Idler Scag 5IN X 3/8IN Flat

Name: 78-300 IDLER SCAG 5IN X 3/8IN FLAT
Brand: Oregon
SKU: 78-300
Price: 35.94 USD
Availability: InStock

Genuine Oregon OEM · Part number 78-300

The Idler Scag 5IN X 3/8IN Flat is a genuine Oregon accessories part, OEM part number 78-300. Dykes Motors sells it for $35.94. Specs: length 5 in. It is in stock to order online, or you can pick it up at our store. Not sure it fits your machine? Send the model and serial number to the parts desk before you order.

Price and availability checked Oct 19, 2026

~~Market price $39.46~~ Save 9%

$35.94

We accept Visa, Mastercard, American Express, Discover, Apple Pay, Google Pay, Amazon Pay, PayPal, Venmo, and Klarna.

In stock. Ships in 2 to 3 business days, arrives in 1 to 2 more — by Mon, Oct 26. Free shipping on every parts order. Free pickup at 3069 Hwy 49.

Genuine OEM part. Manufacturer warranty honored at our dealership.

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Cross-reference / interchange numbers: 363264*, JT9897*, 182519*, 48198*, 483211*, 483215*, 48269*, J182519*, 18032*

* catalog cross-reference match, not yet human-verified — call to confirm before ordering off this number alone.

Details

This Oregon idler pulley is a 5-inch diameter, 3/8-inch flat belt pulley used to guide and maintain tension on equipment belts during operation. Oregon part number 78-300 is model-specific, so verify your equipment's model or engine number against the fitment list to confirm compatibility before ordering. This is genuine Oregon OEM equipment.

Specifications

Length: 5 in

Verify your fitment before you order

Text your equipment model and serial number to 601.516.7255 and we confirm the exact part before you pay. Prefer to talk? Call (601) 516-7255.

Questions about part 78-300

What machines does part 78-300 fit?

We do not list a confirmed fitment for part 78-300 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.