Cummins

The Cummins 3034243 is a genuine heavy-duty fuel pump drive gear engineered for the rigorous demands of high-displacement diesel engines. This precision-machined gear is a critical component in the mechanical timing and delivery system, ensuring the synchronized operation of the fuel pump for consistent combustion pressure. Specifically designed for Cummins N14, M11, K-Series, and QSK platforms, the 3034243 is manufactured from high-tensile forged steel to withstand the extreme torsional stresses and heat cycles inherent in industrial and long-haul applications. Weighing 4 lbs, this robust gear features a specialized tooth profile designed to minimize mechanical noise and parasitic drag while maximizing torque transfer. Installing an authentic Cummins 3034243 gear is essential for preventing premature drive-train wear and ensuring the long-term reliability of your engine&#39;s fuel delivery system.

Specifications: 
&ndash; Part Number: 3034243 
&ndash; Brand: Cummins 
&ndash; Component Type: Fuel Pump Drive Gear 
&ndash; Weight: 4.0 lb (1.81 kg) 
&ndash; Dimensions: 5.45 in L x 5.5 in W x 4.5 in H 
&ndash; Material: High-strength forged alloy steel 
&ndash; Condition: New Genuine 
&ndash; Shipment: Non-Hazardous (NOI, ICE/Auto)

Product Details: 
&ndash; Precision Tooth Geometry: Engineered to exact OEM tolerances to ensure perfect mesh with the engine&#39;s timing gear train, reducing vibration and gear chatter. 
&ndash; Heat-Treated Durability: Undergoes advanced induction hardening to resist surface pitting and tooth fatigue during 24/7 heavy-load operations. 
&ndash; Optimized Mass: The 4 lb solid steel construction provides the necessary inertia and structural rigidity to handle high-pressure fuel injection loads. 
&ndash; Corrosion Resistance: Treated with an industrial-grade oil-film coating to prevent oxidation during storage and early installation phases.

Applications: 
&ndash; Cummins N14 &amp; M11 Series: A vital replacement part for maintaining fuel system timing in classic heavy-duty truck engines. 
&ndash; K-Series (K19, K38, K50): Reliable performance in massive marine, power generation, and mining engine platforms. 
&ndash; QSK Quantum Series: Fully compatible with high-horsepower QSK engines requiring precise electronic/mechanical interface. 
&ndash; Industrial &amp; Rail: Ideal for locomotive and high-capacity pumping units where uptime is the primary requirement.

Key Features: 
&ndash; Genuine Cummins Quality: Matches the exact hardness and metallurgy of the original factory-installed gear, preventing damage to mated timing gears. 
&ndash; Minimized Backlash: Precision-milled bores and splines ensure a zero-slip connection to the fuel pump shaft, maintaining accurate injection timing. 
&ndash; Extended Service Life: Designed to outlast aftermarket cast alternatives, significantly reducing the risk of catastrophic timing failure. 
&ndash; Direct Fitment: Standardized dimensions (5.45&quot; x 5.5&quot;) allow for seamless integration without the need for additional shims or modifications.

Order the genuine Cummins 3034243 Fuel Pump Drive Gear. Durable 4 lb forged steel gear for N14, M11, and K-Series diesel engines. Ensure precise fuel timing and OEM reliability.

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Cummins 3034243 Fuel Pump Drive Gear

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