Gates 21615 Premium Molded Coolant Hose

Q: Does this have the spring inside of it?

i dont think so, the original hose has a protection that fits in the outside and looks like a spring...i am not sure about inside spring

Q: Does this hose need the spring?

Reuse the old one if you can without destroying it otherwise... Note on the "internal spring": Gates website says it's not needed and I read that the only reason the springs are there from the factory is that the coolant is installed under high pressure vacuum in the vehicle during assembly and is there to keep the hose from collapsing from that. During normal operation of this particular vehicle, there shouldn't be a need for a spring to prevent a good condition hose from collapsing as long as there is nothing else wrong in the cooling system.

Q: This is the hose underneath the radiator fill cap/next to the steering box?

Yes, the lower hose connects to the bottom of the radiator. It feeds cooler water to the engine block. The upper hose fills the radiator with hot water from the engine.

Q: Will this hose fit my 2000 jeepgrand cherkee

Well you don't give enough information to answer your question since the two different engines that came in that Jeep take different lower radiator hoses. But doing the most basic of research on Rock Auto and google shows you either need a GATES 22485 if you have the 4.7L V8, or a GATES 22483 if you have the 4.0L Inline 6.

Product ID: 8826406

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Details

Brand
Gates
Material
Epdm Synthetic
Color
Black
Item Weight
0.95 Pounds
UPC
072053059533
Manufacturer
Gates

⚡Electrochemical degradation defense

🔥Heat & chemical resistant EPDM cover

🛡️Vacuum-resistant durability

Frequently Bought Together

Description

🚗 Upgrade your ride with the hose that never quits!

ELECTROCHEMICAL SHIELD - Advanced resistance to electrochemical degradation—the #1 cause of hose failure—keeps your engine running smoothly.
PREMIUM MATERIAL BLEND - Crafted with EPDM tube and synthetic fiber knit reinforcement for superior heat, ozone, and chemical resistance.
PERFECT FIT ZERO LEAKS - Pre-shaped design guarantees a seamless, OEM-quality fit for upper, lower, bypass, and heater coolant applications.
ENGINEERED FOR ENDURANCE - Specifically designed materials resist collapse under vacuum, ensuring long-lasting performance.
TRUSTED INDUSTRY STANDARD - Meets SAE 20R4 Class D2 and DIN 73411 Class A specs, delivering professional-grade reliability.

The Gates 21615 Premium Molded Coolant Hose combines advanced EPDM and synthetic fiber materials engineered to resist vacuum collapse and electrochemical degradation. Pre-shaped for a perfect OEM fit, it meets rigorous SAE and DIN standards, ensuring durable, leak-free coolant flow for multiple vehicle applications.

Specifications

Brand	Gates
Material	Epdm,Synthetic Fiber
Color	Black
Item Weight	0.95 Pounds
UPC	072053059533
Manufacturer	Gates
Global Trade Identification Number	00072053059533
Model	Premium Molded Coolant Hose
Item Weight	15.2 ounces
Item model number	21615
Exterior	Machined
Manufacturer Part Number	21615
OEM Part Number	52003802, 52006301, 8952002096, 8952003237, 8952003802

Have a Question? See What Others Asked

Does this have the spring inside of it?

Does this hose need the spring?

This is the hose underneath the radiator fill cap/next to the steering box?

Will this hose fit my 2000 jeepgrand cherkee

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