Skip to content
  • Golf Cart Parts and Accessories
    • Accelerator and Brake
      • Accelerator Parts
      • Brake Cables
      • Brake Parts
    • Electric Power Parts
      • Battery Accessories
      • Charger and Charger Parts
      • Controllers
      • Solenoids
      • Switches
    • Enclosures and Covers
      • Enclosures
      • Storage Covers
    • Exterior
      • Bodies and Cowls
      • Brush Guards/Bars
      • Cargo Boxes
      • Coolers
      • Decals and Graphics
      • Fender and Fender Flares
      • Golf Accessories
      • Message Holders
      • Racks and Holders
      • Winch Mounts
    • Gas Power Parts
      • Carburetors
      • Engine & Engine Parts
      • Exhaust
      • Filters
      • Fuel System
      • Ignition
      • Intake
      • Starter Generator
      • Tune-up Kits
    • Hardware/Maintenance
    • Interior
      • Audio
      • Dash
      • Fans
      • Floor Mats
      • Heaters
      • Horns
      • Meters
      • Mirrors
    • Lift Kits
    • Lighting
      • Converters/Reducers
      • Headlights
      • Light kits
      • Other Lighting
      • Taillights
      • Wiring Harnesses
    • Seating
      • Premium Seat Cushions and Covers
      • Seat Assembly Replacement
      • Seat Belts
      • Seat Kits
    • Steering
      • Lower Steering Components
      • Steering Assemblies
      • Steering Wheel
      • Tie Rods/Assemblies
    • Suspension
      • Shocks and Springs
      • Rear Leaf Springs and Parts
    • Tires and Wheels
      • Golf Cart Wheel Covers
      • Tire & Wheel Accessories
      • Tire & Wheels
    • Transmission and Drive Train
      • Axles
      • Clutch
      • Differential and Transmission
      • Gears
    • Windshields and Tops
      • Tops
      • Windshields
  • Turf Parts and Accessories
    • Batteries
    • Bearings & Bushings
    • Belts and Chains
    • Blades
    • Brake System Parts
    • Cameras and Systems
    • Drivetrain Parts
    • Electrical Parts
    • Engine Parts
    • Filters
    • Fluids and Lubricants
    • Hardware
    • Light and Accessories
    • Motors, Pumps, Compressors
    • Operator Station
      • Cab Accessories
      • Controls and Levers
      • Seats and Cushions
    • Seals, Gaskets & O-Rings
    • Suspension System Parts
    • Wheels, Tires & Tracks
  • Batteries and Accessories
    • Batteries
    • Battery Watering Technologies
    • Flow-Rite
  • Shop By Brand
  • Contact Us
  • About Us
  • FAQ
Rainier Parts
Login

Your cart is empty

Continue shopping
0Cart($0.00)
  • Golf Cart Parts and Accessories
    • Accelerator and Brake
      • Accelerator Parts
      • Brake Cables
      • Brake Parts
    • Electric Power Parts
      • Battery Accessories
      • Charger and Charger Parts
      • Controllers
      • Solenoids
      • Switches
    • Enclosures and Covers
      • Enclosures
      • Storage Covers
    • Exterior
      • Bodies and Cowls
      • Brush Guards/Bars
      • Cargo Boxes
      • Coolers
      • Decals and Graphics
      • Fender and Fender Flares
      • Golf Accessories
      • Message Holders
      • Racks and Holders
      • Winch Mounts
    • Gas Power Parts
      • Carburetors
      • Engine & Engine Parts
      • Exhaust
      • Filters
      • Fuel System
      • Ignition
      • Intake
      • Starter Generator
      • Tune-up Kits
    • Hardware/Maintenance
    • Interior
      • Audio
      • Dash
      • Fans
      • Floor Mats
      • Heaters
      • Horns
      • Meters
      • Mirrors
    • Lift Kits
    • Lighting
      • Converters/Reducers
      • Headlights
      • Light kits
      • Other Lighting
      • Taillights
      • Wiring Harnesses
    • Seating
      • Premium Seat Cushions and Covers
      • Seat Assembly Replacement
      • Seat Belts
      • Seat Kits
    • Steering
      • Lower Steering Components
      • Steering Assemblies
      • Steering Wheel
      • Tie Rods/Assemblies
    • Suspension
      • Shocks and Springs
      • Rear Leaf Springs and Parts
    • Tires and Wheels
      • Golf Cart Wheel Covers
      • Tire & Wheel Accessories
      • Tire & Wheels
    • Transmission and Drive Train
      • Axles
      • Clutch
      • Differential and Transmission
      • Gears
    • Windshields and Tops
      • Tops
      • Windshields
  • Turf Parts and Accessories
    • Batteries
    • Bearings & Bushings
    • Belts and Chains
    • Blades
    • Brake System Parts
    • Cameras and Systems
    • Drivetrain Parts
    • Electrical Parts
    • Engine Parts
    • Filters
    • Fluids and Lubricants
    • Hardware
    • Light and Accessories
    • Motors, Pumps, Compressors
    • Operator Station
      • Cab Accessories
      • Controls and Levers
      • Seats and Cushions
    • Seals, Gaskets & O-Rings
    • Suspension System Parts
    • Wheels, Tires & Tracks
  • Batteries and Accessories
    • Batteries
    • Battery Watering Technologies
    • Flow-Rite
  • Shop By Brand
  • Contact Us
  • About Us
  • FAQ
Home E-Z-GO OEM 664863 SVC Harness KEFI-KIT Diagnostic Kit For Golf Carts Professional Service
E-Z-GOSKU: 7331798

E-Z-GO OEM 664863 SVC Harness KEFI-KIT Diagnostic Kit For Golf Carts Professional Service

$994.00 /
Shipping calculated at checkout.
E-Z-GO OEM 664863 SVC Harness KEFI-KIT Diagnostic Kit For Golf Carts Professional Service
$994.00 /
 
 

Introducing the E-Z-GO 664863 SVC-HARNESS KEFI-KIT—an OEM diagnostic harness built for professional service. This EZ-GO KEFI-KIT delivers fast, precise fault detection across sensors, controllers, wiring harnesses, and power connections to streamline repairs.

  • Plug-and-Play: Quick, tool-free installation with clearly routed wiring paths and durable connectors to minimize setup time on the bench or in the field.
  • OEM-Grade: Genuine EZ-GO harness (not an aftermarket replacement) for seamless compatibility and long-term reliability.
  • All-in-One: Consolidates essential wiring and harness components for efficient diagnostics and streamlined troubleshooting workflows.
  • Comprehensive: Enables precise fault detection across sensors, controllers, wiring harnesses, and power connections to speed repairs.
  • Rugged: Durable construction designed to withstand workshop and field-service conditions for lasting performance.

Fitment data below shows exact EZ-GO model compatibility for the KEFI-KIT diagnostic harness.

Year EZ-GO Model / Description
— Fitment data for part 664863 KEFI-KIT to be confirmed from official Country Cat listing. Please refer to the product listing for exact model coverage and compatibility.
Payment & Security
Amazon
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Related categories E-Z-GO
About this product

Each component undergoes rigorous testing and inspection to ensure it meets our stringent quality standards, guaranteeing reliability, durability, and excellence.

Our Policy
  • Privacy Policy
  • Terms of Service
  • Shipping Policy
  • Return & Refund Policy
  • Payment Policy
Help & Support
  • About Us
  • FAQ
  • Contact Us
Info

Our customer service is available Monday to Friday: 7:30 AM – 4:00 PM (PST). If you have a problem, please contact us; we answer within 24 hours.

Phone: +1 503-898-0633
Email: ecommerce@rainierparts.com
Address: 1951 Schurman Way, Woodland, WA 98674, United States

Amazon
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa
Elo
JCB

© 2026 Rainier Parts, All rights reserved. Powered by Shopify