DIAG4 BIKE
DIAG4 BIKE develops professional motorcycle diagnostic equipment designed for accurate troubleshooting, ECU communication and electronic system servicing. Trusted by dealerships, workshops and experienced technicians, the brand provides dependable solutions for diagnosing modern motorcycles. The product range includes motorcycle diagnostic tools, diagnostic cables and motorcycle diagnostic software for comprehensive electronic diagnostics and maintenance.
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Diag4 Bike - AT 531 4032 - Interface To Bike Cable 4-Pin
DIAG4 BIKE
$65.95Diag4 Bike - AT 531 4032 - Interface To Bike Cable 4-Pin$65.95 -
Diag4 Bike - AT 531 4047 - Interface To Bike Cable 6-Pin
DIAG4 BIKE
$65.95Diag4 Bike - AT 531 4047 - Interface To Bike Cable 6-Pin$65.95 -
Diag4 Bike - 0KL01410 - Computer To Interface Cable
DIAG4 BIKE
$6.50Diag4 Bike - 0KL01410 - Computer To Interface Cable$6.50 -
Out of stock
Diag4 Bike - AT 531 4028 - Serial Diagnostic System Can Disarm Cables
DIAG4 BIKE
$159.95Diag4 Bike - AT 531 4028 - Serial Diagnostic System Can Disarm Cables$159.95 -
Diag4 Bike - AT 521 3037 - Parallel Diagnostic System 62 Pin Breakout Box
DIAG4 BIKE
$287.95Diag4 Bike - AT 521 3037 - Parallel Diagnostic System 62 Pin Breakout BoxFeaturesParallel diagnostics are designed for measuring input and output signals from the electronic fuel injection module...$287.95 -
Diag4 Bike - AT 531 4014 - Parallel Diagnostic System 36 Pin Delphi Adapter
DIAG4 BIKE
$562.95Diag4 Bike - AT 531 4014 - Parallel Diagnostic System 36 Pin Delphi AdapterFeaturesParallel diagnostics are designed for measuring input and output signals from the electronic fuel injection module...$562.95 -
Diag4 Bike - AT 531 4064 - Parallel Diagnostic System 73 Pin Delphi Adapter
DIAG4 BIKE
$707.95Diag4 Bike - AT 531 4064 - Parallel Diagnostic System 73 Pin Delphi AdapterFeaturesParallel diagnostics are designed for measuring input and output signals from the electronic fuel injection module...$707.95 -
Diag4 Bike - AT 531 4015 - Parallel Diagnostic System 35 Pin Magnetti/Bosch Adapter
DIAG4 BIKE
$562.95Diag4 Bike - AT 531 4015 - Parallel Diagnostic System 35 Pin Magnetti/Bosch AdapterFeaturesParallel diagnostics are designed for measuring input and output signals from the electronic fuel injection...$562.95 -
Diag4 Bike - AT 531 4077 - Parallel Diagnostic System 12/4 Pin Security Adapter
DIAG4 BIKE
$235.95Diag4 Bike - AT 531 4077 - Parallel Diagnostic System 12/4 Pin Security AdapterFeaturesParallel diagnostics are designed for measuring input and output signals from the electronic fuel injection...$235.95 -
Diag4 Bike - AT 531 4078 - Parallel Diagnostic System 18/18 Pin Delphi Adapter
DIAG4 BIKE
$562.95Diag4 Bike - AT 531 4078 - Parallel Diagnostic System 18/18 Pin Delphi AdapterFeaturesParallel diagnostics are designed for measuring input and output signals from the electronic fuel injection...$562.95 -
Diag4 Bike - AT 531 4073 - Parallel Diagnostic System 36/48 Pin Bcm Adapter
DIAG4 BIKE
$543.95Diag4 Bike - AT 531 4073 - Parallel Diagnostic System 36/48 Pin Bcm AdapterFeaturesParallel diagnostics are designed for measuring input and output signals from the electronic fuel injection module...$543.95 -
Diag4 Bike - AT 535 5001 - Parallel Diagnostic System Universal Connector Kit
DIAG4 BIKE
$379.95Diag4 Bike - AT 535 5001 - Parallel Diagnostic System Universal Connector KitFeaturesUniversal connector kit includes common adapters (73 connectors) for non-destructive diagnostic operations on the...$379.95 -
Diag4 Bike - AT 531 4080 - Parallel Diagnostic System 3X18 Pin Adapter
DIAG4 BIKE
$749.95Diag4 Bike - AT 531 4080 - Parallel Diagnostic System 3X18 Pin AdapterFeaturesParallel diagnostics are designed for measuring input and output signals from the electronic fuel injection module (EFI)...$749.95 -
Diag4 Bike - AT 531 5090 - Serial Diagnostic System Software W/Usb Interface
DIAG4 BIKE
$1,413.95Diag4 Bike - AT 531 5090 - Serial Diagnostic System Software W/Usb InterfaceFeaturesProfessional diagnostic tool for Harley Davidson & Buell workshops and tuning centers. Diagnoses electronic fuel...$1,413.95 -
Diag4 Bike - AT 531 5091 - Serial Diagnostic System Software W/Bluetooth Interface
DIAG4 BIKE
$1,478.95Diag4 Bike - AT 531 5091 - Serial Diagnostic System Software W/Bluetooth InterfaceFeaturesProfessional diagnostic tool for Harley Davidson & Buell workshops and tuning centers. Diagnoses electronic...$1,478.95 -
Diag4 Bike - AT 531 4049 - Serial Diagnostic System Harley 2021+ Adapter Cable
DIAG4 BIKE
$130.95Diag4 Bike - AT 531 4049 - Serial Diagnostic System Harley 2021+ Adapter CableFeaturesUSB cable for connection to your Laptop (PC) and software compatible with Windows XP, Vista, 7, 8 and 10...$130.95 -
Diag4 Bike - AT 531 4051 - Serial Diagnostic System Repl `21 Disarm Cable
DIAG4 BIKE
$77.95Diag4 Bike - AT 531 4051 - Serial Diagnostic System Repl `21 Disarm Cable$77.95
DIAG4 BIKE Diagnostic Systems – Motorcycle ECU Service Tools & Professional Diagnostic Equipment
DIAG4 BIKE is recognized for manufacturing advanced motorcycle diagnostic systems that simplify troubleshooting and electronic service procedures. Built for professional technicians and independent repair shops, the brand provides reliable hardware and software that communicate directly with motorcycle electronic control units for accurate fault detection and system analysis. Riders and service professionals rely on DIAG4 BIKE for motorcycle diagnostic tools, motorcycle ECU diagnostics and professional motorcycle scan tools that improve maintenance efficiency and repair accuracy.
The product lineup includes motorcycle diagnostic software, USB and Bluetooth diagnostic interfaces, motorcycle diagnostic cables, adapter cables, breakout boxes, ECU communication adapters, Harley-Davidson diagnostic adapters and universal connector kits. These tools support electronic diagnostics, fault code reading, ECU communication, security system servicing and routine maintenance across compatible motorcycle platforms. They integrate naturally with motorcycle service tools, motorcycle ECU scanners, motorcycle fault code readers and professional workshop diagnostic equipment.
Designed for accurate diagnostics and dependable workshop performance, DIAG4 BIKE products help technicians identify electrical faults, access onboard systems and perform efficient electronic troubleshooting with confidence. Whether servicing modern Harley-Davidson motorcycles, updating diagnostic equipment or expanding a professional workshop, the brand delivers reliable solutions for electronic motorcycle maintenance. DIAG4 BIKE continues to be a trusted choice for Harley diagnostic tools, motorcycle diagnostic scanners and professional motorcycle diagnostic adapters.