What is better Mellling vs. GM oil pump?

Both Melling and GM oil pumps are reputable brands and offer quality products. The better choice between the two depends on factors such as the specific application, compatibility, and personal preference.

GM Genuine Parts 20881337 | Alternator

Part Number

20881337

Ensure your GM electrical system's reliability with this OE replacement alternator, designed, engineered, and backed by General Motors.

Fits what vehicles: 2007-2014 Cadillac Escalade, 2007-2014 Cadillac Escalade ESV, 2007-2013 Cadillac Escalade EXT, 2007-2013 Chevrolet Avalanche, 2007-2013 Chevrolet Silverado 1500, 2007-2014 Chevrolet Silverado 2500 HD, 2007-2014 Chevrolet Suburban 1500, 2007-2013 Chevrolet Suburban 2500, 2007-2014 Chevrolet Tahoe, 2007-2013 GMC Sierra 1500, 2007-2014 GMC Sierra 2500 HD, 2007-2014 GMC Yukon, 2007-2014 GMC Yukon XL 1500, 2007-2013 GMC Yukon XL 2500, 2008-2010 Hummer H3, 2009-2012 Chevrolet Colorado, 2009-2014 Chevrolet Express 1500, 2009-2012 GMC Canyon, 2009-2014 GMC Savana 1500, 2009-2010 Hummer H3T, 2010 Chevrolet Express 2500, 2010 Chevrolet Express 3500, 2010 GMC Savana 2500, 2010 GMC Savana 3500

Special Price $248.08 Regular Price $269.65

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In stock

Estimated Ship Date: 1 Business Day or Less

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Product Information

Description

Keep your GM vehicle running smoothly with the GM Genuine Parts Alternator, model number 20881337. This top-tier OE alternator is precisely engineered and validated by GM specialists, ensuring optimal power supply and battery charging for your vehicle. Whether you're a DIY enthusiast or a seasoned mechanic, this alternator offers unparalleled performance by integrating seamlessly into your GM vehicle's electrical system.What sets this alternator apart is its rigorous testing process and robust construction derived from aluminum. It’s an ideal choice for Cadillac, Chevrolet, GMC, and Hummer models, delivering a 145 amp output that meets or exceeds original equipment specifications. Trust in a brand designed to keep your vehicle's electrical system in peak condition while enhancing longevity and reliability. Consider pairing it with a new serpentine belt for a complete system refresh.

Features

OE Exact Replacement for GM Models
145 Amp Output for Reliable Power
Aluminum Construction for Durability
Backed by General Motors Assurance
Facilitates Effective Battery Charging
Adapts to New Materials and Technologies
Ideal for Cadillac, Chevrolet, GMC Vehicles

Specifications

Amperage Rating:	145
Alternator Case Material:	Aluminum
Voltage:	12 VDC
Regulator Type:	Internal
Weight (lb):	14.55
Pulley Included:	Yes
Pulley Belt Type:	Serpentine
Family:	Delco AD237
Mounting Type:	1 Pivot Foot
Rotation Direction:	Clockwise