The Eaton Differential Spider, part number 129599, is a genuine Eaton driveline component designed for the Eaton DSP40 and DSP41 axle series. Cross-references include Mack part numbers 2104-129599 and 2719-129599, making it a commonly sourced replacement for Mack-equipped trucks running these Eaton axles. The part is sold individually. Pro Gear and Transmission carries genuine Eaton differential parts for heavy-duty truck applications. Call us to confirm proper fit for your specific axle configuration.
Features
Fits Eaton DSP40 series axles
Fits Eaton DSP41 series axles
Cross-references to Mack 2104-129599 and 2719-129599
Sold as a single unit
Genuine Eaton differential component
