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S&S Diesel 2017-2026 L5P Duramax CP3 Conversions

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S&S Diesel 2017-2026 L5P Duramax CP3 Conversions

S&S Diesel 2017-2026 L5P Duramax CP3 Conversions

Designed for high-performance and competition diesel applications, the S&S Diesel CP3 Conversion replaces the factory high-pressure pump with a proven Bosch-based CP3 platform, delivering consistent fuel volume, improved durability, and superior RPM stability.

Each pump starts as a brand-new Bosch CP3 core and is precision-modified in-house by S&S Diesel Motorsport for maximum reliability and output. The result is smooth, linear fuel delivery all the way to 4,000 RPM while maintaining excellent efficiency and drivability.

This conversion is fully compatible with the factory low-pressure supply pump and includes an individual test report verifying flow and performance prior to shipment.

  • Improved high-pressure fuel pump conversion for competition engines
  • New Bosch base CP3 modified by S&S
  • Maintains linear output and efficiency up to 4,000 RPM
  • Compatible with the factory supply pump
  • Test report included with each pump
  • Available with a 10mm, 12mm, or 14mm stroker CP3
  • Fits 2017 to current GM trucks with the L5P Duramax
Vehicle Fitment by Year
  • 2017 GMC Sierra 2500HD – 6.6L Duramax
  • 2017 GMC Sierra 3500HD – 6.6L Duramax
  • 2017 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2017 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2018 GMC Sierra 2500HD – 6.6L Duramax
  • 2018 GMC Sierra 3500HD – 6.6L Duramax
  • 2018 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2018 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2019 GMC Sierra 2500HD – 6.6L Duramax
  • 2019 GMC Sierra 3500HD – 6.6L Duramax
  • 2019 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2019 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2020 GMC Sierra 2500HD – 6.6L Duramax
  • 2020 GMC Sierra 3500HD – 6.6L Duramax
  • 2020 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2020 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2021 GMC Sierra 2500HD – 6.6L Duramax
  • 2021 GMC Sierra 3500HD – 6.6L Duramax
  • 2021 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2021 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2022 GMC Sierra 2500HD – 6.6L Duramax
  • 2022 GMC Sierra 3500HD – 6.6L Duramax
  • 2022 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2022 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2023 GMC Sierra 2500HD – 6.6L Duramax
  • 2023 GMC Sierra 3500HD – 6.6L Duramax
  • 2023 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2023 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2024 GMC Sierra 2500HD – 6.6L Duramax
  • 2024 GMC Sierra 3500HD – 6.6L Duramax
  • 2024 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2024 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2025 GMC Sierra 2500HD – 6.6L Duramax
  • 2025 GMC Sierra 3500HD – 6.6L Duramax
  • 2025 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2025 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2026 GMC Sierra 2500HD – 6.6L Duramax
  • 2026 GMC Sierra 3500HD – 6.6L Duramax
  • 2026 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2026 Chevrolet Silverado 3500HD – 6.6L Duramax
Select Applications
From $2,912.00
S&S Diesel 2017-2026 L5P Duramax CP3 Conversions—
$2,912.00

Product Information

Shipping & Returns

Description

Designed for high-performance and competition diesel applications, the S&S Diesel CP3 Conversion replaces the factory high-pressure pump with a proven Bosch-based CP3 platform, delivering consistent fuel volume, improved durability, and superior RPM stability.

Each pump starts as a brand-new Bosch CP3 core and is precision-modified in-house by S&S Diesel Motorsport for maximum reliability and output. The result is smooth, linear fuel delivery all the way to 4,000 RPM while maintaining excellent efficiency and drivability.

This conversion is fully compatible with the factory low-pressure supply pump and includes an individual test report verifying flow and performance prior to shipment.

  • Improved high-pressure fuel pump conversion for competition engines
  • New Bosch base CP3 modified by S&S
  • Maintains linear output and efficiency up to 4,000 RPM
  • Compatible with the factory supply pump
  • Test report included with each pump
  • Available with a 10mm, 12mm, or 14mm stroker CP3
  • Fits 2017 to current GM trucks with the L5P Duramax
Vehicle Fitment by Year
  • 2017 GMC Sierra 2500HD – 6.6L Duramax
  • 2017 GMC Sierra 3500HD – 6.6L Duramax
  • 2017 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2017 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2018 GMC Sierra 2500HD – 6.6L Duramax
  • 2018 GMC Sierra 3500HD – 6.6L Duramax
  • 2018 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2018 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2019 GMC Sierra 2500HD – 6.6L Duramax
  • 2019 GMC Sierra 3500HD – 6.6L Duramax
  • 2019 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2019 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2020 GMC Sierra 2500HD – 6.6L Duramax
  • 2020 GMC Sierra 3500HD – 6.6L Duramax
  • 2020 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2020 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2021 GMC Sierra 2500HD – 6.6L Duramax
  • 2021 GMC Sierra 3500HD – 6.6L Duramax
  • 2021 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2021 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2022 GMC Sierra 2500HD – 6.6L Duramax
  • 2022 GMC Sierra 3500HD – 6.6L Duramax
  • 2022 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2022 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2023 GMC Sierra 2500HD – 6.6L Duramax
  • 2023 GMC Sierra 3500HD – 6.6L Duramax
  • 2023 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2023 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2024 GMC Sierra 2500HD – 6.6L Duramax
  • 2024 GMC Sierra 3500HD – 6.6L Duramax
  • 2024 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2024 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2025 GMC Sierra 2500HD – 6.6L Duramax
  • 2025 GMC Sierra 3500HD – 6.6L Duramax
  • 2025 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2025 Chevrolet Silverado 3500HD – 6.6L Duramax
  • 2026 GMC Sierra 2500HD – 6.6L Duramax
  • 2026 GMC Sierra 3500HD – 6.6L Duramax
  • 2026 Chevrolet Silverado 2500HD – 6.6L Duramax
  • 2026 Chevrolet Silverado 3500HD – 6.6L Duramax