Week Parts Sale, ends Saturday Sale prices shown on every part.

Lock Piston Pin

Name: 590664 LOCK-PISTON PIN
Brand: Briggs & Stratton
SKU: 590664
Price: 5.39 USD
Availability: InStock

Genuine Briggs & Stratton OEM · Part number 590664

The Lock Piston Pin is a genuine Briggs & Stratton engine parts part, OEM part number 590664. Dykes Motors sells it for $5.39. 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 10, 2026

~~Regular price $24.14~~ Week sale: Save 78%

$5.39

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 19. 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

457 more models in the OEM parts diagram, unverified

Plus 397 more models. Text your model and serial number below and we confirm the exact fit.

Details

This genuine Briggs & Stratton OEM piston pin lock (part number 590664) secures the piston pin in place within the engine, preventing unwanted movement during operation. This is an engine-specific part, so confirm your engine model or serial number against the fitment list before ordering. Dykes Motors stocks this authentic Briggs & Stratton component for your engine repair needs.

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 590664

What machines does part 590664 fit?

We do not list a confirmed fitment for part 590664 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.