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{"id":9085098459373,"title":"NP261 Transfer Case 1999-2007 Silverado Sierra 1500 Floor Shift AT | OEM 12588517","handle":"1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic","description":"\u003ch1 data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eNP261 Transfer Case 1999-2007 Silverado Sierra 1500 Floor Shift AT | OEM 12588517\u003c\/b\u003e\u003c\/h1\u003e\n\u003ch3 data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"4\"\u003eGet your truck back on the road with this heavy-duty, genuine \u003cb data-path-to-node=\"4\" data-index-in-node=\"62\"\u003eNP261 (Option Code NP2)\u003c\/b\u003e Transfer Case. This is the highly reliable \u003cb data-path-to-node=\"4\" data-index-in-node=\"129\"\u003eManual Floor Shift\u003c\/b\u003e version designed specifically for the 1500 series pickups with an Automatic Transmission. Unlike the push-button models, the NP261 features a mechanical engagement system, offering superior durability and fewer electronic failures.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eVehicle Compatibility (1500 Series ONLY)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThis unit is a direct fit for the following models equipped with a \u003cb data-path-to-node=\"6\" data-index-in-node=\"67\"\u003eManual Floor Shifter\u003c\/b\u003e and \u003cb data-path-to-node=\"6\" data-index-in-node=\"92\"\u003eAutomatic Transmission\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003e1999–2006 Chevrolet Silverado 1500\u003c\/b\u003e (Excludes SS models)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003e2007 Chevrolet Silverado 1500 \"Classic\"\u003c\/b\u003e (Old Body Style)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003e1999–2006 GMC Sierra 1500\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003e2007 GMC Sierra 1500 \"Classic\"\u003c\/b\u003e (Old Body Style)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eKey Technical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eOEM Part Number:\u003c\/b\u003e 12588517\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eHollander Interchange:\u003c\/b\u003e 412-00430\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eOption Code (RPO):\u003c\/b\u003e \u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"19\"\u003eNP2\u003c\/b\u003e (Verify this on your glovebox sticker)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eModel:\u003c\/b\u003e New Process NP261\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,4,0\"\u003e\u003cb data-path-to-node=\"9,4,0\" data-index-in-node=\"0\"\u003eInput Spline:\u003c\/b\u003e 27-Spline (Matches 4L60E Transmission)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,5,0\"\u003e\u003cb data-path-to-node=\"9,5,0\" data-index-in-node=\"0\"\u003eShift Type:\u003c\/b\u003e Manual Floor Lever (2-Speed: 2HI, 4HI, Neutral, 4LO)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eWhy Choose Car Parts Direct?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eProfessional Inspection:\u003c\/b\u003e Every unit is bench-tested. We verify that the internal oil pump is seated correctly and that all gear ranges engage smoothly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eHigh Reliability:\u003c\/b\u003e The manual-shift NP261 is the preferred choice for truck owners looking to eliminate common electronic actuator and encoder motor issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eNo Core Charge:\u003c\/b\u003e This is an outright purchase. No need to deal with the hassle and expense of shipping your old core back to us.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eShipping Information\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eFREE SHIPPING:\u003c\/b\u003e Fast delivery within the \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"40\"\u003e48 Continental United States\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eProcessing Time:\u003c\/b\u003e Ships within 1-2 business days.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eCarrier:\u003c\/b\u003e Shipped via heavy-duty ground or freight (4-9 business days).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"0\"\u003eRestrictions:\u003c\/b\u003e We \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"17\"\u003eDO NOT\u003c\/b\u003e ship this item to Canada.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eImportant Installation Note:\u003c\/b\u003e This unit is shipped dry. You must fill it with the manufacturer-recommended fluid (AutoTrak II or Dexron VI depending on your specific year)\u003c\/p\u003e","published_at":"2025-09-01T12:55:45-03:00","created_at":"2025-08-27T20:43:02-03:00","vendor":"Car Parts Direct","type":"Differentials","tags":["1500 pickup","1997-2000","1997-2002","1999","1999 GMC Sierra","1999 OEM","2000","2000 GMC Sierra","2000 OEM","2001","2001 GMC Sierra","2001 OEM","2001-2002","2002","2002 GMC Sierra","2002 OEM","2003","2003 GMC Sierra","2003 OEM","2004 GMC Sierra","2005","2005 GMC Sierra","2005 OEM","2006","2006 GMC Sierra","2006 OEM","automatic","Automatic Dimming","Automatic Dual","Automatic Dual Zone","Chevy Transfer Case","FLOOR","Floor Shift","Floor Shift AT Automatic","floor shifter","GMC Transfer Case","Manual Shift","Pickup","SHIFT","SIERRA Transfer Case","Silverado Transfer Case","Transfer","transfer case","Transfer Case Assembly","Transfer Case AWD","Transfer Case Differential","Transfer Case Single Speed"],"price":34999,"price_min":34999,"price_max":34999,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48602214596845,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"996-CSTFC","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"NP261 Transfer Case 1999-2007 Silverado Sierra 1500 Floor Shift AT | OEM 12588517","public_title":null,"options":["Default Title"],"price":34999,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-8597964.png?v=1770186702","\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-6301959.png?v=1770186702","\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-4060490.png?v=1770186702","\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-1229223.png?v=1756828132","\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-7746443.png?v=1756828132","\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-6787836.png?v=1756828132","\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-6751936.png?v=1756828133"],"featured_image":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-8597964.png?v=1770186702","options":["Title"],"media":[{"alt":"1999 - 2006 Chevy Silverado 1500 Pickup Transfer Case Floor Shift AT Automatic - Car Parts Direct","id":36529232478445,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-8597964.png?v=1770186702"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-8597964.png?v=1770186702","width":1080},{"alt":"1999 - 2006 Chevy Silverado 1500 Pickup Transfer Case Floor Shift AT Automatic - Car Parts Direct","id":36529232511213,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-6301959.png?v=1770186702"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-6301959.png?v=1770186702","width":1080},{"alt":"1999 - 2006 Chevy Silverado 1500 Pickup Transfer Case Floor Shift AT Automatic - Car Parts Direct","id":36529232249069,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-4060490.png?v=1770186702"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-4060490.png?v=1770186702","width":1080},{"alt":"1999 - 2006 Chevy Silverado 1500 Pickup Transfer Case Floor Shift AT Automatic - Car Parts Direct","id":36529232314605,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-1229223.png?v=1756828132"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-1229223.png?v=1756828132","width":1080},{"alt":"1999 - 2006 Chevy Silverado 1500 Pickup Transfer Case Floor Shift AT Automatic - Car Parts Direct","id":36529232347373,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-7746443.png?v=1756828132"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-7746443.png?v=1756828132","width":1080},{"alt":"1999 - 2006 Chevy Silverado 1500 Pickup Transfer Case Floor Shift AT Automatic - Car Parts Direct","id":36529232380141,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-6787836.png?v=1756828132"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-6787836.png?v=1756828132","width":1080},{"alt":"1999 - 2006 Chevy Silverado 1500 Pickup Transfer Case Floor Shift AT Automatic - Car Parts Direct","id":36529232445677,"position":7,"preview_image":{"aspect_ratio":1.0,"height":1080,"width":1080,"src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-6751936.png?v=1756828133"},"aspect_ratio":1.0,"height":1080,"media_type":"image","src":"\/\/carpartsdirectstore.com\/cdn\/shop\/files\/1999-2006-chevy-silverado-1500-pickup-transfer-case-floor-shift-at-automatic-6751936.png?v=1756828133","width":1080}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch1 data-path-to-node=\"2\"\u003e\u003cb data-path-to-node=\"2\" data-index-in-node=\"0\"\u003eNP261 Transfer Case 1999-2007 Silverado Sierra 1500 Floor Shift AT | OEM 12588517\u003c\/b\u003e\u003c\/h1\u003e\n\u003ch3 data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"4\"\u003eGet your truck back on the road with this heavy-duty, genuine \u003cb data-path-to-node=\"4\" data-index-in-node=\"62\"\u003eNP261 (Option Code NP2)\u003c\/b\u003e Transfer Case. This is the highly reliable \u003cb data-path-to-node=\"4\" data-index-in-node=\"129\"\u003eManual Floor Shift\u003c\/b\u003e version designed specifically for the 1500 series pickups with an Automatic Transmission. Unlike the push-button models, the NP261 features a mechanical engagement system, offering superior durability and fewer electronic failures.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eVehicle Compatibility (1500 Series ONLY)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"6\"\u003eThis unit is a direct fit for the following models equipped with a \u003cb data-path-to-node=\"6\" data-index-in-node=\"67\"\u003eManual Floor Shifter\u003c\/b\u003e and \u003cb data-path-to-node=\"6\" data-index-in-node=\"92\"\u003eAutomatic Transmission\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003e1999–2006 Chevrolet Silverado 1500\u003c\/b\u003e (Excludes SS models)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003e2007 Chevrolet Silverado 1500 \"Classic\"\u003c\/b\u003e (Old Body Style)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003e1999–2006 GMC Sierra 1500\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003e2007 GMC Sierra 1500 \"Classic\"\u003c\/b\u003e (Old Body Style)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"8\"\u003e\u003cb data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eKey Technical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eOEM Part Number:\u003c\/b\u003e 12588517\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eHollander Interchange:\u003c\/b\u003e 412-00430\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eOption Code (RPO):\u003c\/b\u003e \u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"19\"\u003eNP2\u003c\/b\u003e (Verify this on your glovebox sticker)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eModel:\u003c\/b\u003e New Process NP261\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,4,0\"\u003e\u003cb data-path-to-node=\"9,4,0\" data-index-in-node=\"0\"\u003eInput Spline:\u003c\/b\u003e 27-Spline (Matches 4L60E Transmission)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,5,0\"\u003e\u003cb data-path-to-node=\"9,5,0\" data-index-in-node=\"0\"\u003eShift Type:\u003c\/b\u003e Manual Floor Lever (2-Speed: 2HI, 4HI, Neutral, 4LO)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"10\"\u003e\u003cb data-path-to-node=\"10\" data-index-in-node=\"0\"\u003eWhy Choose Car Parts Direct?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eProfessional Inspection:\u003c\/b\u003e Every unit is bench-tested. We verify that the internal oil pump is seated correctly and that all gear ranges engage smoothly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eHigh Reliability:\u003c\/b\u003e The manual-shift NP261 is the preferred choice for truck owners looking to eliminate common electronic actuator and encoder motor issues.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eNo Core Charge:\u003c\/b\u003e This is an outright purchase. No need to deal with the hassle and expense of shipping your old core back to us.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e\u003cb data-path-to-node=\"12\" data-index-in-node=\"0\"\u003eShipping Information\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003eFREE SHIPPING:\u003c\/b\u003e Fast delivery within the \u003cb data-path-to-node=\"13,0,0\" data-index-in-node=\"40\"\u003e48 Continental United States\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eProcessing Time:\u003c\/b\u003e Ships within 1-2 business days.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb data-path-to-node=\"13,2,0\" data-index-in-node=\"0\"\u003eCarrier:\u003c\/b\u003e Shipped via heavy-duty ground or freight (4-9 business days).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"0\"\u003eRestrictions:\u003c\/b\u003e We \u003cb data-path-to-node=\"13,3,0\" data-index-in-node=\"17\"\u003eDO NOT\u003c\/b\u003e ship this item to Canada.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"17\"\u003e\u003cb data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eImportant Installation Note:\u003c\/b\u003e This unit is shipped dry. You must fill it with the manufacturer-recommended fluid (AutoTrak II or Dexron VI depending on your specific year)\u003c\/p\u003e"}

NP261 Transfer Case 1999-2007 Silverado Sierra 1500 Floor Shift AT | OEM 12588517

Product Description

NP261 Transfer Case 1999-2007 Silverado Sierra 1500 Floor Shift AT | OEM 12588517

Product Overview

Get your truck back on the road with this heavy-duty, genuine NP261 (Option Code NP2) Transfer Case. This is the highly reliable Manual Floor Shift version designed specifically for the 1500 series pickups with an Automatic Transmission. Unlike the push-button models, the NP261 features a mechanical engagement system, offering superior durability and fewer electronic failures.

Vehicle Compatibility (1500 Series ONLY)

This unit is a direct fit for the following models equipped with a Manual Floor Shifter and Automatic Transmission:

  • 1999–2006 Chevrolet Silverado 1500 (Excludes SS models)

  • 2007 Chevrolet Silverado 1500 "Classic" (Old Body Style)

  • 1999–2006 GMC Sierra 1500

  • 2007 GMC Sierra 1500 "Classic" (Old Body Style)

Key Technical Specifications

  • OEM Part Number: 12588517

  • Hollander Interchange: 412-00430

  • Option Code (RPO): NP2 (Verify this on your glovebox sticker)

  • Model: New Process NP261

  • Input Spline: 27-Spline (Matches 4L60E Transmission)

  • Shift Type: Manual Floor Lever (2-Speed: 2HI, 4HI, Neutral, 4LO)

Why Choose Car Parts Direct?

  • Professional Inspection: Every unit is bench-tested. We verify that the internal oil pump is seated correctly and that all gear ranges engage smoothly.

  • High Reliability: The manual-shift NP261 is the preferred choice for truck owners looking to eliminate common electronic actuator and encoder motor issues.

  • No Core Charge: This is an outright purchase. No need to deal with the hassle and expense of shipping your old core back to us.

Shipping Information

  • FREE SHIPPING: Fast delivery within the 48 Continental United States.

  • Processing Time: Ships within 1-2 business days.

  • Carrier: Shipped via heavy-duty ground or freight (4-9 business days).

  • Restrictions: We DO NOT ship this item to Canada.

Important Installation Note: This unit is shipped dry. You must fill it with the manufacturer-recommended fluid (AutoTrak II or Dexron VI depending on your specific year)

$349.99
Maximum quantity available reached.
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