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(888) 312-8812 Login SignupNEWSTAR S-A990 39-Ring Gear Tooth Differential Ring and Pinion Rear-Rear 10-Pinion
$585.80
MSRP Pricing shown.
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NEWSTAR S-A990 Part Description
Manufacturer
Product Description
39-Ring Gear Tooth Differential Ring and Pinion Rear-Rear 10-Pinion
Features & Benefits
- Offers a practical and cost-effective solution for differential maintenance and repair
- All components comply with original equipment specifications for a seamless fit and operation
- high quality alloy body that’s been heat-treated for increased durability
- Gear teeth are precision machined to exact measurements for a smooth, efficient performance
Newstar Differential Gear Set
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.
NEWSTAR S-A990 Specifications
Product Attributes
| Gear Set | 3.90 |
| Gear Tooth Quantity | 10/39 |
| Compatible Brands/Models | RS451 |
| Compatible Brands/Models | RS401 |
| Gear Ratio | 3.90 |
| Gear Style | Spiral |
| Mounting Location | Rear-Rear |
| Pinion Gear Tooth Quantity | 10 |
| Ring Gear Tooth Quantity | 39 |
| Ring Gear Outside Diameter | 16.5 |
| Tooth Count | 10/39 |
NEWSTAR S-A990 Cross References
| Brand | Part Number |
|---|---|
| 217999, 111503 | |
| Eaton | 111503, 127255, EAR217999 |
| Genuine Newstar | EAR-217999, S-A990, SA990 |
| PAI | 94980, 92330, EE92330, EE94980 |
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NEWSTAR S-A990 Manufacturer Information
Based in Schaumburg, IL, NEWSTAR® is an aftermarket parts manufacturer specializing in trailer suspension, engine, and drivetrain parts and components for medium and heavy duty trucks. The company supplies OEM manufacturers, truck dealerships, and warehouse distributors across the U.S. and Canada. NEWSTAR products are made of high-grade stamped steel, natural rubber, and other materials and hand-welded, resulting in an unprecedented level of quality down to the smallest detail. All products are also built and assembled using cutting-edge tools and undergo intense performance testing in an in-house quality control laboratory to ensure compliance with industry standards.
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