1999 GMC W4500 Forward Engine Cooling Hoses

Keep Your 1999 GMC W4500 Forward in Top Shape with a Quality Engine Cooling Hose

When it comes to maintaining or upgrading your 1999 GMC W4500 Forward, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Engine Cooling Hose for your W4500 Forward. We currently carry a top Engine Cooling Hose in stock that is built to last. Whether you’re replacing a damaged Engine Cooling Hose or looking to upgrade, our selection for the 1999 GMC W4500 Forward ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Belt Tensioners and Pulleys to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 1999 GMC W4500 Forward running smoothly and looking great.

Essential 1999 GMC W4500 Forward Engine Cooling Hoses

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 16" Long, 1.28" Diameter (Part No.E72193)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 16" Long, 1.28" Diameter

from

$34.99
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:
  • 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
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Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25474)

Vulco-Flex II Flexible Coolant Hose

from

$28.49
Gates Vulco-Flex(R) II hose will bend in almost any direction. It easily replicates the angles and planes of a wide variety of expensive original equipment coolant hose, for quick, easy replacement.

Product Features:
  • Improved sealing surface for increased leak resistance
  • Their great flexibility makes installation easy
  • Maximum vehicle coverage with minimal inventory
  • Resistant to heat, oil and ozone
  • Rated for SAE 20R5 Class D-2 performance
  • Temperature Range: up to +257 Deg. F (+125 Deg. C)
  • Note: Gates recommends replacing clamps and connectors each time a new cooling hose is installed.
  • Caution: Do not use for fuel or oil transfer applications
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.44" Diameter (Part No.E72041)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.44" Diameter

from

$23.99
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:
  • 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
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Gates – Molded Heater Hose: EPDM, Direct Fit, 1.5" Inside Diameter (Part No.22041)

Molded Heater Hose: EPDM, Direct Fit, 1.5" Inside Diameter

from

$121.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • Heat and ozone resistant cover.
  • Engineered to resist electrochemical degradation – the leading cause of hose failure.
  • Re-engineered materials resist vacuum collapse. This reduces the need for internal springs in many applications.
  • Meets SAE 20R4 and 20R3 Type EC Class D-1 and D-2 specifications.
  • Temperature Rating: -40° F to 275° F (-40° C to 135° C) in coolant hose applications.
  • Note: Gates recommends replacing standard worm drive and spring loaded clamps with Gates PowerGrip(R) SB Clamps each time a new coolant hose is installed.
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Most Popular Lower Radiator Hose for 1999 GMC W4500 Forwards

Enhance your 1999 GMC W4500 Forward with this popular Lower Radiator Hose we have in stock, for $23.99.

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.44" Diameter (Part No.E72041)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.44" Diameter

from

$23.99
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:
  • 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
See More

FAQs for 1999 GMC W4500 Forward Engine Cooling Hoses

What’s the price range for 1999 GMC W4500 Forward Engine Cooling Hoses?

We currently have just one Engine Cooling Hoses for the 1999 GMC W4500 Forward in stock: Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.44" Diameter and it costs $23.99.

Does Advance Auto Parts sell Engine Cooling Hoses for other GMC W4500 Forward model years?

Yes, we carry Engine Cooling Hoses for 11 model years of GMC W4500 Forwards between 1992 and 2007. The following model years are the most popular for Engine Cooling Hose purchases: 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, and 1996.

Does Advance Auto Parts sell Engine Cooling Hoses for any other 1999 GMC models?

What types of Engine Cooling Hoses do you sell for my 1999 GMC W4500 Forward?

We currently have just 1 Engine Cooling Hose in stock for a 1999 GMC W4500 Forward, and as of 11/2/25, it is a Lower Radiator Hose.

Can I get help with 1999 GMC W4500 Forward 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 GMC Engine Cooling Hoses and more.

What is your return policy for GMC W4500 Forward Engine Cooling Hoses?

Advance Auto Parts keeps returns simple. For new GMC W4500 Forward Engine Cooling Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.