Description: Genuine GM Alternator, part number 84143543. This GM OEM alternator charges the battery and powers the vehicle's electrical system while the engine runs. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 84143543 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.

Description: R134 refrigerant. Without eassist with r-134a. 5.3, 6.2L. 5.3L, without eassist 6.2L. Without eassist with r-1234yf. 5.3, 6.2L. 1234yf refrigerant. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors