Dayco 72998 Radiator Coolant Hose - Upper

Brand	Dayco 72998
Position	Upper
Material	Epdm
Color	Black
End 1 Inside Diameter	1 1/2
End 2 Inside Diameter	1 1/2
Contains Heat Shield	N
Contains Protective Sleeve	Y
End 1 Outside Diameter	1 7/8
End 2 Outside Diameter	1 7/8
Hose Type	Single i.d. hose
SAE Specification	Sae j20r4 class d-1, sae j1684 type ec
Trunk Height	24 1/2
Product line	Curved Radiator Hose
Fits	Ram · 9 vehicles

Curved hose design. Helps route coolant smoothly with a cleaner, more natural bend.

EPDM construction. Delivers dependable flexibility and resistance to heat and coolant exposure.

Protective sleeve included. Adds an extra layer of abrasion protection where the hose needs it.

$45.77Free shipping

In stock · usually ships same day before 1pm CST

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Curved Upper Radiator Hose for Ram Trucks

Dayco 72998 is a curved upper radiator coolant hose built for select Ram truck applications. It uses EPDM construction with a black finish and a protective sleeve to help manage underhood exposure in the cooling system.

Key Features

EPDM rubber construction for radiator coolant service
Curved hose profile for upper cooling system routing
Single I.D. hose with 1 1/2 in. inside diameter at both ends
1 7/8 in. outside diameter at both ends
Protective sleeve included; no heat shield
Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications

Product Details

Dayco Curved Radiator Hose 72998 is a direct-fit upper radiator hose for Ram 1500 Classic models from 2019-2021 and Ram 1500 models from 2013-2018. The curved shape supports the factory hose path, while the EPDM material is suited for coolant transfer in the engine bay. For buyers searching for a Ram 1500 upper radiator hose or a Ram 1500 Classic curved radiator hose, this part number 72998 matches the listed applications.

The Dayco curved radiator hose line focuses on replacement hoses that follow OE-style routing and dimensional requirements. Part number 72998 is specified with a protective sleeve and standard SAE cooling-system ratings, making it a practical choice for Ram 1500 and Ram 1500 Classic upper hose replacement service.

Common Problems This Hose Can Address

Cracked or split upper radiator hose
Coolant seepage at the hose connection points
Softening or swelling from heat and age
Restricted coolant flow caused by hose deterioration
Incorrect hose routing after prior cooling system repair

Installation Notes and Tips

Verify the vehicle year, model, and upper hose routing before installation. Inspect the radiator neck and engine-side connection surfaces for corrosion, residue, or damage before transferring the hose. Confirm clamp condition and hose seating depth during installation to help maintain a secure coolant seal.

Quality Assurance

Dayco 72998 is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC standards for radiator hose service. It is a cooling-system replacement part for Ram 1500 and Ram 1500 Classic applications listed above.

This part fits 9 vehicles

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

Year	Make	Model	Liters	Cylinders	Position	Notes
2021	Ram	1500 Classic	3.6L	V6	Upper	Curved Radiator Hose
2020	Ram	1500 Classic	3.6L	V6	Upper	Curved Radiator Hose
2019	Ram	1500 Classic	3.6L	V6	Upper	Curved Radiator Hose
2018	Ram	1500	3.6L	V6	Upper	Curved Radiator Hose
2017	Ram	1500	3.6L	V6	Upper	Curved Radiator Hose
2016	Ram	1500	3.6L	V6	Upper	Curved Radiator Hose
2015	Ram	1500	3.6L	V6	Upper	Curved Radiator Hose
2014	Ram	1500	3.6L	V6	Upper	Curved Radiator Hose
2013	Ram	1500	3.6L	V6	Upper	Curved Radiator Hose
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