Description

The Dayton 334-458 bolt is a high-strength suspension bolt engineered for heavy-duty truck and trailer applications. Built to withstand extreme loads, vibrations, and road conditions, this bolt is ideal for use in suspension systems, spring assemblies, and other critical mounting points. Dayton is a trusted name in commercial vehicle parts, known for durability and OEM-quality standards.

Product Features:

• Part Number: Dayton 334-458

• Category: Suspension / Spring Bolt

• Thread Size: 1″-14

• Length: 8.50″

• Grip Length: 3.50″

• Shoulder Diameter: 1.00″

• Thread Length: 2.00″

• Finish: Zinc-plated or phosphate-coated (corrosion resistant)

• Grade: Grade 8 hardened steel

(Please verify exact fitment for your application.)

Verified Cross‑Reference Part Numbers:

This bolt is cross-referenced with leading OEM and aftermarket brands:

• Automann F100812 (also listed as F100812GR8, M1657/M1658/M5230)

• Euclid E‑1862

• Flagg B1381‑75

• Airsource OCT09

• Dayton OEM: 13296334458

• Peterbilt: 0301668 (also listed as 301668

Automann F100812, F100812GR8, M1657, M1658, M5230, Euclid E‑1862, Flagg B1381‑75, Airsource OCT09, Peterbilt 0301668 (301668), Dayton 13296334458, Euclid E‑4778, Hendrickson 30550‑001, Hendrickson 45027, 21381, 30550‑19, 3628, BG83268F, B1496‑50, 07300, 10‑5809, 13296

Common Applications:

• Leaf spring mounting

• Suspension hanger and shackle brackets

• Trailer axle and spring assemblies

• Heavy-duty trucks and semi-trailers

Built to Withstand the Road
The Dayton 334-458 bolt delivers the strength and reliability your suspension system demands. Whether you’re performing fleet maintenance or a single truck repair, this bolt is a cost-effective and long-lasting solution.