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heavy-duty diesel mechanical repair

This bundle focuses on essential components and tools for performing a P-pump to rotary pump swap on a 5.9 Cummins diesel engine. It is intended for mechanics and enthusiasts undertaking this specific engine modification. The products collectively support the successful execution of this intricate and demanding repair.

Curated by The Shelf Curator · Updated June 2026

Built for experienced diesel owners performing a mechanical conversion to improve reliability or simplify timing. Not for those keeping stock electronic controls — this shop focuses on the precise hardware needed for a manual pump swap.

Curator's pick: Cummins Diesel Timing Pin Tool

Without this, you're just guessing where top dead center is on a 12-valve. Most plastic versions snap under the slightest pressure, so I prioritize this one because the weight and fit suggest it will actually survive more than one swap.

⚠ Worth knowing: A P7100 swap is labor-intensive and requires high-clearance wrenches that regular socket sets can't replace. If you don't have a clean, grit-free workspace, opening the fuel system for this swap will likely ruin your new pump faster than the old one failed.

5.9 Cummins Block Inspection and Gasket KitsHeavy-Duty Turbocharger Upgrades for 12-ValveDiesel Performance Injector Calibration and Nozzle Sets
P7100 Injection Pump Reseal Kit

P7100 Injection Pump Reseal Kit

98%
ASIN:
B07NYNBM9R
Engine Parts$50 - $150

This kit provides all necessary seals and gaskets for rebuilding or resealing a P7100 injection pump. It is for mechanics and diesel technicians maintaining or upgrading 5.9 Cummins engines. The kit prevents common leaks and ensures proper pump function after service.

  • Nitrile rubber and viton seals
  • Gaskets for common leak points
  • For P7100 injection pumps
  • Diesel and oil resistant materials

In this shop: The P7100 Injection Pump Reseal Kit aligns with the heavy-duty diesel mechanical repair vibe by providing crucial components for maintaining a key engine part.

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Cummins Diesel Timing Pin Tool

Cummins Diesel Timing Pin Tool

95%
ASIN:
B0B8T3K933
Tools$30 - $80

The Cummins Diesel Timing Pin Tool is a specialized instrument used to precisely set engine timing. It is essential for mechanics and DIYers performing fuel injection pump installations or engine rebuilds on Cummins diesels. This tool ensures the engine operates with correct timing, preventing damage and optimizing performance.

  • Hardened steel construction
  • Precision machined tip
  • Engine timing accuracy tool
  • For Cummins diesel applications

In this shop: The Cummins Diesel Timing Pin Tool fits the heavy-duty diesel mechanical repair theme by being a specialized instrument for precise engine work.

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High Pressure Fuel Lines Set

High Pressure Fuel Lines Set

92%
ASIN:
B08D3KF2YT
Fuel System$100 - $300

This set of high-pressure fuel lines is designed to deliver fuel from the injection pump to the injectors. It is for individuals swapping injection pump types, such as from P-pump to rotary, on a 5.9 Cummins. Compatible lines ensure secure, leak-free fuel transfer critical for engine operation.

  • Steel braided construction
  • Pre-bent for specific engine fits
  • High pressure fuel delivery
  • Corrosion resistant fittings

In this shop: The High Pressure Fuel Lines Set contributes to the heavy-duty diesel mechanical repair vibe by addressing a specific component replacement in a pump swap.

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Industrial Degreaser and Cleaner

Industrial Degreaser and Cleaner

90%
ASIN:
B0007RVL5Y
Maintenance$15 - $40

Industrial Degreaser and Cleaner is a potent cleaning solution formulated to break down heavy grease, oil, and grime. It is for mechanics and detailers working on engines, components, and shop floors, especially in diesel environments. This product aids in preparing surfaces for new seals or coatings and maintaining cleanliness.

  • Concentrated alkaline formula
  • Dissolves heavy grease and oil
  • Safe on most metals and plastics
  • Industrial strength cleaning

In this shop: The Industrial Degreaser and Cleaner fits the heavy-duty diesel mechanical repair context as a practical necessity for maintaining a clean and functional workspace.

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Gear Puller Set

Gear Puller Set

96%
ASIN:
B07ZYM6445
Tools$25 - $60

A Gear Puller Set contains various sizes and types of pullers designed to remove gears, pulleys, and bearings from shafts. This set is for mechanics and technicians who frequently disassemble machinery and engines. It simplifies the demanding task of component removal without causing damage.

  • Alloy steel construction
  • Two and three jaw configurations
  • Up to 6-ton capacity
  • Internal and external pulling

In this shop: The Gear Puller Set is relevant to the heavy-duty diesel mechanical repair vibe as a fundamental tool for disassembling engine components.

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Magnetic Work Light

Magnetic Work Light

88%
ASIN:
B0FSKH5T1D
Lighting$20 - $70

A Magnetic Work Light is a portable lighting device with a magnetic base for hands-free operation. It is for mechanics, electricians, and anyone needing targeted illumination in confined, dark spaces. This tool improves visibility, enhancing safety and precision during complex repairs.

  • COB LED light source
  • Strong magnetic base
  • Rechargeable battery (USB)
  • Durable, impact-resistant casing

In this shop: The Magnetic Work Light complements the heavy-duty diesel mechanical repair vibe by providing essential visibility in challenging work environments.

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