SKU: 6949754636

SpeedFactory Honda/Acura D-Series Upper Coolant Fill Neck

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

Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

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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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4.4 ★★★★★
Based on 1019 reviews
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Verified Purchase
Coulton
Lowell, US
★★★★★ 5
Great deal!
Size: 8 AWG 3 ft per color, Color: Red and Black
Used it to wire up my boat for trolling motor. Heat shrinked everything and went super smooth. Great deal!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 6, 2019
C
Verified Purchase
Chuck
Battle Creek, US
★★★★★ 5
Nice quality wire
Size: 8 AWG 3 ft per color, Color: Red and Black
Very flexible with a nice jacket - appears correctly advertised gauge and pure copper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2020
M
M.R.
Belleville, US
★★★★★ 5
The Thick Red and Black Spaghetti of Power
Size: 20FT Black & 20FT Red
If electricity had highways, this would be an interstate. The cable feels substantial, the copper conductors are flexible enough to work with, and the included lugs and heat shrink tubing make installation easier. Great for batteries, inverters, solar systems, RV electrical upgrades, marine projects, and welding setups. Voltage drop stays low thanks to the heavy gauge construction, and the insulation feels durable enough for demanding environments. Overall, a solid wiring kit that inspires confidence when moving serious current.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
D
Drew
San Leandro, US
★★★★★ 5
Great cable kit.
Size: 20FT Black & 20FT Red, Size: 20FT Black & 20FT Red
Great heavy duty cable. Good thick feeling insulation that looks the real deal. Wire is soft enough to route easily without too much resistance. Appreciate it coming with the lugs and heat shrink instead of you having to source extras. Seems to be truly copper as listed. Great deal for the length if so. Worked for what I needed on my UTV.
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Reviewed in the United States on June 1, 2026
R
Rachel H.
Grantham, US
★★★★★ 5
Cheap price for the cable and terminal ends with heat shrink.
Size: 20FT Black & 20FT Red
Good 6 gauge wire, jacket seems sturdy and like it won't crack easily over time like some wire. Comes with all the connectors shown too so you don't need to find end ring connections to terminate the ends. Just need a punch or crimp tool for the terminals but if you already have that then just cut your wire length and add the ends for battery cable.
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Reviewed in the United States on May 29, 2026

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