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Valve Tappet Cummins 3947759 | 4891226, 394775900, 489122600
High-quality valve tappet designed for Cummins ISB and QSB engines to ensure precise valvetrain timing and optimal combustion efficiency.
Description
High-Performance Cummins 3947759 Valve Tappet
The Cummins 3947759 valve tappet (also known as a valve lifter) is a critical component of your engine’s valvetrain system. Engineered to meet strict industry standards, this tappet ensures precise valve timing, optimal fuel efficiency, and smooth engine operation. It is designed to withstand high-stress environments, reducing friction and wear on the camshaft lobes.
Key Features & Benefits
- Premium Durability: Manufactured from high-grade materials to resist wear and endure extreme thermal and mechanical stress.
- Optimized Engine Efficiency: Promotes precise valvetrain synchronization, boosting overall engine performance and fuel economy.
- Guaranteed Fitment: Tested to meet or exceed original equipment standards for form, fit, and function.
- Cost-Effective Reliability: Reduces maintenance overhead by preventing premature valvetrain wear.
Technical Specifications
- Part Number: 3947759
- Dimensions: 38 mm x 16 mm x 53.80 mm
- Application: Industrial Generator Sets, Medium/Heavy Duty Engines, and Trailer Mounted Generator Sets
Engine Compatibility
This valve tappet is compatible with the following Cummins diesel engines:
- Cummins ISB 4.5
- Cummins ISB 6.7
- Cummins QSB 4.5
- Cummins QSB 6.7


