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LS3 MAF Mass Air Flow Sensor Weld Bung (for LS Custom Intake Tube)

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Mass Air Flow Mounting Flange

Compatible with LS3,LS7, VW, Coyote, and all GM LT series engines 2014 and newer (see below)

  • Radius cut on bottom to accept 4" pipe (can be used with 2.5"-5" pipe with more weld)
  • Made in Wichita, Kansas from 6061-T6, USA produced, billet aluminum
  • Includes 1 weld bung and 2 bolts

Compatible with many sensor part numbers and vehicle RPO codes including, but not limited to the following:

  • Gen III, IV, and V, engine RPO codes: LS3, LS7, LS9, LSA, LT1, LT2, L82, L83, L84, L86, L87, L8B, LT4, LT5
  • 15865791, 23262343, 23262344, 22895480, 23144941, 2134222, 12576410, 2133134
  • Corvette, Z06, Camaro, ZL1, CTS-V, CT6, ATS, Chevrolet Silverado, GMC Sierra

More Information

Bullet Point 1 This mounting flange can be welding to aluminum intake tubing to be able to install your mass air flow sensor into your custom intake pipe
Manufacturer Part Number 551545
UPC 682384790588
Weight 0.180000
ICT Manufacturer ICT Billet
United States United States
Length Inches 2
Width Inches 2
Height Inches 1

WARNING - This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to


ALUMINUM: Most of the aluminum alloys used today contain some level of lead, usually less than .1%. Lead is known to the state of California to cause cancer and reproductive harm. Most aluminum alloys are physiologically inert in their solid form, and the lead is contained within, however user-generated dust and/or fumes may pose a hazard if inhaled or ingested. Heating beyond a certain temperature may also provide avenues for exposure.


STEEL (steel bolts):  Steel is an iron alloy with several metals including Nickel and Chromium. Both Nickel and Chromium are known to the State of California to cause cancer and reproductive harm, respectfully. This warning applies to stainless steels as well.