Earl's

Earl's WATER NECKS

Part # 166015ERL Be the first to write a review

Radiator Filler Necks, 1.5" Opening

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Est. Ship Date: 12/31/2026

$56.85

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These Earl's Performance radiator filler necks are CNC-machined and are ready for welding. They come with a 1/4 in. barb overflow fitting attached Recommended Radiator Caps: Stant Racing # 10381, or 10382 (Lever Style) Stant Racing # 10391, 10392, 10393, or 10394 (w/o Lever) Mr Gasket # 2481 or Domestic ThermoCap

Features:

1.5" opening

About Earl's

Shop Earl's performance plumbing products at Holley, including AN fittings, hose, hose ends, adapters, fuel system components, oil coolers, valves, and installation tools.

Adapter Type	Radiator Filler Neck
Brand	Earl's
Category	Plumbing AN Fittings and Hose
Component Type	Radiator Filler Neck
Emission Code	5
Finish	Natural
Material	6061-T6 Aluminum
Part Type	Radiator
Product Type	Fuel System Components
Style	Weld-on
Warranty	Manufacturer’s Limited 90 Day Warranty
UPC	021432271011
Part Number	166015ERL

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Manufacturer’s Limited 90 Day Warranty: See Details

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*Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.

Earl's WATER NECKS

Earl's WATER NECKS

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