Founded originally in Brooklyn, in 1900, the company moved its headquarters to Allentown, Pennsylvania five years later, in 1905. The company remained in Allentown from 1905 until 2009. In 2009, the company relocated its headquarters to Greensboro, North Carolina.[3] Mack products are produced in Lower Macungie, Pennsylvania,[4] and Salem, Virginia,[5] with all powertrain products produced in its Hagerstown, Maryland plant. Mack also maintains additional assembly plants in Pennsylvania, Australia, and Venezuela. The company also once maintained plants in Hayward, California and Oakville, Ontario, though both of these have been closed.

Advanced Truck Parts" LLC stands by a 90-day warranty for all heavy truck parts from the delivery date, showing our commitment to quality. Beyond this period, we're still here to assist, albeit outside of warranty coverage. We understand accidents happen, normal wear occurs, and fuel quality varies, and we're ready to discuss solutions. To ensure swift resolution, please provide purchase and service documents. We aim to keep your truck running smoothly and are ready to cover repair costs, send a replacement, or offer a full refund if a part can't be fixed

You have a 14-day window to return heavy truck parts for a full refund, provided they're in new, unused condition with original packaging. Contact us before returning items; we may offer a free return label. We prioritize 100% customer satisfaction and handle returns with a 20% restocking fee. Non-refundable items, like special orders or electronics, require authorization before purchase. Call us toll-free at +1 (877) 795-0656 or email support@advancedtruckparts.com for assistance.