{ "@context": "https://schema.org/", "@type": "Product", "name": "ALU0028 Universal 1-Wire Alternator 12V 63A - GM 10SI Style", "description": "Premium 12V 63 Amp 1-Wire Universal Alternator. Features internal self-exciting regulator for easy installation on hot rods, tractors, and custom builds.", "brand": { "@type": "Brand", "name": "4Drive / Aftermarket" }, "sku": "ALU0028", "mpn": "ALU0028", "offers": { "@type": "Offer", "url": "https://4drive.co.uk/products/alternator-for-various-applications", "priceCurrency": "GBP", "price": "174.90", "availability": "https://schema.org/InStock" } } ALU0028 1-Wire Alternator 63 Amp | 12V | GM 10SI Style Universal Fit The ALU0028 is a high-performance, universal 1-wire alternator designed to simplify your vehicle's charging system. Based on the legendary GM 10SI platform, this unit features a built-in self-exciting regulator, meaning it requires only a single wire connected to the battery to function. It is the gold standard for hot rod enthusiasts, tractor restorations, and custom marine applications where a clean, minimal engine bay is required. RELIABILITY: Engineered with high-temperature internal components and a heavy-duty rectifier to ensure consistent 63A output under demanding conditions. Key Features ✔ 1-Wire Setup: No external regulator or complex wiring. ✔ Self-Exciting: Charges automatically as engine RPM rises. ✔ Universal Design: Classic GM 10SI 2-ear mounting pattern. ✔ Internal Fan: Optimized cooling for long-cycle reliability. Technical Specs Voltage 12V Amperage 63A Regulator Internal (Self-Excited) Rotation Clockwise (CW) Pulley Class V1 (1-Groove V-Belt) Mounting Type 2-Ear Pivot Compatibility / Fitment Guide Application Type Details Notes Hot Rod / Street Rod Universal GM conversions Simplifies wiring to 1-wire Agricultural Tractors (John Deere, Case, etc.) Ideal for 12V upgrades Marine Inboard engines Check rotation (Standard CW) Industrial Lift trucks and stationary engines Heavy-duty 63A output OEM Cross Reference WAI / Lester 7127-1W, 7127-3SE, ADR0152 Delco Remy 1100577, 1100578, 1100588, 1100595 NAPA 213-4011SW Wilson 90-01-4011 Questions & Answers Is this a genuine original part? This is a premium quality aftermarket replacement part, manufactured by 4Drive to meet or exceed original equipment (OE) standards for fitment and performance. How do I know if it is compatible? If you are converting to a 1-wire system or replacing an existing 10SI alternator, this is a universal fit. Check the cross-reference list above for part number matching. Will it charge at idle? This self-exciting alternator typically requires a brief engine rev (to approximately 1200-1500 RPM) to "turn on" the charging circuit, after which it will maintain charge even at low idle speeds. Note: Professional installation is recommended. Ensure the battery cable gauge is sufficient for a 63A output. Visit 4drive.co.uk for more technical support.