V-Twin 63776 Exhaust Oxygen Sensor for Front or Rear Harley-Davidson XL and FLT Models

Exhaust oxygen sensor has 18mm X 1.5mm threads. Sensor is for the front or rear cylinder.

The V-Twin 63776 Exhaust Oxygen Sensor is designed for installation in the front or rear exhaust position on select Harley-Davidson motorcycles. This replacement sensor helps monitor exhaust oxygen levels so the engine management system can adjust the fuel mixture for efficient, consistent operation. It is a practical solution for replacing a worn, damaged, or malfunctioning original sensor while supporting proper fuel-injection performance.
Fits 2007–2013 Harley-Davidson XL models and 2007–2008 Harley-Davidson FLT models. The V-Twin 63776 sensor is listed as an OEM cross-reference for Harley-Davidson part 27719-07, helping simplify selection when matching a replacement component to the original application. Verify motorcycle model and year before ordering to ensure proper fitment.
Built for direct replacement use, this exhaust oxygen sensor is suitable for maintenance, repair, and restoration projects. Installation should be completed according to the motorcycle manufacturer’s service procedures, with proper attention to exhaust component access and electrical connections. The sensor is supplied as an individual replacement unit and is manufactured in China.

Features:

• Brand: V-Twin

• Part Number: 63776

• Application: Exhaust oxygen sensor for front or rear installation

• Fitment: 2007–2013 Harley-Davidson XL models

• Fitment: 2007–2008 Harley-Davidson FLT models

• OEM Cross Reference: 27719-07

• UOM: EA

• Country of Origin: China

• Accessory Items: 42-0953 - Flywheel Sensor Cover Chrome, 32-3038 - Twin Tuner EFI Controller

Fitment
Harley Davidson FLT 2007
Harley Davidson FLT 2008
Harley Davidson XL 2007
Harley Davidson XL 2008
Harley Davidson XL 2009
Harley Davidson XL 2010
Harley Davidson XL 2011
Harley Davidson XL 2012
Harley Davidson XL 2013