Brake Slack Adjusters

We Know Quality

Slack adjusters automatically adjust the brakes in relation to the weight carried by the vehicle. The NAPA Truck range of brake slack adjusters combines certified quality production with rigorous testing to keep fleets moving.

We Know Our Products

NAPA Truck Brake Slack Adjusters cover all major vehicle manufacturers with over 90% coverage of the UK market.

Longer-Life Excellence

The robust clearance-sensing design prevents excessive brake wear while reducing maintenance and downtime costs. All slack adjusters are manufactured to provide a longer service life with improved durability and reliability.

Comprehensive Range

The range includes automatic brake adjusters S-ABA, a world standard for brake adjuster operation, and automatic brake adjusters AA1, designed to adjust precisely and gradually in all braking conditions to offer enhanced safety and efficiency.

Quality Assured

NAPA Truck Brake Slack Adjusters are designed to meet or exceed precise OE specifications. The range conforms to SAE J1462 and is manufactured on the same production lines as the world’s leading OE supplier.

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 Brake Slack Adjusters 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 braking. 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.