Overview
This is a genuine AL‑KO 10″ × 2¼″ electric brake hub drum configured for the Ford-style 5‑stud wheel pattern (5 × 114.3 mm / 4.5″ PCD)—perfect for slimline (Ford) bearing trailer axles. The unit comes pre-fitted with ½″ UNF wheel studs and is made from high-grade ductile iron for strength and durability. (Bearings, grease cap, nuts, and seals are sold separately.)
What’s Included
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1 × 10″ × 2¼″ hub drum fitted with 5 × ½″ UNF wheel studs
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Designed for slimline (Ford) bearings—no bearings included
Key Features
✅ Authentic AL‑KO part #438209—built to OEM specifications for Ford-pattern trailer rims
✅ Ductile iron construction—designed for longevity and heat resistance under braking load
✅ Slimline bearing compatible—ideal for Ford 4.5″ PCD axles fitted with slimline bearings
✅ Preinstalled ½″ UNF studs—no need for manual stud replacement during rebuild
✅ 12‑Month manufacturer warranty—backed by AL‑KO and ACL protections (where applicable)
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 438209 |
| Drum Size | 10″ × 2¼″ (≈254 mm × 57 mm) |
| Stud Pattern | 5 × 4.5″ (114.3 mm) PCD, ½″ UNF studs |
| Bearing Type | Slimline / Ford (bearings not included) |
| Material | High-grade ductile iron |
| Axle Compatibility | Standard trailer axles using Ford pattern |
| Includes | Hub drum with studs only |
Applications
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Replacement hub/drum for trailers, caravans, and campers using Ford 5‑stud rims
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Matches 10″ AL‑KO or Hayes backing plates on 3,500 lb axles
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Ideal for mechanical rebuilds where bearings and hardware are refreshed separately
Why Choose This Drum?
As a genuine AL‑KO component, this drum ensures consistent fitment, reliable braking, and easy integration with standard AL‑KO electric brake systems. The slimline bearing configuration makes it a direct OEM-standard replacement—no machining needed.
🔧 Installation Tips
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Confirm your wheel bolt pattern is 5 × 4.5″ PCD (Ford style).
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Use compatible slimline bearing kit (e.g. AL‑KO Japanese kit) and purchase separately.
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Clean backing plate surface and align brake magnets before assembly.
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Use correct torque on studs and ensure drum spins freely before welding or fastening.
🔗 Related Products
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AL‑KO 10″ Electric Backing Plates (LH & RH)
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10″ Electric Brake Shoes (One-Wheel & Full Axle Kits)
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AL‑KO Oval Brake Magnets (Green Wire, Part #339010)
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Slimline Bearing Kits for Ford axles
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