How to replace the alternator on GMC Yukon XL 2500?

You must disconnect the negative Battery Cable followed by removing the accessory Drive Belt as your first steps for generator replacement. Take off any necessary engine sight shield before starting work. The generator electrical connector needs disconnecting followed by the generator cable removal through boot movement that reveals the terminal stud. Next comes generator cable nut removal from the terminal stud and cable extraction. Start by detaching both generator bolts and finally take out the generator itself. Position the generator where it belongs before torquing generator bolts to 50 n.m (37 lb ft). Reconnect the generator cable by placing it on the terminal stud then tighten the generator cable nut to 9 n.m at (80 lb in) before sliding the boot onto the terminal stud. Reconnect the generator electrical wire after attaching the engine sight shield if required and restoring the accessory Drive Belt followed by reattaching the negative Battery Cable.

OEM GMC Yukon XL 2500 Alternator

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11 Alternators found

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GMC Yukon XL 2500 Alternator
Part Number: 19244751
$337.37 MSRP: $658.04
You Save: $320.67 (49%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464476, 15200109, 15263859, 20989650, 22781130, 19151921
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Yukon XL 2500 Alternator
Part Number: 20881337
$267.59 MSRP: $531.14
You Save: $263.55 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 15905874, 25869451, 15905872, 22781127, 25968616
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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GMC Yukon XL 2500 Alternator
Part Number: 22781131
$266.46 MSRP: $587.66
You Save: $321.20 (55%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 19118686, 15847291, 94665137, 15222342, 15124532, 15222341, 15226003, 20989651
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Yukon XL 2500 Alternator
Part Number: 22817848
$293.04 MSRP: $564.72
You Save: $271.68 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 15204278, 20911204, 22781128
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2011 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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GMC Yukon XL 2500 Alternator
Part Number: 19244746
$365.78 MSRP: $713.61
You Save: $347.83 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 19151915, 10464453
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2002 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Yukon XL 2500 Alternator
Part Number: 15128978
$307.79 MSRP: $609.73
You Save: $301.94 (50%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Generator; Generator, Engine Electrical
- Replaces: 10371020
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Yukon XL 2500 Alternator
Part Number: 25877026
Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 15857608, 15905871
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
GMC Yukon XL 2500 Alternator
Part Number: 19244745
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464443, 19151913, 10464405
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L GAS
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GMC Yukon XL 2500 Alternator
Part Number: 15263858
Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 10392759
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
View related parts
GMC Yukon XL 2500 Alternator
Part Number: 19244731
$286.05 MSRP: $511.62
You Save: $225.57 (45%)
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 19151898, 10464481
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
View related parts
GMC Yukon XL 2500 Alternator
Part Number: 19244727
$172.06 MSRP: $298.21
You Save: $126.15 (43%)
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464438, 19151893, 10464451, 10464404, 19151891
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2003 GMC Yukon XL 2500 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS

GMC Yukon XL 2500 Alternator

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GMC Yukon XL 2500 Alternator Parts Questions & Experts Answers

Alternator
19244751
Q: How to replace the alternator on GMC Yukon XL 2500?
A: You must disconnect the negative Battery Cable followed by removing the accessory Drive Belt as your first steps for generator replacement. Take off any necessary engine sight shield before starting work. The generator electrical connector needs disconnecting followed by the generator cable removal through boot movement that reveals the terminal stud. Next comes generator cable nut removal from the terminal stud and cable extraction. Start by detaching both generator bolts and finally take out the generator itself. Position the generator where it belongs before torquing generator bolts to 50 n.m (37 lb ft). Reconnect the generator cable by placing it on the terminal stud then tighten the generator cable nut to 9 n.m at (80 lb in) before sliding the boot onto the terminal stud. Reconnect the generator electrical wire after attaching the engine sight shield if required and restoring the accessory Drive Belt followed by reattaching the negative Battery Cable.

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