How do I confirm pilotpart407133 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 1967-1982 OMC Evinrude Johnson 381166 381519 383433 383443 384233 981186 981187 985964 20115020TBA 51-257 51-284 ALK-6223S ALK5206 ALK6207

For Johnson Alternator

Alternator 20115020TBA for Johnson INBOARD & V-DRIVE 66-79

OEM / REF: 20115020TBASKU: pilotpart407133

New Alternator Replacement For 1967-1982 OMC Evinrude Johnson 381166 381519 383433 383443 384233 981186 981187 985964 20115020TBA 51-257 51-284 ALK-6223S ALK5206 ALK6207 is a Alternator replacement part indexed for Part Number and OMC INBOARD & V-DRIVE 66-79, with 3 application records on file. Match OEM part number...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$183.19USD/EA

~~$31,599.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 19 – Aug 26
10	Aug 17 – Aug 24
50	Aug 15 – Aug 22

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; OMC INBOARD & V-DRIVE 66-79; JOHNSON OMC 4CYL Eng. 68-82; JOHNSON Chevrolet V8 Eng. 68-82. Compare reference number 20115020TBA against the label on your existing Johnson component before ordering.

Additional cross references on file: 51-257, 51-284, ALK-6223S. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

20115020TBA51-25751-284ALK-6223S ALK5206 ALK6207

Applications

Part Number
OMC INBOARD & V-DRIVE 66-79
JOHNSON OMC 4CYL Eng. 68-82
JOHNSON Chevrolet V8 Eng. 68-82
JOHNSON Buick V6 Eng. 68-82
EVINRUDE OMC 4 Cyl. Eng. 68-82

Specifications

Part Number	20115020TBA, 51-257, 51-284, ALK-6223S, ALK5206, ALK6207

Fitment Notes

Brand or application signal: Johnson 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.