Holley Fuel Transfer Tube O-Rings 26-37 | Old Style 2-Pack Carburetor Seals

Holley Fuel Transfer Tube O-Rings - Part #26-37

Prevent fuel leaks and maintain proper fuel delivery with these genuine Holley fuel transfer tube O-rings. Designed specifically for old-style transfer tubes, this 2-pack provides everything needed to service one carburetor. These critical seals ensure leak-free operation between the fuel bowl and metering block, maintaining optimal fuel pressure and preventing dangerous fuel leaks.

What's Included:

• 2x fuel transfer tube O-rings (complete set for one carburetor)

Key Features:

• Old-Style Design: Specifically engineered for older Holley transfer tube applications
• 2-Pack: Complete set for servicing one carburetor
• Fuel Resistant: Material withstands gasoline exposure without deterioration
• Genuine Holley Quality: OEM-grade seals for reliable performance
• Precise Fit: Exact dimensions for proper sealing
• Essential Maintenance: Critical component for leak-free fuel system operation

Performance Benefits:

• Prevents fuel leaks between fuel bowl and metering block
• Maintains proper fuel pressure in the metering system
• Ensures consistent fuel delivery for optimal performance
• Eliminates fire hazard from leaking fuel
• Restores proper seal on worn or damaged O-rings

Understanding Transfer Tube O-Rings:

• Function: Seals the fuel transfer tube where it passes through the metering block
• Old vs. New Style: Old-style tubes use these O-rings; newer designs may use different sealing methods
• Critical Seal Point: Prevents external fuel leaks and maintains fuel bowl pressure
• Wear Factor: O-rings can harden, crack, or compress over time, causing leaks
• Safety Component: Failed O-rings can cause dangerous fuel leaks near hot engine components

Compatible Applications:

• Holley carburetors with old-style fuel transfer tubes
• Vintage Holley performance carburetors
• Older 4150, 4160, and similar series carburetors
• Carburetors requiring external transfer tube sealing

When to Replace:

• During any carburetor rebuild or overhaul
• If fuel leaks are visible at the transfer tube area
• When removing metering blocks for service or jet changes
• If O-rings show signs of hardening, cracking, or compression
• As preventive maintenance during carburetor service
• Anytime transfer tubes are removed or disturbed

Installation Tips:

• Always replace O-rings when removing transfer tubes
• Ensure transfer tube and metering block surfaces are clean
• Lightly lubricate O-rings with fuel or oil before installation
• Check for proper O-ring seating before tightening metering block
• Inspect for leaks after installation and before starting engine
• Do not reuse old O-rings - always install fresh seals

Technical Specifications:

• Part Number: 26-37
• Quantity: 2 O-rings per package
• Type: Fuel transfer tube O-ring seals
• Design: Old-style transfer tube application
• Material: Fuel-resistant elastomer
• Application: Holley carburetors with old-style transfer tubes

Fast dispatch from our Perth warehouse. In-store pickup available for local customers.