263XHD Transfer Case Unit For 2001-2007 6.6/8.1L 4WD Chevy/GMC 2500HD 3500HD

Details ****\*Note\*:**** ****Please make sure you need the 263 XHD not the 263 HD before ordering!**** **Specifications:** 263XHD Transfer Case 29 Input Splines 31 Output Splines (Rear) 32 Output Splines (Front) 6.6 Diesel Duramax 8.1 Gas Engine **Bolts Up to Allison Transmissions and ZF6 Manuals** **OE Number** **:** 24228417, 12575648, 12576352, 12579909, 12581004, 12584758 12585237, 12588516, 15005450, 15057935, 15772805, 24228411 24238188, 24238841, 412456, 12573382, 412-540, NP263XHD 263XHD, NP263, NP 263 XHD **Will** **F** **it** **F** **ollowing** **M** **odels** **:** CHEVROLET SILVERADO 2500 2001-2006 CHEVROLET SILVERADO 2500 CLASSIC 2007 CHEVROLET SILVERADO 3500 2001-2006 CHEVROLET 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 ****\*Note\*:**** ****Please make sure you need the 263 XHD not the 263 HD before ordering!**** **Specifications:** 263XHD Transfer Case 29 Input Splines 31 Output Splines (Rear) 32 Output Splines (Front) 6.6 Diesel Duramax 8.1 Gas Engine **Bolts Up to Allison Transmissions and ZF6 Manuals** **OE Number** **:** 24228417, 12575648, 12576352, 12579909, 12581004, 12584758 12585237, 12588516, 15005450, 15057935, 15772805, 24228411 24238188, 24238841, 412456, 12573382, 412-540, NP263XHD 263XHD, NP263, NP 263 XHD **Will** **F** **it** **F** **ollowing** **M** **odels** **:** CHEVROLET SILVERADO 2500 2001-2006 CHEVROLET SILVERADO 2500 CLASSIC 2007 CHEVROLET SILVERADO 3500 2001-2006 CHEVROLET 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 Oct 19, 2025 at 18:38:08 PDT, seller added the following information: 

• Brand: OE QUALITY
• Type: Transfer Case
• Manufacturer Part Number: 24228417, 12575648, 12576352, 12579909, 12581004, 12584758, 12585237, 12588516, 15005450, 15057935, 15772805, 24228411, 24238188, 24238841, 412456, 12573382, 412-540, NP263XHD, 263XHD, NP263, NP 263 XHD
• OE/OEM Part Number: 24228417, 12575648, 12576352, 12579909, 12581004, 12584758, 12585237, 12588516, 15005450, 15057935, 15772805, 24228411, 24238188, 24238841, 412456, 12573382, 412-540, NP263XHD, 263XHD, NP263, NP 263 XHD
• Manufacturer Warranty: 2 Years
• Material: Aluminum
• Interchange Part Number: 24228417, 12575648, 12576352, 12579909, 12581004, 12584758, 12585237, 12588516, 15005450, 15057935, 15772805, 24228411, 24238188, 24238841, 412456, 12573382, 412-540, NP263XHD, 263XHD, NP263, NP 263 XHD
• Surface Finish: Yes
• Placement on Vehicle: Rear
• Superseded Part Number: 24228417, 12575648, 12576352, 12579909, 12581004, 12584758, 12585237, 12588516, 15005450, 15057935, 15772805, 24228411, 24238188, 24238841, 412456, 12573382, 412-540, NP263XHD, 263XHD, NP263, NP 263 XHD
• Note: 29 Input Splines, 31 Output Splines (Rear), 32 Output Splines (Front)
• Features: 29 Input Splines, 31 Output Splines (Rear), 32 Output Splines (Front), 6.6 Diesel Duramax, 8.1 Gas Engine
• Fitment Type: Direct Replacement
• Drive Type: 4WD
• OE Number: 24228417, 12575648, 12576352, 12579909, 12581004, 12584758, 12585237, 12588516, 15005450, 15057935, 15772805, 24228411, 24238188, 24238841, 412456, 12573382, 412-540, NP263XHD, 263XHD, NP263, NP 263 XHD