Quick answer
An MGM air brake chamber crosses to a premium aftermarket direct replacement by matching type, stroke, service-vs-spring, and mounting. MGM Brakes builds to the standardized DOT 121 spec like every chamber maker, so the number and build on the old can — not the MGM name — decide the replacement. Read it off the unit or use the VIN, and a quality aftermarket chamber bolts to the same holes and clamps the same.
MGM is a long-standing name in brake chambers. If you're reading one off the old can, here's how it crosses to a premium aftermarket direct replacement.
MGM chambers cross like any other
MGM Brakes has built air brake chambers for the heavy-duty market for decades — service chambers and spring brakes you'll find on trucks and trailers. They're made to the same DOT 121 foundation-brake standard as the rest, so the replacement is decided by the type, stroke and mounting on the can, not by the MGM name.
The four things to match
- Type and stroke (30/30, long/short) — exactly.
- Service chamber or spring brake.
- Clamp-type vs bolt-together and stud pattern.
- Pushrod length and clevis.
How the cross works
Match those and an MGM chamber crosses to a premium-quality aftermarket direct replacement. Our chamber pages carry the interchange info so you order off the number on your old unit rather than guessing. If the ID tag is gone, the VIN gets us the spec the truck left the factory with.
Same braking, fair price
A quality aftermarket chamber built to the same standard bolts to the same holes and clamps the same as the MGM unit it replaces. The difference in the box is the price — you're not paying a badge premium on a standardized part.
Cross it with PartStop
Give us the number off the old MGM chamber, or the VIN, and we'll match it — premium-quality aftermarket direct replacement, 6+ month warranty, same-day from Tacoma, singles and 2/4/10-packs.
Frequently asked questions
What does an MGM brake chamber cross-reference to?
An MGM chamber crosses to any equivalent-spec chamber of the same type, stroke, and mounting, because all are built to DOT 121. A premium aftermarket direct replacement matches those characteristics and installs identically — match the number on the old MGM unit.
How do I make sure a part fits my truck?
Use the free VIN lookup at partstop.net/vin (parts verified against your truck's build data), match the OEM / cross-reference number from your old part, or call (253) 600-1351 — fitment is checked before you buy.
In stock at PartStop
Shop these air brake chambers
Premium-quality aftermarket direct replacements — cross-referenced to Bendix, Haldex and Meritor. Same-day shipping from Tacoma, 6+ month warranty.
Fleet pricing
Running a fleet? Buy in packs and save
Chambers are a wear item — stock the shelf and a torn diaphragm is a quick swap, not a parked truck. 2-, 4- and 10-packs drop the per-unit price.
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Need the part, not just the reading?
Every part below is a Premium Quality aftermarket Direct Replacement with published OEM cross-reference numbers, a 6+ month warranty and same-business-day shipping from Tacoma, WA. Not sure it fits? Run your VIN — or call and a person who knows trucks will verify fitment before you pay.