How do I confirm pilotpart395261 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 2003-2005 Chevy & GMC 6.6L 8.1L C4500 C5500 Kodiak Topkick 10464488 10464489 10480270 10480480 15087022 19244752, ADR0401, 40012230

For GMC Alternator

Alternator ADR0401 for GMC

OEM / REF: ADR0401SKU: pilotpart395261

New Alternator Replacement For 2003-2005 Chevy & GMC 6.6L 8.1L C4500 C5500 Kodiak Topkick 10464488 10464489 10480270 10480480 15087022 19244752, ADR0401, 40012230 is a Alternator replacement part indexed for Part Number and GMC C7500 Topkick V8 8.1L (03-05), with 3 application records on file. Match OEM part number...

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

$185.72USD/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; GMC C7500 Topkick V8 8.1L (03-05); GMC C6500 Topkick V8 8.1L (03-05); GMC C5500 Topkick V8 8.1L (03-05). Compare reference number ADR0401 against the label on your existing GMC component before ordering.

Additional cross references on file: 40012230. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

ADR0401 40012230

Applications

Part Number
GMC C7500 Topkick V8 8.1L (03-05)
GMC C6500 Topkick V8 8.1L (03-05)
GMC C5500 Topkick V8 8.1L (03-05)
GMC C5500 Topkick V8 6.6L (03-05)
GMC C4500 Topkick V8 8.1L (03-05)
GMC C4500 Topkick V8 6.6L (03-05)
CHEVROLET C7500 Kodiak V8 8.1L (03-05)
CHEVROLET C6500 Kodiak V8 8.1L (03-05)
CHEVROLET C5500 Kodiak V8 8.1L (03-05)
CHEVROLET C5500 Kodiak V8 6.6L (03-05)
CHEVROLET C4500 Kodiak V8 8.1L (03-05)
CHEVROLET C4500 Kodiak V8 6.6L (03-05)

Specifications

Part Number	ADR0401, 40012230
SPECIFICATIONS	150 Amp/12 Volt, CW, 6-Groove Pulley
DESIGN	IR/IF
VOLTAGE	12
AMPERAGE	150
ROTATION	CW
PULLEY CLASS	S6
FEATURE 1	100% Top-rated

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.