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.

Caterpillarolympian 3N-5978 Generator Controllers Replacement Part

Name: Caterpillarolympian 3N-5978 Generator Controllers Replacement Part
Brand: Caterpillarolympian
SKU: 3N-5978
Price: 78.5 USD
Availability: InStock

Be the first to review this part

Caterpillar Olympian 3N 5978 Generator in Generator from $121.51. New condition part from Caterpillar/Olympian. Match model before ordering.

In Stock — Ready to ShipSale −20%$78.50List $97.50Save $19.00Same-day shipping on orders before 2 PM ET

Quantity

Caterpillarolympian 3N-5978 Generator Controllers Replacement Part

$78.50$97.50In 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.

Product & Logistics Specifications

Brand: Exact Part Supply
Part Number (MPN): 3N-5978
Equipment Department: Generators & power equipment
Equipment Collection: Generator parts, controllers & accessories
Availability: In Stock — Ready to Ship
Freight & Shipping: Standard Regional Ground

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 Caterpillarolympian 3N-5978

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 Caterpillarolympian 3N-5978

What does the Caterpillarolympian 3N-5978 fit?

Fitment for Caterpillarolympian 3N-5978 is grouped under Generator Controllers in our catalog. Confirm the model number on your unit before ordering.

Is 3N-5978 a genuine OEM part?

Caterpillarolympian 3N-5978 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 3N-5978 is the right replacement?

Check the controller model, harness connector pin count and firmware revision on your generator against the Caterpillarolympian 3N-5978 listing. Keep the old unit for a direct visual comparison of connectors and mounting.

What are the shipping and return options for Caterpillarolympian 3N-5978?

Pricing for Caterpillarolympian 3N-5978 is $97.50 across 1 catalog offer. Shipping is quoted at checkout and our returns page lists the current window.