Freightliner

Gunite AS1140 Slack Adjuster - 5.5in Arm, 1.5in 28 Spline
Gunite AS1140 Slack Adjuster - 5.5in Arm, 1.5in 28 Spline
Special Price $105.21 Regular Price $139.63
Gunite AS1168 Slack Adjuster
Gunite AS1168 Slack Adjuster

$106.51

2 Items

Your Source for Freightliner Truck Parts

Freightliner didn't become the North American leader by accident; they build trucks that work. But even the best equipment needs maintenance, and when a truck is down, you’re losing money. At Fast Lane Truck Parts, we don’t just "sell parts"; we focus on your uptime. From Genuine Freightliner and Detroit parts to high-quality aftermarket alternatives, we stock what you need to keep your truck on the road.

We offer a huge selection of parts for all Freightliner models. Whether you are running long-haul routes in a Cascadia, delivering local freight in a Business Class M2 (106 or 112), or driving off roads in a Severe Duty (108SD, 114SD, 122SD), we have the truck parts you need. We also support legacy models like the Columbia, Century Class, and FLD.

Complete Bumper-to-Bumper Coverage

From routine preventative maintenance to repairs, our catalog is built to support the most critical areas of your Freightliner truck:

  • ► Cab & Collision Repair: Restore your truck's aerodynamics and safety with direct-fit Cascadia bumpers, hood assemblies, chrome grilles, LED headlight assemblies, and replacement mirror brackets.
  • ► Engine & Powertrain Integration: Freightliners are heavily integrated with Detroit Diesel and Cummins powerplants. We carry the essential maintenance components you need, including fuel-water separators, air filters, heavy-duty cooling system parts, and drive belt tensioners for DD13, DD15, and Cummins engines.
  • ► Chassis & Air Systems: Keep your ride smooth and your brakes responsive with replacement suspension air bags, shock absorbers, leveling valves, and complete air brake system components.

Expert Freightliner Parts Support

Freightliner trucks are custom-built for the job, and may vary greatly in braking, electrical, or suspension systems, even within the same model year. For accurate part fitment, contact our parts specialists with your truck's VIN. We will verify the correct part numbers for your specific truck.

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