339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
For 339-9637 3399637 Exhaust Valve CAT C4.4 C6.6 C7.1 Excavator Engine Parts
Specification
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Item Name
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Engine Valve
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Part number
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339-9637 3399637
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Model
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C4.4 C6.6 C7.1
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Application
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Diesel Engine
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Brand
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CAT
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Condition
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100% Brand New
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Stock
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in stock
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Warranty
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Discuss
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| Packing | Neutral/Original |
Shipping
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Sea Air Express
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Description
Advantage
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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.
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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.
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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.
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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
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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%.
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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.
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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.
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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
Get in Touch
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