{"product_id":"4243-640-0535","title":"4243 640 0535 STIHL Gear Housing – Genuine OEM Angle Drive Part","description":"\u003ch1 data-start=\"0\" data-end=\"65\"\u003e4243 640 0535 STIHL Gear Housing – Genuine OEM Angle Drive Part\u003c\/h1\u003e\n\u003cp data-start=\"67\" data-end=\"414\"\u003eThe STIHL Gear Housing (4243 640 0535) is a genuine OEM gearbox casing component designed for select STIHL long-reach hedge trimmers and KombiSystem attachments equipped with adjustable angle drive assemblies. This gear housing forms the structural body of the angle drive unit, protecting internal gears and ensuring proper blade drive alignment.\u003c\/p\u003e\n\u003cp data-start=\"416\" data-end=\"771\"\u003eOver time, gear housings may become cracked, worn, or damaged due to vibration, heavy-duty trimming, debris intrusion, or impact. A damaged housing can lead to grease leakage, gear misalignment, overheating, or premature gearbox failure. Replacing it with the correct OEM part restores proper gear head integrity without replacing the complete attachment.\u003c\/p\u003e\n\u003cp data-start=\"773\" data-end=\"951\"\u003eManufactured to STIHL factory specifications, this genuine gear housing ensures precise fitment, secure sealing, and long-term durability under professional operating conditions.\u003c\/p\u003e\n\u003chr data-start=\"953\" data-end=\"956\"\u003e\n\u003ch2 data-start=\"958\" data-end=\"976\"\u003eProduct Details\u003c\/h2\u003e\n\u003cp data-start=\"978\" data-end=\"1175\"\u003eOEM Part Number: 4243 640 0535\u003cbr data-start=\"1008\" data-end=\"1011\"\u003eBrand: STIHL (Genuine OEM)\u003cbr data-start=\"1037\" data-end=\"1040\"\u003ePart Type: Gear Housing \/ Angle Drive Casing\u003cbr data-start=\"1084\" data-end=\"1087\"\u003eApplication: Adjustable angle drive gearbox assembly\u003cbr data-start=\"1139\" data-end=\"1142\"\u003eCondition: New Genuine OEM Part\u003c\/p\u003e\n\u003chr data-start=\"1177\" data-end=\"1180\"\u003e\n\u003ch2 data-start=\"1182\" data-end=\"1193\"\u003eFunction\u003c\/h2\u003e\n\u003cp data-start=\"1195\" data-end=\"1234\"\u003eThis STIHL gear housing is designed to:\u003c\/p\u003e\n\u003cul data-start=\"1236\" data-end=\"1492\"\u003e\n\u003cli data-start=\"1236\" data-end=\"1291\"\u003e\n\u003cp data-start=\"1238\" data-end=\"1291\"\u003eEnclose and protect internal angle drive components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1292\" data-end=\"1343\"\u003e\n\u003cp data-start=\"1294\" data-end=\"1343\"\u003eMaintain proper alignment of gears and bearings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1344\" data-end=\"1385\"\u003e\n\u003cp data-start=\"1346\" data-end=\"1385\"\u003eRetain lubrication within the gearbox\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1386\" data-end=\"1430\"\u003e\n\u003cp data-start=\"1388\" data-end=\"1430\"\u003eReplace cracked or damaged gear housings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1431\" data-end=\"1492\"\u003e\n\u003cp data-start=\"1433\" data-end=\"1492\"\u003eSupport long-term blade drive reliability and performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1494\" data-end=\"1579\"\u003e⚠️ A damaged gear housing can cause grease leakage, misalignment, or gearbox failure.\u003c\/p\u003e\n\u003chr data-start=\"1581\" data-end=\"1584\"\u003e\n\u003ch2 data-start=\"1586\" data-end=\"1617\"\u003eVerify Fitment (Recommended)\u003c\/h2\u003e\n\u003cp data-start=\"1619\" data-end=\"1644\"\u003eBefore ordering, confirm:\u003c\/p\u003e\n\u003cul data-start=\"1646\" data-end=\"1787\"\u003e\n\u003cli data-start=\"1646\" data-end=\"1679\"\u003e\n\u003cp data-start=\"1648\" data-end=\"1679\"\u003eOEM part number 4243 640 0535\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1680\" data-end=\"1726\"\u003e\n\u003cp data-start=\"1682\" data-end=\"1726\"\u003eYour unit model matches those listed below\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1727\" data-end=\"1787\"\u003e\n\u003cp data-start=\"1729\" data-end=\"1787\"\u003eApplication matches your STIHL illustrated parts diagram\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1789\" data-end=\"1900\"\u003e⚠️ Gear housings are model- and configuration-specific — always verify by OEM part number and angle drive type.\u003c\/p\u003e\n\u003chr data-start=\"1902\" data-end=\"1905\"\u003e\n\u003ch2 data-start=\"1907\" data-end=\"1923\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp data-start=\"1925\" data-end=\"2072\"\u003eThis OEM gear housing fits select STIHL long-reach hedge trimmers and Kombi attachments equipped with adjustable angle drive assemblies, including:\u003c\/p\u003e\n\u003ch3 data-start=\"2074\" data-end=\"2123\"\u003eLong-Reach Hedge Trimmers \/ Angle Drive Units\u003c\/h3\u003e\n\u003cp data-start=\"2125\" data-end=\"2281\"\u003eHL (Angle drive, adjustable thru 145°, 600 mm)\u003cbr data-start=\"2171\" data-end=\"2174\"\u003eHL 145° (Angle drive, adjustable thru 145°, 600 mm)\u003cbr data-start=\"2225\" data-end=\"2228\"\u003eHL 91 K (Angle drive, adjustable thru 130°, 600 mm)\u003c\/p\u003e\n\u003cp data-start=\"2283\" data-end=\"2359\"\u003eHL 94 \/ HL 94 K \/ HL 94 KC-E\u003cbr data-start=\"2311\" data-end=\"2314\"\u003e(Angle drive, adjustable thru 145°, 600 mm)\u003c\/p\u003e\n\u003cp data-start=\"2361\" data-end=\"2419\"\u003eHL-KM 145°\u003cbr data-start=\"2371\" data-end=\"2374\"\u003e(Angle drive, adjustable thru 145°, 500 mm)\u003c\/p\u003e\n\u003cp data-start=\"2421\" data-end=\"2488\"\u003eHLA 135 \/ HLA 135 K\u003cbr data-start=\"2440\" data-end=\"2443\"\u003e(Angle drive, adjustable thru 145°, 600 mm)\u003c\/p\u003e\n\u003cp data-start=\"2490\" data-end=\"2547\"\u003eHLA 150.0\u003cbr data-start=\"2499\" data-end=\"2502\"\u003e(Angle drive, adjustable thru 145°, 600 mm)\u003c\/p\u003e\n\u003ch3 data-start=\"2549\" data-end=\"2570\"\u003eKombi Attachments\u003c\/h3\u003e\n\u003cp data-start=\"2572\" data-end=\"2682\"\u003eFH 145° (Angle drive, adjustable thru 145°, 250 mm)\u003cbr data-start=\"2623\" data-end=\"2626\"\u003eFH-KM 145° (Angle drive, adjustable thru 145°, 250 mm)\u003c\/p\u003e\n\u003cp data-start=\"2684\" data-end=\"2770\"\u003e(Exact fitment depends on production version — always verify using OEM parts diagram.)\u003c\/p\u003e\n\u003chr data-start=\"2772\" data-end=\"2775\"\u003e\n\u003ch2 data-start=\"2777\" data-end=\"2798\"\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul data-start=\"2800\" data-end=\"3221\"\u003e\n\u003cli data-start=\"2800\" data-end=\"2842\"\u003e\n\u003cp data-start=\"2802\" data-end=\"2842\"\u003eDisconnect spark plug before servicing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2843\" data-end=\"2896\"\u003e\n\u003cp data-start=\"2845\" data-end=\"2896\"\u003eRemove cutter bar and access angle drive assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2897\" data-end=\"2949\"\u003e\n\u003cp data-start=\"2899\" data-end=\"2949\"\u003eCarefully disassemble gearbox on a clean surface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2950\" data-end=\"3010\"\u003e\n\u003cp data-start=\"2952\" data-end=\"3010\"\u003eTransfer internal gears, bearings, and seals as required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3011\" data-end=\"3067\"\u003e\n\u003cp data-start=\"3013\" data-end=\"3067\"\u003eInstall new gear housing and ensure proper alignment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3068\" data-end=\"3113\"\u003e\n\u003cp data-start=\"3070\" data-end=\"3113\"\u003eRepack gearbox with STIHL-approved grease\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3114\" data-end=\"3166\"\u003e\n\u003cp data-start=\"3116\" data-end=\"3166\"\u003eReassemble and torque fasteners to specification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3167\" data-end=\"3221\"\u003e\n\u003cp data-start=\"3169\" data-end=\"3221\"\u003eTest blade movement and angle adjustment operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3223\" data-end=\"3334\"\u003e⚠️ Gearbox rebuilding should be performed by a qualified technician to ensure proper alignment and lubrication.\u003c\/p\u003e\n\u003chr data-start=\"3336\" data-end=\"3339\"\u003e\n\u003ch2 data-start=\"3341\" data-end=\"3360\"\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cul data-start=\"3362\" data-end=\"3658\"\u003e\n\u003cli data-start=\"3362\" data-end=\"3420\"\u003e\n\u003cp data-start=\"3364\" data-end=\"3420\"\u003eInspect gear head regularly for grease leaks or cracks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3421\" data-end=\"3470\"\u003e\n\u003cp data-start=\"3423\" data-end=\"3470\"\u003eMaintain proper gearbox lubrication intervals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3471\" data-end=\"3516\"\u003e\n\u003cp data-start=\"3473\" data-end=\"3516\"\u003eAvoid impact or forcing angle adjustments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3517\" data-end=\"3573\"\u003e\n\u003cp data-start=\"3519\" data-end=\"3573\"\u003eReplace worn seals promptly to prevent contamination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3574\" data-end=\"3658\"\u003e\n\u003cp data-start=\"3576\" data-end=\"3658\"\u003eAlways use genuine STIHL OEM gear head components for correct fit and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STIHL","offers":[{"title":"Default Title","offer_id":58959941959761,"sku":"4243 640 0535","price":126.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/2570\/0177\/files\/4243_640_0535.webp?v=1770829346","url":"https:\/\/www.barryspowerequipment.com\/products\/4243-640-0535","provider":"Barry's Power Equipment","version":"1.0","type":"link"}