Replaces

Chevy GMC Buick Cadillac Saab 145 Amp Alternator

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Description
Vehicle Fit
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Product Reviews
Q&A

Part Details

  • Voltage / Wattage / Amperage Rating:   145 Amp

Specifications:

  • Brand New 145 Amp Alternator
  • No core charge
  • Direct replacement
  • Built to strict quality control standards

Our electrical and electronic parts are subject to strict quality testing.

Parts cannot be returned after they have been installed. Contact us with any questions before installing the parts.

Item Condition: New

Attention California Customers:

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge.

  1. step : Removing the Alternator (0:29)
    • Loosen the 10 mm negative battery terminal and disconnect the negative battery cable
    • Attach a 3/8 ratchet to the serpentine belt tensioner
    • Push the tensioner down to loosen the belt
    • Pull the belt off by hand
    • Release the tensioner
    • Loosen the worm clamp securing the air snorkel to the mass airflow sensor
    • Loosen the worm clamp securing the air snorkel to the throttle body
    • Remove the air snorkel
    • Remove the 13 mm bolt securing the heater hose pipe bracket next to the alternator
    • Remove the AC hose from the mounting bracket next to the alternator
    • Disconnect the alternator electrical connector
    • Slide the main power cable boot off
    • Remove the 10 mm nut securing the main power cable to the alternator
    • Remove the main power cable
    • Remove the two 15 mm alternator mounting bolts
    • Pry the alternator up to remove it
  2. step : Installing the Alternator (6:14)
    • Clean any corrosion off the alternator mount bushings
    • Seat the alternator in position
    • Reinstall the 15 mm alternator mounting bolts
    • Torque the 15 mm alternator mounting bolts to 37 ft-lb
    • Connect the main power cable to the alternator
    • Secure the main power cable with the 10 mm nut
    • Torque the 10 mm nut to 80 in-lb
    • Reposition the main power cable boot
    • Reconnect the alternator electrical connector
    • Reposition the AC line into the mounting bracket
    • Reposition the heater hose bracket and secure it with the 13 mm bolt
    • Reposition the intake snorkel on the throttle body
    • Tighten the worm clamp to secure the intake snorkel to the throttle body
    • Reposition the intake snorkel on the mass airflow sensor
    • Tighten the worm clamp to secure the intake snorkel to the mass air flow sensor
    • Reinstall the serpentine belt around the crank pulley, over the water pump pulley, under the power steering pulley, over the AC compressor pulley, around the alternator and tensioner pulley
    • Hold the serpentine belt near the idler pulley
    • Turn the serpentine belt tensioner with a 3/8 ratchet
    • Slide the serpentine belt over the idler pulley
    • Release the tensioner
    • Reconnect the negative battery cable and tighten the terminal with a 10 mm wrench

Tools needed for replacement:

    Ratchets & Related

  • Socket Extensions
  • Ratchet
  • 3/8 Inch Drive Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver
  • Pry Bar

  • Sockets - Metric

  • 13mm Socket
  • 15mm Socket

  • Wrenches - Metric

  • 10mm Wrench

4.83/ 5.0
6 reviews
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Alternator replacement
Easy repair to do with great parts and awesome service
August 30, 2017
Alternator installed easy, no fit problems. Works fine only one small complaint, it has a slight winning noise when running not a big deal. Overall very satisfied.
September 22, 2017
Alternator for my 2007 Tahoe
The alternator was failing on my 2007 Tahoe and I went on line to 1A Auto and easily found a replacement. I ordered it and was surprised that I received it either the next day or the second day after I placed the order. It was a perfect replacement and I am very with both the product and the way 1A Auto handled my purchase.
June 6, 2018
Altenaro for 04 Chevy Silverado
Took all of 15 minutes to remove old alternator and put new one in. Works great.
October 5, 2018
Very nice mucho bueno
Good item
June 13, 2019
Tahoe alternator
This was the first time buying from 1A auto, and Im very satisfied with the product I bought its working great!! Thanks!
July 7, 2019
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
I have a 07 gmc Yukon Denali will this work?
Justin G February 15, 2020
This will be able to fit as long as your engine size is V8 4.7L or 5.3L and you have a 145 Amp alternator. Please do not hesitate to contact us with any further questions.
Emma F February 16, 2020

Fits the following Makes:

Year Make Model Description
2007Buick Rainier Buick Rainier V8 5.3L 145 Amp Alternator
2006-2010Cadillac Escalade Cadillac Escalade 145 Amp Alternator
2006-2010Cadillac Escalade ESV Cadillac Escalade ESV 145 Amp Alternator
2006-2010Cadillac Escalade EXT Cadillac Escalade EXT 145 Amp Alternator
2007-2009Chevy Avalanche Chevy Avalanche V8 6.0L 145 Amp Alternator
2007-2010Chevy Avalanche Chevy Avalanche V8 5.3L 145 Amp Alternator
2005-2006Chevy Avalanche 1500 Chevy Avalanche 1500 V8 5.3L 145 Amp Alternator
2009-2010Chevy Colorado Chevy Colorado V8 5.3L 145 Amp Alternator
2009-2010Chevy Express 1500 Van Chevy Express 1500 Van V8 5.3L 145 Amp Alternator
2005-2010Chevy Silverado 1500 Chevy Silverado 1500 V8 4.8L 145 Amp Alternator
2005-2010Chevy Silverado 1500 Chevy Silverado 1500 V6 4.3L 145 Amp Alternator
2005-2009Chevy Silverado 1500 Chevy Silverado 1500 V8 6.0L 145 Amp Alternator
2005-2010Chevy Silverado 1500 Chevy Silverado 1500 V8 5.3L 145 Amp Alternator
2007Chevy Silverado 1500 Classic Chevy Silverado 1500 Classic 145 Amp Alternator
2005-2006Chevy Silverado 1500 HD Chevy Silverado 1500 HD 145 Amp Alternator
2007-2009Chevy Tahoe Chevy Tahoe V8 4.8L 145 Amp Alternator
2007-2010Chevy Tahoe Chevy Tahoe V8 5.3L 145 Amp Alternator
2007-2008Chevy Trailblazer Chevy Trailblazer V8 5.3L 145 Amp Alternator
2009-2010GMC Canyon GMC Canyon V8 5.3L 145 Amp Alternator
2007-2009GMC Envoy GMC Envoy V8 5.3L 145 Amp Alternator
2009-2010GMC Savana 1500 Van GMC Savana 1500 Van 145 Amp Alternator
2005-2010GMC Sierra 1500 GMC Sierra 1500 V6 4.3L 145 Amp Alternator
2005-2010GMC Sierra 1500 GMC Sierra 1500 V8 4.8L 145 Amp Alternator
2005-2010GMC Sierra 1500 GMC Sierra 1500 V8 5.3L 145 Amp Alternator
2005-2009GMC Sierra 1500 GMC Sierra 1500 V8 6.0L 145 Amp Alternator
2007GMC Sierra 1500 Classic GMC Sierra 1500 Classic 145 Amp Alternator
2005-2006GMC Sierra 1500 HD GMC Sierra 1500 HD 145 Amp Alternator
2007-2009GMC Yukon GMC Yukon V8 4.8L 145 Amp Alternator
2007-2010GMC Yukon GMC Yukon V8 5.3L 145 Amp Alternator
2007-2011GMC Yukon XL 1500 GMC Yukon XL 1500 V8 5.3L 145 Amp Alternator
2007-2009GMC Yukon XL 1500 GMC Yukon XL 1500 V8 6.0L 145 Amp Alternator
2007-2011GMC Yukon XL 2500 GMC Yukon XL 2500 145 Amp Alternator
2007-2009Saab 9-7X Saab 9-7X V8 5.3L 145 Amp Alternator
Part 1AEAL00478
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