NATIONAL A63

NATIONAL part number A63 is a differential pinion bearing / race in the Drivetrain system. This catalog matches it to 7 year-and-engine configurations from 2005 to 2011.

Verified fitment includes 2011 Chevrolet Corvette 7.0L V8 ; 2009 Cadillac XLR 4.4L V8 Supercharged ; 2009 Cadillac XLR 4.6L V8 ; 2008 Cadillac XLR 4.4L V8 Supercharged ; 2007 Cadillac XLR 4.4L V8 Supercharged , plus 2 other configurations. See every vehicle this part fits.

Manufacturer specifications
Taper Bearing Set Includes Cup and Cone
Rear Innerwith 8.6614 IN Ring Gearwith Getrag 625 Axle
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is NATIONAL A63?

NATIONAL part number A63 is a differential pinion bearing / race with published application data for 7 vehicle configurations from 2005 to 2011. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does NATIONAL A63 fit?

This catalog matches A63 to 7 year-and-engine configurations from 2005 to 2011. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is NATIONAL A63 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. NATIONAL A63 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.