SKU: 81-0300 | UPC: 024844343680
K&N 5/16in x 3/8in Universal Replacement In-Line Fuel Filter
The K&N 81-0300 is a universal inline fuel filter designed for 5/16 inch and 3/8 inch fuel lines in carbureted non-fuel injected engines. Its clear glass body provides instant visibility of trapped debris while the replaceable stainless steel mesh element ensures ongoing fuel system protection. This filter installs quickly without tools keeping classic cars hot rods and performance vehicles running clean.
Key Features
- Clear Glass Housing: Allows immediate inspection of debris for proactive maintenance and fuel system health
- Universal Fit: Compatible with 5/16 inch and 3/8 inch inner diameter fuel lines on most carbureted applications
- Replaceable Mesh Element: Stainless steel filter media swaps out easily reducing long-term costs
- Inline Design: Mounts anywhere in fuel line for flexible placement in engine bays
- Lightweight Build: Weighs only 0.4 lb with 1.75 inch diameter and 3.625 inch height for simple handling
Product Notes
- For carbureted engines only not compatible with fuel injected systems
- Inspect and replace mesh element based on fuel quality and usage
- Ships in protective box measuring 7.19 x 3.19 x 1.75 inches
Installation Notes
- Easy installation with no special tools or skills required.
- Cut fuel line and attach hose barb fittings using clamps secure tightly.
- Works with rubber or braided fuel lines mount vertically for best flow.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | All Carbureted | 5/16in or 3/8in Fuel Line |
Why Choose K&N?
- Decades of engineering air and fuel filtration for motorsports and street
- Stainless steel mesh withstands ethanol blends and harsh fuels
- Precise barb fittings ensure leak-free seals under pressure
Frequently Asked Questions
- Q: Does this fit my classic car fuel line?
A: Yes it fits any carbureted vehicle with 5/16 inch or 3/8 inch inner diameter fuel lines like Chevy small block Ford Windsor or Mopar classics. - Q: What material is the filter element?
A: Durable stainless steel mesh captures contaminants down to 75 microns while allowing full fuel flow. - Q: What is the warranty and install time?
A: Backed by K&N 1-year limited warranty installs in under 15 minutes with basic clamps.
Shipping &. Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Secure box 7.19in L x 3.19in W x 1.75in H
- Weight: 0.4 lb
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