Heating and Cooling› Thermostats, Housings and Fillers

Northern Radiator

SUPER SPEED DRAINCOCK1/4INNPT KNURLED KNOB W/ORING SEAL5PK

$35.69

SKU: N00H Z20405

In Stock
In Stock
Ships by Jun 16
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Northern Radiator Z20405 is a Super Speed Draincock designed for radiator applications. It features a 1/4" NPT thread size, a knurled knob for easy operation, and an O-ring seal for reliable sealing. This product is sold individually and is part of Northern Radiator's line of high-performance products for hotrods, muscle cars, and race tracks.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandNorthern Radiator
Part NumberN00H Z20405

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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