Skip to main content

We Know Quality

A NOx sensor keeps the engine running at optimum performance and ensures the vehicle is emissions compliant. The NAPA Truck range of NOx sensors combines certified quality production with rigorous testing to keep fleets moving.

We Know Our Products

NAPA Truck NOx Sensors cover all major vehicle manufacturers with over 96% coverage of the UK market.

Built for Excellence

The robust design features sealed cable glands rated to IPX9, the highest current water ingress protection. All sensors are manufactured in a dedicated production facility with proprietary ceramic chips and in-house printed circuit board assembly, guaranteeing the best quality time after time.

Quality Assured

NAPA Truck NOx Sensors are designed to meet or exceed precise OE specifications. The range is UKCA, CE, and E14 certified.

We Know How

At NAPA Truck, Know How is everything. While our products are built to handle extreme pressure, we like to lessen the load where we can. All NAPA Truck NOx Sensors come equipped with a 1-year warranty, so any purchase you make is supported by our commitment to providing all our customers with industry-leading quality and service.

Our team of technical experts are on hand to provide support and guidance on our range of NAPA Truck parts. This can cover anything from installation best practices to regular content releases addressing frequently asked questions regarding our other product ranges. Quality may begin with the product, but there is never an end to our Know How.

Find a Stockist of NOx Sensors

Related Resources

Ash Sutton Dons New NAPA Helmet

Reigning BTCC Champion Ash Sutton reveals new helmet at Brands Hatch in honour of NAPA Racing UK. It was a wet race weekend at the Brands Hatch Indy Circuit on 14th/15th May, but that couldn’t dampen Sutton’s NAPA spirit. The...

NAPA Racing UK achieves Thruxton Triple

NAPA Racing UK achieved a triumphant victory at Thruxton winning all three races across the weekend. Ash Sutton maintained his impressive run of form winning race one and two before Dan Rowbottom added to the celebrations with a superb victory...


The championship title race is primed for an electrifying showdown as the British Truck Racing Championship recently staged its blockbuster penultimate event at Pembrey Circuit (7/8 October). Arriving at the Home of Welsh Motorsport having won eight of the last...

Range And Quality Attracts Premier Auto Parts to NAPA

Rob Gould, managing director of Cork-based Premier Auto Parts, talks about why NAPA products have become such an integral part of the business in a short time Based in Cork and with seven further depots across the country, Ciaran O’Reilly’s...