Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required

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Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required

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Brand : Richmond Gear/Motive Gear
EXCELGM105373 Differential Ring and Pinion Gear Set fits GM 10.5" (14 Bolt) with a 3.75 ratio.
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Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
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Type
Differential Rings & Pinions
Title
Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Price
$392.99 USD
Vendor
Richmond Gear/Motive Gear
Description
EXCEL GM105373 Differential Ring and Pinion Gear Set – 3.75 Ratio – Fits GM 10.5" (14 Bolt) – Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More – 4.10 & Lower Carrier Required.

More about this item : Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required

EXCEL GM105373 Differential Ring and Pinion Gear Set – 3.75 Ratio – Fits GM 10.5" (14 Bolt) – Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More – 4.10 & Lower Carrier Required.

Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required
Key Features
  • ✅ EXCEL GM 10.5" 3.75 Ring & Pinion Set – 3.75 ratio gear set designed for GM 10.5" (14 Bolt) rear differentials, improving torque and acceleration for heavy-duty trucks and vans
  • ✅ Premium 8620 Steel Construction – Built for strength, wear resistance, and longevity, making it suitable for towing, hauling, and high-load commercial applications
  • ✅ For 4.10 & Lower Carrier Applications – Designed for GM 10.5" differentials requiring a 4.10 and numerically lower ratio carrier for proper fitment and power distribution
  • ✅ Precision Fit for OEM Compatibility – Features 45-ring and 12-pinion teeth, a 1.75" pinion shaft diameter, and 30-spline count for smooth power transfer and drivetrain efficiency
  • ✅ 1-Year/50,000-Mile Warranty – Backed by EXCEL from Richmond’s quality assurance, ensuring reliability and performance for your GM 10.5" rear axle system
  • ✅ Fits Multiple GM Models – Compatible with Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, and more
Technical Specifications
  • Length : 15.0 lb
  • Width : 11.0 lb
  • Height : 5.25 lb
  • Weight : 23.35 lb
Product Identifiers
  • ASIN B01HSMFMGE
  • UPC: 698231720233
Shipping Information
  • Ships From : United States
  • Brand : Richmond Gear/Motive Gear

Frequently Asked Questions About : Differential Ring and Pinion Gear Set EXCELGM105373 –3.75 Ratio –Fits GM 10.5" (14 Bolt) –Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500 & More–4.10 & Lower Carrier Required

01 What is the gear ratio of the EXCELGM105373?

The gear ratio of the EXCELGM105373 is 3.75.

02 Which vehicles are compatible with the EXCELGM105373?

The EXCELGM105373 fits Chevrolet Silverado 2500, Suburban 2500, GMC Sierra 2500 HD, Express 3500, and more.

03 What type of steel is used in the construction of the gear set?

The gear set is constructed from premium 8620 steel.

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