We are a China-based rubber seal manufacturer supplying rubber O-rings in NBR, FKM and silicone, with EPDM also available in our O-ring kit range. Our products include individual O-rings with documented dimensions, automotive replacement seals and machinery maintenance kits. Standard bulk-order quantities vary according to O-ring inside diameter.
-
![O-Ring Kit OE XP00000002PS For Hitachi ZX200-3 ZX240-3 ZX330-3]()
O-Ring Kit OE XP00000002PS For Hitachi ZX200-3 ZX240-3 ZX...Brand: Jinwo . OE: XP00000002PS . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Hitachi . Service: Professional B2B manufacturing and global supply -
![O-Ring Kit OE 1400688H91 For Komatsu]()
O-Ring Kit OE 1400688H91 For KomatsuBrand: Jinwo . OE: 1400688H91 . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Komatsu . Service: Professional B2B manufacturing and global supply -
![O-Ring Kit OE 9S-3135 For CAT]()
O-Ring Kit OE 9S-3135 For CATBrand: Jinwo . OE: 9S-3135 . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Caterpillar . Service: Professional B2B manufacturing and global supply -
![O-Ring Kit OE XP00000001PS For Hitachi ZX200 ZX200-3G ZX210K-3G ZX225US]()
O-Ring Kit OE XP00000001PS For Hitachi ZX200 ZX200-3G ZX2...Brand: Jinwo . OE: XP00000001PS . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Hitachi . Service: Professional B2B manufacturing and global supply -
![O-Ring Kit OE 4C-5859 270-1539 For CAT]()
O-Ring Kit OE 4C-5859 270-1539 For CATBrand: Jinwo . OE: 4C-5859 270-1539 . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Caterpillar . Service: Professional B2B manufacturing and global supply -
![O-Ring Kit OE 4C-8253 270-1533 For CAT]()
O-Ring Kit OE 4C-8253 270-1533 For CATBrand: Jinwo . OE: 4C-8253 270-1533 . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Caterpillar . Service: Professional B2B manufacturing and global supply -
![O-Ring Kit OE 4C-4784 270-1535 For CAT]()
O-Ring Kit OE 4C-4784 270-1535 For CATBrand: Jinwo . OE: 4C-4784 270-1535 . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Caterpillar . Service: Professional B2B manufacturing and global supply -
![O-Ring Kit OE 4C-4788 For CAT]()
O-Ring Kit OE 4C-4788 For CATBrand: Jinwo . OE: 4C-4788 . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Caterpillar . Service: Professional B2B manufacturing and global supply -
![O-Ring Kit OE 270-1528 For CAT]()
O-Ring Kit OE 270-1528 For CATBrand: Jinwo . OE: 270-1528 . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Caterpillar . Service: Professional B2B manufacturing and global supply -
![O-Ring Kit OE 4C-4782 For CAT]()
O-Ring Kit OE 4C-4782 For CATBrand: Jinwo . OE: 4C-4782 . Series Name: O-Ring Kit . Material: NBR / FKM / Silicone / EPDM . Application: Caterpillar . Service: Professional B2B manufacturing and global supply -
![Jinwo O-Ring Size 1.24 X 2.62 mm]()
Jinwo O-Ring Size 1.24 X 2.62 mmBrand: Jinwo . MOQ: 1000 PCS (If In-Stock: B2B MOQ Negotiable) . Size: 1.24 X 2.62 mm . Series Name: O-Ring . Material: NBR / FKM / Silicone . Service: Professional B2B manufacturing and global -
![Jinwo O-Ring Size 4.34 X 3.53 mm]()
Jinwo O-Ring Size 4.34 X 3.53 mmBrand: Jinwo . MOQ: 1000 PCS (If In-Stock: B2B MOQ Negotiable) . Size: 4.34 X 3.53 mm . Series Name: O-Ring . Material: NBR / FKM / Silicone . Service: Professional B2B manufacturing and global
1. O-Ring Materials and Specifications
Our NBR/FKM O-ring series lists the following material and hardness options:
| Specification | Available Options |
|---|---|
| Materials | NBR, FKM |
| Additional materials in O-ring kit range | Silicone, EPDM |
| Hardness | 70, 75, 90 ±5 Shore A |
| Series temperature range | -30°C to +250°C, material dependent |
| Dimension unit | mm |
The temperature range is material-dependent. The listed hardness and temperature values are series-level specifications and should not be interpreted as identical ratings for every material or size.
2. Available O-Ring Sizes and Replacement Products
We supply individual rubber O-rings in defined sizes, as well as application-specific automotive replacement O-rings.
| Product | Material | Dimensions | Hardness | Temperature Range |
|---|---|---|---|---|
| O-Ring Size 1.24 × 2.62 mm | Not specified | ID 1.24 mm; cross-section 2.62 mm | Not specified | Not specified |
| O-Ring Size 4.34 × 3.53 mm | Not specified | ID 4.34 mm; cross-section 3.53 mm | Not specified | Not specified |
| Fuel Filter O-Ring OE 6019970345 | FKM | ID 8 mm; OD 13 mm; thickness 3 mm | 70 ±5 Shore A | -20°C to +200°C |
For replacement orders, the OE reference and actual dimensions identify the specific product. The fuel filter O-ring listed above is an individual FKM replacement seal.
3. O-Ring Kits for Machinery Maintenance
We also supply machinery maintenance O-ring kits for equipment replacement.
| Kit | Reference Number | Listed Equipment Applications | Configuration |
|---|---|---|---|
| Hitachi O-Ring Kit | XP00000002PS | ZX200-3, ZX240-3, ZX330-3 | O-ring kit |
| Komatsu O-Ring Kit | 1400688H91 | PC200, PC300, PC400 series | O-ring kit |
| CAT O-Ring Kit | 9S-3135 | CAT equipment applications | 90 O-rings covering 9 SAE straight-thread port sizes |
These kits are separate products from individual O-rings. Their equipment applications and configurations should be evaluated by the specific kit reference rather than applied to the entire O-ring range.
4. O-Ring Customization and Manufacturing
As an O-ring manufacturer in China, we support OEM O-ring customization based on customer drawings, samples and technical requirements.
Available customization options include:
Dimensions: Customized dimensions based on drawings or samples.
Material: NBR, FKM, silicone and EPDM, according to the applicable product range.
Hardness: Available options include 70, 75 and 90 ±5 Shore A in the listed NBR/FKM series.
Packaging: Customized packaging for bulk and OEM orders.
Our manufacturing facilities include automatic injection molding machines, compression molding equipment and vulcanizing presses. Our quality-control activities include material analysis, dimensional inspection and multi-stage quality checks.
5. Bulk O-Ring Orders and MOQ
Our standard O-ring MOQ varies according to inside diameter:
| O-Ring Inside Diameter (ID) | Standard MOQ |
|---|---|
| ≤30 mm | 1,000 pcs |
| 30–80 mm | 500 pcs |
| 80–150 mm | 200–300 pcs |
| >150 mm | 100–200 pcs |
For in-stock products, B2B MOQ can be negotiated.
The FKM fuel filter O-ring OE 6019970345 has a listed MOQ of 1,000 pcs. Its stock-product B2B MOQ may be negotiated.
6. Request an O-Ring Quote
Send us your required O-ring dimensions, material, hardness and order quantity for a product and quotation check.
For replacement seals, you can also provide a sample photo, technical drawing or OE reference number. We will use the available product information to check the corresponding specification and order requirements.
Hebei Jinwo Machinery Technology Co., Ltd. is one of the most professional o ring manufacturers and suppliers in China, featured by quality products and good price. Welcome to buy bulk advanced o ring in stock here and get pricelist from our factory. We also accept customized orders.
