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339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
Specifications
Brand Name :
CAT
Model Number :
C4.4 C6.6 C7.1
Place of Origin :
China
MOQ :
6 pcs
Price :
USA$ 45~90
Payment Terms :
T/T,Western Union
Supply Ability :
1000pcs,3-15 work days
Delivery Time :
3-15 work days
Packaging Details :
Neutral/Original
Item Name :
Engine Valve
Part number :
339-9637 3399637
Model :
C4.4 C6.6 C7.1
Application :
Diesel Engine
Brand :
CAT
Condition :
100% Brand New
Stock :
in stock
Warranty :
Discuss
Packing :
Neutral/Original
Shipping :
Sea Air Express
Description

For 339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts

Specification

Item Name
Engine Valve
Part number
339-9637 3399637
Model
C4.4 C6.6 C7.1
Application
Diesel Engine
Brand
CAT
Condition
100% Brand New
Stock
in stock
Warranty
Discuss
Packing Neutral/Original
Shipping
Sea Air Express


Description

The 339-9637 (3399637) exhaust valve is a core genuine-grade component for CAT C4.4, C6.6, and C7.1 diesel engines, widely used in construction machinery, agricultural equipment, and power generators. It controls the discharge of exhaust gases from the combustion chamber, a key role in maintaining the engine’s normal air-fuel cycle.
Manufactured to CAT’s OE specifications, it features a precision-machined stem and heat-resistant head, tailored to the high-temperature, high-pressure operating environment of CAT engines. Each unit undergoes dimensional inspection and durability testing to ensure seamless fit with engine cylinder heads, avoiding leaks or inefficient exhaust caused by mismatched parts.


Advantage

  • OE-Grade Fit & Compatibility: Exact match for CAT C4.4/C6.6/C7.1 engines, with consistent stem diameter and valve seat size. Plug-and-play installation reduces maintenance time and assembly errors.
  • Extreme Heat Resistance: Made of heat-resistant alloy steel (Inconel-based) with a ceramic coating, it endures exhaust temperatures up to 1200°C without deformation or cracking, service life 3x longer than generic valves.
  • Sealing Reliability: Precision-ground valve face ensures tight sealing with the seat, minimizing exhaust gas backflow. Reduces fuel waste and prevents cylinder head damage from high-pressure leaks.
  • Cost-Effective Durability: Resists wear and corrosion, lowering replacement frequency. Avoids secondary repairs caused by premature valve failure, ideal for high-hour engine operations.

Performance

  • Optimized Exhaust Efficiency: Smooth valve opening/closing (response time <0.05s) ensures rapid exhaust discharge, improving engine air-fuel ratio. Boosts power output by 5-8% and fuel efficiency by 6-10%.
  • Stable High-Temp Performance: Maintains structural integrity after 8000+ hours of high-temperature operation, with valve stem wear <0.01mm. Avoids valve sticking or seat recession issues.
  • Low Maintenance Requirement: Compatible with standard engine lubrication systems, reducing friction between stem and guide. Extends valve service interval to 12000+ hours, cutting maintenance costs.
  • Wide Environmental Adaptability: Works stably in harsh conditions (dust, humidity, temperature -30°C to 50°C), suitable for construction, mining, and agricultural scenarios. Ensures engine reliability in extreme environments.

FAQ

Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent,
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. 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.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 1 to 5 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,no matter where they come from.


Packing & Delivery

339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts

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339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts

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Product Detail
Brand Name :
CAT
Model Number :
C4.4 C6.6 C7.1
Place of Origin :
China
MOQ :
6 pcs
Price :
USA$ 45~90
Payment Terms :
T/T,Western Union
Contact Supplier
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts

Guangzhou Pinxin Engine Co., Ltd.

Verified Supplier
1 Years
Business Type :
Distributor/Wholesaler
Main Products :
Excavator Engine Assembly, Cylinder Liner Assembly, Engine Cylinder Liner
Employee Number :
80~100
Certification Level :
Verified Supplier
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