-19%

Powermaster 37293 GM 12SI 150 Amp Alternator, Chrome

-19%

#25537293

Powermaster 37293 GM 12SI 150 Amp Alternator, Chrome

Name: Powermaster 37293 GM 12SI 150 Amp Alternator, Chrome
Brand: Powermaster
SKU: 25537293
Price: 211.99 USD
Availability: InStock
Rating: 4.9 (49 reviews)

49 Reviews

1 Question

Alternators is internally regulated
Will work as either a 1 or 3 wire operation
Includes a single groove pulley that will accept a V-style belt

Finish:

Chrome

Natural Black Polished

Style:

Standard

Cone Baffle Baffle & Cone

$211.99

/each

In Stock

$263.75

Save $51.76

Quantity

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Product Summary

One Wire Alternator, 150 amp Alternator Amperage

Alternators is internally regulated

Will work as either a 1 or 3 wire operation

Includes a single groove pulley that will accept a V-style belt

Fits most 1965-'85 GM's with straight mount 6.61 inch bolt spacing

Puts out 150 amp with 90 amps at idle, and 125 amps at cruising speed

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KEY SPECS

MFG. Part #

37293

Brand

Powermaster

One Wire Alternator

Yes

Alternator Amperage

150 amp

Alternator Finish

Chrome

Pulley Style

V-belt

Belt Type

V-Belt

GENERAL

Alternator Case Style

GM 10SI/10DN/12SI

Voltage Required

12-Volt

Regulator

Internal

Regulator Style

Internal

Regulator Included

Yes

Alternator Pulley Included

Yes

Belt Width

0.375"

Alternator Brackets Included

Overall Length

6.25"

Color

Chrome

Sold in Quantity

Each

Centerline of Holes

6.61"

Notes

Made in the USA

GTIN Code

692209004387

Belt Included

Coating Type

Plated

Ratings & Reviews

4.9

49 Reviews

Overall Assessment

Based on customer reviews, the product delivers full power, even at idle, and meets or exceeds expectations in performance and quality. It supports high amperage needs, effectively powering additional devices such as accesory fans and sound systems. Users praise its excellent build, direct fit and the ease of installation, noting its superiority to cheaper alternatives in terms of durability and performance. Its aesthetic appeal, specifically its chrome finish, is frequently commended. Customers have reported making repeated purchases due to their satisfaction, and strongly recommend it for high amp draw cars and vehicles with add-on features requiring extra power at low RPM idle conditions. The product is also appreciated for being USA made, underlining its reliable quality.

Powermaster 37293 GM 12SI 150 Amp Alternator, Chrome

Product Summary

Key Specs

Need To Know

Powermaster 37293 Details

Warranty Information

Powermaster 37293 Specifications

Ratings & Reviews

Overall Assessment

Questions & Answers

Fitment