RICHMOND XL4066

RICHMOND part number XL4066 is a differential spider gear in the Drivetrain system. This catalog matches it to 11 year-and-engine configurations from 2008 to 2016.

Verified fitment includes 2016 Ram 2500 5.7L V8 ; 2016 Ram 2500 6.4L V8 ; 2016 Ram 3500 5.7L V8 ; 2015 Ram 2500 5.7L V8 ; 2015 Ram 2500 6.7L L6 DIESEL Turbocharged , plus 6 other configurations. See every vehicle this part fits.

Manufacturer specifications
ExcelDifferential Carrier Gear Kit30 SplineIncludes Side and Pinion Gears, Washers, Pinion Shaft and Lock Bolt or Roll Pin
Rear AxleFor AAM 11.5" (14 Bolt)1.56" Spline DiameterOpen
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is RICHMOND XL4066?

RICHMOND part number XL4066 is a differential spider gear with published application data for 11 vehicle configurations from 2008 to 2016. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does RICHMOND XL4066 fit?

This catalog matches XL4066 to 11 year-and-engine configurations from 2008 to 2016. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is RICHMOND XL4066 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. RICHMOND XL4066 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.

AutoFactsDB is reader-supported. As an Amazon Associate, we earn from qualifying purchases made through links on this page — at no extra cost to you.

Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.