8 exhaust parts that fit the Mack RD, with brands, part numbers and cross-references.
Numbers in blue open their full cross-reference page — every interchange number for that part.
| Brand | Part number | Description |
|---|---|---|
| BESTFIT TRUCK PARTS | 11-08149250 | BESTfit 4 Inch OD / OD Multi-Bend Exhaust Elbow Below Muffler… |
| Mack | 81-07 | For Mack RD 81-07 Walker Heavy Duty Steel Round Truck Alumini… |
| BESTFIT TRUCK PARTS | 11-08126120 | BESTfit 4 Inch OD/ ID Plain Exhaust Elbow Below Muffler Multi… |
| BESTFIT TRUCK PARTS | 11-08146580 | BESTfit 4 Inch OD/ OD Multi-Bend Exhaust Elbow Below Muffler… |
| BESTFIT TRUCK PARTS | 11-08147620 | BESTfit 4 Inch OD/ OD Multi-Bend Exhaust Pipe Below Muffler F… |
| BESTFIT TRUCK PARTS | 11-08149110 | BESTfit 4 Inch OD/ OD Multi-Bend Exhaust Elbow Below Muffler… |
| BESTFIT TRUCK PARTS | 11-08149690 | BESTfit 4 Inch OD/ OD Multi-Bend Exhaust Elbow Below Muffler… |
| BESTFIT TRUCK PARTS | 11-08149700 | BESTfit 4 Inch OD/ OD Multi-Bend Exhaust Elbow Below Muffler… |
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Fitment is a guide — always confirm the exact part against your vehicle's spec and VIN.