Επισημαίνω:
CAT hydraulic cylinder seal kit
, Backhoe loader cylinder seal kit
, Excavator hydraulic seal kit
1. Quick Details of seal 240-9538:
| Part NO. |
240-9538 |
| Machine |
backhoe loader |
| Size |
OEM |
| Material |
NBR |
| Oil seal type |
SEAL KIT
|
2. 240-9538 parts on group :
| NO. |
PART NO. |
PRAT NAME |
QTY |
| 1 |
4T-5613 |
SEAL |
1 |
| 2 |
2K-6830 |
SEAL |
1 |
| 3 |
421-4023 |
SEAL |
1 |
| 4 |
495-8179 |
SEAL |
1 |
| 5 |
308-1845 |
SEAL |
1 |
| 6 |
1H-8128 |
O-RING |
1 |
| 7 |
289-2935 |
SEAL |
1 |
| 8 |
6J-2797 |
SEAL |
1 |
| 9 |
175-7900 |
O-RING |
1 |
3. 240-9538 picture:
4. Service part number :
| PART NO. |
PART NO. |
Part NO. |
| 1672299 |
6V3907 |
7G4822 |
| 2782324 |
6V3908 |
2J6274 |
| 519-7656 |
6V3917 |
4J2506 |
| 519-7601 |
6V5064 |
3K0360 |
| 456-0197 |
6V5066 |
2M9780 |
| 8C9179 |
6V6609 |
8M4992 |
| 9X3607 |
8T1919 |
4S5879 |
| 8C9182 |
1259794 |
9X4609 |
| 1723918 |
2454908 |
2D8009 |
| 9X3609 |
2697885 |
4F7390 |
| 9X3610 |
2701820 |
5F9144 |
5. FAQ
Q: Is any special tool or modification needed for installation?
A: No special tools or modifications. The parts match OEM groove dimensions exactly. Simply remove old seals, clean grooves, and install new components. The design allows straightforward field replacement.
Q: What typical failure symptoms does this kit fix?
A: It resolves slow or jerky steering, hydraulic fluid leaks at the rod, reduced swing power, and cylinder drift. These issues commonly arise from worn PU seals, hardened NBR, or damaged guide rings in high-cycle cylinders.
Q: How does this kit perform in muddy, dusty construction environments?
A: The heavy-duty PU wiper aggressively scrapes mud and debris from the rod, preventing contamination ingress. The multi-lip seal configuration blocks fine dust, while robust guide rings resist abrasion—ideal for backhoe and loader applications.
Q: Are there any common installation mistakes to avoid?
A: Yes. Avoid twisting O-rings during installation, ensure PTFE rings are not overstretched, and lubricate all seals with clean hydraulic oil before assembly. Improper installation can cause early leaks or seal damage.
Q: What is the expected service life compared to aftermarket economy kits?
A: Under normal working conditions, this OEM-quality kit lasts 2–3 times longer than economy alternatives. The premium PU and filled PTFE resist wear, heat, and extrusion better, reducing maintenance frequency and downtime.
6. Exhibition and Wearhous
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More
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