How do I confirm pilotpart391635-8978326225133 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

New Alternator Replacement For Cadillac Chevy GMC Hummer Buick Saab 6.2L 6.0L 5.3L 4.8L 15093929 15857609 8400104, ADR0373, ADR0368, 40012247, 40012201, 40012380

For GMC Alternator

Alternator 40012247 for GMC V8 5.3L Engine

OEM / REF: 40012247SKU: pilotpart391635-8978326225133

New Alternator Replacement For Cadillac Chevy GMC Hummer Buick Saab 6.2L 6.0L 5.3L 4.8L 15093929 15857609 8400104, ADR0373, ADR0368, 40012247, 40012201, 40012380 is a Alternator replacement part indexed for Part Number and SAAB 9-7x · V8 5.3L · 2007-2009, with 3 application records on file. Match OEM part number 400...

Stock: In stock
Condition: New
Fitment: GMC Engine Spare Parts
Category: Alternator

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$217.26USD/EA

~~$31,599.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 23 – Oct 30
10	Oct 21 – Oct 28
50	Oct 19 – Oct 26

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Alternator Description

This Alternator is indexed for Part Number; SAAB 9-7x · V8 5.3L · 2007-2009; HUMMER H3T · V8 5.3L · 2009-2009; HUMMER H3 · V8 5.3L · 2008-2009. Compare reference number 40012247 against the label on your existing GMC component before ordering.

Additional cross references on file: 40012201, 40012380. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

40012247 40012201 40012380

Applications

Part Number
SAAB 9-7x · V8 5.3L · 2007-2009
HUMMER H3T · V8 5.3L · 2009-2009
HUMMER H3 · V8 5.3L · 2008-2009
GMC Yukon XL 2500 · V8 6.0L · 2007-2010
GMC Yukon XL 1500 · V8 6.2L · 2009-2010
GMC Yukon XL 1500 · V8 6.0L · 2007-2009
GMC Yukon XL 1500 · V8 5.3L · 2008-2010
GMC Yukon · V8 6.2L · 2009-2010
GMC Yukon · V8 6.0L · 2009-2010
GMC Yukon · V8 5.3L · 2008-2010
GMC Yukon · V8 4.8L · 2007-2009
GMC Sierra 2500 HD · V8 6.0L · 2010-2010
GMC Sierra 1500 · V8 6.2L · 2007-2010
GMC Sierra 1500 · V8 6.0L · 2007-2009
GMC Sierra 1500 · V8 5.3L · 2007-2010
GMC Sierra 1500 · V8 4.8L · 2007-2010
GMC Sierra 1500 · V6 4.3L · 2007-2010
GMC Sierra · V8 6.2L · 2008-2010
GMC Sierra · V8 5.3L · 2007-2010
GMC Savana 1500 · V8 5.3L · 2009-2009
GMC Savana 1500 · V6 4.3L · 2009-2010
GMC Envoy · V8 5.3L · 2007-2009
GMC Canyon · V8 5.3L · 2009-2010
CHEVROLET Trailblazer · V8 5.3L · 2007-2008
CHEVROLET Tahoe · V8 6.2L · 2009-2009
CHEVROLET Tahoe · V8 6.0L · 2009-2009
CHEVROLET Tahoe · V8 5.3L · 2008-2010
CHEVROLET Tahoe · V8 4.8L · 2007-2009
CHEVROLET Suburban 2500 · V8 6.0L · 2007-2010
CHEVROLET Suburban 1500 · V8 6.0L · 2007-2009
CHEVROLET Suburban 1500 · V8 5.3L · 2008-2009
CHEVROLET Silverado 2500 HD · V8 6.0L · 2010-2010
CHEVROLET Silverado 1500 · V8 6.2L · 2009-2010
CHEVROLET Silverado 1500 · V8 6.0L · 2007-2009
CHEVROLET Silverado 1500 · V8 5.3L · 2007-2010
CHEVROLET Silverado 1500 · V8 4.8L · 2007-2010
CHEVROLET Silverado 1500 · V6 4.3L · 2007-2010
CHEVROLET Express 1500 · V8 5.3L · 2009-2009
CHEVROLET Express 1500 · V6 4.3L · 2009-2010
CHEVROLET Colorado · V8 5.3L · 2009-2010
CHEVROLET Avalanche · V8 6.0L · 2007-2009
CHEVROLET Avalanche · V8 5.3L · 2007-2010
CADILLAC Escalade EXT · V8 6.2L · 2007-2010
CADILLAC Escalade ESV · V8 6.2L · 2007-2010
CADILLAC Escalade · V8 6.2L · 2007-2010
CADILLAC Escalade · V8 6.0L · 2009-2009
BUICK Rainier · V8 5.3L · 2007-2007

Specifications

Part Number	40012247, 40012201, 40012380
SPECIFICATIONS	145 Amp/12 Volt, CW, 6-Groove/62mm OD Pulley
DESIGN	IR/IF
VOLTAGE	12
AMPERAGE	145
ROTATION	CW
PULLEY CLASS	S6
FEATURE 1	100% Top-rated
FEATURE 2	premium rectifier & regulator
FEATURE 3	Premium, hi-temperature bearings

Fitment Notes

Brand or application signal: GMC Engine Spare Parts
Product family: Alternator
System category: Engine Spare Parts > Engine Auxiliary Components > Alternator
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.