Dayton Parts 327‑540 – Threaded Leaf Spring Pin

Dayton Parts part number: 327‑540 (also listed as 327‑540E)

📐 Key Specifications:

• Type: Threaded leaf spring pin

• Diameter: 1.062″ (27 mm)

• Length (overall): 7.870″ (200 mm)

• Center‑to‑center spacing: 6.330″ (161 mm)

• Thread profile: Metric M33.5‑4

• Weight: ~2.1 lb (0.95 kg)

✅ Applications:

• Designed for heavy‑duty suspension systems found on Kenworth and Peterbilt trucks (front leaf spring assembly)

• OEM fit for Kenworth C500, K100, T300–800 series and Peterbilt COE/conventional (1982–present)

🔁 Cross‑Reference Part Numbers:

• Kenworth: B651008, B65‑1008, PB641008, PB64‑1008

• Paccar: SP59‑11006, SP59‑11007

• Automann: M5449

• Midwest Network / Automann: SB‑5900

• Vander Haag’s: M5449 listed as alternate MPN

• Van Horn: SP1542KW, equivalent to B65‑1008

🔍 Why Choose Dayton Parts 327‑540?

• Precision‑manufactured to meet or exceed OE standards for durability and fit.

• Designed to withstand demanding loads and road conditions.

• Backed by extensive availability through North American distribution networks.