卡特彼勒 Caterpillar 374D L 液压挖掘机官方零件手册（含 C15 发动机）完整维修配件目录
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设备与文件基本信息
设备型号：Caterpillar 374D L 液压挖掘机
发动机型号：C15（发动机序列号 LHX19430-UP）
产品识别号（PIN）：PAS1-UP（具体以铭牌为准）
文件名称：卡特彼勒Caterpillar 374D L液压挖掘机官方零件手册 含C15发动机型号 完整维修配件目录
文件编号：SEBP5244
文件内容：涵盖发动机、电器系统、燃油系统、液压系统、底盘、工作装置等所有零部件零件号与名称，是维修保养、配件采购的权威依据。
适用搜索：卡特374D零件图册、C15发动机大修件、374D电器件零件号、374D液压泵零件号、卡特彼勒维修手册、工程机械配件目录。
电器件（传感器、电磁阀、继电器、线束等）
以下为文件内提取的电器件相关产品名称与零件号，完整列表请查阅图册。
| 零件号 | 产品名称 | 备注/页码 |
|---|---|---|
| 239-2395 | SENSOR GP-PRESSURE (大气压力传感器) | P229 |
| 239-2396 | SENSOR GP-PRESSURE (发动机机油压力传感器) | P230 |
| 239-5674 | SENSOR GP-PRESSURE (进气歧管压力传感器) | P232 |
| 239-3478 | SENSOR GP-PRESSURE (压力传感器) | P231 |
| 194-6722 | SENSOR GP-PRESSURE (压力传感器) | P227 |
| 194-6725 | SENSOR GP-PRESSURE (发动机机油压力传感器) | P228 |
| 274-7395 | SENSOR GP-TEMPERATURE (进气温度传感器) | P239 |
| 274-7396 | SENSOR GP-TEMPERATURE (水温传感器) | P240 |
| 264-4297 | SENSOR GP-TEMPERATURE (温度传感器) | P239, P240 |
| 214-2484 | SENSOR GP-SPEED (曲轴转速传感器) | P237 |
| 239-5928 | SENSOR GP-SPEED (凸轮轴转速传感器) | P238 |
| 171-8963 | SENSOR GP-SPEED (转速传感器) | P233 |
| 189-5746 | SENSOR GP-SPEED (磁性低输出转速传感器) | P235 |
| 201-6617 | SENSOR GP-SPEED (速度传感器) | P236 |
| 221-8859 | SENSOR AS-PRESSURE (压力传感器) | P481, P510, P525 |
| 260-2180 | SENSOR AS-PRESSURE (主液压泵压力传感器) | P525 |
| 169-0417 | SENSOR GP-POSITION (动臂位置传感器) | P226 |
| 300-8783 | SENSOR GP-POSITION (位置传感器) | P429 |
| 342-2924 | SENDER AS-TEMPERATURE (液压油温度传感器) | P604 |
| 341-1842 | SENDER AS-FUEL LEVEL (燃油液位传感器) | P149 |
| 178-2345 | SENSOR GP-LIQUID LEVEL (燃油含水传感器) | P224 |
| 310-9563 | SENSOR GP-LIQUID LEVEL (液位传感器) | P225 |
| 213-0677 | SWITCH AS-LIQUID LEVEL (低液压油位开关) | P604 |
| 312-2645 | SWITCH AS-LIQUID LEVEL (燃油箱切断开关) | P144 |
| 171-3685 | VALVE GP-SOLENOID (24V电磁阀) | P690 |
| 121-1491 | VALVE GP-SOLENOID (电磁阀) | P687 |
| 242-6880 | VALVE GP-SOLENOID (反转风扇电磁阀) | P691 |
| 111-9916 | VALVE GP-SOLENOID (动臂浮动电磁阀) | P686 |
| 137-3713 | VALVE GP-SOLENOID (回转驻车制动电磁阀) | P688 |
| 171-0028 | VALVE GP-SOLENOID (斗杆下降控制电磁阀) | P689 |
| 156-2829 | SOLENOID GP (电磁阀) | P242 |
| 125-1302 | SWITCH GP-MAGNETIC (启动继电器) | P253 |
| 213-0772 | SWITCH AS-MAGNETIC (主继电器) | P212 |
| 149-5050 | RELAY (24V继电器) | P212 |
| 161-3128 | RELAY (24V继电器) | P212 |
| 196-1666 | RELAY (压缩机离合器继电器) | P919 |
| 239-5929 | HARNESS AS-ENGINE (发动机线束) | P299 |
| 350-8248 | HARNESS AS-CAB (驾驶室线束) | P269 |
| 342-2873 | HARNESS AS-CHASSIS (底盘线束) | P278 |
| 342-2892 | HARNESS AS-CONTROL (控制线束) | P283 |
| 306-8534 | HARNESS AS-CONSOLE (操纵台线束) | P288 |
| 342-2886 | HARNESS AS-PLATFORM (平台线束) | P307 |
| 306-8571 | HARNESS AS-LIGHTING (照明线束) | P200 |
| 251-0578 | HARNESS AS-LIGHTING (照明线束) | P193 |
| 238-1595 | HARNESS AS-SWITCH (开关线束) | P256 |
| 342-2934 | HARNESS AS-WIRING (摄像头线束) | P306 |
| 342-2935 | HARNESS AS-WIRING (监视器线束) | P306 |
| 239-1134 | VALVE GP-ETHER STARTING (乙醚启动阀) | P263 |
| 358-4889 | FILTER (ETHER START) (乙醚启动过滤器) | P263 |
| 327-7482 | MONITOR GP-OPERATOR (操作员监视器) | P932 |
| 349-5410 | SOFTWARE GP-MONITOR (监视器软件) | P179 |
| 336-6684 | CAMERA GP (摄像头) | P173 |
| 313-7833 | CAMERA & MOUNTING GP (摄像头及安装组) | P170 |
| 132-1829 | ALARM GP (故障报警器) | P152 |
| 231-1771 | ALARM GP-TRAVEL-BACKUP (倒车报警器) | P153 |
| 213-9100 | ALARM GP (倒车报警器) | P153 |
| 177-9953 | ALTERNATOR GP-CHARGING (充电发电机) | P154 |
| 235-2471 | ALTERNATOR GP-CHARGING (充电发电机) | P156 |
| 272-7123 | STARTING MOTOR GP-ELECTRIC (启动马达) | P247 |
| 273-1682 | STARTING MOTOR GP-ELECTRIC (启动马达) | P250 |
| 331-6081 | STARTING MOTOR GP-ELECTRIC (启动马达) | P251 |
| 153-5710 | BATTERY (12V, 1400CCA) (蓄电池) | P157 |
| 171-2212 | CIRCUIT BREAKER AS (105A断路器) | P212 |
| 171-2210 | CIRCUIT BREAKER AS (80A断路器) | P212 |
| 113-8490 | FUSE (10A保险丝) | P212 |
| 113-8491 | FUSE (15A保险丝) | P212 |
| 124-3548 | FUSE (30A保险丝) | P212 |
| 141-2759 | FUSE (5A保险丝) | P212 |
| 7N-0719 | SWITCH GP-DISCONNECT (电池断电开关) | P252 |
| 9G-7641 | SWITCH GP-START (启动钥匙开关) | P259 |
| 319-4420 | SWITCH GP-ROTARY (油门位置旋转开关) | P258 |
| 234-6613 | SWITCH GP-POSITION (液压锁止位置开关) | P254 |
| 111-4799 | SWITCH AS-LIMIT (空档启动限位开关) | P254 |
| 258-0883 | SWITCH GP-PRESSURE (燃油压力开关) | P255 |
| 238-1594 | SWITCH GP-PUSH BUTTON (加油泵启动按钮) | P256 |
| 238-1596 | SWITCH GP-PUSH BUTTON (加油泵停止按钮) | P257 |
| 165-5970 | SWITCH GP-TOGGLE (燃油泵开关) | P260 |
| 170-2512 | SWITCH GP-TOGGLE (二次熄火开关) | P261 |
| 238-2478 | SWITCH GP-TOGGLE (快换装置开关) | P262 |
| 7N-2353 | SWITCH AS-TOGGLE (快换装置开关) | P262 |
| 171-7085 | SWITCH AS-LIMIT (流量指示限位开关) | P660, P661 |
| 328-0028 | SWITCH AS-ROCKER (过载警告翘板开关) | P274 |
| 238-2214 | SWITCH AS-ROCKER (动臂浮动翘板开关) | P274 |
| 238-2211 | SWITCH AS-ROCKER (加热座椅翘板开关) | P953 |
| 238-2216 | SWITCH AS-ROCKER (收音机静音翘板开关) | P921 |
| 222-0225 | SWITCH AS-PUSH BUTTON (喇叭按钮) | P884, P885 |
| 227-7569 | SENSOR GP-POSITION (操纵杆位置传感器) | P880 |
| 270-5620 | CONTROL GP-JOYSTICK (操纵杆控制) | P878, P879 |
| 247-2693 | RECEPTACLE AS-CONNECTOR (6针插座) | P886, P888, P889 |
| 243-4505 | RECEPTACLE AS-CONNECTOR (2针插座) | P193, P256 |
| 102-8802 | KIT-RECEPTACLE (2针插座套件) | P212, P235 |
| 102-8803 | KIT-RECEPTACLE (3针插座套件) | P226, P254 |
| 102-8805 | KIT-RECEPTACLE (6针插座套件) | P261 |
| 155-2270 | KIT-CONNECTING PLUG (2针插头套件) | P157, P200 |
| 155-2260 | KIT-CONNECTING PLUG (3针插头套件) | P213, P227 |
| 9X-3401 | PIN-CONNECTOR (16-18GA插针) | P130, P157 |
| 8T-8730 | SOCKET-CONNECTOR (16-18GA插孔) | P158, P213 |
发动机四配套及大修相关零件
以下为C15发动机大修相关核心零件（缸套、活塞、活塞环、活塞销、缸垫、大修包等）及零件号。
| 零件号 | 产品名称 | 备注/页码 |
|---|---|---|
| 197-9322 | LINER-CYLINDER (缸套) | P26 |
| 229-2863 | PISTON & ROD GP (活塞连杆组) | P61 |
| 229-6259 | PISTON AS (活塞) | P61 |
| 232-3235 | RING-PISTON (活塞环) | P61 |
| 232-3236 | RING-PISTON (活塞环) | P61 |
| 224-3246 | PIN-PISTON (活塞销) | P61 |
| 224-3245 | RETAINER-PIN (活塞销卡环) | P61 |
| 224-5122 | GASKET (CYLINDER HEAD) (缸垫) | P33 |
| 274-1953 | CYLINDER HEAD GP (缸头总成) | P33 |
| 263-5055 | CYLINDER HEAD GP (缸头总成) | P31 |
| 223-9252 | CYLINDER BLOCK GP (缸体) | P27 |
| 267-4632 | CYLINDER BLOCK AS (缸体总成) | P26 |
| 223-9731 | CRANKSHAFT GP (曲轴) | P24 |
| 4W-5698 | BEARING-MAIN (0.63MM US) (主轴瓦) | P24 |
| 4W-5699 | BEARING-MAIN (1.27MM US) (主轴瓦) | P24 |
| 4W-5700 | BEARING-MAIN (0.63MM OS) (主轴瓦) | P24 |
| 4W-5701 | BEARING-MAIN (0.63MM US-0.63MM OS) (主轴瓦) | P24 |
| 243-6718 | KIT-CRANKSHAFT BEARING (曲轴瓦套件) | P24 |
| 234-7935 | CAMSHAFT GP (凸轮轴) | P14 |
| 102-5861 | SEAL-0-RING (O型圈) | P14 |
| 102-9089 | COVER (凸轮轴盖) | P14 |
| 4P-6846 | FASTENER GP-FRONT HOUSING (前壳紧固件) | P38 |
| 241-0164 | HOUSING GP-FRONT (前壳总成) | P47 |
| 7E-8996 | HOUSING GP-FLYWHEEL (飞轮壳) | P46 |
| 194-7097 | FLYWHEEL GP (飞轮) | P40 |
| 4N-2514 | GEAR (113 TEETH) (飞轮齿圈) | P40 |
| 208-9490 | GEAR GP-FRONT (前齿轮组) | P42 |
| 4P-9823 | GEAR GP-REAR (后齿轮组) | P44 |
| 271-5761 | PAN GP-OIL (油底壳) | P57 |
| 109-5839 | PLUG-DRAIN (放油螺塞) | P57 |
| 221-7630 | FILTER GP-ENGINE OIL (机油滤清器总成) | P80 |
| 1R-1808 | FILTER-ENGINE OIL (Advanced Efficiency) (机油滤芯) | P80 |
| 198-1508 | PUMP GP-ENGINE OIL (机油泵) | P91 |
| 160-6894 | LINES GP-ENGINE OIL (机油管路) | P85 |
| 220-3490 | LINES GP-TURBOCHARGER OIL (涡轮增压器油管) | P88 |
| 262-2943 | TURBOCHARGER GP (涡轮增压器) | P127 |
| 332-3936 | TURBOCHARGER GP (涡轮增压器) | P128 |
| 240-7359 | CARTRIDGE GP-TURBOCHARGER (涡轮增压器芯) | P128 |
| 228-4224 | LINES GP-WATER (水管路) | P98 |
| 224-3239 | PUMP GP-WATER (水泵) | P100 |
| 280-8039 | PUMP GP-WATER (水泵) | P101 |
| 248-5513 | REGULATOR-TEMPERATURE (节温器) | P98 |
| 3S-9643 | SEAL-LIP TYPE (温度调节器壳体油封) | P98 |
| 344-0694 | RADIATOR & AFTERCOOLER GP (散热器及中冷器总成) | P104 |
| 281-3538 | RADIATOR & HYD OIL COOLER GP (散热器及液压油冷却器总成) | P106 |
| 204-0920 | CAP AS (COOLANT FILL) (水箱盖) | P104 |
| 230-2829 | HOSE-RADIATOR (LOWER) (下水管) | P104 |
| 245-9351 | HOSE-RADIATOR (UPPER) (上水管) | P104 |
| 242-9537 | SEAL-VALVE COVER (气门室罩盖垫) | P20, P21, P22 |
| 150-3135 | COVER GP-VALVE MECHANISM (气门机构罩盖) | P20 |
| 150-3139 | COVER GP-VALVE MECHANISM (气门机构罩盖) | P21 |
| 160-7452 | COVER GP-VALVE MECHANISM (气门机构罩盖) | P22 |
| 2W-6225 | CAP AS-OIL FILLER (机油加注盖) | P21 |
| 235-5941 | PLUG GP-ENGINE (发动机堵头) | P67 |
| 282-3645 | PLUG GP-CYLINDER HEAD (缸头堵头) | P66 |
| 305-9196 | PLUG GP-CYLINDER BLOCK (缸体堵头) | P65 |
| 4P-9823 | GEAR GP-REAR (后齿轮组) | P44 |
油泵油嘴相关零件
以下为燃油系统核心零件：喷油器、燃油泵、输油泵、手油泵、滤清器等。
| 零件号 | 产品名称 | 备注/页码 |
|---|---|---|
| 253-0615 | INJECTOR GP-FUEL (喷油器) | P141 |
| 235-1401 | PUMP GP-FUEL INJECTION (喷油泵) | P141 |
| 100-4265 | PUMP GP-FUEL TRANSFER (输油泵) | P143 |
| 190-8970 | PUMP AS-FUEL PRIMING (手油泵) | P142 |
| 312-2617 | PUMP GP-FUEL PRM & PRIM FILTER (手油泵及滤清器总成) | P142 |
| 326-1643 | FILTER AS-WATER SEP & FUEL (油水分离器) | P132 |
| 1R-0755 | FILTER-FUEL (Advanced Efficiency) (燃油滤芯) | P130 |
| 212-9580 | FILTER GP-WATER SEP & FUEL (油水分离器总成) | P132 |
| 324-4065 | FILTER GP-SECONDARY FUEL (二级燃油滤清器总成) | P130 |
| 193-7404 | MANIFOLD GP-FUEL (燃油歧管) | P139 |
| 246-4620 | LINES GP-FUEL (燃油管路) | P133 |
| 235-6387 | REGULATOR GP-FUEL PRESSURE (燃油压力调节器) | P147 |
| 281-2725 | VALVE GP-CHECK-FUEL (燃油单向阀) | P151 |
| 313-8266 | TANK & MTG GP-FUEL (燃油箱及安装组) | P148 |
| 313-8085 | TANK GP-FUEL (燃油箱) | P149 |
| 7X-7700 | CAP AS-FILLER (FUEL TANK) (燃油箱盖) | P149 |
| 229-1860 | STRAINER AS-FUEL (燃油粗滤器) | P144 |
| 303-9933 | STRAINER AS-FUEL (FLOAT GAUGE) (燃油滤网) | P149 |
| 228-8094 | PUMP GP-FUEL TRANSFER (输油泵总成) | P144 |
| 165-4962 | PUMP & MOTOR GP-REFUELING (加油泵及马达总成) | P140 |
| 228-8097 | PLATE & FILM GP-BIODEGRADABLE HYDRAULIC OIL (可降解液压油标牌) | P1003 |
液压相关零件（油缸、泵、阀、马达、管路等）
以下为液压系统核心部件：主泵、回转马达、行走马达、控制阀、油缸、蓄能器、滤清器等。
| 零件号 | 产品名称 | 备注/页码 |
|---|---|---|
| 295-9676 | PUMP GP-MAIN HYDRAULIC (主液压泵) | P587 |
| 295-9677 | PUMP GP-PISTON (SWING) (回转泵) | P592 |
| 247-8968 | PUMP GP-PISTON (HYDRAULIC FAN) (风扇泵) | P590 |
| 155-9222 | PUMP GP-GEAR (PILOT) (先导齿轮泵) | P585 |
| 155-9224 | PUMP GP-GEAR (齿轮泵) | P586 |
| 267-6933 | DRIVE GP-SWING (WITH MOTOR, RH) (回转驱动总成-右) | P437 |
| 296-6145 | DRIVE GP-SWING (WITH MOTOR, LH) (回转驱动总成-左) | P438 |
| 296-6146 | DRIVE GP-SWING (WITHOUT MOTOR, RH) (回转驱动-右) | P439 |
| 296-6147 | DRIVE GP-SWING (WITHOUT MOTOR, LH) (回转驱动-左) | P442 |
| 315-4480 | MOTOR & MTG GP-TRAVEL (行走马达及安装组) | P569 |
| 228-3238 | MOTOR GP-PISTON (TRAVEL) (行走马达) | P570 |
| 295-9414 | MOTOR GP-PISTON (SWING, LH) (回转马达-左) | P573 |
| 295-9416 | MOTOR GP-PISTON (SWING, RH) (回转马达-右) | P574 |
| 311-9550 | MOTOR GP-PISTON (HYDRAULIC FAN) (风扇马达) | P575 |
| 326-4439 | MOTOR GP-PISTON (FAN) (风扇马达) | P577 |
| 323-7782 | VALVE GP-MAIN CONTROL (主控制阀) | P653 |
| 323-7784 | VALVE GP-MAIN CONTROL (主控制阀) | P655 |
| 295-7734 | VALVE GP-CONTROL (STICK, TRAVEL) (控制阀-斗杆/行走) | P629 |
| 295-7735 | VALVE GP-CONTROL (BOOM, BUCKET, WORK TOOL) (控制阀-动臂/铲斗/工作装置) | P633 |
| 144-7087 | VALVE GP-CONTROL (NEUTRAL BYPASS) (中位旁通阀) | P618 |
| 353-6907 | CYLINDER GP-BOOM (动臂油缸) | P425 |
| 353-6439 | CYLINDER GP-BUCKET (铲斗油缸) | P427 |
| 353-6837 | CYLINDER GP-BUCKET (铲斗油缸) | P429 |
| 353-6904 | CYLINDER GP-BUCKET (铲斗油缸) | P431 |
| 353-5691 | CYLINDER GP-STICK (斗杆油缸) | P434 |
| 169-0776 | CYLINDER GP-COUPLER (快换装置油缸) | P433 |
| 225-4646 | KIT-SEAL (BOOM CYLINDER) (动臂油缸密封包) | P425 |
| 215-9999 | KIT-SEAL (STICK CYLINDER) (斗杆油缸密封包) | P434 |
| 160-4138 | ACCUMULATOR & MTG GP-HYDRAULIC (蓄能器及安装组) | P403 |
| 297-0680 | ACCUMULATOR GP-CHARGED (充气蓄能器) | P404 |
| 310-0018 | ACCUMULATOR GP-HYDRAULIC-UNCHARGED (未充气蓄能器) | P405 |
| 188-4142 | FILTER GP-OIL (HYDRAULIC RETURN) (液压回油滤清器总成) | P451 |
| 179-9806 | FILTER ELEMENT AS-OIL (ULTRA HIGH EFFICIENCY) (液压回油滤芯) | P451 |
| 234-4531 | FILTER GP-OIL (HYDRAULIC) (液压滤清器总成) | P453 |
| 242-6878 | FILTER GP-OIL (HYDRAULIC) (液压滤清器总成) | P455 |
| 250-0729 | FILTER GP-OIL (HYDRAULIC) (液压滤清器总成) | P457 |
| 146-9290 | FILTER ELEMENT-OIL (ULTRA HIGH EFFICIENCY) (液压滤芯) | P457 |
| 227-0410 | TANK & FILTER GP-HYDRAULIC (液压油箱及滤清器总成) | P604 |
| 227-0409 | TANK & MTG GP-HYDRAULIC (液压油箱及安装组) | P607 |
| 234-4445 | SCREEN GP-HYDRAULIC (TANK) (液压油箱滤网) | P602 |
| 295-9595 | SWIVEL GP (中心回转接头) | P603 |
| 222-8375 | COUPLING GP-FLEXIBLE (柔性联轴器) | P416 |
| 222-8350 | COUPLING GP-PUMP (泵联轴器) | P417 |
| 296-7095 | LINES GP-PILOT (先导管路) | P524 |
| 338-6176 | LINES GP-FRONT (前部管路) | P510 |
| 338-6177 | LINES GP-PUMP (SUPPLY) (泵供油管路) | P537 |
| 302-3060 | LINES GP-RETURN & FILTER (回油及滤清器管路) | P541 |
| 319-9995 | LINES GP-SWING MOTOR (回转马达管路) | P554 |
| 338-6178 | LINES GP-TRAVEL MOTOR (行走马达管路) | P556 |
| 143-8067 | VALVE GP-TRAVEL COUNTERBALANCE (行走平衡阀) | P694 |
| 315-4394 | VALVE GP-SWING CUSHION (回转缓冲阀) | P693 |
| 263-4918 | VALVE GP-LOAD CONTROL (BOOM CYLINDER) (动臂油缸负载控制阀) | P644 |
| 270-5803 | VALVE GP-LOAD CONTROL (BOOM LOWERING, REGENERATION) (动臂下降/再生负载控制阀) | P647 |
| 270-5804 | VALVE GP-LOAD CONTROL (DRIFT REDUCTION, VAR ADJ BOOM) (防漂移负载控制阀) | P650 |
其他热门搜索产品（底盘件、工作装置、驾驶室等）
| 零件号 | 产品名称 | 备注/页码 |
|---|---|---|
| 294-3060 | LINK AS-TRACK (履带链节总成) | P390 |
| 245-3805 | BUSHING-TRACK (履带衬套) | P390 |
| 294-3061 | PIN-TRACK (履带销) | P390 |
| 178-7288 | ROLLER GP-TRACK-SINGLE FLANGE (单边支重轮) | P395 |
| 179-2348 | ROLLER GP-TRACK-DOUBLE FLANGE (双边支重轮) | P394 |
| 300-4611 | ROLLER GP-TRACK CARRIER (托链轮) | P393 |
| 297-9174 | IDLER GP-FRONT (HEAVY-DUTY) (引导轮总成-重载) | P387 |
| 340-8250 | IDLER GP-FRONT (引导轮总成) | P389 |
| 297-9176 | SPRING GP-RECOIL (张紧弹簧总成) | P397 |
| 136-2461 | SPROCKET GP (驱动轮总成) | P320 |
| 141-9655 | SPROCKET (驱动轮) | P320 |
| 298-6017 | TRACK GP (2-REQUIRED) (履带总成) | P398 |
| 301-2302 | TRACK GP (2-REQUIRED) (履带总成) | P399 |
| 301-2304 | TRACK GP (2-REQUIRED, EXTREME SERVICE) (履带总成-极重型) | P400 |
| 301-2308 | TRACK GP (2-REQUIRED) (履带总成) | P401 |
| 340-4028 | TRACK GP (2-REQUIRED, EXTREME SERVICE) (履带总成-极重型) | P402 |
| 302-8996 | BUCKET AS-EXCAVATION (WB-FAMILY) (挖掘铲斗总成) | P766 |
| 343-2264 | BUCKET AS-EXCAVATION (VB-FAMILY) (挖掘铲斗总成) | P767 |
| 331-1290 | BUCKET AS-EXTREME EXCAVATION (WB-FAMILY) (极重型挖掘铲斗总成) | P768 |
| 340-9238 | BUCKET AS-GENERAL PURPOSE (VB-FAMILY) (通用铲斗总成) | P780 |
| 340-9239 | BUCKET AS-GENERAL PURPOSE (VB-FAMILY) (通用铲斗总成) | P781 |
| 331-1292 | BUCKET AS-HEAVY DUTY (VB-FAMILY) (重型铲斗总成) | P787 |
| 343-2265 | BUCKET AS-HEAVY DUTY (VB-FAMILY) (重型铲斗总成) | P788 |
| 331-1291 | BUCKET AS-ROCK (WB-FAMILY) (岩石铲斗总成) | P792 |
| 329-2030 | BUCKET AS-SEVERE SERVICE ROCK (QUICK COUPLER) (极重岩石铲斗总成-快换) | P793 |
| 329-2031 | BUCKET AS-SEVERE SERVICE ROCK (QUICK COUPLER) (极重岩石铲斗总成-快换) | P794 |
| 337-3427 | BUCKET AS-SEVERE SERVICE ROCK (VB-FAMILY) (极重岩石铲斗总成) | P795 |
| 343-5892 | BUCKET AS-SEVERE SERVICE ROCK (VB-FAMILY) (极重岩石铲斗总成) | P796 |
| 169-0762 | LOCK GP-QUICK COUPLER (HYDRAULIC) (快换装置锁止总成) | P808 |
| 231-7732 | COUPLER AR-QUICK (HYDRAULIC) (液压快换装置总成) | P802 |
| 233-0758 | COUPLER AR-QUICK (HYDRAULIC) (液压快换装置总成) | P803 |
| 330-8139 | COUPLER AR-QUICK (HYDRAULIC) (液压快换装置总成) | P804 |
| 330-8140 | COUPLER AR-QUICK (HYDRAULIC) (液压快换装置总成) | P805 |
| 173-9958 | HOOK GP-LIFTING (20吨起吊钩总成) | P807 |
| 235-5634 | YOKE GP-LIFTING (起吊轭架总成) | P846 |
| 244-5818 | RIPPER GP (松土器总成) | P813 |
| 277-5814 | SIDECUTTER GP (侧刃总成) | P814 |
| 309-1080 | SIDECUTTER GP (侧刃总成) | P815 |
| 309-1081 | SIDECUTTER GP (侧刃总成) | P816 |
| 6I-6603 | TIP-ABRASION (J-600) (耐磨斗齿) | P818 |
| 229-7156 | TIP-ABRASION (K-150, HEAVY-DUTY) (耐磨斗齿) | P820 |
| 232-2178 | TIP-ABRASION (K-170, HEAVY-DUTY) (耐磨斗齿) | P821 |
| 229-7151 | TIP-BUCKET (K-150, HEAVY-DUTY) (铲斗齿) | P822 |
| 229-7158 | TIP GP-DOUBLE SPIKE (K-150) (双尖齿) | P823 |
| 232-0178 | TIP-DOUBLE SPIKE (K-170) (双尖齿) | P824 |
| 264-2171 | TIP-EXTRA-DUTY (K-170) (特重型斗齿) | P825 |
| 229-7159 | TIP GP-GENERAL PURPOSE (K-150) (通用斗齿) | P826 |
| 232-0179 | TIP-GENERAL PURPOSE (K-170) (通用斗齿) | P827 |
| 264-2172 | TIP-HEAVY PENETRATION (K-170) (重型穿透斗齿) | P828 |
| 6I-6602 | TIP-LONG (J-600) (长斗齿) | P829 |
| 7Y-0602 | TIP-LONG (HEAVY-DUTY) (J-600) (重型长斗齿) | P830 |
| 7I-7609 | TIP-PENETRATION (J-600) (穿透斗齿) | P832 |
| 229-7152 | TIP-PENETRATION (K-150) (穿透斗齿) | P833 |
| 232-0172 | TIP-PENETRATION (K-170) (穿透斗齿) | P834 |
| 159-0607 | TIP-PENETRATION (J-600) (穿透斗齿) | P835 |
| 229-7153 | TIP-PENETRATION PLUS (K-150) (增强穿透斗齿) | P836 |
| 232-0173 | TIP-PENETRATION PLUS (K-170) (增强穿透斗齿) | P837 |
| 6I-6601 | TIP-SHORT (J-600) (短斗齿) | P838 |
| 229-7157 | TIP-SPIKE (K-150) (尖齿) | P841 |
| 232-0177 | TIP-SPIKE (K-170, WITH LIFTING EYE) (尖齿-带吊环) | P842 |
| 222-7603 | TIP-TWIN SHARP (J-600) (双尖齿) | P843 |
| 195-5151 | TIP-WIDE (K-150, INCLUDES LIFTING EYE) (宽斗齿) | P844 |
| 223-8170 | TIP-WIDE (K-170) (宽斗齿) | P845 |
| 237-3567 | CAB GP-EXTERIOR (驾驶室外壳总成) | P859 |
| 308-7020 | CAB AR (驾驶室总成) | P855 |
| 308-7021 | CAB AR (驾驶室总成) | P856 |
| 308-7022 | CAB AR (驾驶室总成) | P858 |
| 245-7812 | HOUSING GP-AIR CONDITIONER (INLET AIR) (空调进气壳体) | P919 |
| 316-8917 | AIR CONDITIONER GP (空调总成) | P850 |
| 245-7836 | COIL GP-EVAPORATOR (蒸发器盘管) | P863 |
| 353-2151 | COIL GP-EVAPORATOR (蒸发器盘管) | P865 |
| 275-6470 | COMPRESSOR & MTG GP-REFRIG (空调压缩机及安装组) | P867 |
| 334-6571 | CONDENSER GP-REFRIGERANT (冷凝器总成) | P870 |
| 184-7621 | SCREEN GP-SUN (遮阳帘总成) | P951 |
| 327-6501 | SEAT & MOUNTING GP (HIGH BACK, TILT) (高背可调座椅及安装组) | P952 |
| 327-6503 | SEAT & MOUNTING GP (HIGH BACK, WITH HEATER) (高背加热座椅及安装组) | P953 |
| 305-0466 | SEAT BELT GP (RETRACTABLE, 76-MM) (可伸缩安全带) | P954 |
| 305-0467 | SEAT BELT GP (RETRACTABLE, 43-MM) (可伸缩安全带) | P955 |
| 327-6512 | SEAT GP (HIGH BACK, TILT) (高背可调座椅) | P956 |
| 327-6513 | SEAT GP (HIGH BACK, WITH HEATER) (高背加热座椅) | P957 |
| 327-6507 | SEAT GP-SUSPENSION (HIGH BACK, TILT) (高背可调悬挂座椅) | P958 |
| 327-6509 | SEAT GP-SUSPENSION (HIGH BACK, WITH HEATER) (高背加热悬挂座椅) | P959 |
| 327-6542 | SUPPORT GP-SEAT (座椅支架总成) | P960 |
| 327-6520 | SUSPENSION GP-SEAT (MECHANICAL) (机械悬挂总成) | P961 |
| 327-6521 | SUSPENSION GP-SEAT (AIR) (空气悬挂总成) | P962 |
| 249-2663 | TRIM GP-CAB (INTERIOR, REAR) (驾驶室内饰-后部) | P963 |
| 225-5780 | WASHER GP-WINDOW (车窗清洗器总成) | P967 |
| 249-7114 | WINDOW GP-CAB (FRONT WINDOW, 1-PIECE) (前挡风玻璃-整体式) | P969 |
| 262-7933 | WINDOW GP-CAB (HIGH RESISTANT GLASS) (高耐候玻璃) | P971 |
| 282-6532 | WINDOW GP-CAB (FRONT WINDOW, 70/30-SPLIT) (前挡风玻璃-70/30分体) | P972 |
| 282-6534 | WINDOW GP-CAB (FRONT WINDOW, 70/30-SPLIT) (前挡风玻璃-70/30分体) | P974 |
| 282-6535 | WINDOW GP-CAB (FRONT WINDOW, 70/30-SPLIT) (前挡风玻璃-70/30分体) | P976 |
| 286-8861 | WINDOW GP-DOOR (车门玻璃总成) | P981 |
| 239-3433 | WIPER GP-WINDOW (FRONT WINDOW, 1-PIECE) (前挡风玻璃雨刮器总成) | P986 |
| 247-8427 | WIPER GP-WINDOW (FRONT WINDOW, 70/30-SPLIT) (前挡风玻璃雨刮器总成) | P988 |
| 287-7534 | WIPER GP-WINDOW (FRONT WINDOW, 70/30-SPLIT) (前挡风玻璃雨刮器总成) | P990 |
| 257-4599 | FILM GP-REVERSING FAN (反转风扇警告标贴) | P991 |
| 268-6816 | FILM GP-QUICK COUPLER (快换装置标贴) | P992 |
| 303-2678 | FILM GP-OPERATOR CONTROLS, HAMMER (操作员控制标贴-破碎锤) | P993 |
| 303-2679 | FILM GP-OPERATOR CONTROLS, HAMMER (操作员控制标贴-破碎锤) | P994 |
| 303-2680 | FILM GP-ACCUMULATOR (蓄能器标贴) | P995 |
| 303-2787 | FILM GP-WORK AREA VISUAL SYSTEM, REAR (后视摄像头系统标贴) | P996 |
| 319-9228 | FILM GP (中国版标贴组) | P997 |
| 319-9236 | FILM GP-OVERLOAD WARNING DEVICE (过载警告装置标贴) | P999 |
| 319-9324 | FILM GP-OPERATOR CONTROLS, HAMMER (操作员控制标贴-破碎锤) | P1000 |
| 319-9326 | FILM GP-OPERATOR CONTROLS, HAMMER (操作员控制标贴-破碎锤) | P1001 |
| 346-4595 | FILM GP-LIFTING, READ OMM (起吊标贴) | P1002 |
| 228-8097 | PLATE & FILM GP-BIODEGRADABLE HYDRAULIC OIL (可降解液压油标牌) | P1003 |
| 294-1235 | PLATE & FILM GP (标牌及标贴组) | P1004 |
常见问题解答（用户高频搜索）
Q: 卡特彼勒374D L挖掘机零件图册在哪里可以查到？
A: 您可以通过工程机械资料库查询卡特彼勒374D L完整零件图册，包含C15发动机所有零件号。请点击 查看完整零件图册 获取官方手册。
Q: 卡特彼勒374D L的C15发动机大修需要哪些零件？
A: C15发动机大修通常需要缸套（197-9322）、活塞连杆组（229-2863）、活塞环（232-3235/232-3236）、活塞销（224-3246）、缸垫（224-5122）、主轴瓦（4W-5698等）、曲轴（223-9731）、凸轮轴（234-7935）以及大修包等。具体零件号请参考上表或点击 完整零件图册 查看。
Q: 卡特彼勒374D L的液压泵零件号是多少？
A: 卡特374D L主液压泵总成零件号为295-9676，回转泵为295-9677，风扇泵为247-8968，先导齿轮泵为155-9222。更多液压件详情请查阅 卡特374D零件图册。
Q: 卡特彼勒374D L的喷油器零件号是什么？
A: 喷油器零件号为253-0615，喷油泵零件号为235-1401，输油泵为100-4265，手油泵为190-8970。如需采购或查询更多燃油系统零件，请点击 查看完整零件图册。
Q: 哪里可以下载卡特320D零件图册？
A: 工程机械资料库提供卡特320D零件图册、沃尔沃EC300D维修手册、小松PC200-8零件图等资料查询与下载服务。欢迎 联系我们 获取。
Q: 卡特彼勒374D L的电器件传感器有哪些？
A: 包括机油压力传感器（239-2396）、水温传感器（274-7396）、转速传感器（189-5746）、位置传感器（169-0417）等，具体见上表电器件板块。完整电器件清单请查阅 卡特374D零件图册。
Q: 如何获取卡特彼勒374D L完整的维修配件目录？
A: 点击页面上的 查看完整零件图册 按钮，即可跳转至工程机械资料库获取官方零件手册SEBP5244。
品牌介绍与热门长尾词
卡特彼勒（Caterpillar） 是全球领先的工程机械、矿山设备、柴油发动机和天然气发动机制造商。卡特彼勒374D L液压挖掘机是大型矿山及土方作业的主力机型，搭载C15发动机，动力强劲、可靠性高。本零件图册（SEBP5244）是官方维修配件目录，涵盖所有系统零部件，是设备维护、大修、配件采购的必备资料。
相关长尾搜索词：
卡特374D零件图册 卡特374D维修手册 C15发动机大修件 C15四配套零件号 374D液压泵零件号 374D电器件传感器 卡特挖掘机配件目录 卡特彼勒维修资料 工程机械零件图册查询 卡特320D零件图册 沃尔沃EC300D维修手册 小松PC200-8零件图 神钢SK350维修资料 日立ZAXIS200配件目录 三一SY215零件图册 徐工XE215维修手册 柳工922E配件图册 临工LG956零件图册 龙工叉车零件图册 矿山设备维修手册 港口码头机械零件图
