Fleece Intake & Grid Heater Upgrade Kit for 2007.5-2024 Cummins 6.7L

Avoid catastrophic grid heater nut failure on your Cummins by upgrading your truck to the all-new Fleece cast intake and grid heater update. This truly is the most complete kit available to address the OEM grid heater nut failures on Cummins 6.7L engine. The direct replacement intake horn and high-flow intake plate increase overall engine airflow and replace the OEM style grid heater with a robust coil heating element. For our cold weather customers who experience sustained temperatures below 23°F (-5°C), our cold weather kit adds an additional 700W heating element – together this combination provides for proven startability down to -35° Celsius! Protect your investment with confidence with the latest from Fleece Performance.

Application Notes:

• Fits 2007.5-2024 2500/3500/4500/5500 6.7L Cummins Engines
• Works with Dual Alternator Equipped Trucks
• CARB EO Pending
• Replaces Cummins OE# 5335502

Whats in the Kit:

• All Associated Gaskets.( Intake Runner, Intake Horn, Throttle Valve, EGR Valve, and EGR Crossover Tube Gaskets for both Passenger Truck and Commercial Chassis Trucks.)
• Clearly Bagged and Labeled Hardware Kits for Component Installation
• Labeled Electrical Connections make Installation Quick & Easy
• Works with OEM & Direct Replacement Aftermarket High Pressure Fuel Lines. No Proprietary High Pressure Injection Line Needed.

Cold Weather Performance:

Optimized heater design and placement in the intake air stream ensure you get the most efficient heating possible with a single, 700W heating element. For the coldest weather customers who experience sustained temperatures below 23°F (-5°C), our cold weather kit (FPE-CUMM-IAH-X2) adds an additional 700W heating element – together this combination has been tested and validated for startability down to -35° Celsius! Compared with other kits on the market, the Fleece Performance kit achieves the same levels of cold temperature startability with lower wattage and less strain on your grid heater relay!

Recommended Cold Weather Startability Configuration:

• Sustained Temperature Fahrenheit (Celsius) Configuration
• Sustained Cold Startability Test
• 32°F (0°C) Single Heater PASS
• 23°F (-5°C) Single Heater PASS
• 5°F (-15°C) Cold Weather – Dual Heater PASS
• -13°F (-25°C) Cold Weather – Dual Heater PASS
• -31°F (-35°C) Cold Weather – Dual Heater PASS

** All testing was performed on a 2024 Ram 2500 with the block heater in use and sufficiently charged 12V batteries. Oil and weight: Freedom Series 100% Synthetic 10W-30

Fleece Intake and Grid Heater Kit Features:

• Eliminates the risk of engine damage from the OE style grid heater nut failure.
• Improves throttle response and airflow with lower intake restriction.
• Allows for reuse of the OE high pressure fuel lines and direct replacement options – no proprietary fuel line problems to worry about.
• The most complete kit on the market - includes all necessary hardware and gaskets.
• High flow 700W coil heater along with a new high flex heater cable and new grounding cable.
• Factory appearance with the highest-level fit and finish.
• Precision machined, cast aluminum high flow intake horn and plate.
• 1/8” NPT port for sensor installation.
• Optional, secondary heater for cold weather startability down to -35 degrees Celsius.