Applications / Compatibility Engine: Primarily designed for John Deere 9.0 L engines (common in large tractors, harvesters, etc.). Machines / Models: According to parts lists, this pump fits John Deere tractors / machines such as 8130, 8230, 8330, 8430, 8530, 9230, 8225R, 8230T, among others. Engine Series: Linked with John Deere 6090 engine models. Key Features & Benefits High-Pressure Delivery: Being a high-pressure pump, it ensures the right fuel pressure for efficient common rail injection, which is crucial for diesel combustion performance. OEM / Denso Quality: The OEM part number (RE571640) plus Denso equivalent ensures reliability and good integration with John Deere's system. Reman Option: Remanufactured versions can be cost-effective and come with warranties, making them a viable replacement option. Direct Fit: Designed for specific John Deere engine models, so fitment should be straightforward if matched correctly.