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Freightliner Classic Brake Chambers & Acc.

Find Freightliner brake chambers for the Freightliner Classic model (1990 - 2010). Browse multiple sizes for steer and drive axles: Type 20/24, Type 30/30, and Type 30/36. Grab long-stroke (square ports) and short-stroke (round ports) chambers for a precise fit.

Freightliner Classic Brake Chambers & Accessory Parts

We stock DOT-compliant, direct-fit Freightliner brake chambers that match your OEM axle position and chamber size. Grab replacement diaphragms, slack adjusters, and the various fittings, hoses, and clips that hold your brake system together. Order replacement brake chamber accessories online and get them shipped quickly to your address or repair shop of choice. Whether you need to replace the ABS modulator valve for better air pressure to the brake chamber, or you need a new restrictor can for your Chalmers suspension system, you can find parts that fit your make/year model here.

Why Choose Our Heavy Duty Truck Replacement Brake Chambers?

- Rock-solid build. Thick steel housings shrug off gravel, salt, and brutal heat. - Air-tight seals. Premium diaphragms lock in pressure, so the pedal feels firm every time. - DOT-legal stroke. Long-stroke or standard cans keep push-rod travel in spec and citations off your record. - Plug-and-play hardware. Clevis pins, yokes, boots—all cut to factory length for a no-guess install. - Road tested. Every part meets or beats OEM burst ratings, so you haul heavy without worry.

Maintain Your Semi Truck's Stopping Power

Hauling payloads coast-to-coast? These heavy-duty air brake parts stand up to endless grades and stop-and-go docks. Running local? Quick pedal response keeps you nimble in traffic. Either way, fewer roadside repairs mean more miles turned and money earned.

Signs Your Brake Chamber Needs Replacement

- Air leak around the chamber: “hissing" sound when the brakes are applied or the park brake is released. -Weak braking: pushing the pedal harder to get the same stopping power. -Cracked or corroded housing: visible rust, hairline cracks in metal housing, or “bubbling" paint. -Failed diaphragm: hearing a rush of air when you step on the brake pedal. - Out-of-spec stroke: if the pushrod is extending too far when brakes are applied, so brakes won’t activate as promptly.

Upgrade Options for Your Freightliner Classic

While the wheels are off, tighten new semi truck torque rods and U-bolts, and durable dampeners (shocks). You can level the ride with some BESTfit Freightliner air springs and height valves. A stable axle protects your new brake hardware and keeps your Freightliner Classic tracking true.

Shop Top Commercial Brake Chamber Parts & Accessories at 4 State

Pick your chambers, hoses, and fittings. Grab the stroke indicators and dust caps to button it up. We ship fast, price fair, and back every part with real-world tech support. Stay safe, stay legal, and keep that Freightliner Classic earning every mile.

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