This Nissan Transmission Control Module Unit is a direct replacement for your 2016-2018 Nissan Altima. The module is made of aluminum and plastic materials, and it features a female connector type with pin terminals. The snap-on mounting style makes it easy to install without any programming required. The item comes with software and is compatible with analog input and logic output. It has flash memory and a maximum amperage of OEM. This module is not a performance part and requires no protection lock. The package includes one OEM-sized item with terminal quantity, item width, item height, and item length of OEM specifications. No Hardware included Please note that items are used and will show minor signs of wear. Warranty Notes:We offer a 30 day guarantee on all parts unless stated otherwise.No warranty for commercial use, racing, marine or other heavy use.Warranty does not include loss of time, labor, improper installation, overheating, abuse, neglect, tow charges, fluids, gaskets, bolts, rentals, diagnosis and other incurred charges.Items that have tamper evident stickers they must be present and intact for warranty or refund.Some items will have tooling marks and must be present for refund or warranty.We also will not warranty parts that have received attempted repairs without contacting us first. Shipping:We offer free shipping to the lower 48 statesPlease message us about shipping to Alaska, Hawaii, & Puerto RicoWe ship through FedEx, UPS, & USPS with tracking & insuranceWe ship items Monday, Wednesday, & FridayOrder received by 12pm EST, item ships same dayReturns:We take all issues with parts seriously and respectfully.All returns are accepted up to 14 days after date of delivery for cash refund.Original shipping charges and return shipping charges are not refunded.If a part fails in the guarantee period, the part will be exchanged or refunded at our option.Upon purchaser error the restock fee will apply and will void the e-bay buy back guarantee.All returns have a 20% restocking fee.Customer pays return shipping.All returns need to arrive in same condition sent or no refund issued.You need to have a return authorization by contacting us before you return the item. No return on electrical items.