Diamond Eye Kit 4in TB Sgl AL: 98.5-02 Dodge Cummins 5.9L
Diamond Eye Kit 4in TB Sgl AL: 98.5-02 Dodge Cummins 5.9L
Part number: DEPK4212A
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Listed for: Dodge Cummins 5.9LFitment notes & questions
Diamond Eye Kit 4in TB Sgl AL: 98.5-02 for the Dodge Cummins with the 5.9L engine. Replacement parts keep a factory turbo system working; upgrades raise its limits.
Specifications
- Brand: Diamond Eye
- Part type: Turbo part
- Engine: 5.9L
Fitment for the Dodge Cummins
Listed for the Dodge Cummins with the 5.9L engine. Check your year, model and trim against the title before you order.
What it does
Boost changes need fuel and tuning to match, or the engine can run lean. Air and fuel parts decide how well the engine breathes and how cleanly it runs, so the right part restores smooth running and can support more power on a modified engine.
Installation & tips
- Change fuel and tuning together with boost, and check for leaks with a boost leak tester.
- Tuning: Most boost changes need a tune.
- Couplers and clamps: Old couplers split under boost.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
Which engine is it for?
It is listed for the 5.9L engine in the Dodge Cummins. Check the engine code on your vehicle if it was offered with more than one engine.
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Confirm your year, make, model, engine and trim match the fitment listed above (Dodge Cummins 5.9L).

About this turbo part for the Dodge Cummins 5.9L
Replacement parts keep a factory turbo system working; upgrades raise its limits.
Fitment notes
- Listed for: Dodge Cummins 5.9L.
- Model years: 98.5-02. If your year sits at the edge of the range, check the details above.
- Engine: the same car can take different parts for each engine option, so check yours.
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentParts that usually go with it
- Tuning. Most boost changes need a tune.
- Couplers and clamps. Old couplers split under boost.
More for your car: Dodge Parts · Fuel & air intake
Questions about Dodge Cummins 5.9L turbo part
Will this fit my Dodge Cummins 5.9L?
Do I need a tune?
Where do specs and warranty details come from?
Questions & answers
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