Progressive 412 Rear Shocks 11in Harley Dyna 1991-2017 412-4037 Used

Pair of Progressive Suspension 412 Series rear shocks for Harley-Davidson Dyna applications. The shocks are in good used condition with minor cosmetic wear from normal use.

Part Number / Markings: Progressive 412-4037
Condition: Used – Good

DETAILS: Progressive 412 shocks feature a durable steel-body design and adjustable spring preload. The 412-4037 application is the 11-inch standard Dyna shock family.

USED PARTS DISCLAIMER: This is a used motorcycle part and may show normal signs of age, installation, removal, storage, and previous use, including scratches, scuffs, discoloration, surface corrosion, paint or chrome wear, oxidation, or other cosmetic imperfections. Any known damage or defects are noted when known. Unless otherwise stated, the photos show the actual item being sold and are considered part of the description.

FITMENT NOTES: Published fitment identifies 412-4037 as an 11-inch shock for 1991-2017 Harley Dyna models. Verify eye-to-eye length, spring rate, finish, and clearance before installation.

FITMENT: Buyer is responsible for verifying fitment before purchase. Fitment information is provided as a reference based on available part numbers, markings, dimensions, and published references. Motorcycles may have been modified over time, so compare the part number, mounting points, wiring, dimensions, finish, and photos with the part currently on your motorcycle.

QUESTIONS? Send us a message before purchasing if you need additional measurements, photos, condition details, or clarification on what is included.

SHIPPING: Orders are typically processed and shipped within 1–2 business days after payment. Tracking is provided once the order ships. Parts are packed according to their size, weight, and type.