J08C Exhaust Valve 13715-1730 For Hino Truck Engine Size 37 X 133

Product Specification

Hino500 Engine J08C Air Exhaust Valve 
 

 
1. Inlet valve use Cr40,It has good performance such as wear resistance, chemical corrosion resistance, tensile strength, high elasticity, high pressure load resistance, high wear resistance strength, strong shock absorption, tear resistance, radiation resistance, high load bearing, shock absorption and cushioning. Has good comprehensive mechanical properties, good low-temperature impact toughness and low notch sensitivity.
 
2. Outlet valve use 21-4N, a kind of High-strength steel with high temperature resistance, corrosion resistance, distortion resistance and anti-seepage tensile steel, it can meet the working conditions of the exhaust valve of a heavy-duty gasoline engine and has a long life.

Function of Exhaust Valves
The exhaust valve is a crucial component in an internal combustion engine, responsible for managing the expulsion of burnt gases from the combustion chamber. Its primary functions include:
Gas Release – Opens during the exhaust stroke to allow hot, high-pressure combustion gases to exit the cylinder.
Sealing the Combustion Chamber – Closes tightly during intake, compression, and power strokes to maintain cylinder pressure.
Heat Dissipation – Withstands extreme temperatures (up to 800–900°C in gasoline engines, higher in diesel/turbo engines).
Emission Control – Ensures efficient expulsion of exhaust gases to reduce backpressure and improve engine efficiency.
Materials Used in Exhaust Valves
Exhaust valves endure much harsher conditions than intake valves, requiring materials with superior heat and corrosion resistance. Common materials include:
Heat-Resistant Stainless Steel (e.g., 21-2N, 21-4N, Inconel 751) – High nickel and chromium content for thermal stability.
Inconel (Nickel-Chromium Superalloy) – Used in high-performance and turbocharged engines for extreme heat resistance.
Titanium (in racing/performance engines) – Lightweight but expensive; often coated for wear resistance.
Sodium-Filled Valves – Hollow stems filled with sodium to improve heat transfer (common in high-stress engines).
Stellite or Ceramic Coatings – Applied to valve faces for enhanced wear and corrosion resistance.
Design Features
Reinforced Valve Head – Thicker design to handle thermal stress.
Hardened Valve Seat Contact Area – Prevents erosion from hot exhaust gases.
Stem Surface Treatments (e.g., chrome plating, nitriding) – Reduces friction and wear.
Challenges & Innovations
Thermal Fatigue & Oxidation – Advanced alloys and coatings extend valve life.
Weight Reduction – Titanium and hollow-stem designs improve high-RPM performance.
 

 

HOW TO CONTACT US
 

 
 
Our Service
 
1. Supply ISUZU genuine parts , ISUZU Bvp parts , OEM parts , high cost performance China manufacture parts .
 
2. General agent of ORIGIN PARD in China.
 
3. Thirty years of retail and wholesale experience . The sales group with average of five years experience , can answer any professional question . Equipped with a professional quality inspection team.
 
4. Running seven stores , manage in commercial vehicle and industrial engine parts.
 
5. Can offer competitive purchase price to our client , cause we attain developed distribution channel over the world.
 
 
FAQ
 
1.Q:What is your terms of payment?
A:T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
 
2.Q:Are you manufacturer or trading company?
A: We are both factory and trading company , we combination for more than 10 years. We have invested in 3 factories.
 
3.Q: How about the delivery time of the goods?
A: For testing sample, which it depends on the storage.
For bulk production, the delivery time is about 15-30 days based on order situation.
 
4.Q.:Can you produce according to the samples?
A: Clients’ sample is welcome. We are able to produce the specific products according to your sample.
If you do not find the product you need, tell us detailed information, we have the ability to design and manufacture as requested.
 
5.Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.