Aluminum Transfer Case NP263HD for GMC Sierra 2500 3500 HD 6.0L 01-07 24228407

Details **Specifications:** Input Shaft (Internal Spline): 32 Front Output: 32 (Internal Spline, one tooth missing) Rear Output (External Spline): 32 Transmission Type: 4L80E Transmission **OE Number** **:** 263HD / 412-585 / 412-504 / RTC263GHD2 24228407, 12584757, 12584759, 12585236, 12585238 12588104, 12588515, 12588521, 15005449, 15047934 15057934, 12575647, 24228416, 24228436, 24238187 24238193, 24238840, 24238846, 412455, 412504, 412585 412602, 412609, 12576351, 12576370, 12579582, 12579708 12579908, 12579915, 12581003, 12581010 **Will** **F** **it** **F** **ollowing** **M** **odels** **:** **This is for the Electric Shift model.** **Fits 2001-2007 GM Trucks with RPO code NP1. (32 spline input shaft)** **Electric Shift model:** **Trucks with electronic (push button or knob on the dash) shift selection, 3 Position Dash Switch.** Chevy Silverado 2500 HD 2001-2006 Chevy Silverado 2500 CLASSIC 2007 Chevy Silverado 3500 HD 2001-2006 Chevy Silverado 3500 CLASSIC 2007 GMC Sierra 2500 HD 2001-2006 GMC Sierra 2500 CLASSIC 2007 GMC Sierra 3500 HD 2001-2006 GMC Sierra 3500 CLASSIC 2007 Note: Please compare your item carefully with photo and OE Number to avoid mistake!!! - Shipping Policy - Payment Method - Returns Policy Shipping Policy We only ship the item to PayPal verified shipping address. Please make sure your shipping address is the same as PayPal, no changes are allowed once the order is shipped. All USA location orders will be shipped out via USPS or UPS or Fedex with a tracking number.  We do not ship to P.O. Boxes, APO/FPO or Military Mail Box. We do not cover any import Duty and Tax. Customer should be responsible for the Import tax. Contact us , we will try our best to help minimize it. HK/TW buyer please notice us your government ID #. BRA,AR,PER buyer leave us your CPF#,CUIT#,RUC# correspondingly. Paypal allows to pay by Credit Card, Direct Debit, VISA, eCheck, or other methods, please kindly check Paypal for more information. Returns Policy Please kindly contact us before return, our representatives will send you detail return instruction. The guarantee will be only for the cost of the item, we will not responsible for installation or other fees like labor expenses, towing expenses, additional repair expenses or other related expenses. Details **Specifications:** Input Shaft (Internal Spline): 32 Front Output: 32 (Internal Spline, one tooth missing) Rear Output (External Spline): 32 Transmission Type: 4L80E Transmission **OE Number** **:** 263HD / 412-585 / 412-504 / RTC263GHD2 24228407, 12584757, 12584759, 12585236, 12585238 12588104, 12588515, 12588521, 15005449, 15047934 15057934, 12575647, 24228416, 24228436, 24238187 24238193, 24238840, 24238846, 412455, 412504, 412585 412602, 412609, 12576351, 12576370, 12579582, 12579708 12579908, 12579915, 12581003, 12581010 **Will** **F** **it** **F** **ollowing** **M** **odels** **:** **This is for the Electric Shift model.** **Fits 2001-2007 GM Trucks with RPO code NP1. (32 spline input shaft)** **Electric Shift model:** **Trucks with electronic (push button or knob on the dash) shift selection, 3 Position Dash Switch.** Chevy Silverado 2500 HD 2001-2006 Chevy Silverado 2500 CLASSIC 2007 Chevy Silverado 3500 HD 2001-2006 Chevy Silverado 3500 CLASSIC 2007 GMC Sierra 2500 HD 2001-2006 GMC Sierra 2500 CLASSIC 2007 GMC Sierra 3500 HD 2001-2006 GMC Sierra 3500 CLASSIC 2007 Note: Please compare your item carefully with photo and OE Number to avoid mistake!!! - Shipping Policy - Payment Method - Returns Policy Shipping Policy We only ship the item to PayPal verified shipping address. Please make sure your shipping address is the same as PayPal, no changes are allowed once the order is shipped. All USA orders will be shipped out via USPS, UPS or Fedex with a valid tracking number.  We do not ship to P.O. Boxes, APO/FPO or Military Mail Boxes. We do not cover any import Duty and Tax. Customer should be responsible for the Import tax. Contact us , we will try our best to help on minimizing it. For HK/TW buyers, please notify us your government ID #. For BRA,AR,PER buyers, please leave us your CPF#, CUIT# or RUC# correspondingly. Paypal allows to pay by Credit Card, Direct Debit, VISA, eCheck, or other methods, please kindly check with Paypal for more information. Returns Policy Please kindly contact us before returning your order(s), our representatives will send you the detailed instructions. Our guarantee is only for the cost of the item, we will not be responsible for any other expenses such as installation, labor, towing, repair or any other related expenses. * * * On Sep 2, 2025 at 02:51:19 PDT, seller added the following information: 

• Brand: OE QUALITY
• Type: Transfer Case
• Manufacturer Part Number: 24228407, 263HD
• OE/OEM Part Number: 263HD, 412-585, 412-504, RTC263GHD2, 24228407, 12584757, 12584759, 12585236, 12585238, 12588104, 12588515, 12588521, 15005449, 15047934, 15057934, 12575647, 24228416, 24228436, 24238187, 24238193, 24238840, 24238846, 412455, 412504, 412585, 412602, 412609, 12576351, 12576370, 12579582, 12579708, 12579908, 12579915, 12581003, 12581010
• Manufacturer Warranty: 2 Years
• Interchange Part Number: 263HD, 412-585, 412-504, RTC263GHD2, 24228407, 12584757, 12584759, 12585236, 12585238, 12588104, 12588515, 12588521, 15005449, 15047934, 15057934, 12575647, 24228416, 24228436, 24238187, 24238193, 24238840, 24238846, 412455, 412504, 412585, 412602, 412609, 12576351, 12576370, 12579582, 12579708, 12579908, 12579915, 12581003, 12581010
• Superseded Part Number: 263HD, 412-585, 412-504, RTC263GHD2, 24228407, 12584757, 12584759, 12585236, 12585238, 12588104, 12588515, 12588521, 15005449, 15047934, 15057934, 12575647, 24228416, 24228436, 24238187, 24238193, 24238840, 24238846, 412455, 412504, 412585, 412602, 412609, 12576351, 12576370, 12579582, 12579708, 12579908, 12579915, 12581003, 12581010
• Surface Finish: Yes
• Model: Silverado Sierra 2500 HD, 3500 HD, 2500 Classic, 3500 Classic
• Fitment Type: Direct Replacement
• Compatible Makes: For Chevy, GMC
• Year: 2001-2007
• Drive Type: 4WD
• OE Number: 263HD, 412-585, 412-504, RTC263GHD2, 24228407, 12584757, 12584759, 12585236, 12585238, 12588104, 12588515, 12588521, 15005449, 15047934, 15057934, 12575647, 24228416, 24228436, 24238187, 24238193, 24238840, 24238846, 412455, 412504, 412585, 412602, 412609, 12576351, 12576370, 12579582, 12579708, 12579908, 12579915, 12581003, 12581010
• Transmission Type: 4L80E Transmission
• Input Shaft (Internal Spline): 32
• Front Output: 32 (Internal Spline, one tooth missing)
• Rear Output (External Spline): 32