avoid situations where installation is not possible due to model mismatch.