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39-Ring Gear Tooth Differential Ring and Pinion Rear-Rear 8-Pinion
Newstar offers an extensive differential gear set range for use in medium to heavy duty engine applications. Each kit includes a spline, differential lock, pinions, and side gears.
| Gear Set | RR 4.88 |
| Gear Tooth Quantity | 8/39 |
| Application | RR22145 |
| Axle Position | Rear |
| Gear Ratio | 4.88 |
| Mounting Location | Rear-Rear |
| Pinion Gear Tooth Quantity | 8 |
| Pinion Shaft Diameter | 2 |
| Pinion Spline Count | 39 |
| Ring Gear Tooth Quantity | 39 |
| Tooth Count | 8/39 |
| Brand | Part Number |
|---|---|
| A-39646-1, B415441, B-41544-1, M10B415441 | |
| Freightliner | TDA B415441 |
| Genuine Newstar | ROR-B-41544-1, S-C182, SC182 |
| International | 1694-196-C |
| Meritor | A-39646-1, A-41270-1, B-41270-1, B-41544-1, B41270-1R488, B412701, B415441 |
| OE Aftermarket | 039978, 139307 |
| PAI | 7801, 7807, 78070, BRP-7807, ER78070 |
| Rockwell International | RORB415441 |
| Timken | M10B415441 |
| World American | B41270-1 |
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