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5579409PX Genuine Cummins Fuel Injector Set For XPI ISC ISL 8.9L

P/N: 5579409PX Manufactured by: Cummins
Original price $1,135.00 - Original price $1,135.00
Original price
$1,135.00
$1,135.00 - $1,135.00
Current price $1,135.00
4 in Stock
Condition: New
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Description

The 5579409PX is a genuine Cummins fuel injector set engineered for ISC and ISL 8.9L diesel engines equipped with the XPI fuel system. It is designed to provide controlled high-pressure fuel delivery for proper combustion performance and emissions operation.

Vehicle Compatibility

Year Vehicle Engine Trims
2013 Chevrolet Silverado 2500 HD 6.0L V8 Gas, 6.0L V8 Flex, 6.0L V8 CNG, 6.6L V8 Diesel All trims
2013 Chevrolet Silverado 3500 HD 6.0L V8 Gas, 6.0L V8 Flex, 6.6L V8 Diesel All trims
2013 Chevrolet Suburban 1500 5.3L V8 Gas, 5.3L V8 Flex All trims
2013 Chevrolet Suburban 2500 6.0L V8 Flex All trims
2013 Chevrolet Tahoe 5.3L V8 Gas, 5.3L V8 Flex, 6.0L Hybrid All trims
2013 Chevrolet Traverse 3.6L V6 Gas All trims
2013 GMC Sierra 1500 4.3L V6 Gas, 4.8L V8 Flex, 5.3L V8 Flex, 6.2L V8 Flex All trims
2013 GMC Sierra 2500 HD 6.0L V8 Gas, 6.0L V8 Flex, 6.0L V8 CNG, 6.6L V8 Diesel All trims
2013 GMC Sierra 3500 HD 6.0L V8 Gas, 6.0L V8 Flex, 6.6L V8 Diesel All trims
2013 GMC Yukon 5.3L V8 Flex, 6.2L V8 Flex All trims
2013 GMC Yukon XL 1500 5.3L V8 Flex, 6.2L V8 Flex All trims


General Specifications

Condition New
Part Number 5579409PX
Brand Cummins
Part Type Fuel Injector
Years 2016–2024
Vehicle Peterbilt
Engine 8.9L ISC/ISL Diesel
Weight 5.2 lb


Product Features

The 5579409PX fuel injector set is built for original Cummins XPI fuel system applications:

  • Genuine Cummins fuel injector set for ISC and ISL 8.9L diesel engines
  • Designed for factory XPI high-pressure fuel injection systems
  • Helps deliver accurate fuel injection under varying engine load conditions
  • Supports proper combustion efficiency and emissions system performance
  • Manufactured to match original Cummins injector calibration standards
  • Built for correct operation with factory fuel management components
  • Direct replacement fitment for compatible Cummins diesel applications

Application Notes

The 5579409PX fuel injector set is intended for engines equipped with the original Cummins XPI fuel system specified above. Injector bores, fuel connections, and sealing surfaces should be cleaned thoroughly before installation to help maintain correct injector operation.

Always verify part number, engine model, and fuel system configuration before installation.

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