Gauges and Accessories Individual Gauges

AutoMeter

MTX-L PLUS AFR 3FT, 3924

$286.25

SKU: A00Q 39240

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Innovate Motorsports MTX-L Plus wideband gauge kit provides precise air/fuel ratio monitoring for internal combustion engines. This 52mm (2 1/16 in.) digital gauge features patented DirectDigital™ technology and advanced sensor control for faster O2 sensor feedback and optimized heater control. It includes a Bosch LSU 4.9 wideband O2 sensor and is compatible with various fuel types.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAutoMeter
Part NumberA00Q 39240

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy