26x42.5x8.5mm CNB power steering oil seal NBR
Model / SKU: CNB-26-42.5-8.5-NBR
This aftermarket CNB oil seal 26×42.5×8.5 mm uses NBR for automotive steering gear high pressure sealing.
Tags: 26x42.5x8.5mm, CNB power steering seal, steering gear seal, high pressure power steering seal, NBR oil seal
Product photos
Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Size (mm) | 26x42.5x8.5 |
| Material | NBR |
| Structure | CNB |
| Size | 26x42.5x8.5 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 is an aftermarket CNB high-pressure power steering oil seal with dimensions 26×42.5×8.5 mm, built to retain hydraulic fluid inside automotive steering gear assemblies.
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
NBR nitrile rubber provides good compatibility with standard automotive power steering hydraulic fluid.
CNB composite lip construction handles cyclic high hydraulic pressure and reduces fluid leakage on steering gear racks.
Built-in garter spring maintains consistent lip contact pressure across pressure fluctuations.
Secondary dust barrier keeps grit and moisture out of the steering gear assembly.
This rubber compound maintains stable sealing under typical automotive operating temperatures.
Verify shaft and bore dimensions before order; this item is aftermarket replacement and not genuine OEM component.
FKM compound upgrade is available for higher temperature or aggressive fluid media upon request.
OEM marking and neutral export carton packing can be arranged for bulk shipments.
Packaging & Delivery
Samples and small trial lots for stocked sizes; freight confirmed on RFQ.
Payment, test reports and warranty confirmed on quotation / as agreed by lot.
Send an inquiry with size (ID×OD×height in mm), quantity, destination and duty for a firm lead time.
FAQ
What is this 26x42.5x8.5mm CNB oil seal used for?
This seal is a high pressure power steering oil seal for automotive steering gear racks, designed to retain hydraulic fluid and block external contaminants.
What are the OE numbers and full specifications for this seal?
Dimensions are 26×42.5×8.5 mm, CNB structure with NBR rubber. No matching OE number found for this exact size; verify dimensions before purchase.
Which vehicle fit this 26x42.5x8.5 power steering oil seal?
It is made for automotive steering gear rack assemblies. Application context commonly listed for this size, verify shaft and bore dimensions before order.
Is this CNB oil seal a genuine OEM part?
No — it is an aftermarket replacement seal; verify size before order.
How to install 26x42.5x8.5mm oil seal without leakage?
1. Clean shaft and housing, remove burrs and old seal debris. 2. Lubricate seal lip and shaft surface, dry installation is forbidden. 3. Align seal with spring side toward hydraulic fluid chamber, press vertically with a sleeve. 4. Apply pressure only on metal shell, never hit rubber lip. 5. Seat fully then rotate shaft manually to check free movement.
What dimensions should I send for an RFQ on this CNB oil seal?
Submit ID×OD×height in mm, quantity, destination and duty for quotation.