Description
Mercedes-Benz Rear Brake Drums, including specs, OEM part numbers, and what to look for. If you tell me exactly which Mercedes truck model/year/axle you have, I can pull up the matching part for that one.
Key Specs of Mercedes Rear Brake Drums
| Spec | Typical Value |
|---|---|
| Drum diameter (outer) | 410 mm https://sumku.co.ke/ |
| Brake surface width | Around 192–240 mm depending on variant |
| Bolt hole circle diameter (PCD) | 335 mm https://sumku.co.ke/ |
| Number of bolt holes | 10 |
| Hub bore diameter (inner bore where hub fits) | ~ 298 mm |
| Drum height (overall depth) | https://sumku.co.ke/ |
OEM Part Numbers & Alternate References
Here are some common OEM part numbers / references for Mercedes rear brake drums:
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658 421 0001 — A widely used Mercedes rear brake drum. https://sumku.co.ke/
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617 423 0201 — Also used on rear axles.https://sumku.co.ke/
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346 423 0501 — Another variation. https://sumku.co.ke/
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305 423 0701, 355 423 0901 — Used in some markets / assemblies. https://sumku.co.ke/
Things to Check & What Varies
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There are variations in brake surface width, drum height, and internal bore depending on whether it’s a lift axle, rear drive axle, steer axle, or auxiliary axle.
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Make sure to match: drum diameter, PCD, number of holes, and hub bore. Even one mismatch can cause fitment or safety issues.
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Also check whether bearings / hub parts are included or separate; some drums are sold without internal hub bearings. https://sumku.co.ke/
![Isuzu Clutch disc OEM 1-31240-739-0.OE number by ISUZU Number of Teeth:10 Inner Diameter [mm]:240 Diameter:380 Item number:ISD058U.](https://sumku.co.ke/wp-content/uploads/2023/03/IMG_20230211_154655-300x300.jpg)
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