GM GENUINE 12479379

GM GENUINE part number 12479379 is a differential cover in the Drivetrain system. This catalog matches it to 13 year-and-engine configurations from 2004 to 2008.

Verified fitment includes 2008 Isuzu Ascender 4.2L L6 ; 2007 Buick Rainier 4.2L L6 ; 2007 Buick Rainier 5.3L V8 ; 2007 Isuzu Ascender 4.2L L6 ; 2006 Buick Rainier 4.2L L6 , plus 8 other configurations. See every vehicle this part fits.

Manufacturer specifications
Fits:
Rear10 BOLT COVER3.42 Rear Axle Ratio (GU6),Positraction Limited-Slip Rear Axle (G80)
or:
Rear10 BOLT COVER4.10 Rear Axle Ratio (GT5)
or:
Rear10 BOLT COVER3.73 Rear Axle Ratio (GT4),Positraction Limited-Slip Rear Axle (G80)
or:
RearExc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86)10 BOLT COVER3.73 Rear Axle Ratio (GT4)
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is GM GENUINE 12479379?

GM GENUINE part number 12479379 is a differential cover with published application data for 13 vehicle configurations from 2004 to 2008. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does GM GENUINE 12479379 fit?

This catalog matches 12479379 to 13 year-and-engine configurations from 2004 to 2008. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is GM GENUINE 12479379 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. GM GENUINE 12479379 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.