Used Manual Transmission Assembly fits: 2004 Gmc Sierra 2500 pickup MT 6.0L 4x4

DESCRIPTION **FREE RESIDENTIAL SHIPPING! The engine types may include 6.0L 5967CC 3 64Cu. In. V8 CNG OHV Naturally Aspirated,6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated. This part fits vehicles made in th e following years 2003,2004,2005,2006,2007. WarrantyTerms & ConditionsReturnsShippingAbout us # WARRANTY TERMS ### My Auto Store (MAS) Terms of Sale and Limited Warranty Agreement ### Mechanical Warranty Duration and Terms The duration of the warranty period is indicated on the front of the Invoice. If no warranty information is listed on the front of the invoice the following warranty period applies. Repair ShopsDirect to ConsumerParts YardsExports6 months part only warranty6 months part only warranty90 day part only warrantyNo warranty All warranties begin at the date of purchase (invoice date) not at the date of installation. Warranties are non-transferable and only applies to original purchaser. At its option, MAS will repair, replace or refund the purchase price of the part in the event of a failure. MAS reserves the right to replace failed parts with equal to or greater than original mileage parts. All warranty claims must accompany original invoice. ### Mechanical Warranty Disclaimer and Validation - Engines:are guaranteed against knocking and excessive smoking. Your warranty is voided if engines heat tab is melted or removed. Engine warranties are limited to defects in the block, heads, pistons, crankshafts, camshafts, rockers, and oil pumps. All other parts included are considered accessories or extra parts. While engines may come with additional accessories, these are not covered under any warranty and are included to aid in the convenience of installation. - Transmissions:are warrantied to be in good working order against any slippage or shifting failures. Any accessories such as but not limited to: modulators, governors, electrical controls, linkage, mounts, seals, gaskets or fluids are not covered under warranty. - Differentials:All internal lubricated parts within the drive axle housing are guaranteed in good working condition at the time of purchase. In order for the warranty to be valid, there are standard “Recommended Installation/Replacement Procedures” for Engines, Transmissions, Transfer Cases and Differentials. Failure to provide proof any of these steps were not taken by will void the warranty. Upon installation buyer agrees to follow vehicles regular maintenance as recommended by manufacturer and may be required to provide proof of such activities in the event of a warranty claim. ### RECOMMENDED INSTALLATION/REPLACEMENT PROCEDURES ENGINES - Scan, record and clear all codes before removing original unit - Drain and replace engine oils to manufacture suggested levels - Replace oil, air and fuel filters - Replace valve cover gaskets - Replace oil pan gasket and rear main seal - If needed, replace timing gears, chains or belts & gaskets - Replace thermostat & gasket - Flush cooling system & re-fill to proper level - Install new spark plugs & wires - Install new belts and hoses TRANSMISSIONS/TRANSFER CASES - Scan, record and clear all codes before removing the original unit - Replace all seals - Install new filter kit - Flush and inspect cooling lines - Align and engage torque converter into front pump - Fill transmission with manufacturer specified fluid - Adjust throttle position sensor cable - Late model transmissions must be programmed, failure to do so will cause transmission damage DIFFERENTIALS - The following parts including, but not limited to, are not covered under warranty: backing plates, all brake system components, cables, controls, linkages, pumps, u-joints, electrical components, seals, gaskets, fluids. These additional parts are considered extra and are the installer’s responsibility to install or replace. ### NO WARRANTY, NO REFUND, NO EXCHANGE – ITEMS SOLD “AS IS” AIRBAGS - Airbags are not tested to meet any safety standards - Airbags must be installed in accordance with vehicle manufacturer’s specifications - Buyer accepts all risk of damages/injuries if not installed properly - I certify this airbag is not subject to recall and will be shipped in accordance with hazmat shipping requirements. TIRES - Due to many varied and different conditions to which used tires may have previously been exposed, MAS makes absolutely NO warranty, expressed or implied, as to the fitness for a general or particular purpose or of merchantability in connection with any sale of used tires. ALL USED TIRES ARE SOLD “AS IS”. Used tires are not tested or labeled by MAS to meet any safety standards. The purchaser of used tires from MAS agrees to accept all risks relating to the use of such used tires. COMPUTERS/MODULES & ELECTRICAL PARTS - All computers modules including ECM’s, BCM’s, Power Control Modules, and electrical parts are sold as-is and are non-returnable and non-refundable. The parts stated do not come with any warranty unless otherwise stated on this receipt. - Often times computers need to be reprogrammed which is to be performed at buyers expense SHEET METAL - Cosmetic or surface corrosion resulting from chips, scratches, or other causes; corrosion perforation caused by improper installation, neglect, accident, abuse, or any event not considered normal use to your vehicle; damage from the environment, including weather, hail damage, airborne fallout (chemicals, acid rain, etc.), cleaning solvents and/or polishing materials. In general if part is accepted and installed on the vehicle ### OTHER TERMS AND CONIDTIONS - All other parts not listed above are sold “AS-IS” unless a warranty is specifically listed on the front of the invoice - Warranties do not cover any labor costs - Returnable parts are subject to acceptance and discretion of MAS and must be in the same condition as when sold. Any accepted part returned must be accompanied by the original sales receipt and will be subject to a 25% restocking fee. MAS is not responsible for buyer error. - Shipping and Handling charges are non refundable unless otherwise stated - All implied warranties, including warranties of merchantability or fitness for a particular purpose, are limited to the duration of this warranty and do not cover incidental or consequential damages. Some states do not allow limitations on how long an implied warranty lasts or the exclusion of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. - The purchaser hereby understands that due to the nature of used auto parts, any liability of MAS from all causes shall be limited to the price paid for the goods sold or provided. If a part sold by MAS is defective, liability shall be limited to the replacement of the part or a remedy not to exceed the price paid for the part, at MAS’s option. MyAutoStore is offered to you conditioned on your acceptance without modification of the terms, conditions, and notices contained herein. These terms of use are intended to be read in conjunction with our Privacy Policy. Please read these terms of use carefully before you start to use the site. By using our site, you indicate that you accept these terms of use and that you agree to abide by them. If you do not agree to these terms of use, please refrain from using our site. All rights reserved. You may not, except with our express written permission, distribute or commercially exploit the content. Nor may you transmit it or store it in any other website or other form of electronic retrieval system. Any unauthorized redistribution or reproduction of any part or all of the contents in any form is prohibited other than the following: You may print or download to a local hard disk extracts for your personal and non-commercial use only; or You may copy the content to individual third parties for their personal use, but only if you acknowledge the website as the source of the material. Pursuant to Title 17, United States Code, Section 512(c)(2), notifications of claimed copyright infringement under United States copyright law should be contacted to us. Neither we, nor our affiliates or agents, can be held responsible by you for the accuracy of such information. It is solely your responsibility to evaluate the accuracy, completeness and usefulness of all information provided on this website. ## Disclaimers All information, products, services and related graphics are provided on an “as is” and “as available” basis without representations or warranties of any kind either express or implied, except for product-specific representations or warranties provided to you at the time of purchase. Any information, parts or services obtained from this site in any manner whatsoever are done so at your own risk. You hereby agree to fully indemnify and hold us harmless from any and all liability that may arise as a result of any transaction occurring because of your use of this site. This includes, but is not limited to, any liability, or cause of action, which results from our negligence, gross negligence or recklessness. You should consult an appropriate professional for specific advice tailored to your situation. Additionally, this liability waiver and indemnity paragraph contains and limits any liability of ours arising from any strict liability or intentional tort we cause, either proximately or otherwise, to anyone. Because some states/jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages, the above limitation may not apply to you. If any part of this agreement is determined to be invalid or unenforceable pursuant to applicable law including, but not limited to, the warranty disclaimers and liability limitations set forth above, then the invalid or unenforceable provision will be deemed superseded by a valid, enforceable provision that most closely matches the intent of the original provision and the remainder of the agreement shall continue in effect. A printed version of this agreement and of any notice given in electronic form shall be admissible in judicial or administrative proceedings based upon or relating to this agreement to the same extent and subject to the same conditions as other business documents and records originally generated and maintained in printed form. It is the express wish to the parties that this agreement and all related documents are drawn up in English. ## Variations We may revise these terms of use at any time by amending this page. You are expected to check this page from time to time to take notice of any changes we made, as they are binding on you. ## Trademarks The names of actual companies and products mentioned herein may be the trademarks of their respective owners. The example companies, organizations, products, people and events depicted herein are fictitious. No association with any real company, organization, product, person, or event is intended or should be inferred. Any rights not expressly granted herein are reserved. **RECOMMENDED INSTALLATION/REPLACEMENT PROCEDURES** **ENGINES** 1\. Scan, record and clear all codes before removing original unit. 2\. Drain and replace engine oils to manufacture suggested levels. 3\. Replace oil, air and fuel filters. 4\. Replace valve cover gaskets. 5\. Replace oil pan gasket and rear main seal. 6\. If needed, replace timing gears, chains or belts & gaskets. 7\. Replace thermostat & gasket. 8\. Flush cooling system & re-fill to proper level. 9\. Install new spark plugs & wires. 10\. Install new belts and hoses. **TRANSMISSIONS/TRANSFER CASES** 1\. Scan, record and clear all codes before removing the original unit. 2\. Replace all seals. 3\. Install new filter kit. 4\. Flush and inspect cooling lines. 5\. Align and engage torque converter into front pump. 6\. Fill transmission with manufacturer specified fluid. 7\. Adjust throttle position sensor cable. 8.Late model transmissions must be programmed, failure to do so will cause transmission damage. **DIFFERENTIALS** 1\. The following parts including, but not limited to, are not covered under warranty: backing plates, all brake system components, cables, controls, linkages, pumps, u-joints, electrical components, seals, gaskets, fluids. These additional parts are considered extra and are the installer’s responsibility to install or replace. ## OTHER TERMS AND CONIDTIONS All other parts not listed above are sold “AS-IS” unless a warranty is specifically listed on the front of the invoice. Warranties do not cover any labor costs. Returnable parts are subject to acceptance and discretion of MAS and must be in the same condition as when sold. Any accepted part returned must be accompanied by the original sales receipt and will be subject to a 25% restocking fee. MAS is not responsible for buyer error. Shipping and Handling charges are non refundable unless otherwise stated. All implied warranties, including warranties of merchantability or fitness for a particular purpose, are limited to the duration of this warranty and do not cover incidental or consequential damages. Some states do not allow limitations on how long an implied warranty lasts or the exclusion of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. The purchaser hereby understands that due to the nature of used auto parts, any liability of MAS from all causes shall be limited to the price paid for the goods sold or provided. If a part sold by MAS is defective, liability shall be limited to the replacement of the part or a remedy not to exceed the price paid for the part, at MAS’s option. # Return Terms & Conditions - Customers must initiate a return within 30 days of receiving the item. - The item must be returned in its original packaging and condition. - The buyer is responsible for return shipping costs. - Refunds will be processed promptly upon receipt and inspection of the returned item, excluding any incurred shipping charges. **Money Back Guarantee:** - A refund will be issued upon the safe return of the item, excluding labor costs. **Warranty Information:** - Please review the listing for specific warranty details. - Some items include a warranty clearly stated in the listing. - Items marked "Sold AS-IS" are final sale with no warranty. **Parts Covered by Warranty:** - We offer a full refund for parts that fail due to defective materials or incorrect fitment (provided correct vehicle details were provided). - Labor costs are not refundable. - For assistance, please provide a digital picture and your vehicle's VIN number. **Items NOT Covered by Warranty:** - Non-defective parts returned are subject to a 20% restocking fee. - Shipping costs are non-refundable, and the buyer covers return shipping. **Exclusions:** - Items such as airbags, seat belts, and tires are sold "AS IS." **Freight Forwarders:** - Using freight forwarders voids all warranties. - We ship only to the provided address within the US. # SHIPPING Terms & Conditions **_LTL Freight Delivery_**(Shipping cost included in price listed unless otherwise stated). **Commercial Business Address:** - A valid business name and phone number are required. Failure to provide these details will delay your order. **Residential Address:** - Curbside delivery only. - An adult over 18 must be present for delivery. - A daytime phone number is required to schedule the delivery. - Ensure your voicemail box is set up to receive messages. **Small Item Delivery via FedEx:** - Small items will be shipped via FedEx Home Delivery Service. - Once a tracking number is created, delivery typically takes 3-5 business days. **Shipping Restrictions:** - Cannot ship to APO/FPO military addresses or P.O. Boxes. **Customer Pickup (Free):** - Customers may pick up this item at the specified location in this listing. - Sales tax may apply. - At checkout, provide a daytime phone number. - Present our authorized Proof of Purchase email at the time of pickup. This Proof of Purchase will be emailed within 2 business days of full payment. Items will not be released without it. - Items picked up at the local warehouse are not prepared for shipment and do not include packaging. If packaging is needed, please contact us to arrange this service for an additional handling/packaging charge based on the item's size and weight. **No Weekend Pickups.** # My Auto Store My Auto Store is one of the largest auto recyclers and used auto part stores on the East Coast with more than 100,000 used car parts in stock. Our Facilities, Our Process, Our Products, & Our People is what helps make us the best source for finding used auto parts. ## Our Facilities Our state-of-the-art automotive disassembly plant in Camden, New Jersey has the capacity to dismantle 7000+ vehicles each month. We are one of the country’s largest automobile recyclers & your go-to source for used auto parts. My Auto Store has almost any year, any make, & any model you need. We take pride in being involved in every step of the process & being able to ship used auto parts to our customer’s doors nationwide. ## Our Products We purchase more than 7,000 cars and trucks each & every month. Each donor vehicle’s used parts are individually inspected & tested at multiple levels to make sure they meet the highest industry quality standards before being placed in our auto parts inventory. After the car is fully dismantled, only the best OEM parts are placed in our auto part store and the rest of the vehicle is properly recycled. Before being shipped or scheduled for local pickup, these used auto parts are quality tested one last time before being loaded on one of our trucks for a timely delivery or sent to one of our pickup locations. ## In Summary My Auto Store is involved in the whole process: from vehicle acquisition to extracting used auto parts for sale in our online auto parts store. We strive to operate an environmentally friendly business that always delivers to customers in a timely manner. Our ultimate goal is to revolutionize the way people buy recycled auto parts by making it a safe & easy online experience rather than going to your local junkyard. That is the My Auto Store Difference! Portions of the part information on this page have been provided by WHI Solutions, © Copyright 2025 My Auto Store. All Rights Reserved.

• Manufacturer Warranty: 6 Month
• Quantity: 1
• SKU: NJ25-23988-613253
• Genuine OEM: Yes
• Seller Notes: 4WD PROD DATE: 2004-01-01
• Mileage: 285000
• Model: SIERRA 2500 PICKUP
• Make: GMC
• Interchange Item Code: 400
• Color: SILVER
• VIN: 1GTHK23U04F221933
• Reference OE/OEM: 12572800,DFZ
• Number of pieces: 1
• Placement: UNKNOWN
• Year: 2004
• Stock number: 23988
• Brand: GMC
• Manufacturer Part Number: 12572800,DFZ
• Tag number: 0000371081
• Type: Manual Transmission Assembly