Construction machinery For 1W-6990 1W6990 Cooler  CAT 3406 Excavator Engine Parts

Specification

Description

The 1W-6990 (1W6990) Cooler (Aftercooler/Intercooler) is a core heat exchange component of the turbocharged intake system, specifically designed for CAT 3406 series excavator engines in construction machinery. Featuring a tube-fin structure with a copper heat dissipation core and high-strength steel mounting flange, it meets OE-standard dimensions to ensure precise fit and seamless integration with the engine system. As a charge air cooling device, it reduces the high temperature of compressed intake air from the turbocharger, increases air density, provides sufficient oxygen for combustion, optimizes engine efficiency, and lowers thermal load to maintain stable engine operation under high-load conditions.

Advantage

OE-level Fitment: Strictly compliant with original design specifications, with perfectly matching hole positions, dimensions, and interfaces for CAT 3406 engines, enabling easy installation without modification.
High-efficiency Heat Dissipation: Copper core with dense fin design delivers excellent heat exchange efficiency, rapidly lowering intake air temperature and improving engine power response.
Durable Construction: High-strength welding process paired with a corrosion-resistant housing withstands vibration, impact, and harsh working conditions in construction machinery, ensuring long service life.
Optimized Engine Performance: Effectively suppresses detonation risks caused by high intake temperatures, reduces engine thermal load, minimizes failure probability, and extends the engine overhaul cycle.

Performance

Efficient Heat Exchange: Significantly reduces turbocharged intake air temperature, increases oxygen content in intake air, enables more complete combustion, and ensures stable power output.
Reliable Performance Under Harsh Conditions: Maintains consistent cooling efficiency even in high-load, high-temperature construction machinery operating environments, preventing power degradation and increased fuel consumption caused by overheated intake air.
Impact Resistance and Sealing: Precision welding guarantees leak-proof sealing while withstanding continuous engine vibration, with no performance degradation during long-term operation.
Easy Maintenance: Modular design facilitates later inspection and cleaning, reducing maintenance costs and adapting to the long-term high-intensity operation requirements of construction machinery.

FAQ

Q1: When will my goods be shipped?
A: Your goods will be dispatched within 24 hours after payment confirmation.

Q2: What is the lead time?
A: We maintain sufficient stock for immediate fulfillment.

Q3: What shipping methods do you offer?
A: We ship via sea, air, or express (DHL, FedEx, TNT, UPS, EMS).

Q4: What is the delivery time?
A: Stock items take 2 to 5 days; pre-order items take 7 to 15 days. Contact us for specifics.

Q5: How can I track my shipment?
A: We will provide you with the tracking number as soon as your order is shipped.

About us