| Category |
Engine Parts |
| Name |
Rubber |
| Parts No |
4197145 4405310 |
| Machine Number |
EX300-2 EX310H-3C EX345USR(LC) EX350H-5 |
| Lead time |
1-3 DAYS |
| Quality |
Brand new, OEM quality |
| MOQ |
1 PCS |
| Means of transport |
By sea/air, DHL FEDEX UPS TNT |
| Packing |
As request or standard packing |
- Key functions & working principle
| Working Principle |
1. 4197145 (Hydraulic Seal): As the hydraulic cylinder piston rod extends/retracts, the U-cup seal’s lip presses tightly against the rod surface (via hydraulic pressure and seal elasticity). This forms a barrier that blocks hydraulic oil from leaking out of the cylinder, while the backup ring prevents the seal from being pushed into the cylinder’s clearance gap under high pressure. |
| 2. 4405310 (Oil Pan Gasket): When the oil pan is bolted to the engine block, the rubber gasket compresses between the two metal surfaces. Its elasticity fills micro-gaps on the block/pan mating faces, creating a leak-proof seal that retains engine oil inside the pan (even as the engine heats up and expands). |
| 3. 4405310 (Bushing): The bushing acts as a buffer between the undercarriage linkage pin and housing. Its rubber material absorbs vibration from equipment movement, while the internal steel sleeve keeps the bushing aligned with the pin. The grooved surface retains lubricant, reducing friction and wear between moving parts. |
| Core Functions |
1. Leak Prevention: 4197145 stops hydraulic oil leaks (avoids system pressure loss and environmental contamination); 4405310 (gasket) prevents engine oil leaks (maintains proper oil levels for engine lubrication). |
| 2. Friction Reduction: 4197145 minimizes friction between the piston rod and cylinder (extends rod life); 4405310 (bushing) reduces metal-to-metal contact in undercarriage linkages (lowers maintenance costs). |
| 3. Vibration Absorption: 4405310 (bushing) dampens undercarriage vibration (improves operator comfort and protects other components from shock damage). |
| 4. Environmental Resistance: Both parts resist oil, heat, and debris (ensuring performance in dusty, high-temperature job sites). |
EXCAVATORS CX350DR CX400 CX500 CX500DR CX500S CX500W CX500W-C CX550 CX650PTR CX700 CX700 JPN EX300 EX300-2 EX300-3 EX300-3C EX300-5 EX300-5HHE EX300LC-5M EX300LCLL-5 EX300LCLL-5M EX310H-3C EX345USR(LC) EX350H-5 EX350H-5HHE EX350K-5 EX370-5M EX370HD-5 EX370LL-5M EX385USR LX80RS-2 MX5015 SCX500W SCX550 Hitachi
- More other rubber applied to HITACHI heavey machine
| 4256314 RUBBER R |
| CX650-2, EG110R, EX220-2, EX220-3, EX220-5, EX220-5 JPN, EX220-5HHE, EX230-5, EX230H-5 JPN, EX230K-5, EX230LC-5HHE, EX270-5, EX280H-5, EX300-2, EX300-3, EX300-3C, EX300LCLL-5M, EX310H-3C, EX370LL-5M, ... |
| |
| 4386693 RUBBER |
| EX300-5, EX300LC-5M, EX300LCLL-5, EX350H-5, EX350K-5, EX370-5M, EX370HD-5 |
| |
| 4405551 RUBBER |
| EX300LCLL-5M, EX370LL-5M |
| |
| 4381719 RUBBER |
| CX650PTR |
| |
| 4386794 RUBBER |
| EX345USR(LC), EX385USR |
| |
| 4398582 RUBBER |
| EX300LCLL-5M, EX370LL-5M |
| |
| 4398598 RUBBER |
| EX300LCLL-5M, EX370LL-5M |
| |
| 4389698 RUBBER |
| EX300-5, EX300LC-5M, EX300LCLL-5, EX345USR(LC), EX350H-5, EX350K-5, EX370-5M, EX370HD-5, EX385USR |
| |
| 4398799 RUBBER |
| CX650PTR |
| |
| 3073202 RUBBER |
| LX80RS-2 |
| |
| BKR0473 RUBBER;GROMMET |
| SCX500W |
| |
| 4335348 RUBBER |
| EX300-2 |
| |
| 4186256 RUBBER |
| EX1800, EX3500 |
| |
| 4164539 RUBBER |
| EX1000, UH501 |
| |
| 4164104 RUBBER;CUSHION |
| UH063SS |
| |
| 4163705 RUBBER |
| UH063SS |
| |
| 4138139 RUBBER |
| UH261 |
| |
| 4101510 RUBBER |
| UH02, UH031, UH031M, UH052, UH052M, UH062, UH071, UH081, UH101, UH121, UH123 |
| |
| 4332877 RUBBER |
| EX55UR |
| |
| 4311428 RUBBER |
| EX100-2, EX100M-2, EX120-2, EX120K-2, EX200-2, EX200-3E, EX200K-2, EX220-2, EX60-3, EX60LCT-3 |
| |
| 4307699 RUBBER |
| EX12, EX12-2, EX15, EX15-2, EX18-2, EX22, EX22-2, EX25, EX25-2, EX30, EX30-2, EX35, EX35-2, EX40, EX40-2, EX45, EX45-2 |
| |
| 4306185 RUBBER |
| LX20 |
| |
| 426279 RUBBER |
| CP210 |
| Pos. |
Part No |
Qty |
Parts name |
Comments |
| 0 |
4271420 |
[1] |
ENGINE |
|
| 00A. |
4297076 |
[1] |
BELT;FAN |
(1=2 PIECES) |
| 00B. |
4296675 |
[1] |
FILTER;OIL(MAIN) |
|
| 00C. |
4192631 |
[1] |
FILTER;FUEL |
|
| 00D. |
4164695 |
[1] |
SWITCH;LEVEL |
|
| 00E. |
4201132 |
[1] |
SWITCH;PRES. |
|
| 00F. |
4320957 |
[1] |
SWITCH;THERMO |
|
| 00G. |
4283858 |
[1] |
GENERATOR |
|
| 00H. |
4283860 |
[2] |
FILTER;OIL(BYPASS) |
|
| 00I. |
4320958 |
[1] |
UNIT |
(WATER TEMP.) |
| 2 |
4283889 |
[1] |
PLATE |
I 4330924 |
| 2 |
4330924 |
[1] |
PLATE |
|
| 3 |
4256314 |
[4] |
RUBBER |
|
| 4 |
4189018 |
[4] |
STOPPER |
|
| 5 |
4271322 |
[2] |
BRACKET |
|
| 6 |
4271323 |
[1] |
PLATE |
|
| 7 |
J931806 |
[2] |
BOLT |
|
| 8 |
J951018 |
[2] |
NUT |
|
| 12 |
J222018 |
[4] |
WASHER |
|
| 13 |
J222010 |
[12] |
WASHER |
|
| 14 |
4197145 |
[4] |
RUBBER |
|
| 15 |
4197147 |
[4] |
STOPPER |
|
| 16 |
8050023 |
[1] |
BRACKET |
|
| 18 |
J932006 |
[2] |
BOLT |
|
| 19 |
J951020 |
[2] |
NUT |
|
| 20 |
4018545 |
[4] |
WASHER |
|
| 21 |
M211640 |
[8] |
BOLT |
|
| 23 |
J222016 |
[8] |
WASHER |
|
| 24 |
8055862 |
[1] |
BRACKET |
|
| 30 |
4317628 |
[12] |
BOLT |
|
| 41 |
J021035 |
[3] |
BOLT;SEMS |
|
| 42 |
J011025 |
[5] |
BOLT;SEMS |
|
- We could supply the following spare parts
1 Hydraulic parts: hydraulic pump, main valve, hydraulic cylinder, final drive, travel motor, swing machinery, swing motor etc.
2 Engine parts: engine ass’y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger, fuel injection pump, starting motor and alternator etc.
3 Undercarriage part: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion etc.
4 Cab parts: operator’s cab, wiring harness, monitor, controller, seat, door etc.
5 Cooling parts: Radiator, air conditioner, compressor, after cooler etc.
6 Other parts: Service kit, swing circle, engine hood, swing joint, fuel tank, filter, boom, arm, bucket etc.
Packing Details :
inner packing : plastic film for wrapping
external packing : wooden
Shipping :
within 3 days after received the payment , by air or by express or by sea on the basis of the
quantity and emergency circumstances.
1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperated,
2. By Air: Delivery from the Guangzhou air port to customer's destination city air port.
3. By Sea: Delivery from the Huangpu port .
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