42x55x9mm NBR Oil Seal OEM WG9761349008 | Sinotruk Caliper / Brake Shaft Oil Seal
Model / SKU: WG9761349008-425509-NBR
42×55×9 mm NBR oil seal OEM WG9761349008 for Sinotruk / Howo heavy truck brake caliper shaft. Black rubber lip, metal casing, in stock with worldwide shipping. Wholesale pricing for heavy truck spare parts importers.
Tags: WG9761349008 oil seal, 42x55x9 oil seal, Sinotruk brake caliper oil seal, Howo truck brake shaft seal, NBR TC rotary shaft oil seal
Product photos
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Size (mm) | 42x55x9 |
| Material | NBR |
| Color | Black |
| OEM Part | WG9761349008 |
| Type | TC metal casing rotary shaft oil seal for heavy truck brake caliper |
| Size | 42×55×9 mm |
Pricing: request a quote (B2B / wholesale).
MOQ / commerce notes: In stock: ships in 1 to 2 days | Not in stock but still in current production: 10 to 15 days | Not in stock and not in production: 25 to 30 days
Product details
This aftermarket TC type oil seal with OEM number WG9761349008 has dimension 42×55×9 mm. It features stamped metal outer casing and spring-loaded NBR sealing lip, designed for Sinotruk Howo heavy truck brake caliper shaft assembly. It retains brake lubricant, prevents oil leakage and protects the brake shaft against road dust, mud and water splash.
VKEFOT manufactures oil seals, O-rings and custom rubber seals in Xingtai and exports to Europe, North America, Middle East and Southeast Asia.
Features & Benefits
- Rigid metal outer shell ensures tight interference fit inside caliper housing bore
- Spring energized NBR lip maintains consistent contact pressure on rotating brake shaft
- Built-in dust lip blocks mud and contaminants common on heavy-duty truck chassis
- Excellent wear resistance under harsh off-road and heavy load working conditions
- Ready stock with worldwide shipping, ideal for heavy truck repair shops, spare parts wholesalers and MRO replacement
Material & Specs
Sealing Lip：NBR (Nitrile Butadiene Rubber). Outer casing: painted stamped steel, stainless steel garter spring.
Compatible media：mineral lubricating oil for brake caliper, petroleum-based lubricants.
Not recommended for synthetic ester or phosphate ester fluids.
Packaging & Delivery
Neutral PE bag + export carton; quantity per carton adjustable.
Bulk orders enjoy volume discount.
Samples are available for quality inspection; sample freight cost confirmed via RFQ.
Payment terms, inspection certificates and warranty available upon quotation.
Submit RFQ with OEM number, quantity and destination country to get best bulk price.
FAQ
What is OEM WG9761349008 42x55x9 oil seal used for?
WG9761349008 42×55×9 mm NBR TC oil seal is the brake caliper shaft seal for Sinotruk Howo and Sitrak heavy trucks. It retains caliper lubricant and blocks mud, dust and water from entering the brake assembly.
What heavy truck models fit WG9761349008 oil seal?
This aftermarket WG9761349008 oil seal fits Sinotruk Howo and Sitrak heavy truck brake caliper shafts. Always verify OEM part number and shaft/housing dimensions before ordering for replacement.
What temperature range can NBR WG9761349008 oil seal withstand?
For higher temperature operating conditions, we offer FKM compound upgrade. Confirm working temperature inside your RFQ.
Is NBR WG9761349008 oil seal compatible with mineral lubricating oil?
Yes, NBR rubber works well with mineral lubricating oil for brake caliper. It is not suitable for phosphate ester or synthetic ester hydraulic fluids which swell and damage NBR rubber.
Do you have WG9761349008 oil seal in stock? Can you ship worldwide?
WG9761349008 42x55x9 NBR oil seal is kept in stock. Worldwide shipping available for bulk orders.
What details should I submit for RFQ of WG9761349008 oil seal?
Please provide OEM part number WG9761349008, order quantity, destination country, lubricant type and working temperature to receive accurate quotation.
Can you custom print logo and supply FKM version for WG9761349008 oil seal?
Custom logo marking, export packaging and FKM high-temperature upgrade are available.
Can I get samples of WG9761349008 oil seal for quality test?
Samples are available for quality evaluation. Sample cost and freight charge will be confirmed once receiving your RFQ.
What causes lubricant leakage after replacing WG9761349008 brake caliper oil seal?
Common leak causes: scratched shaft surface, damaged lip during installation, reversed seal orientation, incompatible lubricant or worn housing bore. Not all leakage comes from seal defect.