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Dodge/Chrysler NAG-1 B&M Transmission Dipstick OverviewYouTube Button

B&M Locking Transmission Dipstick - NAG-1

Locking Dipstick for NAG-1 transmissions with 5.7L engines.

PART# 22301

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The B&M NAG-1 Locking Transmission Dipstick was designed to allow for a quick and easy check of the automatic transmission fluid level and quality by the vehicle owneroperator without having to go to the dealership. Constructed of billet steel and black mil-spec anodized aluminum 6061-T6, this rugged unit allows for both cold and warm fluid level checks and is meant to be left in the vehicle and locked into place. Additional features include an engraved B&M logo locking knurled handle cap and temperature range engraved indicator end.


  • Engraved Low and Normal Transmission Temperature Indicator
  • Rugged Knurled and B&M Logo Engraved Locking Cap
  • Billet Steel and Aluminum6061-T6 Construction
  • Over 65 Years of B&M Quality
  • Quick and Easy Installation
  • B&M Quality & Reliability


Dipstick/Filler Tube Length (in)33.8
Dipstick/Filler Tube Material6061-T6 Aluminum, Steel
Emission Code5
O-Rings IncludedYes
Product TypeAutomatic Transmission Dipstick
Transmission ShieldIncluded
California Proposition 65 Chemical NameChromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number22301



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Fits the NAG-1 automatic transmission used on 2008-2014 Dodge Challenger, 2005-2008 Dodge Magnum, 2006-2014 Dodge Charger and 2005-2014 Chrysler 300 models with the 5.7L engine.


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