Same-day shipping on orders before 2 PM ETFree freight over $300NET-30 terms for qualified accounts+1 (646) 325-7236

Loading verified parts…

Matching MPNs, fitment notes, and live stock.

Powermaster One Wire Connection Alternator/ Generator 485503-17.5 - Alt Denso Natural 245A

Name: Powermaster One Wire Connection Alternator/ Generator 485503-17.5 - Alt Denso Natural 245A
Brand: Powermaster
SKU: 485503-17.5
Price: 345.49 USD
Availability: InStock

Be the first to review this part

The Powermaster 485503-17.5 one-wire alternator serves the higher-voltage calibration of the 485503 family. Same max-amperage architecture, different pre-set voltage point.

In Stock — Ready to ShipSale −20%$345.49List $431.49Save $86.00Same-day shipping on orders before 2 PM ET

Quantity

Powermaster One Wire Connection Alternator/ Generator 485503-17.5 - Alt Denso Natural 245A

$345.49$431.49In stock

In Stock · Ready to Dispatch

Orders before 2:00 PM EST ship same business day.

Exact MPN Verified Fitment

Guaranteed compatibility or 30-day hassle-free return.

Commercial Freight & Express Available

Free standard shipping on orders over $300.

Helpful guides for Generators & power equipment

Find Your Generator Controller Part NumberHow to read the MPN off Generac Nexus/Evolution, Kohler APM402, and Cummins Onan controllers so you order the exact board the first time.Read

Customer Reviews & Fitment Feedback

Real-world installation feedback from equipment owners for Powermaster 485503-17.5

Install it? Be the first to review.

Have you fitted this part on your equipment? Share what worked, how the connectors lined up, and how the machine behaved after — your verified feedback helps other technicians, mechanics, and RV owners order with confidence.

Ask a fitment question

Unsure this part matches your unit? Ask below — a specialist answers and the answered question publishes here for the next shopper.

Frequently Asked Questions About Powermaster 485503-17.5

What does the Powermaster 485503-17.5 fit?

Fitment for Powermaster 485503-17.5 is grouped under Ignitions & Electrical in our catalog. Confirm the model number on your unit before ordering.

Is 485503-17.5 a genuine OEM part?

Powermaster 485503-17.5 is cataloged as an OEM replacement part and compared across 1 supplier offer. Verify the number on your original unit before ordering.

How do I confirm 485503-17.5 is the right replacement?

Check the controller model, harness connector pin count and firmware revision on your generator against the Powermaster 485503-17.5 listing. Keep the old unit for a direct visual comparison of connectors and mounting.

What are the shipping and return options for Powermaster 485503-17.5?

Pricing for Powermaster 485503-17.5 is $431.49 across 1 catalog offer. Shipping is quoted at checkout and our returns page lists the current window.