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Haltech engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Haltech lineup with fast shipping and expert fitment support — order with confidence.
The Haltech Wideband Extension Harness for LSU4.9 is an essential component for tuners looking to optimize their engine management setup. Designed specifically for the Bosch LSU4.9 sensor, this extension provides the necessary length to route your wideband wiring cleanly through the engine bay, ensuring your sensor stays clear of heat sources and moving parts.
Whether you are performing a custom engine build or simply relocating your wideband controller for better accessibility, this harness delivers the reliability required for high-performance applications. By maintaining a clean signal path, you avoid the common pitfalls of voltage drops or interference that can plague improperly routed sensor wiring. This harness is built to withstand the harsh environment of a performance engine bay, featuring durable shielding and robust connectors that lock firmly into place. Don't let short cable lengths compromise your tuning data; ensure your wideband sensor is positioned exactly where it needs to be for the most accurate data logging. Trust GGCRACING for all your premium Haltech engine management components and tuning accessories.
| Brand | Haltech |
|---|---|
| Manufacturer part number | HT-010719 |
| GGC SKU | HALHT-010719 |
| UPC / GTIN | 9356450000789 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 10 × 6.2 × 1 in |
|---|---|
| Shipping weight | 0.24 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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