Description

Upgrade your heavy-duty suspension or axle assemblies with the Dayton Parts 334-203 Cap Screw. This high-strength Grade 5 bolt is precision-engineered for durability and performance in demanding truck and trailer applications.

Product Features:

• Part Number: 334-203

• Type: Cap Screw / Hex Head Bolt

• Thread Size: 1″-8 UNC

• Length: 7.00 inches (measured from under the head)

• Grade: 5 (medium carbon steel, heat-treated)

• Finish: Plain / Phosphate-coated (depending on supplier batch)

• Thread Length: Standard thread (typically 2.25–2.50 inches)

• Head Type: Hex

• Common Use: Spring, suspension, and axle applications

Enhanced Cross-Reference Numbers & Part Equivalents

This robust Grade 5 fastener is compatible with numerous OEMs and aftermarket providers. Verified cross-references include:

• Stengel Bros listing: 17073 · 21001‑01 · T5492 · R244 · C100700GR5 · E‑1166 · 09‑2288 · 09‑2446 · M‑1766 · M‑1471 · H80070 · S7160 · SA1050

• TruckPro/PeteTruckParts: OEM designations like “21B T‑ROD BOLT 334‑203” (Peterbilt 21B torque‑rod bolt)

• Other cross-ref links include Dayton internal and aftermarket numbers: 334203, TW334‑203, 27001204 (cam kit), etc.

Applications:
Used across various suspensions and axles from Hendrickson, Reyco, Chalmers, and more. Commonly found in heavy-duty trucks, trailers, and vocational vehicles.