How do I confirm pilotpart411991 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 Subaru Legacy H4 2.5L 2005-2009, Outback H4 2.5L 2005-2009 A003TG2391, 23700AA55AR1, 23700AA55A, A3TG2391, AMT0143, 40048069

For Subaru Alternator

Alternator 23700AA55A for Subaru Outback H4 2.5L 05-09

OEM / REF: 23700AA55ASKU: pilotpart411991

New Alternator Replacement For Subaru Legacy H4 2.5L 2005-2009, Outback H4 2.5L 2005-2009 A003TG2391, 23700AA55AR1, 23700AA55A, A3TG2391, AMT0143, 40048069 is a Alternator replacement part indexed for Part Number and SUBARU Outback H4 2.5L 05-09, with 3 application records on file. Match OEM part number 23700AA55A a...

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

$214.99USD/EA

~~$36,999.00~~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 05-09; SUBARU Legacy H4 2.5L 05-09. Compare reference number 23700AA55A against the label on your existing Subaru component before ordering.

Additional cross references on file: A3TG2391, AMT0143, 40048069. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

23700AA55A A3TG2391 AMT0143 40048069

Applications

Part Number
SUBARU Outback H4 2.5L 05-09
SUBARU Legacy H4 2.5L 05-09

Specifications

Part Number	23700AA55A, A3TG2391, AMT0143, 40048069
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.