These CAT 3406B / 3406C Magnetic Intake Covers are designed specifically to seal intake ports and prevent debris, dirt, bolts, or contaminants from entering the engine during teardown, remanufacturing, or installation. Total of 6 included in a pack.

Manufactured in house, these covers feature embedded high-strength magnets that securely hold to the intake surface — eliminating the need for tape, rags, or makeshift block-offs.

Ideal for:

• Diesel engine rebuild shops

• CAT 3406B & 3406C remanufacturing

• Field service technicians

• Engine transport & storage

• Preventing contamination during head removal

Key Features:

- Fits CAT 3406B and CAT 3406C intake ports
- Heavy-duty hard rubber construction
- Embedded industrial magnets for secure hold
- Reusable & oil-resistant
- Prevents dirt, debris, and hardware from entering engine
- Saves time during teardown and assembly
- Professional shop-grade solution

Why Use Magnetic Intake Covers?

Contamination is one of the biggest causes of premature engine failure during rebuilds. These intake covers help maintain a clean workspace and protect your investment in every reman job.

Stop using rags. Stop using tape.
Upgrade to a professional solution built for diesel techs.