DCY 41x53x8/10.5mm NBR Oil Seal For Motorcycle Engine Crankshaft

Model / SKU: VKEFOT-DCY-41-53-8-10.5-NBR
This aftermarket DCY double spring oil seal 41x53x8/10.5mm in NBR, suitable for motorcycle engine crankshaft and front fork sealing.
Tags: 41x53x8/10.5mm, DCY oil seal, double spring crankshaft seal, motorcycle engine seal, NBR engine oil seal
Product photos



Technical summary
Product specifications. Refer to the approved drawing for dimensional tolerances and installation requirements.
| Spec | Value |
|---|---|
| Size (mm) | 41x53x8/10.5 |
| Material | NBR |
| Structure | DCY double spring skeleton oil seal |
| Size | 41x53x8/10.5mm |
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 DCY double spring oil seal 41x53x8/10.5mm is a rotary shaft seal built for motorcycle engine crankshaft and front fork suspension applications.
Buyers sourcing motorcycle engine and fork seals can submit RFQ with dimension, quantity and destination country.
Features & Benefits
DCY profile with dual garter springs maintains consistent lip pressure on rotating crankshaft or reciprocating fork rod for reliable oil retention.
NBR rubber lip delivers good oil resistance and wear resistance under standard motorcycle engine operating conditions.
Dual lip design combines primary oil retention lip and secondary dust exclusion lip to protect internal engine and suspension components.
Verify dimension and shaft surface condition before installation, this seal is aftermarket replacement, not genuine OEM part.
Factory standard options, confirm on RFQ.
VKEFOT manufactures oil seals, O-rings and custom rubber seals in Xingtai and exports to Europe, North America, Middle East and Southeast Asia.
Material & Process
Rubber coated metal skeleton with dual garter springs, black finish.
Packaging & Delivery
Standard neutral polybag + export carton.
Samples and small trial lots for stocked sizes; freight confirmed on RFQ.
Send an inquiry with size (ID×OD×height in mm), quantity, destination and duty for a firm lead time.
FAQ
What is DCY 41x53x8/10.5mm NBR oil seal used for?
DCY 41x53x8/10.5mm NBR double spring oil seal is commonly used for motorcycle engine crankshaft, camshaft and front fork shock absorber sealing.
What is DCY type double spring oil seal?
DCY oil seal is a rotary/reciprocating shaft seal with dual garter springs and double lips, designed to maintain stable lip pressure and provide both oil retention and dust exclusion.
What material is this DCY crankshaft oil seal?
Made of NBR nitrile rubber, good compatibility with conventional motorcycle engine oil and fork oil.
Is DCY 41x53x8/10.5mm oil seal a genuine OEM part?
No — it is aftermarket replacement oil seal; verify dimension and application before purchase.
How to install DCY 41x53x8/10.5mm crankshaft oil seal without leakage?
1. Clean shaft and housing bore, remove burrs and old seal residue. 2. Protect sealing lips from scratches. 3. Press seal evenly and keep perpendicular. 4. Do not hammer rubber directly. 5. Rotate shaft manually after assembly and check leakage.
What information should I provide for RFQ on this DCY oil seal?
Submit dimension in mm, quantity, destination country and working medium for quotation.