SPRING, Idler Pulley

Name: 84003839 SPRING, IDLER PULLEY
Brand: Briggs & Stratton
SKU: 84003839
Price: 9.31 USD
Availability: InStock

Genuine Briggs & Stratton OEM · Part number 84003839

The SPRING, Idler Pulley is a genuine Briggs & Stratton pulleys part, OEM part number 84003839. Dykes Motors sells it for $9.31. 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. Dykes Motors is an authorized Bobcat, LS Tractor, and Ferris dealer with genuine parts and service on site.

Price and availability checked Oct 2, 2026

$9.31

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

In stock. Ships within 1 to 2 business days, arrives in 3 to 5 more — by Thu, Oct 15. Free shipping on every parts order. Free pickup at 3069 Hwy 49.

Genuine OEM part. Manufacturer warranty honored at our dealership.

Authorized Briggs and Stratton Dealer

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Fits these models

26 more models in the OEM parts diagram, unverified

Details

This is a genuine Briggs & Stratton OEM idler pulley spring (part number 84003839) that maintains proper tension on the idler pulley to keep belt drive systems running smoothly and efficiently. Idler pulley springs are subject to wear and stretching over time and may need replacement during routine maintenance or repairs. Be sure to confirm your specific equipment model or engine number matches this part before ordering—a complete fitment list is available on this page.

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 84003839

What machines does part 84003839 fit?

We do not list a confirmed fitment for part 84003839 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.