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Dayco 81421 Flexible Radiator Hose 2 Inch x 12.25 Inch EPDM

(Ford F-250 1965-66, F-350 1965-66, F-100 1965-66, F-250 Pickup 1965-66, Fairlane 1957-59, F-350 Pickup 1965-66, Galaxie 1959 + 34 more models)

Part of: Dayco Flexible Radiator Hose

Other options in this family: Dayco 81491 Dayco 81351 Dayco 81271 Dayco 81181 Dayco 81261

Manufacturer

Picture for manufacturer Dayco

Part Number

81421
9 reviews
Sale Price

$16.23

In Stock (7)

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Usually delivered within 2 days

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Product Details

The Dayco 81421 flexible radiator hose is a precision-engineered cooling system component designed to replace straight or molded radiator hoses in a wide variety of applications. This versatile hose features a corrugated design with knitted reinforcement and synthetic EPDM construction combined with an inserted helical steel coil spring for superior durability and flexibility.

Key Features:

  • 2-inch inside diameter x 12.25-inch length in standard configuration
  • Synthetic EPDM rubber construction with knitted reinforcement meets SAE J20R4 Class D-2 requirements
  • Precision corrugations provide excellent flexibility without flattening or collapsing under vacuum
  • Internal helical steel coil spring maintains full coolant flow and prevents hose collapse
  • Resists splitting, ballooning, and elongation for long-lasting performance
  • Excellent resistance to ozone, coolants, and other environmental elements
  • Temperature range: -40°F to +257°F (-40°C to +125°C)
  • Black EPDM exterior for durability and appearance

This flexible radiator hose is ideal for applications where molded hoses are unavailable or where custom routing is required. The corrugated design allows the hose to bend and conform to tight spaces while maintaining full flow capacity. Perfect for engine swaps, custom builds, or as a universal replacement for damaged or deteriorated radiator hoses.

Important Note: This hose is designed specifically for coolant applications and is NOT suitable for fuel or oil transfer.

Products specifications

Fits

Ford F-250 1965-66, F-350 1965-66, F-100 1965-66, F-250 Pickup 1965-66, Fairlane 1957-59, F-350 Pickup 1965-66, Galaxie 1959, F100 Pickup 1965-66, Custom 1957, Country Sedan 1957-59, Ranch Wagon 1957-59, Country Squire 1957-59 + 29 more models

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Awsome service and prices,Thanks alot

By far the best price, easy ordering, and fast service, what else is there?

The ordering was easy and recieved the product the next day.Excellent company.

Thank you for the quick turnaround from order to shipping the products I ordered

Great place to shop online. The best price on the internet and super fast delivery. Shop with Autoplicity, highly recommended.

The lowest price on the web.<br>Shipped same day.

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