20 Best 5.3 Heater Hose Routing in 2023 Reviews and Buying Guide

1,732 Reviews Scanned

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1 Dorman 800-414CD Heater Hose Connector Compatible with Select Cadillac / Chevrolet / GMC Models Dorman 800-414CD Heater Hose Connector Compatible with Select Cadillac / Chevrolet / GMC Models No ratings yet
2 Dorman 800-409 Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose Compatible with Select... Dorman 800-409 Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose Compatible with Select... No ratings yet
3 Gates 22554 Premium Modular Coolant Hose Gates 22554 Premium Modular Coolant Hose No ratings yet
4 NOVINO Engine Lower Heater Outlet Hose 15834773,Lower Radiator Heater Hose for 00-14 GM Chevy... NOVINO Engine Lower Heater Outlet Hose 15834773,Lower Radiator Heater Hose for 00-14 GM Chevy... No ratings yet
5 ACDelco Professional 18221L Molded Branched Heater Hose ACDelco Professional 18221L Molded Branched Heater Hose
6 15145587 Lower Heater Hose Assembly, HVAC Heater Hose Assembly 15145587 Engine Heater Hose Assembly... 15145587 Lower Heater Hose Assembly, HVAC Heater Hose Assembly 15145587 Engine Heater Hose... No ratings yet
7 Radiator Hose Heater Pipe Replace 18221L 88920846 5.3 6.0 6.2 for Chevrolet Silverado Suburban Tahoe... Radiator Hose Heater Pipe Replace 18221L 88920846 5.3 6.0 6.2 for Chevrolet Silverado Suburban...
8 Dorman 800-413CD Heater Hose Connector Compatible with Select Cadillac / Chevrolet / GMC Models Dorman 800-413CD Heater Hose Connector Compatible with Select Cadillac / Chevrolet / GMC Models No ratings yet
9 Engine Lower Heater Outlet Hose - Compatible with Cadillac, Chevy and GMC - 2007-2014 - Escalade... Engine Lower Heater Outlet Hose - Compatible with Cadillac, Chevy and GMC - 2007-2014 - Escalade... No ratings yet
10 Dorman 800-403 Heater Hose Connector Compatible with Select Models Dorman 800-403 Heater Hose Connector Compatible with Select Models No ratings yet
11 Dorman 626-553 Engine Heater Hose Assembly Compatible with Select Cadillac / Chevrolet / GMC Models... Dorman 626-553 Engine Heater Hose Assembly Compatible with Select Cadillac / Chevrolet / GMC...
12 Patonu 7Pcs AC Fuel Line Removal Tool, Includes 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8Inch, Universal... Patonu 7Pcs AC Fuel Line Removal Tool, Includes 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8Inch, Universal...
13 Engine Lower Heater Outlet Hose, New Lower Radiator-Outlet Heater Hose 15834773 For GMC Sierra 1500... Engine Lower Heater Outlet Hose, New Lower Radiator-Outlet Heater Hose 15834773 For GMC Sierra... No ratings yet
14 Dorman 800-409HP Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose Compatible with Select... Dorman 800-409HP Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose Compatible with... No ratings yet
15 ACDelco Professional 34000 Quick Connect Heater Hose Connector ACDelco Professional 34000 Quick Connect Heater Hose Connector No ratings yet
16 Continental 63981 Molded Heater Hose Continental 63981 Molded Heater Hose
17 Gates 28500 Quick-Lok Heater Hose Connector Gates 28500 Quick-Lok Heater Hose Connector No ratings yet
18 Est. 2001 Vintage 2001 Limited Edition 21st Birthday T-Shirt Est. 2001 Vintage 2001 Limited Edition 21st Birthday T-Shirt No ratings yet
19 For LS Heater Core Bypass Hose Coolant Crossover for Chevrolet Pontiac for LS1 for LM7 1998 and... For LS Heater Core Bypass Hose Coolant Crossover for Chevrolet Pontiac for LS1 for LM7 1998 and...
20 RJSPHH LS Heater Core Bypass Hose Coolant Crossover by Corvette Envy for LS LS1 LS2 LS3 LS6 LS7 LSX... RJSPHH LS Heater Core Bypass Hose Coolant Crossover by Corvette Envy for LS LS1 LS2 LS3 LS6 LS7... No ratings yet

Bestseller No. 1
Dorman 800-414CD Heater Hose Connector Compatible with Select Cadillac / Chevrolet / GMC Models
  • Quality replacement - this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction - this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution - offers original equipment quality at competitive price
  • Performance tested - this connector has been rigorously pressure tested to ensure reliable performance
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
SaleBestseller No. 2
Dorman 800-409 Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose Compatible with Select...
  • Quality replacement - this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction - this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution - offers original equipment quality at competitive price
  • Performance tested - this connector has been rigorously pressure tested to ensure reliable performance
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Bestseller No. 3
Gates 22554 Premium Modular Coolant Hose
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation – the leading cause of hose failure
  • EPDM tube; synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
  • Manufactured with OEM-exact hose components (quick connects, branch connectors/tees, sensors, etc.)
  • Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
Bestseller No. 4
NOVINO Engine Lower Heater Outlet Hose 15834773,Lower Radiator Heater Hose for 00-14 GM Chevy...
  • High quality engine lower radiator outlet heater hose is designed resist electrochemical degradation,resist-leaking& cracking to withstand extreme...
  • Replaces OEM Part Number: 15834772,15834773, 15854959 , 15792821, 626-111 ,direct engine lower heater outlet hose replacement,perfect fit.
  • Fitment: The lower radiator outlet hose is compatible with 2000-2014 GM Chevy Silverados Tahoes Yukons Avalanche Suburban GMC Sierra Yukon XL 1500...
  • Easy Install: Just plug and play the modular coolant hose,10 minutes done! If have installation question we suggest that watch videos on YouTube
  • The EPDM radiator hose pipe tube is used for engine cooling system,great accessories for chevy silverados tahoes yukons avalanche suburban GMC sierra...
Bestseller No. 5
ACDelco Professional 18221L Molded Branched Heater Hose
  • Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function
  • Installs without buckling, bending out of shape, or straining at the connection for easy installation
  • Has all the quality features of a regular coolant hose for interchangeable use
  • Its diameter ranges from 1/4 in to 1 in to fit different types of vehicles
  • Less than 500 part numbers cover more than 1,200 applications to maximize coverage and reduce inventory
Bestseller No. 6
15145587 Lower Heater Hose Assembly, HVAC Heater Hose Assembly 15145587 Engine Heater Hose Assembly...
  • ◼️ Hvac Heater Hose Part Number: 15145587
  • ◼️ Durable--Hose Engine Heater: 15145587 Lower Heater Hose Assembly part is used to withstand extreme temperature changes and prevent cracking and...
  • ◼️ Long Life:This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on...
  • ◼️ Package Include: Brand new product, 1 piece of HVAC heater hose.
  • ◼️ Note: The HVAC heater hose assembly can directly replace the original water outlet of the specified vehicle year, brand and model. Please pay...
Bestseller No. 7
Radiator Hose Heater Pipe Replace 18221L 88920846 5.3 6.0 6.2 for Chevrolet Silverado Suburban Tahoe...
  • REPLACE: 18221L 88920846.
  • FITS: for Chevrolet Silverado Suburban Tahoe GMC Sierra Yukon XL 1500 2500 3500 HD Cadillac Escalade 5.3L 6.0L 6.2L engine, 12 13 14.
  • SIZE: 1 in x 3/4 in x 5/8 in x 5/8 in x 19 3/32 in. Its diameter ranges from 1/4 in to 1 in to fit different types of vehicles.
  • FUNCTION: Has all the quality features of a regular coolant hose for interchangeable use.
  • ENSURE: If there are any problems within 1 years after purchase, please consult our seller, we will provide you with quality products and services.
Bestseller No. 8
Dorman 800-413CD Heater Hose Connector Compatible with Select Cadillac / Chevrolet / GMC Models
  • Quality replacement - this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction - this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution - offers original equipment quality at competitive price
  • Performance tested - this connector has been rigorously pressure tested to ensure reliable performance
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Bestseller No. 9
Engine Lower Heater Outlet Hose - Compatible with Cadillac, Chevy and GMC - 2007-2014 - Escalade...
  • Replacement Engine Lower Heater Outlet Hose - the lower radiator outlet hose is one of the important parts of the heating system, this manages the...
  • Compatible Replacement for Cadillac, Chevrolet and GMC Vehicles - 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Escalade, Escalade ESV | 2007,...
  • Replaces Part# 15834773, 15834772, 15854959, 15792821, 626-111, 15005677, 15051850, 15059577, 88412, 25904691, 15058002 - Fits popular vehicle models...
  • OEM Fit, Quality, Finish - While this is not a genuine OEM part, it is a direct replacement and will look, fit and work exactly like the factory part....
  • Lifetime Warranty - This engine lower heater hose comes complete with a lifetime warranty. If the part ever fails on your 2007 Escalade, 2010 Escalade...
SaleBestseller No. 10
Dorman 800-403 Heater Hose Connector Compatible with Select Models
  • Quality replacement - this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction - this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution - offers original equipment quality at competitive price
  • Performance tested - this connector has been rigorously pressure tested to ensure reliable performance
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Bestseller No. 11
Dorman 626-553 Engine Heater Hose Assembly Compatible with Select Cadillac / Chevrolet / GMC Models...
  • Upgraded material - this replacement engine heater hose assembly features aluminum Y-connectors for added durability
  • Application specific - designed to match the original fit and function of heater hoses on certain vehicle years, makes and models
  • Complete replacement - hoses come with necessary clamps for easy installation
  • Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Bestseller No. 12
Patonu 7Pcs AC Fuel Line Removal Tool, Includes 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8Inch, Universal...
  • Durable Material: Made of heavy plastic, durable, resistant to fuel and solvents, light weight, small size, easy to grip, spring-loaded design, long...
  • Function: The Oil Cooler Line Quick Disconnect Kit provides 7 different sized tools for removing/disconnecting the fuel line, heater line, AC cooling...
  • SIMPLE HANDLING: Compact size for easy grip and access to hard-to-reach lines. Hold the notch of the tool against the wire and open the clamp with a...
  • What You Get: Transmission Line Removal Tool Set Contains 7 Opening Sizes: 1/4", 5/16", 3/8", 1/2", 5/8", 3/4", 7/8".
  • Wide applicability: 7 sizes of disconnect tools for a variety of fuel lines and other quick disconnects. If you have any questions about this product,...
Bestseller No. 13
Engine Lower Heater Outlet Hose, New Lower Radiator-Outlet Heater Hose 15834773 For GMC Sierra 1500...
  • Premium Modular Coolant Hose for Chevy Suburban Yukon Chevrolet Tahoe 1500 GMC XL 15834773
  • Reference Interchange othe part number:15834772, 15854959 , 15792821, 15834772,626-553.
  • Please Check fitment for your vehicle Year/Make/Model and interchangeable part numbers to confirm the compatibility before purchase.
  • Engineered to resist electrochemical degradation –EPDM tube; synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM...
  • Warranty Duration: 1 Year . Please contact us for a quick response if you have any issues.we will always be here to provide help!
SaleBestseller No. 14
Dorman 800-409HP Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose Compatible with Select...
  • Improved design - this HVAC heater hose connector has been redesigned for greater durability the original equipment part
  • Durable construction - this heater hose connector is made of stainless steel instead of the original equipment connector to reduce damage from heat...
  • Easy to install - matches the original equipment form and dimensions for a simple replacement
  • Quality tested - this part has undergone try-on, corrosion, heat and pressure testing to ensure a quality fit and long service life
  • Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
SaleBestseller No. 15
ACDelco Professional 34000 Quick Connect Heater Hose Connector
  • Provides a fast, easy way to connect replacement heater hoses on cars and trucks
  • Three sizes for more coverage and broader applications
  • Its design retains O-rings for added durability
  • Professional, premium aftermarket replacement , Provides the performance and dependability you expect from ACDelco and Manufactured to meet...
  • Designed to deliver trouble-free, consistent performance
Bestseller No. 16
Continental 63981 Molded Heater Hose
  • Leading Manufacturer Of High-Quality Products
  • International Renown For Our Diverse Range Of Award-Winning Products
  • Designed With The User In Mind
  • Proven And Tested For Durability And Function In Real-World Conditions
  • Meeting Or Exceeding All Required And Standardized Testing
SaleBestseller No. 17
Gates 28500 Quick-Lok Heater Hose Connector
  • Glass-reinforced nylon resists coolant additives, gasoline, diesel, oil and LPG
  • Bulkheads assure proper insertion depths
  • Anti-rotation device prevents hose twisting
  • Temperature Range: -40 Deg. F to 480 Deg. F (-65 Deg. C to 250 Deg. C)
  • Working pressure up to 290 psi
Bestseller No. 18
Est. 2001 Vintage 2001 Limited Edition 21st Birthday T-Shirt
  • Year 2001 - For Men & Women. Est. 2001 Vintage 2001 Limited Edition 21st Birthday. Perfect 21 Years Old Birthday for dad, mom, husband, wife, uncle,...
  • Vintage 21st Birthday Gifts For Men Women. Complete your collection of epic legendary accessories for him and her: 21 years old birthday decorations,...
  • Lightweight, Classic fit, Double-needle sleeve and bottom hem
SaleBestseller No. 19
For LS Heater Core Bypass Hose Coolant Crossover for Chevrolet Pontiac for LS1 for LM7 1998 and...
  • FITS: For Chevrolet for Pontiac all for LS or for LT series Gen III IV V for LS for LS1 for LS2 for LS3 for LS6 for LS7 for LSX for LH6 for LH8 for...
  • REPLACES: 551699.
  • HOSE ENDS: One end is 5/8 and the other is 3/4.
  • Function: Used to loop the heater hose outlets of your engine water pump. Heater core, delete water pump bypass hose. Easy to clean, oil, coolant and...
  • ENSURE: If there is any problem with the product, please do not hesitate to contact us, we will help you solve the problem.
SaleBestseller No. 20
RJSPHH LS Heater Core Bypass Hose Coolant Crossover by Corvette Envy for LS LS1 LS2 LS3 LS6 LS7 LSX...
  • for LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG LS3 L98 L9H L20 L94 LZ1 L99 L96 LC8 L77
  • HOSE ENDS: One end is 5/8 and the other is 3/4.
  • Good for deleting the heater on your LS swapped vehicle.
  • EASY TO CLEAN — Oil, Coolant and Fuel-Resistant Finish
  • LS heater core bypass hose used with vehicles that are no longer using the heater core.
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FAQ:

Q: Where does the heater hose run on a 65 small block?

A: Currently the heater hose goes from the driver side front on the intake. As it is, the hose runs to the small block schematron.org hose routing. Need Some Help w/65 Small Block AC Heater Hose Routing. AddThis Sharing Buttons. Share to Location: Chevy Chase MD.

Q: Where does the coolant surge tank hose run?

A: At the left side of the water pump, there are two hoses that come out: 1. A hose towards the front of the engine that immediately splits into one that goes to the heater core, and the other that goes tot he coolant surge tank. I’ve got this one running to the right side of the heater core.

Q: Where is the heater core inlet hose located?

A: One of the fittings[the passenger side of intake] goes to the heater core inlet. The hole on the Bigger hose = outlet, smaller hose = inlet. Currently the heater hose goes from the driver side front on the intake.

Q: How many ports does the heater control valve have?

A: My heater control valve is vacuume operated w/ four ports (two large and two small one each entering and leaving). The vehicle is a Chevy suburban K L w/ the rear air conditioning package.