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333-8750 3338750 Hydraulic cylinder seal kit of 637 631 637K 631K

Name: 333-8750 3338750 Hydraulic cylinder seal kit of 637 631 637K 631K
Brand: Guangzhou Opal Machinery Parts Operation Department
SKU: 333-8750
Price: 7.00 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: OUB

Certification: ISO9001

Model Number: 333-8750

Payment & Shipping Terms

Minimum Order Quantity: 10

Price: Negotiable

Packaging Details: PP Bag Inside.outer is carton with film wrapped.

Delivery Time: Within 5-15 days after getting your desposit

Payment Terms: L/C,D/A,D/P,T/T,Western Union

Supply Ability: 1000Pcs

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Product Details

Product Description

Product Details

Highlight: 
                                                                                                                                                                                                                                                Hydraulic cylinder seal kit for 637K, 631K excavator seal kit, 333-8750 hydraulic cylinder seals
                              

Part No.::	333-8750	Part Name::	SERVICE KIT
Model:	349D2 L 336D LN 349D2 340D L 336D2 L	Machine:	Excavator
Material:	Niobium Additive Filled PTFE	Color:	BLACK,YELLOW,BROWN,BLUE

Part No.::	333-8750
Part Name::	SERVICE KIT
Model:	349D2 L 336D LN 349D2 340D L 336D2 L
Machine:	Excavator
Material:	Niobium Additive Filled PTFE
Color:	BLACK,YELLOW,BROWN,BLUE

Product Description

1. Quick Details of seal 333-8750:

Part NO.	333-8750
Machine	Excavator
Size	OEM
Material	Niobium additive filled PTFE
Oil seal type	SEAL KIT

2. 333-8750 parts on group :

NO.	PART NO.	PRAT NAME	QTY
1	9X-3604	SEAL	1
2	7Y-4941	SEAL	1
3	185-0230	SEAL	2
4	185-0231	SEAL	1
5	095-1635	O-RING	1
6	087-5550	SEAL	1
7	165-9291	SEAL	1
8	333-8687	SEAL	1
9	333-8688	SEAL	1

3. 333-8750 picture:

333-8750 3338750 Hydraulic cylinder seal kit of 637 631 637K 631K
4. Service part number :

PART NO.	PART NO.	Part NO.
3K-0360	195-2139	3J-1907
1357935	236-6919	3P0655
8C5175	5K-9090	1654854
8C5176	3D-2824	2K8257
8C5175	5K-9090	1654854
1H7339	5P-2235	1719375
8T9528	1T-0132	2468777
5K5129	9X-7735	2P1692
5P8211	095-1728	5K-5959
2M1309	095-1633	1H-6227

5. FAQ

Q: What materials are adopted for the core dynamic sealing parts inside this excavator cylinder seal kit?
A: The main piston and rod seals are made of plum fiber modified HNBR elastomer. This kit contains PU dust wiper rings, niobium additive filled PTFE wear strips and POM back-up rings matching all standard sealing grooves of excavator arm cylinders.

Q: How can customers distinguish different sealing accessories through visual characteristics?
A: HNBR main seals are matte jet black with uniform compact texture; PU wiper rings are reddish brown; PTFE wear strips are ivory white; POM back-up rings are light charcoal grey. All accessories are precision molded without rough burrs.

Q: What movement modes and construction environments is this cylinder seal kit designed for excavator arm cylinders?
A: This set of seals adapts to repeated stretching and retracting movements of the digging arm. It avoids hydraulic oil leakage and prevents mud infiltration during rock excavation, foundation construction and bulk soil transportation work.

Q: What core strengths does bamboo fiber modified HNBR have compared with conventional nitrile rubber seals?
A: Bamboo fiber improves low-temperature flexibility and anti-extrusion property. Under periodic steering alternating loads, its service life exceeds 2.40 times ordinary NBR sealing spare parts.

6. Exhibition and Wearhous

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333-8750 3338750 Hydraulic cylinder seal kit of 637 631 637K 631K

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