21N-30-14180 21N3014180 SEAL,DUST OF PC1100SE-6 PC1000SE-1
1. Quick Details of seal 21N-30-14180:
| Part NO. | 21N-30-14180 |
| Machine | Bulldozer |
| Size | OEM |
| Material | NBR |
| Oil seal type | WIPER SEAL |
2. 21N-30-14180 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 21N-30-37610 | YOKE | 1 |
| 2 | 21N-30-34120 | PLUNGER | 1 |
| 3 | 21N-30-14160 | PACKING | 1 |
| 4 | 21N-30-14170 | RING | 1 |
| 5 | 04070-00140 | RING | 1 |
| 6 | 07155-01640 | RING | 1 |
| 7 | 21N-30-14180 | SEAL | 1 |
| 8 | 07959-20001 | VALVE | 1 |
| 9 | 205-30-72170 | PLATE | 1 |
| 10 | 01010-81225 | BOLT | 1 |
| 11 | 01643-31232 | WASHER | 1 |
| 12 | 07043-70108 | PLUG | 1 |
| 13 | 21N-30-32940 | GUARD | 1 |
| 14 | 01010-81635 | BOLT | 4 |
| 15 | 01643-31645 | WASHER | 4 |
| 16 | 21N-30-32950 | PLATE | 1 |
| 17 | 21N-30-32960 | PLATE | 1 |
| 18 | 01010-82060 | BOLT | 2 |
| 19 | 01643-32060 | WASHER | 2 |
| 20 | 20X-46-11320 | BOLT | 8 |
| 21 | 01643-32460 | WASHER | 8 |
| 22 | 21N-30-34131 | FLANGE | 1 |
| 23 | 21N-30-34141 | ROD | 1 |
| 24 | 21N-30-34151 | SPRING | 1 |
| 25 | 21N-30-34160 | COLLAR | 1 |
| 26 | 21N-30-34170 | NUT | 1 |
| 27 | 209-30-65160 | LOCK | 1 |
| 28 | 01010-81640 | BOLT | 2 |
| 29 | 01643-31645 | WASHER | 2 |
3. 21N-30-14180 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 707-99-67760 | 707-98-39610 | 707-98-62120 |
| 707-98-26820 | 707-98-39611 | 707-98-67100 |
| 707-98-26570 | 707-98-38510 | 707-51-65650 |
| 707-98-26580 | 707-98-38520 | 707-99-64200 |
| 707-98-26600 | 707-98-38551 | 707-99-64230 |
| 707-98-26620 | 707-98-38600 | 707-99-64250 |
| 707-98-26570 | 707-98-38510 | 707-98-38520 |
| 707-99-67310 | 707-99-74450 | 707-51-75211 |
5. FAQ
Q: Which construction machine can use dust seal part number 21N-30-14180?
A: The dust seal 21N-30-14180 is specially manufactured for bulldozer hydraulic cylinder maintenance.
Q: What raw materials are adopted for part 21N-30-14180 dust seal?
A: 21N-30-14180 dust seal uses high toughness polyurethane combined with NBR rubber base.
Q: What contaminants can this dust seal keep out during operation?
A: It prevents dirt, gravel, rainwater and mud from getting into the hydraulic cylinder assembly.
Q: What is the installation position of this dust seal on bulldozer cylinder?
A: It is fitted in the gland housing at the rod exit of the bulldozer hydraulic cylinder.
Q: What advantage does this dust seal have for outdoor earthmoving work?
A: It features stable lip resilience, which maintains sealing performance under continuous vibration.
Q: Is this dust seal compatible with multiple bulldozer cylinder assemblies?
A: It matches specific bulldozer cylinder models, please confirm cylinder specs before ordering.
Q: What signs tell us this dust seal needs replacement?
A: Visible lip tear, permanent deformation or mud accumulation on piston rod surface are warning signs.
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