455088 455-088 ROD,PISTON KOMATSU parts OF MX45
1. Quick Details of seal 455088:
| Part NO. | 455088 |
| Machine | Track‑type bulldozer |
| Size | OEM |
| Material | Polyacrylate rubber |
| Oil seal type | SEAL LIP |
2. 455088 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 452-074 | CYLINDER ASSEMBLYKomatsu China | 1 | |
| 1 | 452-075 | CYLINDER,BLADE Komatsu China | 1 |
| 2 | 451-092 | BUSHING Komatsu China | 1 |
| 3 | 452-192 | SEAL,DUST (KIT) Komatsu China | 2 |
| 4 | 452-420 | FITTING,GREASE Komatsu China | 1 |
| 4A | 453-689 | O-RING (KIT) Komatsu China | 2 |
| 5 | 452-759 | HEAD,CYLINDER Komatsu China | 1 |
| 6 | 451-022 | BUSHING Komatsu China | 1 |
| 7 | 454-025 | PACKING,ROD (KIT) Komatsu China | 1 |
| 8 | 452-195 | SEAL,DUST (KIT) Komatsu China | 1 |
| 9 | 457-512 | RING,SNAP Komatsu China | 1 |
| 10 | 453-693 | O-RING (KIT) Komatsu China | 1 |
| 11 | 450-968 | RING,BACK-UP (KIT) Komatsu China | 1 |
| 12 | 453-536 | O-RING (KIT) Komatsu China | 1 |
| 13 | 455-088 | ROD,PISTON Komatsu China | 1 |
| 16 | 452-421 | FITTING,GREASE Komatsu China | 1 |
| 17 | 454-343 | PISTON Komatsu China | 1 |
| 18 | 450-985 | RING,PISTON (KIT) Komatsu China | 1 |
| 19 | 450-979 | RING,WEAR (KIT) Komatsu China | 1 |
| 20 | 454-970 | NUT Komatsu China | 1 |
| K | 456-210 | SERVICE KIT,BLADE CYLINDER Komatsu China | 1 |
3. 455088 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 254287 | 417344 | 480028 |
| 470380 | 90036 | 473016 |
| 370087 | 8660S | 370021 |
| 417351 | 254270 | 254287 |
| 455079 | 370018A | 417488 |
| 410625 | 471224 | 473214 |
5. FAQ
Q: Can this oil seal work steadily on rotating shaft assemblies?
A: Yes, the specially designed sealing lip fits rotary shafts to block internal lubricant leakage.
Q: What installation tips should mechanics follow during field replacement?
A: Clean and polish shaft surface to remove burrs, apply thin grease layer before pressing‑in; avoid sharp tools damaging sealing lips.
Q: What protective function does zinc‑phosphate coating provide for steel shell?
A: This surface treatment strengthens shell anti‑rust property and coating adhesion for damp, muddy construction‑site conditions.
Q: What key points should installers notice during on‑site replacement?
A: Keep shaft surface smooth and burr‑free, apply thin layer grease before pressing‑in, avoid twisting or scratching sealing lip in operation.
Q: How is its performance with commonly‑used transmission lubricants?
A: NBR material delivers stable oil resistance, maintains low swelling rate for transmission gear oil and chassis bearing grease.
Q: What suggestions for warehouse storage of unopened seal kits?
A: Store in cool dry indoor space, avoid heavy stacking pressure, sharp cuts and long‑term exposure to heat sources.
Q: How will this sealing kit interact with construction‑site lubricants?
A: Nitrile rubber keeps stable dimensional property and low‑swelling rate against transmission gear oil and conveyor bearing grease.
Q: What abnormal conditions indicate oil seals should be replaced?
A: Lubricant leaks out from conveyor drive shaft end, conveyor runs unevenly, periodic scraping noise occurs and drive housing produces obvious over‑heat during paving work.
Q: What risk will scratch damage bring to electrophoretic coated shell?
A: Once the coating layer is scratched off, bare steel will corrode gradually, which may lead to seal loosening and unexpected oil leakage.
Q: How well can this full sealing kit block mud, gravel dust and hot gear oil mist on muddy outdoor road job sites?
A: The multi-layer flexible rubber lip scrapes thick mud off the shaft surface, the fully enclosed plated metal shell blocks coarse dust particles, and inner auxiliary rubber layers isolate high-temperature oil mist to protect internal precision gears.
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