Description

• Optimize your suspension with the Dayton Parts 330‑186 Side Bar, engineered for Peterbilt conventional and cab-over trucks using a 4‑inch leaf spring system.

  Accurate Specifications

  • Center‑to‑Center Hole Spacing (bolt C‑to‑C): 3.5 inchesebay.com+15truckpartsworld.net+15ebay.com+15fleetpride.com+3nickstruckparts.com+3nickstruckparts.com+3fleetsworld.com+1fleetsworld.com+1

  • Overall Length: approx. 6 inches

  • Width: 2.00 inches fleetsworld.com+1fleetsworld.com+1

  • Thickness: 1.125 inches nickstruckparts.com+12fleetsworld.com+12fleetsworld.com+12

  • Bolt Hole Diameter: ~0.500 inch ebay.com+9fleetsworld.com+9fleetsworld.com+9

  Weight: ~2.45 lbs; Dimensions: ~6.03 × 2.03 × 1.156 inch

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  Cross‑Reference Part Numbers

  This sidebar corresponds with multiple OEM and aftermarket equivalents:

  • Peterbilt: 02‑01783, 02‑01784, 201783, 201784atrobushing.com+8fleetsworld.com+8fleetsworld.com+8fleetpride.com+11vanhorntruckparts.com+11nickstruckparts.com+11

  • Automann: M1500

  • Flagg: E627‑75, E627‑15 ebay.com+5vanhorntruckparts.com+5fleetsworld.com+5

  • Also listed under Dayton #320‑186 or 330‑186 equivalentsdaytonparts.com+15fleetsworld.com+15fleetsworld.com+15

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  Application & Fit

  Specifically designed for Peterbilt conventional & cab-over models (COE 1987–1997) using 4‑inch spring eyes on the front suspension. Ideal for replacing worn or damaged side bars on compatible fleets or shop repairs.nickstruckparts.com+1nickstruckparts.com+1

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  SEO-Optimized Summary

  Dayton Parts 330‑186 Side Bar Peterbilt – OEM-grade replacement sidebar for Peterbilt trucks with 4‑inch leaf springs. Features a precise 3.5″ bolt hole spacing, 2″ width, and 1.125″ thickness. Cross-references include Peterbilt 02‑01783/02‑01784, Automann M1500, Flagg E627‑75/E627‑15. Typically sold in pairs. Durable construction built to spec with consistent dimensions.

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  Why Choose Dayton 330‑186

  • Accurate fit with exact bolt‑center spacing (3.5″)

  • OEM compatibility confirmed by multiple cross‑references

  • Heavy-duty build: solid steel & correct dimensions for Peterbilt leaf‑spring setups

  • Cost-effective option compared to OEM Peterbilt parts

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  Product Highlights

  Attribute	Spec
  Application	Peterbilt (COE & conventional, 4″ spring)
  Bolt Hole C‑to‑C	3.5 inches
  Overall Length	6 inches
  Width	2.00 inches
  Thickness	1.125 inches
  Bolt Hole Size	0.500 inches
  Compatible Part Numbers	Peterbilt: 02‑01783, 02‑01784, Automann M1500, Flagg E627‑75/E627‑15, Dayton 320‑186/330‑186