John Deere O-Ring – part no. L33374 is a precision-manufactured sealing component designed to provide a reliable, leak-free seal in fluid, fuel, hydraulic, and air systems across a variety of John Deere equipment. Made from high-quality elastomeric material that is compatible with oils, fuels, coolants, and hydraulic fluids, this O-ring helps maintain system integrity, prevent fluid loss, and support consistent performance in demanding environments.

Used in applications where two mating surfaces require a flexible yet durable seal, the L33374 O-ring is a critical maintenance and repair component for routine service or rebuilds.

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Key Features

• Genuine John Deere OEM Part – Precisely engineered for correct fit and OEM performance

• Durable Elastomer Construction – Resists oil, fuel, hydraulic fluid, and coolant exposure

• Reliable Sealing Performance – Helps prevent leaks and maintain system pressure

• Wide Service Compatibility – Suitable for multiple sealing locations on machines

• Essential Maintenance Component – Ideal for repair, overhaul, and preventative maintenance

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Typical Applications — Models This O-Ring Fits

The John Deere O-Ring L33374 is used in various fluid systems wherever this specific seal size and specification are required. Common applications include engine, hydraulic, and fuel systems on a broad range of equipment:

Tractors & Utility Vehicles:

• John Deere 100 Series lawn tractors

• Compact tractors in the 1xxx and 2xxx Series

• Utility tractors such as 2025R, 2032R, 2038R

• Larger utility tractors in the 3xxx and 4xxx Series

Mowers & Turf Equipment:

• Riding mowers and zero-turn mowers in the ZTrak, X Series, S Series families

• Commercial turf equipment with hydraulic manifolds and hose fittings

Construction & Industrial Equipment:

• John Deere loaders, backhoes, skid-steers, and excavators with similar sealing points

• Hydraulic cylinders, valves, and pumps requiring OEM-specified O-ring seals

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Product Details

• Product Type: Sealing O-Ring

• Part Number: L33374

• Brand: John Deere Genuine OEM

• Material: Elastomer compatible with oils, fuels, hydraulic fluids, and coolants

• Application: Fluid, fuel, or air sealing in engines, hydraulics, and other assemblies

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Why Choose the John Deere L33374 O-Ring

The John Deere O-Ring L33374 provides dependable sealing performance in critical fluid systems — helping prevent fluid loss, maintain pressure, and protect engine, hydraulic, or fuel system components. Using a genuine OEM O-ring ensures the precise size, material compatibility, and longevity your equipment requires, reducing the risk of leaks and costly downtime. Whether you’re performing routine maintenance, replacing a worn seal, or completing a rebuild, this O-ring is a reliable choice for keeping your machine operating at peak performance.