721-98-00690 7219800690 ARM SEAL KIT, HYDRAULIC CYLINDER PC210-11 PC210LC-11
Price:
Negotiable
MOQ:
10
Delivery Time:
Within 5-15 days after getting your desposit
Brand:
OUB
Product Description
1. Quick Details of seal 721-98-00690:
| Part NO. | 721-98-00690 |
| Machine | Hydraulic Excavator |
| Size | OEM |
| Material | PU,RUBBER,PTFE,SPCC |
| Type | ARM CYLINDER SERVICE KIT |
2. 721-98-00690 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 707-E1-01430 | Cylinder Assembly | 1 |
| 1 | 721-13-13100 | Cylinder | 1 |
| 2 | 707-58-95270 | Rod, Piston | 1 |
| 3 | 707-76-80431 | Bushing | 1 |
| 4 | 07145-00080 | Seal, Dust, (Kit : K05) | 2 |
| 5 | 707-76-80431 | Bushing | 1 |
| 6 | 07145-00080 | Seal, Dust, (Kit : K05) | 2 |
| 7 | 07020-00000 | Fitting, Grease | 1 |
| 8 | 707-71-35140 | Collar | 1 |
| 9 | 707-35-31260 | Ring, Back-up, (Kit : K05) | 2 |
| 10 | 07000-B5125 | O-Ring, (Kit : K05) | 1 |
| 11 | 707-71-71010 | Plunger | 1 |
| 12 | 707-71-80320 | Plunger | 1 |
| 13 | 04260-00635 | Ball, Steel | 12 |
| 14 | 707-71-91270 | Cap | 1 |
| 15 | 707-27-13850 | Head, Cylinder | 1 |
| 16 | 707-56-95740 | Seal, Dust, (Kit : K05) | 1 |
| 17 | 07179-13109 | Ring, Snap | 1 |
| 18 | 707-52-90721 | Bushing | 1 |
| 19 | 707-51-95860 | Packing, Rod, (Kit : K05) | 1 |
| 20 | 707-51-95650 | Ring, Buffer, (Kit : K05) | 1 |
| 21 | 707-35-31260 | Ring, Back-up, (Kit : K05) | 1 |
| 22 | 07000-B5125 | O-Ring, (Kit : K05) | 1 |
| 23 | 01010-81875 | Bolt | 12 |
| 24 | 707-41-11840 | Washer | 12 |
| 25 | 707-75-95030 | Ring, Snap | 1 |
| 26 | 707-36-13771 | Piston | 1 |
| 27 | 707-44-13250 | Ring, Piston, (Kit : K05) | 1 |
| 28 | 707-39-13530 | Ring, Wear, (Kit : K05) | 2 |
| 29 | 707-44-13920 | Ring | 2 |
| 30 | 01310-01216 | Screw | 1 |
| 31 | 07000-B5085 | O-Ring, (Kit : K05) | 1 |
| 32 | 707-35-30850 | Ring, Back-up, (Kit : K05) | 2 |
| 33 | 724-Z1-15940 | Valve Group | 1 |
| 34 | 707-83-13010 | Valve | 1 |
| 35 | 07750-01628 | Spring | 1 |
| 36 | 707-87-14070 | Plug | 1 |
| 37 | 07002-62034 | O-Ring, (Kit : K05) | 1 |
| 38 | 707-88-33030 | Cap | 1 |
| 39 | 07371-30640 | Flange, Split | 2 |
| 40 | 707-88-33040 | Cap | 1 |
| 41 | 07371-31049 | Flange, Split | 2 |
| 42 | 07372-21035 | Bolt | 8 |
| 43 | 01643-51032 | Washer | 8 |
3. 721-98-00690 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 707-98-56210 | 707-51-45640 | 707-99-75600 |
| 707-98-56600 | 707-98-25870 | 707-51-80640 |
| 707-35-91750 | 707-98-25910 | 707-98-36600 |
| 707-35-91840 | 707-51-80640 | 707-98-36630 |
| 707-35-91850 | 707-51-11640 | 707-98-36700 |
| 707-35-92020 | 707-51-11650 | 707-98-36740 |
| 707-35-92050 | 707-51-11690 | 707-98-37110 |
| 707-35-92300 | 707-51-12630 | 707-98-37130 |
| 707-35-92600 | 707-51-12640 | 707-98-37300 |
| 707-35-92900 | 707-51-12650 | 707-98-37500 |
| 707-35-93020 | 707-44-10911 | 707-98-37510 |
| 707-35-99500 | 707-44-11080 | 707-98-37570 |
| 707-35-99510 | 707-44-11150 | 707-98-37580 |
| 707-51-13030 | 707-98-60120 | 707-51-20250 |
| 707-99-77240 | 707-98-60121 | 707-35-52700 |
5. FAQ
Q: What is this excavator seal kit and what does it include?
A: This is a complete hydraulic cylinder seal kit for an excavator, designed to rebuild and reseal the boom, arm, or bucket cylinder. It contains all the necessary seals: piston seals, rod seals, wear rings, buffer seals, wiper seals, and O-rings.
Q: What common mistakes cause early seal kit failure?
A: The most frequent issues are improper cleaning leading to contamination, overstretching or twisting seals during installation, using the wrong lubricant, not replacing worn wear rings, and damaging seals with sharp tools.
Q: How long can a properly installed seal kit last?
A: With clean hydraulic fluid, proper installation, and regular maintenance, the kit can last 5,000–10,000 operating hours. Lifespan is reduced by contaminated fluid, excessive side loads, or high temperatures.
Q: Could you tell me how to identify the contents of this repair kit?
A: I'd love to do so.
- The rod seal (often a heavy-duty U-cup style design) bears the brunt of holding that dynamic pressure back.
- Wiper Seal (Dust Seal):Outermost ring, often with a hard metal or plastic outer shell.
- Buffer Seal:Thick ring sitting just inside/behind the rod seal.
- Piston Seal:Wide, flat ring assembly (often Teflon/PTFE with an expander) sitting on the piston head.
6. Exhibition and Wearhous
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Opal Machinery Parts Operation Department
Location
NO.212,Zhu ji rode,tian he distric,guangzhou,China
Contact Person
Vivian