Truck Service Tools | Axle, Brake, Yoke, Hub, Pin & Bushing Tools | Zip's

Sort by

AW Direct Quick Connect Air Coupler Kit

Keep your operation prepared for any commercial truck air-supply situation with this professional Air Coupler Kit from AW Direct. Designed specifically for servicing commercial trucks and buses of all makes and models, this versatile 8-piece kit is a must-have for towing operators, mobile service technicians, and repair shops alike.

Each kit includes eight commonly required fittings, allowing you to quickly connect an external air source to a disabled vehicle for diagnostics, brake release, or pre-tow preparation. By accessing the air system directly through the fittings, you eliminate the time-consuming task of searching for onboard air tanks or hard-to-reach supply points.

The components are neatly organized in a durable storage case and paired with a complete parts list for fast identification and simple replacement of individual pieces.

Whether you're working roadside or in the shop, this kit ensures you have the right couplers on hand to service a wide range of commercial trucks efficiently and safely.

Coupler Kit Includes:

Compressor Fitting - #2501-10-6
Use this fitting when supplying air directly behind the air compressor of the disabled vehicle. This -10 JIC 90 degree elbow male fitting will connect to the hose or line behind the air compressor.
Pro Star Fitting

ProStar Fitting - #016264
This 90 degree elbow quick-connect fitting works well with the International ProStar truck models. It connects to the air supply line on the driver side, inside of the frame rail.

International Air Coupler Assembly - #ZAW-ACK-FASTER
This air coupler assembly connects to the flat-faced fitting of the air tank on some International 4300 and MV models along with some Ford F650/750 truck models.

PACCAR Air Coupler Assembly - #ZAW-ACK-DIXON
This air coupler assembly works well with most Kenworth and Peterbilt truck makes and models. It connects to the fitting located on the outside frame rail, near the driver side wheel well. It can sometimes be accessed without even opening the hood. Some trucks powered by a Cummins engine may have the fitting located directly behind the on-board truck compressor.

Air Dryer Connector Assembly - #ZAW-ACK-AD
This air connector assembly is designed for endless truck makes and models. Simply remove the OEM air compressor supply line from the air dryer and replace it with this connector - supplying air directly to the system.

1/2" Supply Line - #ZAW-ACK-AS
This 1/2" air supply line is a universal tool used with many different applications. It can be used for supplying air to the back side of the air dryer, supplying air to an air suspension bag or suspension leveling valve, releasing air brakes, applying service brakes, and much more.

134 Air Coupler Assembly - #ZAW-ACK-R134A
This air coupler assembly is commonly used when towing Freightliner, Mack or Volvo truck makes and models. The access fitting on most of these trucks is located directly behind the air compressor on the air supply line. Use this air coupler assembly to supply air directly to the disabled vehicle.

Zip's Volvo & Mack Air Fitting - #3200-04M12
This fitting is commonly used while towing Mack and Volvo Trucks.

Substitute for TC-1002 which has been discontinued

$179.99

AW Direct Volvo and Mack Air Fitting

Essential to heavy-duty tow operations, this 1/4" brass air fitting allows tow operators to tie into the existing air system of a Class 8 Volvo or Mack commercial truck to supply air to the brake system when the power unit is disabled and can no longer perform this function. Using air supplied by the rear of the tow truck, this application allows the tow operator to release the casualty's brakes and prepare it for towing. Simply install directly to the metric threads on the air tank of a Volvo or Mack tractor.

$7.99

AW Direct PACCAR Air Coupler Assembly

This air coupler assembly works well with most Kenworth and Peterbilt truck makes and models. It connects to the fitting located on the outside frame rail, near the driver side wheel well. It can sometimes be accessed without even opening the hood. Some trucks powered by a Cummins engine may have the fitting located directly behind the on-board truck compressor.

$45.99

AW Direct 134 Air Coupler Assembly

This air coupler assembly is commonly used when towing Freightliner, Mack or Volvo truck makes and models. The access fitting on most of these trucks is located directly behind the air compressor on the air supply line. Use this air coupler assembly to supply air directly to the disabled vehicle.

$45.99

AW Direct International Air Coupler Assembly

This air coupler assembly connects to the flat-faced fitting of the air tank on some International 4300 and MV models along with some Ford F650/750 truck models.

$43.99

AW Direct Pro Star Fitting

This 90 degree elbow quick-connect fitting works well with the International Pro Star truck models. It connects to the air supply line on the driver side, inside of the frame rail.

$7.49

AW Direct Compressor Fitting

Use this fitting when supplying air directly behind the air compressor of the disabled vehicle. This -10 JIC 90 degree elbow male fitting will connect to the hose or line behind the air compressor.

$4.99

AW Direct 1/2" Supply Line

This 1/2" air supply line is a universal tool used with many different applications. It can be used for supplying air to the back side of the air dryer, supplying air to an air suspension bag or suspension leveling valve, releasing air brakes, applying service brakes, and much more.

$9.99

1 - 8 of 8 items

Truck Service Tools Buying Guide

For professional truck maintenance and repair, having the right truck service tools is critical. From king pin presses to pitman arm service kits and bushing tools, these specialized tools are designed to make servicing heavy-duty trucks safer, faster, and more efficient. Whether you are a fleet mechanic, a heavy-duty service shop, or a tow/recovery professional, having reliable tools ensures accurate results and reduced downtime.

Why Choose Truck Service Tools

Truck service tools are specifically engineered to handle the unique demands of commercial vehicles. Standard automotive tools aren’t always capable of handling heavy-duty axles, suspension systems, and steering components. Top brands like Tiger Tool and Ken-Tool deliver precision, durability, and reliability that professionals count on every day. With the right tools, tasks such as pressing king pins, removing pitman arms, or servicing axle bushings can be completed safely and efficiently.

Best-Selling Models and Tools

Tiger Tool Heavy Duty King Pin Press – Designed for fast, accurate king pin removal and installation on commercial trucks.
Tiger Tool Pitman Arm Master Service Kit – Complete kit for pitman arm removal and replacement, ideal for professional repair shops.
Tiger Tool Pin and Bushing Service Kit – Includes tools for precise pin and bushing servicing on heavy-duty vehicles.
Tiger Tool Axle Shaft Puller – Makes axle removal safer and easier without damaging components.
Ken-Tool Air Brake Slack Adjusters – Essential for adjusting and maintaining truck air brake systems.

Other essential tools in this category include steering knuckle service tools, bearing pullers, and specialty alignment tools for heavy-duty trucks.

Shopping Guide for Truck Service Tools

Identify Your Truck Type – Tools vary for light-, medium-, and heavy-duty trucks. Ensure compatibility with your vehicle.
Choose Durable Brands – Brands like Tiger Tool and Ken-Tool are built to withstand the rigors of commercial service.
Check Tool Specifications – Consider tool size, working capacity, and included components. Professional kits often save time and improve efficiency.
Look for Multi-Purpose Tools – Kits that include multiple attachments, like pitman arm service or bushing kits, offer versatility for different jobs.

FAQ

Q: What are truck service tools used for?
A: These tools are used for servicing heavy-duty truck components such as king pins, pitman arms, bushings, axles, and air brake systems. They allow for precise, safe repairs.

Q: Can these tools be used on all trucks?
A: Some tools are universal, but many are designed for heavy-duty trucks. Always check compatibility with your vehicle type and model.

Q: Do I need a professional kit or individual tools?
A: Professional kits, like the Tiger Tool Pitman Arm Master Service Kit, combine multiple tools for a specific task, making them more efficient for regular use.

Q: How do I maintain my truck service tools?
A: Keep tools clean, lubricated if applicable, and store them in a dry location. Regular inspections prevent wear and ensure accuracy.