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Home / Products / Motorcycle Parts / LC135 Y15 4.5mm Valve Oil Seal Engine Sealing Replacement Parts
quality LC135 Y15 4.5mm Valve Oil Seal Engine Sealing Replacement Parts factory
quality LC135 Y15 4.5mm Valve Oil Seal Engine Sealing Replacement Parts factory

LC135 Y15 4.5mm Valve Oil Seal Engine Sealing Replacement Parts

Basic Properties
Place of Origin: CHINA
Model Number: LC135 Y15 4.5mm
Trading Properties
Minimum Order Quantity: 1000
Payment Terms: T/T,Western Union
Supply Ability: 1 month 10000pcs
Product Summary
Item Specification Detail Material Core Parameter Fit Model Yamaha LC135 / Y15 Motorcycle High-strength NBR Rubber + Reinforced Steel Ring Standard 4.5mm Specification Function Engine valve stem sealing, prevent oil penetration & blue smoke High temperature resistant, oil-proof, anti-deformation Fit ...

Product Details

Installationtype: Bolt-on Or Adhesive-backed Options Available
Chemicalresistance: Resistant To Oil, Fuel, And Other Chemicals
Thickness: Varies By Gasket Type, Typically 2-5 Mm
Sealingperformance: Provides Excellent Sealing To Prevent Leaks
Weight: Lightweight, Varies By Size
Longevity: Long-lasting With Proper Maintenance
Productname: Motorcycle Rubber And Gasket
Flexibility: Flexible And Easy To Install
Temperatureresistance: Withstands Temperatures From -40°C To 120°C
Durability: High Resistance To Wear And Tear
Application: Used In Engine, Exhaust, And Other Motorcycle Parts
Material: High-quality Rubber
Compatibility: Universal Fit For Most Motorcycle Models
Color: Black
Product Description
Item Specification Detail Material Core Parameter
Fit Model Yamaha LC135 / Y15 Motorcycle High-strength NBR Rubber + Reinforced Steel Ring Standard 4.5mm Specification
Function Engine valve stem sealing, prevent oil penetration & blue smoke High temperature resistant, oil-proof, anti-deformation Fit original valve stem assembly perfectly
Feature Strict OEM standard size, direct replacement Strong compression resilience, anti-aging Solve common engine oil burning problems
  1. Exact 4.5mm OEM Standard Size: This valve oil seal adopts exclusive 4.5mm standard size, perfectly matching the original valve stem of Yamaha LC135 and Y15. Zero tolerance design ensures tight fitting without gap, looseness or offset after installation, fully compatible with stock engine assembly.
  2. Upgraded Reinforced Material: Made of high-density industrial NBR rubber with built-in integral steel ring framework. It effectively enhances structural stability, avoids deformation and collapse under long-term high engine temperature and high-pressure operation, far more durable than ordinary ordinary oil seals.
  3. Powerful Anti-Leak Sealing Effect: Precision sealing structure tightly fits the valve stem gap, effectively blocking lubricating oil from entering the engine combustion chamber. It thoroughly solves common faults such as engine oil burning, blue smoke exhaust, valve oil seepage and engine power drop for LC135 and Y15 models.
  4. High Temperature & Oil Resistance: The premium NBR material features excellent heat resistance, oil corrosion resistance and anti-aging performance. It can maintain stable and lasting sealing performance in high-temperature engine working environment, not easy to harden, crack or fail after long-term riding.
  5. Cost-Effective Engine Repair Part: Direct plug-and-play replacement for aging, hardened, failed original valve oil seals. No modification, no cutting required, easy to install. It effectively reduces engine failure rate and daily maintenance cost, ideal for personal maintenance and professional repair shops.

Q1: What models does this 4.5mm valve oil seal fit? A1: This valve stem oil seal is specially designed for Yamaha LC135 and Y15 motorcycle engines, adopting exclusive 4.5mm standard size, 100% matching original valve stem installation structure.

Q2: What is the main function of this valve oil seal? A2: It is the core sealing part of the engine valve system, which mainly prevents engine oil from penetrating into the combustion chamber, solves engine oil burning and blue smoke problems, and keeps the engine sealed and stable.

Q3: Why does the original oil seal cause oil leakage? A3: The original oil seal will harden, age and lose elasticity after long-term high-temperature operation, resulting in loose sealing gaps. Replacing with our upgraded NBR oil seal can completely solve this problem.

Q4: Is this oil seal durable for long-term use? A4: Yes. Adopts reinforced steel ring + high-quality NBR rubber composite structure, with excellent anti-aging, high temperature resistance and oil resistance, effectively extending the service life compared with ordinary original oil seals.

Q5: Is modification needed during installation? A5: No modification required. Strictly manufactured according to OEM 4.5mm standard size, it is a direct plug-and-play replacement part, compatible with original engine installation position.

Miss. Candy Li

General Manager

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