Log In Cart
Log In
Create An Account
Log In Cart
Your Cart Is Empty
Cart Total
Edit Your Cart Checkout
Free Shipping Over $349.99 Earn Builders Club Points On Every Order 0% Affirm Financing

Free Shipping Over $349.99

Orders of $349.99 or more ship free in the continental U.S., typically in 3 to 5 days.

Alaska, Hawaii, and international orders are charged shipping at checkout. Truck freight and supplier-fulfilled items are not included.

Shipping Policy

Builders Club Points

Earn 2 points for every $1.00 you spend. 100 points equals $1.00 off. Log in at checkout to collect them, then redeem on the payment screen.

How Points Work

0% Affirm Financing

Pay over time at checkout. Select Affirm as your payment method to see your terms, including 0% APR options when offered.

A down payment may be required. Affirm decides approval, not K Series Parts.

Affirm Details

AEM X-Series Wideband UEGO Air/Fuel Ratio Sensor Controller Reviews

Currently Viewing Reviews with a rating of 5. Click here to reset.

AEM X-Series Wideband UEGO Air/Fuel Ratio Sensor Controller
★★★★★ ★★★★★
4.6/5.00 Stars out of 5 Reviews
Write a Review
1 ★
0
2 ★
0
3 ★
1
4 ★
0
5 ★
4
Verified Buyer
Great
★ ★ ★ ★ ★
Correa Taino | March 17th, 2026
Love the gauge. Fast shipping.
Verified Buyer
Great part
★ ★ ★ ★ ★
Jose Rodriguez | July 7th, 2024
Nice looking and install, fast shipping.
Aem x series wideband
★ ★ ★ ★ ★
Alvin | October 6th, 2021
A++ good quality fast shipping friendly customer service
Mechanic
★ ★ ★ ★ ★
William garnett | June 18th, 2020
Great