Dayco 73046 Radiator Coolant Hose - Lower

Brand	Dayco 73046
Position	Lower
Material	Epdm
Color	Black
End 1 Inside Diameter	1 7/16
End 2 Inside Diameter	1 7/16
Contains Heat Shield	N
Contains Protective Sleeve	Y
End 1 Outside Diameter	1 27/32
End 2 Outside Diameter	1 27/32
Hose Type	Single i.d. hose
SAE Specification	Sae j20r4 class d-1, sae j1684 type ec
Trunk Height	22 1/2
Product line	Curved Radiator Hose
Fits	Jeep · 7 vehicles

Curved hose design. Helps route coolant smoothly with a cleaner, more direct fit.

EPDM construction. Resists heat and coolant exposure for dependable service.

Protective sleeve included. Adds extra abrasion resistance where the hose needs it most.

$48.84Free shipping

In stock · usually ships same day before 1pm CST

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Not what you need? See all Radiator Coolant Hose options

Dayco Curved Radiator Hose for Jeep Cooling Systems

The Dayco 73046 is a curved radiator coolant hose built for lower cooling-system routing on select Jeep applications. It uses EPDM construction with a black finish and a protective sleeve to help manage underhood exposure in demanding engine bay conditions.

Key Features

EPDM rubber construction for coolant hose service
Curved radiator hose design for lower hose routing
Single I.D. hose with 1 7/16 in. inside diameter at both ends
Black exterior with protective sleeve included
Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
Dayco part number 73046 for direct catalog lookup

Product Details

Dayco 73046 is part of the Curved Radiator Hose line, a product line focused on formed coolant hoses that match the routing and shape required in specific vehicle cooling systems. This hose is engineered as a lower radiator coolant hose with matching end diameters and a curved profile to follow the factory-style path in the engine bay. It is compatible with 2012-2017 Jeep Wrangler, lower, and 2018 Jeep Wrangler JK, lower. The Dayco 73046 designation is useful when cross-checking catalog listings for Jeep Wrangler cooling system service.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Hose Can Address

Cracked or hardened lower radiator hose material
Coolant seepage at the hose ends
Improper hose routing from a previous replacement
Heat-related wear in the engine compartment
Loss of cooling-system integrity from an aging hose

Installation Notes and Tips

Verify the hose shape, end diameters, and lower-position routing before installation. Inspect the mating necks, clamps, and surrounding cooling-system components for wear or corrosion, and confirm the hose follows the original path without kinks or twist. For fitment reference, this hose fits 2012-2017 Jeep Wrangler, lower, and 2018 Jeep Wrangler JK, lower.

Quality Assurance

This Dayco radiator coolant hose is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC standards, supporting specification-based replacement selection for Jeep Wrangler cooling service. Part number 73046 is the catalog reference for this hose.

This part fits 7 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
2018	Jeep	Wrangler JK	Lower	Curved Radiator Hose
2017	Jeep	Wrangler	Lower	Curved Radiator Hose
2016	Jeep	Wrangler	Lower	Curved Radiator Hose
2015	Jeep	Wrangler	Lower	Curved Radiator Hose
2014	Jeep	Wrangler	Lower	Curved Radiator Hose
2013	Jeep	Wrangler	Lower	Curved Radiator Hose
2012	Jeep	Wrangler	Lower	Curved Radiator Hose
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