Harddrive 3/8 NPT Straight Down Petcock - Harley Big Twin & Sportster
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
This Harddrive petcock is engineered to provide consistent fuel flow for your Harley-Davidson or Indian Motorcycle. Its polished and chrome-plated finish not only looks sharp but also ensures durability under various riding conditions.
Why riders pick this
- Polished chrome finish for durability and style
- Maximizes fuel flow in main and reserve settings
- 22mm metric thread for wide Harley-Davidson fitment
- 3/8 NPT straight-down outlet for clean fuel line routing
Designed for optimal fuel management, this Harddrive petcock ensures your V-twin gets the consistent fuel supply it needs in both main and reserve modes. The 22mm metric thread is a common fitment across a wide range of Harley-Davidson and custom tanks, making it a versatile choice for riders looking to replace or upgrade their fuel valve.
Optimized Fuel Delivery
- Highly polished and chrome-plated for a premium look and corrosion resistance
- Engineered for maximum fuel flow in both main and reserve settings
- 22mm metric thread ensures broad compatibility with Harley-Davidson Big Twin and Sportster models
- 3/8 NPT straight-down outlet provides clean routing for your fuel line
Installation and Fitment
This petcock is a straightforward replacement for many factory units on 1975-present Harley-Davidson Big Twin and Sportster models. It also works well with most custom fuel tanks that feature a 22mm metric petcock bung. Always verify your tank's thread size and confirm that a straight-down spigot orientation suits your fuel line setup before purchasing.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 011409
- Outlet: 3/8 NPT straight down
- Thread Size: 22mm metric
- UPC: 191361143991
- Weight: 0.586 lbs
- Country of Origin: China (Taiwan)
Common questions
Will this petcock fit my Harley-Davidson Big Twin or Sportster?
Yes, this petcock features a 22mm metric thread, which is compatible with 1975-present Harley-Davidson Big Twin and Sportster models, as well as most custom fuel tanks using the same thread.
What does the '3/8 NPT straight-down outlet' mean for my fuel line?
The 3/8 NPT straight-down outlet indicates that the fuel line connection is a 3/8-inch National Pipe Thread fitting that points directly downwards, allowing for specific fuel line routing setups.
Is this petcock suitable for custom fuel tanks?
Yes, if your custom fuel tank has a 22mm metric petcock boss, this Harddrive petcock is designed to fit. Always confirm your tank's thread size and desired spigot orientation before ordering.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Harddrive |
| TYPE | Intake/Carb/Fuel System |
| SKU | 820-52254 |
| WEIGHT | 0.59 lb |
