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The Minelab Straight Upper Shaft (part 3011-0182) is a replacement upper section for the GPX, GP, and SD series gold detectors. GPX 5000 and GPX 4800 owners working remote goldfields keep a backup shaft in the truck, and this lightweight upper section fits 12 models across three detector families. The straight design preserves your detector's original balance point, and the build matches factory specification for weight and durability. This is the upper section only — not a complete shaft assembly.
Why GPX and SD Series Owners Keep a Spare Shaft
- Field reliability on multi-day prospecting trips: a cracked or bent upper shaft ends your hunt unless you carry a spare, and this lightweight section stows in a truck toolbox without adding bulk.
- Maintains factory balance and swing weight: the straight geometry preserves the detector's center of gravity, so swing fatigue and coil control stay consistent after a swap.
- Broad compatibility across 12 Minelab models — one spare can cover several detectors if you run older and newer units.
- Lightweight build matching the factory upper shaft, keeping swing weight low during long grid searches.
Lightweight Construction for GPX Field Use
The upper shaft matches the factory part's weight and flex, so your detector's original balance and handling carry over. The straight profile keeps the stock balance point, and the connector interface fits the lower shaft and handle mount without modification. GPX 5000 and GPX 4500 owners working steep terrain get the same low swing fatigue from the lightweight upper section, and it holds up to repeated assembly and disassembly when you break the detector down for transport. The fit is tight enough to eliminate rattle during the swing without thread sealant. This is a direct replacement for the upper section only — you'll need the lower shaft, handle, and armrest separately to build a complete spare assembly. Our team keeps one in the truck as a field backup; it packs easily alongside your Minelab metal detectors & gold prospecting equipment.

Specifications
- Compatibility: Minelab GPX 5000, GPX 4800, GPX 4500, GPX 4000, GP Extreme, GP 3500, GP 3000, SD 2200v2, SD 2200d, SD 2100v2, SD 2100e, SD 2000
- Component Type: Upper shaft section (straight profile)
- Material: lightweight aluminum
- Length: 24 in / 61 cm]
- Part Number: 3011-0182
- Warranty: Minelab manufacturer warranty
Why Buy from Serious Detecting
Serious Detecting is an authorized Minelab dealer, so this straight upper shaft ships with the manufacturer warranty and access to Minelab's technical support network. Our team runs GPX detectors in the field and stocks replacement components for prospectors working remote areas. Free shipping on all orders, 30-day returns, and a price-match guarantee. Need help confirming fit on an older SD model or building a complete spare assembly? Our support team has hands-on GPX and SD experience — see our metal detecting tips and FAQs for field repairs.
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