How do I confirm pilotpart407399 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 1997 97 Cadillac DeVille V8 4.6L 10464080 10480311 321-1428 334-2470, ADR0303, 40012421, 90014311

For Cadillac Alternator

Alternator ADR0303 for Cadillac V8 4.6L Engine

OEM / REF: ADR0303SKU: pilotpart407399

New Alternator Replacement For 1997 97 Cadillac DeVille V8 4.6L 10464080 10480311 321-1428 334-2470, ADR0303, 40012421, 90014311 is a Alternator replacement part indexed for Part Number and CADILLAC DeVille · V8 4.6L · 1997-1997. Match OEM part number ADR0303 and confirm fitment for Cadillac Engine Spare Parts befor...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$213.47USD/EA

~~$31,599.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 9 – Aug 16
10	Aug 7 – Aug 14
50	Aug 5 – Aug 12

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; CADILLAC DeVille · V8 4.6L · 1997-1997. Compare reference number ADR0303 against the label on your existing Cadillac component before ordering.

Additional cross references on file: 40012421, 90014311. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

ADR0303 40012421 90014311

Applications

Part Number
CADILLAC DeVille · V8 4.6L · 1997-1997

Specifications

Part Number	ADR0303, 40012421, 90014311
SPECIFICATIONS	140 Amp/12 Volt, CW, 6-Groove/56mm OD Pulley, 11: 00 Plug Clock
DESIGN	IR/EF
VOLTAGE	12
AMPERAGE	140
ROTATION	CW
PULLEY CLASS	S6
NOTE 1	309 Plug Code
NOTE 2	Neg. Grd.
FEATURE 1	100% Top-rated

Fitment Notes

Brand or application signal: Cadillac 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.