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.
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
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
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
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.
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
| 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 |
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