SKU: 6949754636

SpeedFactory Honda/Acura D-Series Upper Coolant Fill Neck

Sale price$162.49 Regular price$180.54
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

SpeedFactory Honda/Acura D-Series Upper Coolant Fill NeckWhether you have a custom radiator or a SpeedFactory Race Tucked radiator, you need a proper way to fill your engine's cooling system from the highest point and we have the solution. SpeedFactory Racing D Series Upper Coolant Fill Necks are compatible with most aftermarket radiator setups, and change the high point of your cooling system for easy filling and system air bleeding. Our necks are manufactured in house using high quality aluminum materials

Whether you have a custom radiator or a SpeedFactory Race/Tucked radiator, you need a proper way to fill your engine's cooling system from the highest point- and we have the solution.

SpeedFactory Racing D-Series Upper Coolant Fill Necks are compatible with most aftermarket radiator setups, and change the high point of your cooling system for easy filling and system air bleeding. Our necks are manufactured in-house using high quality aluminum materials and feature laser-cut head flanges to ensure a perfect fit every time.

SpeedFactory Racing D-Series Upper Coolant Fill Necks are available in -16AN or 32mm (standard hose end) configurations.

Fits D16 engines.

**Note** The OEM Upper Coolant Neck flange bolts are NOT compatible with this fill neck. We recommend M6 x 1.0 x 16mm button head socket cap screws.

This fill neck requires a TYPE A Style Radiator Cap (Sold Separately)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6949754636

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4.6 ★★★★★
Based on 23 reviews
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A
Verified Purchase
Amazon Customer
Phoenix, US
★★★★★ 4
Nice
Size: CB-M03H
Could be a bigger one
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2026
E
Verified Purchase
Eric
Boise, US
★★★★★ 5
These hog out the hole nicely
Size: CB-M03H
These hog out the hole nicely
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
M
Verified Purchase
Michael R.
Carnegie, US
★★★★★ 5
Very nice product.
Size: CB-003
Haven’t needed to use it yet, but it is definitely a quality product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 1, 2025
M
Verified Purchase
M. M. C.
New York, US
★★★★★ 5
It works
Size: CB-M03H
I use it on a power tool as regular drill bits seem to not work to well with the plugs. They leak air. Doing it by hand is to hard
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Reviewed in the United States on June 20, 2025
K
Verified Purchase
Kirk T.
Waukegan, US
★★★★★ 1
Doesn’t Cut Steel Belts in Tires
Size: CB-M03H
Doesn’t cut steel belts in tires to facilitate repair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2025

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