Description
The Automann M5308 spring pin (also known as a shackle pin) is a rugged suspension component engineered for heavy-duty use on Peterbilt and Kenworth trucks. Precision-formed from hardened steel, it’s built to endure high loads, resist wear, and maintain suspension alignment for a smoother, safer ride.
Key Specifications:
| Attribute | Value |
|---|---|
| Pin Diameter | 1.250 in (1¼″ / 31.8 mm) |
| Overall Length | ~6.850 in (6 27/32″ / 17.37 cm) |
| Center‑to‑Center (groove) | ~5.320 in |
| Type | Type 1 non-threaded spring/shackle pin |
| Weight | ~2.2 lb (1 kg) |
OEM Fitment & Applications
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Designed specifically for front and rear spring eye mounting on Peterbilt and Kenworth steering axles (e.g., T300, K300, T600 series)
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Ideal for 4.0″ wide spring packs; replaces similar pins like M5306
Cross‑Reference Part Numbers
Compatible OEM and aftermarket equivalents include:
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Peterbilt: 02‑01767, 02‑01781, 201767, 201781
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Kenworth: K179527, K179‑527
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Dayton: 327‑483
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Flagg: B1420‑75
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Automann/ATRO: ATRO SP75‑11781, ATRO SK75‑10200, M1500, MPB452, MPB60, M5308H
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Meritor: G16319
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Power10/SB‑1420, Elite Truck ETP‑02‑01781
Product Highlights:
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Precision-machined with exact diameter and length for OEM-grade suspension fit
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Hardened steel finish ensures durability and resistance in demanding road conditions
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Maintains proper alignment in spring packs to reduce bushing wear and improve ride comfort
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Suitable for fleet, vocational, and commercial trucks running heavy loads
Why Choose Automann M5308?
Searching for a 1.25″ x 6.85″ spring pin that matches Peterbilt/Kenworth specs? Here’s why M5308 stands out:
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OEM-fit & multiple cross-refs ensure compatibility across many brands
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Trusted aftermarket quality from a leading parts supplier
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Exact replacement for M5306 but for wider spring applications
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