Cummins Plain Woodruff Key 3021601 – Precision Drive Train Alignment Component
The Cummins Plain Woodruff Key 3021601 is a precision-machined, semicircular fastener designed to ensure secure rotational alignment between key engine parts such as crankshafts, pulleys, and gears. As part of the genuine Cummins parts lineup, this small yet essential component helps maintain torque transfer integrity in both Cummins and CCEC engine systems.
🔩 Specifications
- Part Number: 3021601
- Part Name: Plain Woodruff Key
- Material: Hardened steel (carbon/alloy grade)
- Type: Type A – Plain, semicircular
- Dimensions: OEM-specific (see Cummins service manual)
- Condition: 100% Brand New
- Category: Engine Fastening & Alignment Components
- Origin: Made to Cummins OEM standards
- Compatibility: Fits select Cummins and CCEC assemblies (verify with ESN or part diagram)
⭐ Key Features
Here’s why the 3021601 Woodruff Key stands out:
- Keeps rotating engine components aligned with high precision
- High-strength steel resists shear and wear under heavy torque
- Precision-machined to tight tolerances for a secure fit
- Corrosion-resistant finish ensures long-lasting performance
- Direct OEM replacement for Cummins and CCEC configurations
⚙️ Technical Insights
Additionally, the Woodruff Key offers several engineering benefits:
- Efficient Torque Transfer: Evenly distributes load between shaft and hub to prevent slippage
- Fatigue Resistance: Hardened surface withstands cracking and wear, even under frequent start-stop cycles
- Precision Fit: Matches Cummins keyway profiles to minimize vibration and misalignment
- Improved Reliability: Essential for timing-critical applications, such as crankshaft-to-pulley or gear couplings
🛠 Application Scenarios
This part is ideal for a variety of Cummins engine systems, including:
- Crankshaft and camshaft assemblies in diesel engines
- Gear-driven accessories such as fuel pumps and oil pumps
- Engine timing and balancer setups in on-highway vehicles
- Stationary power systems using CCEC components
- Rebuild kits or engine overhauls requiring secure rotational alignment
📦 Availability & Fitment
The Cummins 3021601 Woodruff Key is in stock and available for worldwide shipping.
To ensure the perfect fit, please provide your Engine Serial Number (ESN). Our technical support team will help confirm compatibility and guide you through installation if needed.