Global automotive components manufacturer and distributor specializing in diesel engines, transmissions, axles, and spare parts, with operations spanning over 90 countries.
Product Details
Cummins 3642861 Aftercooler Cover for K38 Series
Durable cover for the aftercooler that protects the core and maintains efficient charge air flow on the powerful Cummins K38 diesel engine.
In demanding environments such as power generation, marine propulsion, construction, and mining, the Cummins K38 engine relies on its aftercooler to deliver dense, cool intake air for maximum power and efficiency. The 3642861 Aftercooler Cover is the essential housing component that seals the aftercooler core, directs airflow, and protects internal elements from damage while maintaining system pressure.
Manufactured to Cummins specifications, this cover provides precise fitment, strong sealing surfaces, and robust construction that withstands vibration, heat, and pressure cycles. It installs directly as a replacement, restoring full aftercooler function without modifications and helping prevent air leaks that reduce engine performance.
Product Features
- Precision-machined sealing surfaces for airtight performance
- Robust design to withstand high boost pressure and vibration
- Direct-fit replacement – no modifications required
- Protects the aftercooler core and maintains optimal airflow
- Suitable for K38 series engines in heavy-duty industrial use
Technical Specifications
| Item | Details |
|---|---|
| Part Number | 3642861 |
| Cross References | 3053201 |
| Weight | 17.2 lb (7.8 kg) |
| Package Dimensions | 30.71 × 10.24 × 8.66 inches |
| Type | Aftercooler Cover |
| Material | Premium OEM-grade construction |
| Engine Series | Cummins K38, KTA38, QSK38 (also fits K50 series) |
Compatible Applications
Ideal for Cummins K38 series engines in:
- Industrial generators and power plants
- Marine propulsion systems
- Construction and mining machinery
- Heavy-duty trucks and stationary equipment
FAQ
- What does the 3642861 aftercooler cover do? It houses and seals the aftercooler core, directing charge air flow while protecting internal components.
- Which engines is it compatible with? Designed for Cummins K38, KTA38, QSK38, and also fits K50 series engines.
- Is installation straightforward? Yes – direct replacement with no machining required (professional installation recommended).
- What are the main benefits? Restores proper sealing, prevents air leaks, and maintains optimal engine cooling and performance.
Ready to restore your K38 aftercooler performance?
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