
Specifications
- Brand
- Wehrli
- Part #
- WCF205-26
- UPC
- WCF205-26

Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung
$35.84
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Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung. CNC machined aluminum for custom intakes.
Key Features
- Fits 2001-2007 LB7, LLY, and LBZ 6.6L Duramax engines.
- CNC machined from 6061-T6 billet aluminum.
- Bottom is radius cut to fit 4" or 5" intake piping.
- Sensor mounting pad has an arrow indicating airflow direction.
- Uses M4 x 0.7mm thread mounting holes for the MAF sensor.
- Made in USA.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
This is a Wehrli MAF sensor weld bung, made from billet aluminum. It's designed to be welded onto a custom aluminum intake pipe for 2001-2007 LB7, LLY, and LBZ 6.6L Duramax engines. If you're building a custom intake for one of these trucks, this bung gives you a solid place to mount your Mass Air Flow sensor.
It's CNC machined from 6061-T6 aluminum right here in the USA. The bottom of the bung is cut with a radius to fit snugly against either 4-inch or 5-inch intake piping, which is a nice touch for custom fabrication. Wehrli also machined a small arrow on the sensor mounting pad to show you the correct direction of airflow, helping you get the sensor installed facing the right way. It uses M4 x 0.7mm threaded holes for mounting the sensor, though the hardware isn't included.
Specifications
- Brand
- Wehrli
- Manufacturer Part #
- WCF205-26
- UPC
- WCF205-26
Frequently Asked Questions
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Wehrli LB7 / LLY / LBZ Duramax MAF Sensor Aluminum Weld Bung
