2003 Infiniti Q45 Engine Cooling Hoses
Keep Your 2003 Infiniti Q45 in Top Shape with Quality Engine Cooling Hoses
Whether you’re repairing or upgrading your Engine Cooling Hose, using high-quality parts is key to keeping your 2003 Infiniti Q45 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Upper Radiator Hoses. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Engine Cooling Hoses from Trusted Brands
Looking for a reliable Engine Cooling Hose? We’ve got you covered with options from brands you know and trust like Dayco. For example, Dayco Engine Cooling Hoses start at just $24.99 with an average 4.5 star rating. With over 1 reviews and a solid 4 star average, you can shop with confidence knowing other Infiniti Q45 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2003 Infiniti Q45 Engine Cooling Hose at Advance Auto Parts is around $31.24, with a range that starts at $24.99 and goes up to $37.49. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Premium Molded Coolant Hose start at just $37.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Cooling Hose, don’t forget to check out other key components like Belt Tensioners and Pulleys. At Advance Auto Parts, we’re here to help you keep your 2003 Infiniti Q45 in peak condition, inside and out.
Find Your Specific 2003 Infiniti Q45 Engine Cooling Hoses
Looking for the perfect Engine Cooling Hose for your 2003 Infiniti Q45? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Hoses that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Hoses, ensuring durability and a precise fit for your Infiniti Q45. Whether you’re driving a 2003 model or another popular model year like
1997,
1998,
1999,
2000,
2001,
2002,
2004,
2005, and
2006, we’ve got you covered. Purchasing Engine Cooling Hoses from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Cooling Hoses that fit your vehicle.
Essential 2003 Infiniti Q45 Engine Cooling Hoses
Dayco – Straight Radiator Hoses; EPDM Rubber, 1 1/4 Inch Inner Diameter (sold by inch) (Part No.76125)
from
$0.99
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy-duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.
Product Features:
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Product Features:
- Meets SAE J20R4, Class D-2 requirements.
- Features a high strength knitted reinforcement and synthetic EPDM rubber construction
- Resistant to standard coolants, ozone and other detrimental environmental elements
Gates – Premium Molded Coolant Hose (Part No.22973)
from
$37.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
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Product Features:
- Specifically designed materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-formed for a good fit and to ensure perfectly sealed connections
- EPDM tube; knitted synthetic fiber reinforcement; EPDM lid resistant to heat, ozone and chemical refrigerants
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11" Long, 1.25" Diameter (Part No.B70846)
from
$24.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
Product Features:
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Product Features:
- Meets SAE J20R4, Class D-1 requirements
- Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
- Provides excellent protection against external elements
Gates – Premium Molded Coolant Hose (Part No.21942)
from
$19.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
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Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM tube: synthetic fiber knit reinforcement: heat-, ozone- and chemical coolant-resistant EPDM cover
- Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
- Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Dayco – Flex Radiator Hoses; EPDM Rubber, 14.75 Inch Long, 1.25 Inch Inner Dia. (Part No.81041)
from
$14.99
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
Product Features:
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Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
- This hose is designed to prevent splitting, ballooning, and elongation
Popular 2003 Infiniti Q45 Engine Cooling Hoses Categories
Most Popular Upper Radiator Hoses for 2003 Infiniti Q45s
Enhance your 2003 Infiniti Q45 with one of the 2 Upper Radiator Hoses we have in stock, starting at just $24.99.
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11" Long, 1.25" Diameter (Part No.B70846)
from
$24.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.
Product Features:
See More
Product Features:
- Meets SAE J20R4, Class D-1 requirements
- Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
- Provides excellent protection against external elements
Gates – Premium Molded Coolant Hose (Part No.22973)
from
$37.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically designed materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-formed for a good fit and to ensure perfectly sealed connections
- EPDM tube; knitted synthetic fiber reinforcement; EPDM lid resistant to heat, ozone and chemical refrigerants
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Top-Rated Engine Cooling Hose Brands For Your 2003 Infiniti Q45
When it comes to finding the perfect Engine Cooling Hose for your 2003 Infiniti Q45, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Engine Cooling Hose brands including Dayco, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $24.99. Purchasing a Engine Cooling Hose from us here at Advance Auto Parts is a smart move for both you and your 2003 Infiniti Q45, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dayco 2003 Infiniti Q45 Engine Cooling Hoses
If you’re looking for a top-quality Engine Cooling Hose for your 2003 Infiniti Q45, Advance Auto Parts has exactly what you need with our selection of Dayco Engine Cooling Hoses. We have 1 Dayco Engine Cooling Hoses in stock for this fitment, all known for their durability and precision fit. With prices starting at just $24.99, you’ll find the perfect Engine Cooling Hose for your needs and budget. Dayco Engine Cooling Hoses for the 2003 Infiniti Q45 come highly rated, with over 1 customer reviews and an impressive average rating of 4.5 stars. Choosing a Dayco Engine Cooling Hose from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$24.99
(1)
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11" Long, 1.25" Diameter
“Exact to oem”
FAQs for 2003 Infiniti Q45 Engine Cooling Hoses
What are the best-selling Engine Cooling Hoses for 2003 Infiniti Q45s?
Out of 2 Engine Cooling Hoses that fit 2003 Infiniti Q45s, the following parts are the top sellers:
- Premium Molded Coolant Hose (10520875) – $37.49
What’s the price range for 2003 Infiniti Q45 Engine Cooling Hoses?
The prices of Engine Cooling Hoses for the 2003 Infiniti Q45 range from $24.99 up to $37.49 for the most premium parts.
What is the average price of an Engine Cooling Hose for a 2003 Infiniti Q45?
The average price for Engine Cooling Hoses for the 2003 Infiniti Q45 is $31.24. Keep in mind the variety of part types within our Engine Cooling Hose category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Cooling Hoses for other Infiniti Q45 model years?
What are the cheapest Engine Cooling Hoses for my 2003 Infiniti Q45?
The cheapest 2003 Infiniti Q45 Engine Cooling Hoses we carry are:
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11" Long, 1.25" Diameter (5197163) – $24.99
- Premium Molded Coolant Hose (10520875) – $37.49
Does Advance Auto Parts sell Engine Cooling Hoses for any other 2003 Infiniti models?
Yes. We stock Engine Cooling Hoses for 5 other popular 2003 Infiniti models. Some of the most popular are 2003 G35 Engine Cooling Hoses, 2003 FX35 Engine Cooling Hoses, 2003 I35 Engine Cooling Hoses, 2003 M45 Engine Cooling Hoses, and 2003 QX4 Engine Cooling Hoses.
What are the top-rated Engine Cooling Hoses that fit the 2003 Infiniti Q45?
The one 2003 Infiniti Q45 Engine Cooling Hose we have in stock is the Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11" Long, 1.25" Diameter. It is rated 4 stars and costs $24.99.
What types of Engine Cooling Hoses do you sell for my 2003 Infiniti Q45?
We currently have just 1 Engine Cooling Hose in stock for a 2003 Infiniti Q45, and as of 11/2/25, it is an Upper Radiator Hose.
Can I get help with 2003 Infiniti Q45 Engine Cooling Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Infiniti Engine Cooling Hoses and more.
What is your return policy for Infiniti Q45 Engine Cooling Hoses?
Advance Auto Parts keeps returns simple. For new Infiniti Q45 Engine Cooling Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.