{"product_id":"cpi-rv-tank-patch-drive-tool-4-1-2-patch-3-1-8-hole-size-ld69l","title":"CPI - RV Tank Patch Drive Tool - 4-1\/2\" Patch - 3-1\/8\" Hole Size - Part # LD69L","description":"\u003cdiv style=\"background:#f3f4f6;border-left:4px solid #1d9bf0;padding:16px;margin-bottom:12px;\"\u003e\u003cstrong style=\"color:#1d9bf0;\"\u003e✓ ElkhartRVParts.com - The Only Authorized Place for CPI\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"background:#f3f4f6;border-left:4px solid #10b981;padding:16px;margin-bottom:20px;\"\u003e\u003cstrong style=\"color:#10b981;\"\u003e✓ 100% Verified Authentic OEM Grade Part\u003c\/strong\u003e\u003c\/div\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCPI LD69L Drive Tool\u003c\/strong\u003e is the purpose-built installation tool for driving CPI #69 and #69L spinweld patch fittings into RV fresh water and holding tanks. Without the correct drive tool, patch fittings can be damaged during installation — this tool ensures a clean, leak-free weld every time.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LD69L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Patches:\u003c\/strong\u003e CPI Patch #69 \u0026amp; #69L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatch Diameter:\u003c\/strong\u003e 4-1\/2\" (4.5\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Hole Size:\u003c\/strong\u003e 3-1\/8\" (3.125\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CPI (Custom Plastics Inc.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e RV fresh water tanks \u0026amp; holding tanks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRating:\u003c\/strong\u003e 4.9\/5 stars (8 verified reviews)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the CPI LD69L Drive Tool?\u003c\/h2\u003e\n\u003cp\u003eSpinweld patch fittings require precise rotational force to create a proper friction weld to the tank wall. The \u003cstrong\u003eCPI LD69L drive tool\u003c\/strong\u003e is engineered specifically for the 4-1\/2\" patch geometry — it seats perfectly and transfers torque evenly, preventing cracking or misalignment. Using a generic tool risks a failed weld and a leaking tank.\u003c\/p\u003e\n\u003cp\u003eThis is the same tool used by professional RV technicians and service centers. If you're repairing an RV tank with a CPI #69 or #69L patch, this drive tool is not optional — it's essential.\u003c\/p\u003e\n\n\u003ch2\u003eCompare RV Tank Patch Fittings\u003c\/h2\u003e\n\u003cp\u003eNot sure which patch or tool is right for your repair? Use this guide to match your hole size to the correct CPI patch fitting.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background:#dc2626;color:#fff;\"\u003e\n\u003cth style=\"padding:10px;border:1px solid #e5e7eb;text-align:left;\"\u003eModel \/ Part #\u003c\/th\u003e\n\u003cth style=\"padding:10px;border:1px solid #e5e7eb;text-align:left;\"\u003ePatch Diameter\u003c\/th\u003e\n\u003cth style=\"padding:10px;border:1px solid #e5e7eb;text-align:left;\"\u003eHole Size\u003c\/th\u003e\n\u003cth style=\"padding:10px;border:1px solid #e5e7eb;text-align:left;\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"padding:10px;border:1px solid #e5e7eb;text-align:left;\"\u003eView Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-left:3px solid #dc2626;background:#fef2f2;\"\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003eLD69L (Drive Tool)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e4-1\/2\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e3-1\/8\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003eInstalling #69 \u0026amp; #69L patches\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e\u003cstrong\u003eCurrent Product\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003ePart #76 (Patch)\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e3\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e2-1\/2\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003eMedium hole repairs\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/products\/3-patch-2-1-2-hole-size-part-76\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003ePart #51AD (Patch)\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e1\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e7\/8\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003eSmall hole spinweld repairs\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/products\/rv-tank-fittings1-patch-7-8-hole-size\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003ePart #50 (Patch)\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003eWhite Probe\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e1\/2\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003eProbe port repairs\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/products\/white-probe-patch-1-2-hole-size-part-50\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003eCPI Patch #71B (Patch)\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e3.400\" OD\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e2.200\" Pilot\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003eLarger OD patch repairs\u003c\/td\u003e\n\u003ctd style=\"padding:10px;border:1px solid #e5e7eb;\"\u003e\u003ca href=\"\/products\/cpi-patch-2-200-pilot-x-3-400-od-black\"\u003eView\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:13px;color:#6b7280;margin-top:8px;\"\u003e\u003cem\u003eTip: Always match your drive tool to the exact patch part number. Using the wrong tool can crack the patch or create a weak weld.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e LD69L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatch Compatibility:\u003c\/strong\u003e CPI #69 \u0026amp; #69L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatch Diameter:\u003c\/strong\u003e 4-1\/2\" (4.500\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired Hole Size:\u003c\/strong\u003e 3-1\/8\" (3.125\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Method:\u003c\/strong\u003e Drill-driven spinweld installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Engineered for CPI spinweld patch geometry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e CPI \/ Custom Plastics Inc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e LD69L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1x CPI LD69L Drive Tool\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNote: Patch fitting (#69 or #69L) sold separately\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible Models \u0026amp; Alternatives\u003c\/h2\u003e\n\u003cp\u003eThis drive tool is designed exclusively for CPI #69 and #69L patch fittings. Browse compatible patches and related RV tank repair products:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/3-patch-2-1-2-hole-size-part-76\"\u003e3\" Patch - 2-1\/2\" Hole Size - Part #76\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/rv-tank-fittings1-patch-7-8-hole-size\"\u003e1\" Spinweld Patch - Part #51AD\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/white-probe-patch-1-2-hole-size-part-50\"\u003eWhite Probe Patch - 1\/2\" Hole Size - Part #50\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/rv-tank-fittings-1\"\u003eShop All RV Tank Fittings\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs the patch fitting included with the LD69L drive tool?\u003c\/strong\u003e\u003cbr\u003eNo — the LD69L is the drive tool only. The CPI #69 or #69L patch fitting must be purchased separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat hole size do I need to drill for the #69 patch?\u003c\/strong\u003e\u003cbr\u003eYou need a 3-1\/8\" (3.125\") hole in the tank wall to use the CPI #69 or #69L patch with this drive tool.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this drive tool with other CPI patches?\u003c\/strong\u003e\u003cbr\u003eNo — the LD69L is specifically engineered for the 4-1\/2\" patch geometry of the #69 and #69L. Using it with other patch sizes may result in a failed installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this compatible with both fresh water and holding tanks?\u003c\/strong\u003e\u003cbr\u003eYes — CPI spinweld patch fittings and their drive tools are designed for use on both RV fresh water tanks and holding tanks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I install a spinweld patch fitting?\u003c\/strong\u003e\u003cbr\u003eDrill the correct hole size, insert the patch fitting, then use the LD69L drive tool in a drill to spin-weld the fitting to the tank wall using friction heat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I buy the CPI LD69L drive tool?\u003c\/strong\u003e\u003cbr\u003eThe CPI LD69L is available exclusively at ElkhartRVParts.com — the only authorized CPI dealer online.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Elkhart RV Parts?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAuthorized CPI dealer — 100% OEM authentic parts\u003c\/li\u003e\n\u003cli\u003e4.9\/5 star rating from verified RV technicians and owners\u003c\/li\u003e\n\u003cli\u003eExpert support via AI Live Chat — get help matching the right tool to your repair\u003c\/li\u003e\n\u003cli\u003eFast shipping on all RV tank repair tools and fittings\u003c\/li\u003e\n\u003cli\u003eTrusted by professional RV service centers nationwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv style=\"background:#f3f4f6;border-left:4px solid #dc2626;padding:16px;margin-top:20px;\"\u003e\n\u003cstrong style=\"color:#dc2626;\"\u003eReady to complete your RV tank repair?\u003c\/strong\u003e\u003cbr\u003eAdd the CPI LD69L Drive Tool to your cart and use our AI Live Chat to confirm compatibility with your specific patch fitting and tank model.\n\u003c\/div\u003e","brand":"CPI","offers":[{"title":"Default Title","offer_id":41658130399384,"sku":"LD69L","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0346\/2397\/9579\/files\/cpi-rv-tank-patch-drive-tool-4-1-2-patch-3-1-8-hole-size-ld69l-representative-placeholder.png?v=1779187746","url":"https:\/\/elkhartrvparts.com\/products\/cpi-rv-tank-patch-drive-tool-4-1-2-patch-3-1-8-hole-size-ld69l","provider":"Elkhart RV Parts","version":"1.0","type":"link"}