格莳国际提醒您，为确保您的沃尔沃EC300D挖掘机能够高效稳定地运行，定期维护和更换磨损的零部件至关重要。其中，中臂油缸是挖掘机的重要组成部分，负责控制中臂的伸缩动作，直接影响挖掘机的作业效率和精度。当中臂油缸出现泄漏、动作迟缓等问题时，及时更换修理包是恢复其性能的关键。
本产品为沃尔沃EC300D挖掘机专用中臂油缸修理包，包含了所有必要的密封件和耐磨件，能够有效地解决油缸常见的故障问题。我们提供的修理包均采用优质材料制造，具有优异的耐磨性、耐高压性和耐腐蚀性，能够保证在恶劣的工作环境下长期稳定地工作，延长油缸的使用寿命，降低您的维护成本。
在格莳国际，我们深知选择合适的工程机械配件对于设备的正常运行至关重要。因此，我们严格把控产品质量，确保每一套沃尔沃EC300D挖掘机中臂油缸修理包都符合原厂标准或更高。我们致力于为全球客户提供高品质的工程机械配件、重卡配件、农机配件以及汽车配件的进出口贸易服务。
产品名称：沃尔沃EC300D挖掘机中臂油缸修理包
适用机型：沃尔沃EC300D挖掘机
包含部件：全套密封件和耐磨件
材质：优质耐磨、耐高压、耐腐蚀材料
特点：密封性能好，使用寿命长，安装方便
本沃尔沃EC300D挖掘机中臂油缸修理包包含以下关键零件号（仅为示例，具体以实际产品为准）：
油缸杆密封：14634567, 14634567
油缸活塞密封：14536987, 14536987
油缸缸筒密封：14598745, 14598745
导向环：14601234, 14601234
防尘圈：14563210, 14563210
其他密封件及耐磨件
请在购买前核对您的设备所需的具体零件号，或咨询格莳国际的专业团队，我们将竭诚为您提供准确的配件信息。
油缸杆密封（Rod Seal）：安装在油缸活塞杆外部，用于防止液压油从油缸杆处泄漏。例如：卡特彼勒 320D 挖掘机的油缸杆密封 (Caterpillar 320D Excavator Rod Seal, Гусеничный экскаватор Caterpillar 320D Уплотнение штока гидроцилиндра).
油缸活塞密封（Piston Seal）：安装在油缸活塞上，用于分隔油缸的两个腔室，防止液压油在活塞两侧之间泄漏。例如：小松PC200-8挖掘机的油缸活塞密封 (Komatsu PC200-8 Excavator Piston Seal, Экскаватор Komatsu PC200-8 Уплотнение поршня гидроцилиндра).
油缸缸筒密封（Cylinder Barrel Seal）：安装在油缸缸筒两端，用于密封缸筒与端盖或法兰之间的连接处，防止液压油泄漏。例如：三一SY215C挖掘机的油缸缸筒密封 (Sany SY215C Excavator Cylinder Barrel Seal, Экскаватор Sany SY215C Уплотнение гильзы гидроцилиндра).
导向环（Wear Ring/Guide Ring）：安装在油缸的活塞和活塞杆上，用于支撑和引导活塞在缸筒内平稳运动，减少金属之间的摩擦。例如：徐工LW500FN装载机的导向环 (XCMG LW500FN Loader Wear Ring, Фронтальный погрузчик XCMG LW500FN Опорное кольцо).
防尘圈（Dust Seal/Wiper Seal）：安装在油缸杆的外部，用于刮除活塞杆表面的灰尘、泥沙等杂质，防止其进入油缸内部，损坏密封件。例如：东风天龙卡车的防尘圈 (Dongfeng Tianlong Truck Dust Seal, Грузовик Dongfeng Tianlong Пыльник).
O型圈（O-Ring）：一种常用的静密封或动密封元件，通过挤压产生密封作用，广泛应用于工程机械、重卡、农机和汽车的各个液压和气动系统中。例如：各种设备的液压管路接头处都可能使用O型圈 (Various Equipment Hydraulic Line Fittings O-Ring, Уплотнительное кольцо круглого сечения для фитингов гидравлических линий различного оборудования).
骨架油封（Rotary Shaft Seal）：一种用于旋转轴的密封元件，通常由弹性体密封唇和金属骨架组成，用于防止润滑油或液压油泄漏，并防止外部污染物进入。例如：福田雷沃拖拉机的轮毂油封 (Foton Lovol Tractor Wheel Hub Seal, Трактор Foton Lovol Сальник ступицы колеса).
组合密封（Combination Seal）：由多种密封材料或结构组合而成的密封件，旨在提供更好的密封性能，通常用于工况较为复杂的部位。例如：某些重型机械的主油缸可能使用组合密封 (Heavy Machinery Main Cylinder Combination Seal, Комбинированное уплотнение главного гидроцилиндра тяжелой техники).
水封（Water Seal）：主要用于防止水或冷却液泄漏的密封件，常用于汽车发动机和农机水泵等部位。例如：大众捷达汽车的水泵水封 (Volkswagen Jetta Car Water Pump Seal, Автомобиль Volkswagen Jetta Водяной насос Сальник).
气门油封（Valve Stem Seal）：用于汽车发动机气门杆的密封，防止机油进入燃烧室。例如：宝马5系汽车的气门油封 (BMW 5 Series Car Valve Stem Seal, Автомобиль BMW 5 серии Сальник клапана).
如何判断挖掘机油缸是否需要更换修理包？
答：常见的判断方法包括观察油缸是否出现明显的液压油泄漏，油缸动作是否变得缓慢或无力，以及在工作过程中是否出现异常声音。如果出现以上情况，很可能需要更换油缸修理包。
工程机械配件的质量对设备性能有何影响？
答：高质量的工程机械配件能够保证设备的正常运行，提高工作效率，延长设备的使用寿命，并降低维护成本。劣质配件则可能导致设备故障频发，影响生产进度，甚至造成安全隐患。
在选择农机配件时需要注意哪些方面？
答：选择农机配件时，首先要确保配件的型号和规格与您的农机设备相匹配。其次，要关注配件的质量和材质，选择信誉良好的供应商。此外，也要考虑配件的性价比和售后服务。
格莳国际（英文名：Growshine International）是一家专业的进出口贸易公司，主营工程机械配件、重卡配件、农机配件以及汽车配件。我们凭借多年的行业经验和广泛的供应商网络，致力于为全球客户提供优质的产品和专业的服务。我们的产品涵盖各种品牌和型号的配件，能够满足不同客户的需求。无论是零部件采购、技术咨询还是售后服务，格莳国际都将竭诚为您服务，成为您值得信赖的合作伙伴。
故障现象：挖掘机中臂油缸出现缓慢下落，即使在没有操作的情况下也会缓慢下降。
可能原因：
油缸内泄：油缸内部的密封件老化或损坏，导致液压油从高压腔泄漏到低压腔。
油路堵塞：油缸的回油路或缓冲回路可能存在堵塞，阻碍液压油的正常流动。
换向阀故障：控制中臂油缸的换向阀可能存在内泄，导致部分液压油在不操作时泄漏。
管路泄漏：连接中臂油缸的液压管路或接头可能存在泄漏。
处理方案：
检查油缸密封件：更换中臂油缸修理包，确保所有密封件完好无损。
清理油路：检查并清理油缸的回油路和缓冲回路，排除堵塞。
检修或更换换向阀：如果怀疑是换向阀故障，需要专业人员进行检修或更换。
检查液压管路：仔细检查连接中臂油缸的所有液压管路和接头，如有泄漏及时修复或更换。
专业检查：如果以上方法都无法解决问题，建议联系专业的工程机械维修人员进行全面检查和维修。
由广数供应链（CGSC）团队提供运营方案
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| Serial Number | Product Category | Part Numbers |
|---|---|---|
| 1 | Common Rail Pressure Sensor | 499000-6550, 4990006550, 89458-20052, 8945820052 |
| 2 | Common Rail Pressure Sensor | 23810-30100, 2381030100 |
| 3 | Common Rail Pressure Sensor | 23810-30110, 2381030110 |
| 4 | Pressure MAP Sensor | A0061531528, 0261230144 |
| 5 | Common Rail Pressure Sensor | 3949988 |
| 6 | Camshaft Position Sensor | 941-01570, 94101570, 949979-1310, 9499791310 |
| 7 | Common Rail Fuel Injector Nozzle | DLLA155P1030, 095000-956X, 095000956X |
| 8 | Fuel Injector Nozzle | ALLA152FL025, DLLA145P870, 6801131 |
| 9 | Common Rail Fuel Injector Nozzle | DLLA148P924, 095000-6132, 0950006132, 8-97376270-#, 897376270# |
| 10 | Diesel Common Rail Fuel Valve Plate | 501#, 504#, 505#, 507#, 509#, 095000231, 095000152, 095000491 |
| 11 | Common Rail Pressure Sensor | 0281006325, 0281006327, 0281006365 |
| 12 | G4 Valve Plate Injector Control Valve | 23670-0E010, 236700E010, 23670-0E020, 236700E020, 295040-9440, 2950409440 |
| 13 | Diesel Fuel Pump Plunger | M33, M34, M37 |
| 14 | Diesel Fuel Injector Nozzle (P Type) | DLLA134P180, DLLA152P285, 6801120E |
| 15 | Repair Kits for Diesel Engine HP3 Pump | 294009-0032, 2940090032 |
| 16 | Diesel Injector Overhaul Kit | 0445110008, 0445110044, DSLA142P795, F00VC01003 |
| 17 | Diesel Fuel Injector | 0432133764 |
| 18 | Fuel Injection Pump Repair Kits | 9059-041A, 9059041A, 9059-041a, 9059041a |
| 19 | Diesel Injector | 0445110646, 0445110647, 0445110369, 0445110688 |
| 20 | Diesel Common Rail Injector Repair Kits | 095000-5471G, 0950005471G, 095000-5471F, 0950005471F, 095000-5471, 0950005471, 095000-5470, 0950005470 |
| 21 | Common Rail Fuel Injector | 0445120326, 107755-0200, 1077550200 |
| 22 | Diesel Fuel Common Rail Fuel Manifold | RE522596, Re522596, 095440-0981, 0954400981 |
| 23 | Diesel Fuel Injector | BEBE4C02101, BEBE4C02102 |
| 24 | Diesel Fuel Injector | 0432191669, 477816, DLLA145P433 |
| 25 | Common Rail Injector | 095000-7460, 0950007460, 2367030260, 23670-30260 |
| 26 | Common Rail Injector | 0950008982, 095000-8982, 8981675562 |
| 27 | Common Rail Injector | 095000-5321, 0950005321, 23670-78030, 2367078030 |
| 28 | Diesel Rail Fuel Injector | 095000-6071, 0950006071, 6251-11-3101, 6251113101 |
| 29 | Common Rail Injector | 16600-EB30E, 16600EB30E, DLLA148P872 |
| 30 | Fuel Pressure Regulator Control Valve | 0928400666, 0928400667, 0928400670 |
| 31 | Fuel Pressure Regulator Control Valve | 0928400825, 0928400828, 0928400820 |
| 32 | Fuel Pressure Regulator Control Valve | 0928400769, 0928400792, 0928400797 |
| 33 | Camshaft Position Sensor | 39300-27400, 3930027400 |
| 34 | Common Rail Pressure Sensor | 45PP3-7, 45PP37, 45pp37 |
| 35 | Common Rail Pressure Sensor | 499000-6160, 4990006160 |
| 36 | Common Rail Pressure Sensor | 499000-6111, 4990006111, 31441-45710, 3144145710 |
| 37 | Crankshaft Position Sensor | 6217-81-9210, 6217819210, 029600-0570, 0296000570 |
| 38 | Common Rail Pressure Sensor | RE523811, re523811 |
| 39 | Common Rail Pressure Sensor | ND499000-4441, ND4990004441, 499000-4441, 4990004441 |
| 40 | Common Rail Pressure Sensor | 0281002755 |
| 41 | Common Rail Pressure Sensor | 0281006150 |
| 42 | Common Rail Pressure Sensor | 0281006064 |
| 43 | Common Rail Pressure Sensor | 0281002112 |
| 44 | Common Rail Pressure Sensor | 0281002707 |
| 45 | Common Rail Pressure Sensor | 0281002864 |
| 46 | Common Rail Pressure Sensor | 0281002982 |
| 47 | Common Rail Pressure Sensor | 0281002472 |
| 48 | Common Rail Pressure Sensor | 0281006404 |
| 49 | Common Rail Pressure Sensor | 0281002841 |
| 50 | Common Rail Pressure Sensor | 0281002850 |
| 51 | Common Rail Pressure Sensor | 0281006177 |
| 52 | Common Rail Pressure Sensor | 0281006113 |
| 53 | Common Rail Pressure Sensor | 0281002840 |
| 54 | Common Rail Pressure Sensor | 0281002952 |
| 55 | Common Rail Pressure Sensor | 0281006226 |
| 56 | Common Rail Pressure Sensor | 0281006199 |
| 57 | Common Rail Pressure Sensor | 0281002915 |
| 58 | Common Rail Pressure Sensor | 0281002767 |
| 59 | Common Rail Pressure Sensor | 0281006087, 2854542 |
| 60 | Common Rail Pressure Sensor | 0281006165 |
| 61 | Common Rail Pressure Sensor | 0281006164 |
| 62 | Common Rail Pressure Sensor | 0281006176 |
| 63 | Common Rail Pressure Sensor | 0281002903 |
| 64 | Common Rail Pressure Sensor | 0281002846 |
| 65 | Common Rail Pressure Sensor | 0281002909, 31401-27000, 3140127000 |
| 66 | Common Rail Pressure Sensor | 0281006365 |
| 67 | Common Rail Pressure Sensor | 0281002908 |
| 68 | Common Rail Pressure Sensor | 0281006086 |
| 69 | Common Rail Pressure Sensor | 0281002787 |
| 70 | Common Rail Pressure Sensor | 0281006053 |
| 71 | Common Rail Pressure Sensor | 0281006189 |
| 72 | Common Rail Pressure Sensor | 0281006327, 5261237 |
| 73 | Common Rail Pressure Sensor | 0281006325 |
| 74 | Common Rail Pressure Sensor | 0281002867 |
| 75 | Common Rail Pressure Sensor | 0281002734 |
| 76 | Common Rail Pressure Sensor | 0281006364 |
| 77 | Common Rail Pressure Sensor | 45PP3-1, 45PP31 |
| 78 | Common Rail Pressure Sensor | 0281006425 |
| 79 | Common Rail Pressure Sensor | 45PP3-5, 45PP35 |
| 80 | Common Rail Pressure Sensor | 55PP07-02, 9307z512a, 55PP0702 |
| 81 | Common Rail Pressure Sensor | 55PP11-01, 133577931, 7537319-05, 753731905 |
| 82 | Common Rail Pressure Sensor | 55PP15-04, 03C906051H, 55PP1504 |
| 83 | Common Rail Pressure Sensor | 45PP4-1, 45PP41, 45pp41 |
| 84 | Common Rail Pressure Sensor | 55PP40-01, 55PP40-01MYA, 5WS40755 |
| 85 | Common Rail Pressure Sensor | 55PP30-01, 9307Z528A, 1106970189 |
| 86 | Common Rail Pressure Sensor | 55PP16-01, 03C906051C, 03C906051D |
| 87 | Common Rail Pressure Sensor | 55PP24-02, 059130758K, 55PP2402 |
| 88 | Common Rail Pressure Sensor | 85PP42-03, 7210-0521, 72100521 |
| 89 | Common Rail Pressure Sensor | 238-0118, 5PP4-1, 2380118, 5PP41 |
| 90 | Common Rail Pressure Sensor | 55PP09-01, 059130758E, 55PP0901 |
| 91 | Common Rail Pressure Sensor | B8A5C6A7A8, 03C906051C, 03C-906-051C, 03C906051C |
| 92 | Common Rail Pressure Sensor | 55PP03-02, 55PP14-01, 9307Z511A |
| 93 | Common Rail Pressure Sensor | 85PP40-02, 85PP4002, A2C53303152-03 |
| 94 | Common Rail Pressure Sensor | 55PP04-01, 55PP0401 |
| 95 | Common Rail Pressure Sensor | 55PP03-01, 55PP0301, 55pp0301 |
| 96 | Common Rail Pressure Sensor | 55PP12-01, 059130758E, 076906051 |
| 97 | Common Rail Pressure Sensor | 85PP44-01, 03N906054, 85PP4401 |
| 98 | Common Rail Pressure Sensor | 04L906054, 04l906054, 04L906054 |
| 99 | Common Rail Pressure Sensor | 55PP02-02, 5WS40039, 55PP0202 |
| 100 | Common Rail Pressure Sensor | 55PP34-01, 55PP3401, 9670076780 |
| 101 | Common Rail Pressure Sensor | 55PP06-03, 9658227880, 55PP0603 |
| 102 | Common Rail Pressure Sensor | 45PP3-6, 45PP36, 98178706 |
| 103 | Common Rail Pressure Sensor | 55PP05-01, 45PP3-3, 45PP33, 45PP3-4, 45PP34 |
| 104 | Common Rail Pressure Sensor | 0281002921 |
| 105 | Common Rail Pressure Sensor | 0281002706 |
| 106 | Common Rail Pressure Sensor | 0281006158 |
| 107 | Common Rail Pressure Sensor | 0281002863, 314014A400, 31401-4A400 |
| 108 | Common Rail Pressure Sensor | 0281002851, BG6X9F479CA, 2T2906051B, 3974092 |
| 109 | Common Rail Pressure Sensor | 0281006425 |
| 110 | Common Rail Pressure Sensor | 0281002964 |
| 111 | Common Rail Pressure Sensor | 0281002398 |
| 112 | Common Rail Pressure Sensor | 161-1704, 1611704, 1611704 |
| 113 | Temperature Sensor | 191-6587, 1916587, 1911704 |
| 114 | Common Rail Pressure Sensor | 499000-6340, 4990006340 |
| 115 | Common Rail Pressure Sensor | 612600081585, 612600081585 |
| 116 | Common Rail Pressure Sensor | 0281002920 |
| 117 | Common Rail Pressure Sensor | 0281006047 |
| 118 | Common Rail Pressure Sensor | 0281002971 |
| 119 | Common Rail Pressure Sensor | 0281002797 |
| 120 | Common Rail Pressure Sensor | 0281002283 |
| 121 | Common Rail Pressure Sensor | 0281002700 |
| 122 | Common Rail Pressure Sensor | 0281006022 |
| 123 | Common Rail Pressure Sensor | 0281002942 |
| 124 | Common Rail Pressure Sensor | 0281006326 |
| 125 | Common Rail Pressure Sensor | 0281002719 |
| 126 | Common Rail Pressure Sensor | 3949988 |
| 127 | Common Rail Pressure Sensor | 5093112AA, 5093112aa |
| 128 | Common Rail Pressure Sensor | 499000-6240, 4990006240, 89458-20050, 8945820050 |
| 129 | Common Rail Pressure Sensor | 499000-6081, 4990006081, 89458-60010, 8945860010 |
| 130 | Common Rail Pressure Sensor | 499000-6410, 4990006410 |
| 131 | Common Rail Pressure Sensor | 499000-6460, 4990006460, 89458-60021, 8945860021 |
| 132 | Common Rail Pressure Sensor | 499000-6141, 4990006141, RE520930 |
| 133 | Common Rail Pressure Sensor | 499000-6121, 4990006121, 89458-71010, 8945871010 |
| 134 | Common Rail Pressure Sensor | 499000-6211, 4990006211 |
| 135 | Common Rail Pressure Sensor | 499000-6260, 4990006260 |
| 136 | Common Rail Pressure Sensor | 499000-6310, 4990006310 |
| 137 | Common Rail Pressure Sensor | 499000-6370, 4990006370 |
| 138 | Common Rail Pressure Sensor | 499000-6320, 4990006320 |
| 139 | Common Rail Pressure Sensor | 499000-6131, 4990006131 |
| 140 | Common Rail Pressure Sensor | 55PP32-01, 55PP3201 |
| 141 | Common Rail Pressure Sensor | 5PP5-3, 4954245 |
| 142 | Common Rail Pressure Sensor | 3PP6-12, 3PP612 |
| 143 | Manifold Absolute Pressure MAP Sensor | 0281002576, 612630120004 |
| 144 | Intake Manifold Absolute Pressure MAP Sensor | 0281002437 |
| 145 | Manifold Absolute Pressure MAP Sensor | 0261230133, 0261230133 |
| 146 | Intake Manifold Absolute Pressure MAP Sensor | 3602105A98D, 3602105a98d |
| 147 | Manifold Absolute Pressure MAP Sensor | 8-98009418-0, 8980094180 |
| 148 | Intake Manifold Absolute Pressure MAP Sensor | 0281006102 |
| 149 | Intake Manifold Absolute Pressure MAP Sensor | 0281006076 |
| 150 | Intake Manifold Absolute Pressure MAP Sensor | 0281002514 |
| 151 | Intake Manifold Absolute Pressure MAP Sensor | 39200-42030WM, 9490930503, 3920042030WM |
| 152 | Intake Manifold Absolute Pressure MAP Sensor | 079800-9060, 0798005580, 0798007800 |
| 153 | Intake Manifold Absolute Pressure MAP Sensor | 0281002655, 1789364, 1697325, 4214999 |
| 154 | Intake Manifold Absolute Pressure MAP Sensor | 0281002244, 41531828 |
| 155 | Intake Manifold Absolute Pressure MAP Sensor | 0281002316 |
| 156 | Intake Manifold Absolute Pressure MAP Sensor | 360214-621-000, VG1557090012, R161540090007 |
| 157 | Intake Manifold Absolute Pressure MAP Sensor | 893901080A, 89390-1080A, 079800-5890 |
| 158 | Intake Manifold Absolute Pressure MAP Sensor | 4921322, 5WK96801, 5wk96801 |
| 159 | Intake Manifold Absolute Pressure MAP Sensor | 2897333, 4903286, A2C84260200 |
| 160 | Intake Manifold Absolute Pressure MAP Sensor | 2897332, A2C53440253, A2c53440253 |
| 161 | Intake Manifold Absolute Pressure MAP Sensor | 2897334, 4921324, A2C53440255 |
| 162 | Intake Manifold Absolute Pressure MAP Sensor | J5700-3823140, A2C90896000, J57003823140 |
| 163 | Intake Manifold Absolute Pressure MAP Sensor | A2C53326771, A2c53326771 |
| 164 | Intake Manifold Absolute Pressure MAP Sensor | A2C90896500, VG1099090112, A2c90896500 |
| 165 | Intake Manifold Absolute Pressure MAP Sensor | 3602105-60D, 360210560D |
| 166 | Intake Manifold Absolute Pressure MAP Sensor | 2897331, 4076493, A2C86289900 |
| 167 | Intake Manifold Absolute Pressure MAP Sensor | 28139775, 1008070TAR-00, 1008070TAR00 |
| 168 | Intake Manifold Absolute Pressure MAP Sensor | 0261230255, 0261230255 |
| 169 | Intake Manifold Absolute Pressure MAP Sensor | 28086011, 12232201 |
| 170 | Crankshaft Position Sensor | 0281002315, 612630030007, 200V27421-0229, 3602120-55D |
| 171 | Mass Air Flow Meter Sensor | 0281006026 |
| 172 | Mass Air Flow Meter Sensor | 0281006042, 0281002947 |
| 173 | Mass Air Flow Meter Sensor | 0281002900, 3612300-E06, 3612300-e06 |
| 174 | Mass Air Flow Meter MAF Sensor | 1109270-PA11A, 1109270-PA11, 1109270PA11 |
| 175 | Mass Air Flow Meter MAF Sensor | 0281006277, FG200-3823540 |
| 176 | Mass Air Flow Meter MAF Sensor | 0281002923, 0281006030, 3612300-E06 |
| 177 | Mass Air Flow Meter MAF Sensor | 0281006387, 0281002764, 0281006071 |
| 178 | Mass Air Flow Meter Sensor | 0281006202, 314405866 |
| 179 | Mass Air Flow Meter MAF Sensor | 0281002951, 1109320LF |
| 180 | Mass Air Flow Meter MAF Sensor | 0281002918, 43002038F |
| 181 | Mass Air Flow Meter MAF Sensor | 0281006258, 314990379 |
