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Mechman Alternators

Part #8206270 GM 4 Pin Oval 270amp Alt


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Check out one of our most popular models. Part #8206270 270 amp GM truck alternator with 4 pin oval plug.



The 270 amp Large Case AD244 GM alternator is one of our best selling products. This G series unit features our custom solid copper rectifier with large 65 amp press fit diodes and over sized output stud for excellent durability. These powerhouses crank out over 165+ amps at just 600 RPM engine speed on any standard GM truck, with full 270+ amps at anything above 1800 rpm engine speed! A 46mm hard anodized billet aluminum 6 rib pulley is used to maximize low RPM output, so a 1/2 inch to 1 inch shorter than stock length belt (not included) is recommended for optimum belt tension. 270 amp G series units are made in the USA and come with a 2 year warranty.

NOTE: Some GM vehicles equipped with the heavy duty charging package and CS144 alternator will require a harness adapter in order for the OEM alternator plug to fit. Some 2005 and newer GM's have a 2 pin connector that is not compatible with this unit. Please check your vehicle's original alternator plug and compare to the plug photo to verify proper fitment before ordering. Adapter harnesses are available (sold separately) for customers with rectangular shaped alternator plugs For customers desiring adjustable voltage, these units are compatible with the Adjustable Voltage Boost module for 1996 - 2004 GM 4 pin oval connectors. Ask a sales associate for more details!



fits:
1996 – 2004 Chevy / GMC Full-size Truck w/ gas engines
1996 – 2004 Suburban all engines w/ oval alternator plug
1996 – 2004 Tahoe all engines w/ oval alternator plug
1994 – 2004 S10 / S10 Blazer w/ 4.3L engine
1996 – 2004 Full-size Chevy / GMC full-size van
1999 – 2004 Cadillac Escalade w/ oval alternator plug

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Nice! was looking at this and the 240 amp model earlier today as a possible christmas gift for myself. wish there was a sale like on the ford v8 alts haha

1998 chevy blazer 4 door

stock alt 105a

Battery: Autocraft Gold 75-3

Big Three in Sky High Car Audio 4ga

subs: rockford p2 12's (soon to be sundown SA 12's)

Sundown SAZ-1200d on the subs

Mids and Highs: Infinity kappa 6.5 mid in front doors and tweets in Dash 

sae 50.4 for mids and highs

SMD OM-1 on the subs

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Dang that would be sweet if I was looking for that much power! Thanks for the thought though!

1998 chevy blazer 4 door

stock alt 105a

Battery: Autocraft Gold 75-3

Big Three in Sky High Car Audio 4ga

subs: rockford p2 12's (soon to be sundown SA 12's)

Sundown SAZ-1200d on the subs

Mids and Highs: Infinity kappa 6.5 mid in front doors and tweets in Dash 

sae 50.4 for mids and highs

SMD OM-1 on the subs

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Can never have too much alt or battery power.

Don't tempt me. Haha girlfriend gave me a price limit for a Christmas present so I think 240 amps wilol be enough.... for now.

1998 chevy blazer 4 door

stock alt 105a

Battery: Autocraft Gold 75-3

Big Three in Sky High Car Audio 4ga

subs: rockford p2 12's (soon to be sundown SA 12's)

Sundown SAZ-1200d on the subs

Mids and Highs: Infinity kappa 6.5 mid in front doors and tweets in Dash 

sae 50.4 for mids and highs

SMD OM-1 on the subs

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