How do I confirm pilotpart398467 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.

OutOfStock New Alternator Replacement For 1994-2000 Mercury 225L EFI 225XL 225XXL 821663 821663-1 821663-A1

For Mercury Alternator

Alternator 821663 for Mercury

OEM / REF: 821663SKU: pilotpart398467

New Alternator Replacement For 1994-2000 Mercury 225L EFI 225XL 225XXL 821663 821663-1 821663-A1 is a Alternator replacement part indexed for Part Number and 1. COMPATIBLE WITH or REPLACEMENT FOR MERCURY: 300XL Promax Racing 98-00 300L Promax Racing 98-00 300CXL Promax Racing 98-00 300CL Promax Racing 98-00 250XXL E...

Stock: Out of stock
Condition: New
Fitment: Mercury Engine Spare Parts
Category: Alternator

Fitment support before you order
Worldwide delivery options

Currently unavailable

$171.37USD/EA

~~$31,599.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 16 – Aug 23
10	Aug 14 – Aug 21
50	Aug 12 – Aug 19

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; 1. COMPATIBLE WITH or REPLACEMENT FOR MERCURY: 300XL Promax Racing 98-00 300L Promax Racing 98-00 300CXL Promax Racing 98-00 300CL Promax Racing 98-00 250XXL EFI 95-00 250XL EFI 95-00 250CXXL EFI 95-00 250CXL EFI 95-00 225XXL EFI 95-00 225XXL 94-99 225XL EFI 95-00 225XL 94-99 225L EFI 96-00 225L 94-99 225CXXL EFI 95-00 225CXXL 94-99 225CXL Seapro 96-98 225CXL EFI 95-00 225CXL 94-99 2. COMPATIBLE WITH or REPLACEMENT FOR MARINER: 250 (EFI) multiple years 225 SEA PRO (Carb) multiple years 225 (EFI) multiple years 225 (Carb) multiple years. Compare reference number 821663 against the label on your existing Mercury component before ordering.

Additional cross references on file: 821663-1, 821663-A1. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

821663 821663-1 821663-A1

Applications

Part Number
1. COMPATIBLE WITH or REPLACEMENT FOR MERCURY: 300XL Promax Racing 98-00 300L Promax Racing 98-00 300CXL Promax Racing 98-00 300CL Promax Racing 98-00 250XXL EFI 95-00 250XL EFI 95-00 250CXXL EFI 95-00 250CXL EFI 95-00 225XXL EFI 95-00 225XXL 94-99 225XL EFI 95-00 225XL 94-99 225L EFI 96-00 225L 94-99 225CXXL EFI 95-00 225CXXL 94-99 225CXL Seapro 96-98 225CXL EFI 95-00 225CXL 94-99 2. COMPATIBLE WITH or REPLACEMENT FOR MARINER: 250 (EFI) multiple years 225 SEA PRO (Carb) multiple years 225 (EFI) multiple years 225 (Carb) multiple years

Specifications

Part Number	821663, 821663-1, 821663-A1

Fitment Notes

Brand or application signal: Mercury 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: OutOfStock
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.