240 Amp Alternator for GM 4.2 6 cylinder with 4 pin plug
240 Amp Alternator for GM 4.2 6 cylinder with 4 pin plug
240 Amp Alternator for GM 4.2 6 cylinder with 4 pin plug

240 Amp Alternator for GM 4.2 6 cylinder with 4 pin plug

MechmanCustom Built: Estimated lead time of 5-15 Business days.
SKU: 8497240
Categories : (Brand) Mechman
In Stock
$349.00

G Series

Based on our late model large case GM housings, the tried-and-true G series of alternators are our best sellers. Reasonably priced, these units feature solid copper custom rectifiers with huge 65 amp diodes for great durability. Premium OEM quality bearings ensure long life even in hot or abusive conditions.

Installation Notes:

This unit comes equipped with a smaller 1.75 inch diamter alternator pulley, and will require a slightly shorter drive belt for proper belt tension. Not recommended for use above 5,000 RPM engine speed.


Name Model Engine Year(s) Amperage
BUICK Rainier 4.2 04-06 240a
CHEVROLET Trailblazer 4.2 02-06 240a
GMC Envoy 4.2 02-06 240a
OLDSMOBILE Bravada 4.2 02-04 240a

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G Series

Based on our late model large case GM housings, the tried-and-true G series of alternators are our best sellers. Reasonably priced, these units feature solid copper custom rectifiers with huge 65 amp diodes for great durability. Premium OEM quality bearings ensure long life even in hot or abusive conditions.

Installation Notes:

This unit comes equipped with a smaller 1.75 inch diamter alternator pulley, and will require a slightly shorter drive belt for proper belt tension. Not recommended for use above 5,000 RPM engine speed.


Name Model Engine Year(s) Amperage
BUICK Rainier 4.2 04-06 240a
CHEVROLET Trailblazer 4.2 02-06 240a
GMC Envoy 4.2 02-06 240a
OLDSMOBILE Bravada 4.2 02-04 240a

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

We accept payments with :
Visa, MasterCard, American Express, Paypal, Diners Club, Discover and more.

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