Cummins Keyway Seal 3008947 – Precision Sealing for Crankshaft Keyways
The Cummins Keyway Seal 3008947 is an essential sealing component designed to stop oil leakage around crankshaft or camshaft keyways in high-performance diesel engines. As a genuine Cummins part, it delivers long-lasting reliability under constant rotation and exposure to fluids. Moreover, it fits perfectly with Cummins and CCEC engine configurations, ensuring compatibility and ease of use.
🔩 Specifications
- Part Number: 3008947
- Part Name: Keyway Seal
- Material: High-durability elastomer (NBR or FKM depending on application)
- Color: Black
- Design Type: Molded ring with a precise inner profile
- Condition: 100% Brand New
- Category: Engine Sealing Components
- Origin: Manufactured to Cummins OEM specifications
- Compatibility: Fits selected Cummins and CCEC engines (please verify with ESN)
⭐ Key Features
- Effectively prevents oil seepage from crankshaft and camshaft keyway areas
- Maintains sealing integrity, even under heat, vibration, and pressure
- Direct-fit design – no modification needed
- Fully compatible with other Cummins shaft-related parts
- Resistant to contamination from oil, fuel, and coolant
⚙️ Technical Insights
To better understand its performance:
- Sealing Function: This seal keeps oil from leaking along key slots, especially under high RPMs and demanding conditions.
- Material Performance: Usually made with FKM (fluorocarbon rubber) for strong resistance to heat, oil, and oxidation.
- Form Factor: Small, precision-molded shape for easy installation and even pressure distribution.
- OEM Precision: Designed to match Cummins tolerances, helping to avoid issues like shaft wear or seal displacement.
🛠 Application Scenarios
This keyway seal is typically used in:
- Crankshaft and camshaft assemblies needing precise rotation sealing
- Heavy-duty Cummins engines for on-road and off-road use
- Diesel generator sets where long operational performance matters
- Marine and oilfield equipment using CCEC parts systems
- Engine overhauls and complete front gear housing reseals
📦 Availability
The Cummins 3008947 Keyway Seal is in stock and ready for worldwide shipping.
✅ To ensure a correct fit, please provide your engine serial number (ESN).
Our support team is always ready to help with part verification and installation advice.
