455191 455-191 WASHER OF 2D68E-N3CB-MX
1. Quick Details of seal 455191:
| Part NO. | 455191 |
| Machine | Backhoe loader |
| Size | OEM |
| Material | Nitrile‑butadiene rubber lip |
| Oil seal type | SEAL LIP |
2. 455191 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 451-844 | COVER | 1 |
| 2 | 452-532 | GASKET (KIT) | 1 |
| 454-817 | WEIGHT ASSEMBLY | 1 | |
| 3 | 454-820 | WEIGHT ASSEMBLY | 1 |
| 4 | 454-979 | NUT | 1 |
| 5 | 457-482 | SLEEVE | 1 |
| 6 | 457-598 | SPACER | 1 |
| 7 | 453-217 | LINK¤ L=88.6 | 1 |
| 453-216 | LINK¤ L=88.8 | 1 | |
| 453-218 | LINK¤ L=89.0 | 1 | |
| 451-287 | GOVERNOR CASE ASSEMBLY | 1 | |
| 9 | 453-659 | O-RING | 1 |
| 10 | 452-531 | GASKET | 1 |
| 11 | 457-434 | SHIM ASSEMBLY | 1 |
| 12 | 455-194 | SPACER | 2 |
| 13 | 456-275 | SHAFT | 1 |
| 14 | 453-187 | LEVER ASSEMBLY | 1 |
| 15 | 457-441 | SHIM ASSEMBLY | 2 |
| 16 | 453-829 | SPRING | 1 |
| 17 | 457-414 | SHIFTER | 1 |
| 18 | 453-836 | SPRING | 1 |
| 19 | 455-196 | WASHER | 1 |
| 20 | 455-026 | RING,SNAP | 1 |
| 21 | 454-270 | PIN,SPRING | 1 |
| 22 | 454-746 | PLATE | 1 |
| 23 | 453-895 | PLATE | 1 |
| 24 | 456-285 | SHAFT ASSEMBLY | 1 |
| 25 | 454-271 | PIN,SPRING | 2 |
| 26 | 453-679 | O-RING | 1 |
| 27 | 456-747 | BOLT | 2 |
| 28 | 454-981 | NUT | 1 |
| 29 | 453-832 | SPRING | 1 |
| 30 | 452-753 | HANDLE | 1 |
| 31 | 458-385 | NUT | 1 |
| 457-531 | SOLENOID ASSEMBLY | 1 | |
| 33 | 453-709 | O-RING | 1 |
| 34 | 456-702 | BOLT | 1 |
| 35 | 453-192 | LIMITER | 1 |
| 36 | 456-715 | BOLT | 1 |
| 37 | 454-996 | NUT | 1 |
| 38 | 455-310 | SCREW | 1 |
| 39 | 454-975 | NUT | 1 |
| 40 | 456-108 | WASHER | 1 |
| 40A | 455-191 | WASHER | 1 |
| 41 | 456-110 | SEAL,WASHER (KIT) | 2 |
| 42 | 454-274 | PIN,COTTER | 1 |
| 43 | 454-275 | PIN,SNAP | 1 |
| 44 | 456-764 | BOLT | 5 |
| 45 | 455-323 | BOLT | 3 |
| 46 | 455-324 | BOLT | 1 |
| 47 | 454-997 | NUT | 1 |
| 48 | 456-691 | BOLT | 1 |
| 49 | 450-609 | RETAINER | 1 |
| 50 | 454-997 | NUT,LOCK | 1 |
| 51 | 458-256 | ANGLEICH ASSEMBLY | 1 |
| 52 | 450-605 | BRACKET | 1 |
| 53 | 455-027 | RING,SNAP | 1 |
| 54 | 454-990 | NUT | 1 |
| 55 | 456-785 | BOLT | 1 |
| 56 | 451-276 | CASE ASSEMBLY | 1 |
| 57 | 453-666 | O-RING | 1 |
| 58 | 451-217 | CAP | 1 |
| 59 | 454-753 | PLATE | 1 |
| 60 | 454-041 | GASKET | 1 |
3. 455191 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 254287 | 455134 | 480028 |
| 470380 | 90036 | 473016 |
| 370087 | 8660S | 370021 |
| 417366 | 254270 | 254287 |
| 415085 | 370018A | 416332 |
| 410625 | 415027 | 473214 |
5. FAQ
Q: What are the material performance features of oil seal kit part number 455191?
A: Part number 455191 adopts nitrile‑butadiene rubber sealing lip and zinc‑phosphate treated steel shell. This material configuration delivers good oil‑resistance and deformation‑resistant capacity under continuous chassis vibration.
Q: What surface appearance can we observe for seal components inside part number 455191?
A: For part number 455191, rubber sealing components show smooth matte black finish, and the metal shell presents uniform silver‑grey anti‑corrosion surface without extra paint coating.
Q: Where is this oil seal kit mounted on the backhoe loader?
A: This seal kit installs inside the front axle hub, sitting between rotating hub shaft and stationary axle housing.
Q: Can this seal keep site mud and splashing water out of axle housing?
A: Yes, the outer mud‑deflecting lip can repel muddy debris effectively, preventing internal lubricant leaking out along rotating rear axle shaft.
Q: What installation advice should mechanics follow during on‑site replacement?
A: Clean and polish shaft surface to remove fine burrs, spread thin uniform grease before pressing‑in; avoid sharp edges cutting sealing lip working surface.
Q: What real‑world benefits does Redicoat treatment bring for steel shell?
A: This coating improves shell bore‑fitting performance and rust resistance, adapting to muddy construction sites with mixed digging and travelling operations.
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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