How do I confirm pilotpart400896 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 Saab, Subaru Impreza WRX STI 2.5 2.5L Replacement Forester, Legacy, Outback EJ255 EJ257 23700-AA520 23700-AA521 23700-AA570 A3TG4291

For Subaru Alternator

Alternator 23700-AA521 for Subaru Outback H4 2.5L 05-05

OEM / REF: 23700-AA521SKU: pilotpart400896

New Alternator Replacement For Saab, Subaru Impreza WRX STI 2.5 2.5L Replacement Forester, Legacy, Outback EJ255 EJ257 23700-AA520 23700-AA521 23700-AA570 A3TG4291 is a Alternator replacement part indexed for Part Number and SUBARU Outback H4 2.5L 05-05, with 3 application records on file. Match OEM part number 2370...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$232.56USD/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; SUBARU Outback H4 2.5L 05-05; SUBARU Legacy H4 2.5L 05-05; SUBARU Impreza H4 2.5L 06-10. Compare reference number 23700-AA521 against the label on your existing Subaru component before ordering.

Additional cross references on file: 23700-AA570, A3TG4291. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

23700-AA521 23700-AA570 A3TG4291

Applications

Part Number
SUBARU Outback H4 2.5L 05-05
SUBARU Legacy H4 2.5L 05-05
SUBARU Impreza H4 2.5L 06-10
SUBARU Forester H4 2.5L 06-10
SAAB 9-2X H4 2.5L 06-06

Specifications

Part Number	23700-AA521, 23700-AA570, A3TG4291
SPECIFICATIONS	110 Amp/12 Volt, CW, 5-Groove Pulley
DESIGN	IR/IF
VOLTAGE	12
AMPERAGE	110
ROTATION	CW
PULLEY CLASS	S5
FEATURE 1	100% Top-rated

Fitment Notes

Brand or application signal: Subaru 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.