20 Best 5.3 Heater Hose Routing in 2024 Reviews and Buying Guide

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1 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
2 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
3 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...
4 Engine Lower Heater Radiator Outlet Hose Replace 15834773 626-553 15834772 15854959 15792821 for... Engine Lower Heater Radiator Outlet Hose Replace 15834773 626-553 15834772 15854959 15792821 for... No ratings yet
5 Engine Lower Heater 15834773 Outlet Hose, New Lower Radiator-Outlet Heater Hose 15834773 88920846... Engine Lower Heater 15834773 Outlet Hose, New Lower Radiator-Outlet Heater Hose 15834773 88920846... No ratings yet
6 FEXON Engine Lower Heater Outlet Hose For Chevy Suburban 1500 2500 Tahoe/GMC Yukon XL/Cadillac... FEXON Engine Lower Heater Outlet Hose For Chevy Suburban 1500 2500 Tahoe/GMC Yukon XL/Cadillac... No ratings yet
7 Gates Radiator To Throttle Body HVAC Heater Hose compatible with Chevrolet Silverado 1500 4.8L 5.3L... Gates Radiator To Throttle Body HVAC Heater Hose compatible with Chevrolet Silverado 1500 4.8L... No ratings yet
8 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
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 Engine Heater Hose Assembly Compatible with Buick Enclave 2008-2017, GMC Acadia 2007-2017, Chevrolet... Engine Heater Hose Assembly Compatible with Buick Enclave 2008-2017, GMC Acadia 2007-2017,... No ratings yet
11 Engine Heater Hose Set Assembly Compatible with Buick Enclave GMC Acadia Chevrolet Traverse... Engine Heater Hose Set Assembly Compatible with Buick Enclave GMC Acadia Chevrolet Traverse... No ratings yet
12 Engine Lower Heater Hose 15834773, Outlet Hose Replacement for GMC Sierra 1500 2500 Yukon XL Select... Engine Lower Heater Hose 15834773, Outlet Hose Replacement for GMC Sierra 1500 2500 Yukon XL... No ratings yet
13 Sheisor Heater Core Hose Connector, Heater Core Hose Tee Connector Compatible with Chevy 2000-2014... Sheisor Heater Core Hose Connector, Heater Core Hose Tee Connector Compatible with Chevy... No ratings yet
14 ICT Billet USA Made 60' LS Swap Heater Core Hose Set LS1 LSX LS2 LS3 LQ4 Kit Coolant 551065 ICT Billet USA Made 60" LS Swap Heater Core Hose Set LS1 LSX LS2 LS3 LQ4 Kit Coolant 551065 No ratings yet
15 Upgrade Aluminum Engine Heater Core Bypass Kit with 5/8' 3/4' Hose Compatible with Most Common... Upgrade Aluminum Engine Heater Core Bypass Kit with 5/8" 3/4" Hose Compatible with Most Common... No ratings yet
16 Engine Heater Hose Assembly Compatible with Chevrolet Traverse Saturn Vision Buick Enclave GMC... Engine Heater Hose Assembly Compatible with Chevrolet Traverse Saturn Vision Buick Enclave GMC... No ratings yet
17 X AUTOHAUX HVAC Engine Heater Inlet Hose Assembly 22885825 15895065 15854958 for Cadillac Escalade... X AUTOHAUX HVAC Engine Heater Inlet Hose Assembly 22885825 15895065 15854958 for Cadillac...
18 AUTOKAY 20765678 HAVC Inlet Heater Hose Fits for Buick Enclave for Chevrolet Traverse for GMC Acadia AUTOKAY 20765678 HAVC Inlet Heater Hose Fits for Buick Enclave for Chevrolet Traverse for GMC Acadia No ratings yet
19 Gates Radiator To Throttle Body HVAC Heater Hose compatible with GMC Sierra 1500 4.8L 5.3L 6.0L V8... Gates Radiator To Throttle Body HVAC Heater Hose compatible with GMC Sierra 1500 4.8L 5.3L 6.0L... No ratings yet
20 MLAHUIER 2 PCS Car Heater Hose Fitting, T-connector Three-way Cooling Water Pipe Joint, Heater Inlet... MLAHUIER 2 PCS Car Heater Hose Fitting, T-connector Three-way Cooling Water Pipe Joint, Heater... No ratings yet

Bestseller No. 1
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:15834773, 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...
  • Warran-ty Duration: 24 Hours of assistance to solve problems, allowing you to shop withnot-worry.
Bestseller No. 2
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. 3
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. 4
Engine Lower Heater Radiator Outlet Hose Replace 15834773 626-553 15834772 15854959 15792821 for...
  • 【High Quality Material】- Used high quality rubber and plastic, construction for long lasting durability and reliability. Standardized...
  • 【Reference OE Part Number】- 15834773, 15854959, 15792821, 15834772, 626-553. Meets or exceeds OEM standards. 100% tested before shipping.
  • 【Replacement The Following Vehicle】- 2000-2014 Silverado, 2000-2014 Tahoe, 2002-2013 Avalanche, 2001-2013 Suburban, 2001-2014 GMC Sierra,...
  • 【Direct Fit】- Directly fit your vehicle, manufactured according to OEM specifications. OEM fit, easy to replace, plug and play, saving time and...
  • 【Buy with Confidence】 - QFISH each product have been tested. We offer 1 year warranty and lifetime support. We insist on winning with quality and...
SaleBestseller No. 5
Engine Lower Heater 15834773 Outlet Hose, New Lower Radiator-Outlet Heater Hose 15834773 88920846...
  • ✅Replaces Part# 15834773, 15834772, 15854959, 15792821, 626-111, 15005677, 15051850, 15059577, 88412, 25904691, 15058002 - Fits popular vehicle...
  • ✅Compatible Replacement for Cadillac, Chevrolet and GMC Vehicles -Suitable for 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Escalade, Escalade ESV...
  • ✅[Function] A coolant hose is a long radiator hose that sends coolant from your engine and your radiator to other parts of your car. It often sends...
  • ✅Simple Installation: you can do a complete and proper long-term repair on one or both components and save a lot of money.And good overall...
  • ✅Customer Service:We have 1 year warranty Please refer to the details of the product before purchase. We provide with professional consulting all...
Bestseller No. 6
FEXON Engine Lower Heater Outlet Hose For Chevy Suburban 1500 2500 Tahoe/GMC Yukon XL/Cadillac...
  • 🔧【COMPATIBLE WITH】This heater hose fit for Chevy Tahoe Suburban 1500 2500 ,for GMC Yukon XL 1500 2500 , for Cadillac Escalade.
  • 🔧【REPLACE OE PART NUMBER】15834773 626553 626-553.
  • 🔧【EASY INSTALLATION】Just plug and play the modular coolant hose,10 minutes done! If have installation question,we suggest that watch videos on...
  • 🔧【OEM DESIGN & DIRECT FIT】Quality materials used, meets or exceeds OEM standards, 100% tested before shipping.
  • 🔧【BUY WITH CONFIDENCE】Please check the model and year we listed in the description to confirm compatibility before purchasing.
Bestseller No. 7
Gates Radiator To Throttle Body HVAC Heater Hose compatible with Chevrolet Silverado 1500 4.8L 5.3L...
  • This Gates HVAC Heater Hose is compatible with Chevrolet Silverado 1500 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000,...
  • Genuine Gates Parts
  • Includes original packaging and hardware
  • Direct replacement auto parts
  • Confirm vehicle fitment with Amazon Confirmed Fit
Bestseller No. 8
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. 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...
Bestseller No. 10
Engine Heater Hose Assembly Compatible with Buick Enclave 2008-2017, GMC Acadia 2007-2017, Chevrolet...
  • 【Compatibility】Compatible with 2008-2017 Buick Enclave , 2007-2017 GMC Acadia, 2009-2017 Chevrolet Traverse, 2007-2010 Saturn Outlook.
  • 【Durable】 Premium rubber material hose and reinforced T-connector, that can avoid cracking and leaking.
  • 【Exact Fit】 Designed according to original hose assembly with necessary quick-connects, so you can make replacement easily.
  • Replace Part Number: 20765678 25862087 25862088 626-562
  • 12 months warranty. Please do double check the compatibility before buy. Select the correct part will save your time, or else it will waste a lot.
Bestseller No. 11
Engine Heater Hose Set Assembly Compatible with Buick Enclave GMC Acadia Chevrolet Traverse...
  • Heater hose Compatible with Buick Enclave 2008-2017, GMC Acadia 2007-2017, Chevrolet Traverse 2009-2017, Saturn Outlook 2007-2010.
  • Replacement Part Number: 20765678, 25862087, 25862088, 626-562.
  • Made of high quality aluminum T-connectors and rubber material.After receiving the heater hose if there is a little taste is normal. Please open the...
  • Easy to install: direct replace.
  • We sincerely appreciate your purchase of engine heater hose set and the trust and support of iKer. If you have any questions or suggestions, please...
Bestseller No. 12
Engine Lower Heater Hose 15834773, Outlet Hose Replacement for GMC Sierra 1500 2500 Yukon XL Select...
  • 【Replaces Part Number】: 15834773, 626-553, 15834772, 15854959, 15792821.
  • 【Perfect Match】: Replacement for Cadillac Chevy Suburban Yukon Chevrolet Tahoe 1500 GMC XL 15834773.
  • 【Compatible Engine】: For 5.3L 6.0L 6.2L V8 Electric / Flex / Gas OHV Naturally Aspirated.
  • 【Reliable Material】: Made of quality rubber material, reliable and durable.
  • 【You Will Get】: 1x Engine Lower Heater Outlet Hose. 30-day hassle-free return. If, for any reason, you are not satisfied with the heater hose,...
Bestseller No. 13
Sheisor Heater Core Hose Connector, Heater Core Hose Tee Connector Compatible with Chevy 2000-2014...
  • 1 set of heat hose quick connector repalcements for broken or cracked 3 way connector and solve coolant leak neat the firewall
  • Replaces the 2 three way fittings which connect to the heater core at the firewall. Do both inlet and outlet connections at the heater core
  • Heat core hose tee connector fits 2007-2014 Silverado, 2000-2014 Tahoe Suburban
  • Heat hose connector also fits 2000-2014 Yukon, 2007-2014 Sierra, 2002-2014 Escalade and 2008-2009 H2
  • Make sure not to distort the aluminum tube when taking the old pieces off and be careful not to push to hard and risk damaging your heater core
Bestseller No. 14
ICT Billet USA Made 60" LS Swap Heater Core Hose Set LS1 LSX LS2 LS3 LQ4 Kit Coolant 551065
  • USA made, high quality hoses
  • Great for doing LS/LT swaps when retaining the heater core
  • Compatible with all OEM LS and LT water pump outlet hose sizes
  • 60 inch hoses
  • Package includes: 1pc 5/8 I.D. hose and 1pc 3/4 I.D. hose
Bestseller No. 15
Upgrade Aluminum Engine Heater Core Bypass Kit with 5/8" 3/4" Hose Compatible with Most Common...
  • Function : By installing an engine heater core bypass kit, engine coolant is re-routed from the heater core, allowing an inoperable vehicle to be...
  • QUALITY: Our aluminum engine heater core bypass kit are made of high quality materials, which have been tested for quality to ensure that they will...
  • Fits: 626-001 Upgraded aluminum engine heater core bypass kit is compatible with most common heater hoses.
  • WHY REPLACE: Replacing a leaking heater core is a labor- and money-intensive repair job, and a heater bypass kit is an affordable alternative that...
  • INSTALLATION: Easy to install, can be perfectly compatible with your vehicle, professional installation is highly recommended.
Bestseller No. 16
Engine Heater Hose Assembly Compatible with Chevrolet Traverse Saturn Vision Buick Enclave GMC...
  • Guaranteed Quality: Made of high quality rubber materials, strong stability, higher practicality, not easy to break, the same size as the original car...
  • Strong Compatibility: Compatible with Saturn Vision 3.6lL 2007-2010, Compatible with GMC Acadia 3.6L 2007-2017 (excluding GMC acadia SLT...
  • Part Number: 626-562 ,25862088, 20765678 ,25862087.
  • Simple Installation: If you go to auto store you will be charged hundreds of dollars or more to fix this problem. But if you have a sharp knife and a...
  • Reliable Warranty: We provide 12 months warranty for each customer, if there is any product problem during this period, please feel free to contact...
Bestseller No. 17
X AUTOHAUX HVAC Engine Heater Inlet Hose Assembly 22885825 15895065 15854958 for Cadillac Escalade...
  • [Part Number] 22885825 15895065 15854958
  • [Fitment] for Cadillac Escalade 2007-2014; for Cadillac Escalade ESV 2007-2014; for Cadillac Escalade EXT 2007,2012-2013; for Chevrolet Suburban 1500...
  • [Pros] Made of good quality material, reliable quality, and durable material, easy to install. Manufactured according to the original dimensions,...
  • [Function] Circulate engine coolant to and from the heater core, while provides heat for the cabin. Typically extend from the engine to the firewall,...
  • [Package] 1x Heater Hose. Please confirm your car model and OE number before purchasing. Please check relevant operation video when you replace it.
Bestseller No. 18
AUTOKAY 20765678 HAVC Inlet Heater Hose Fits for Buick Enclave for Chevrolet Traverse for GMC Acadia
  • Replace Part Number: 20765678
  • Fits for Saturn Outlook 2007-2010
  • Fits for Buick Enclave 2008-2017
  • Fits for Chevrolet Traverse 2009-2017
  • Fits for GMC Acadia 2007-2016; Acadia Limited 2017
Bestseller No. 19
Gates Radiator To Throttle Body HVAC Heater Hose compatible with GMC Sierra 1500 4.8L 5.3L 6.0L V8...
  • This Gates HVAC Heater Hose is compatible with GMC Sierra 1500 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999 4.8L...
  • Genuine Gates Parts
  • Includes original packaging and hardware
  • Direct replacement auto parts
  • Confirm vehicle fitment with Amazon Confirmed Fit
Bestseller No. 20
MLAHUIER 2 PCS Car Heater Hose Fitting, T-connector Three-way Cooling Water Pipe Joint, Heater Inlet...
  • 【High Quality】The Heater Core Hose is made of plastic material,with structure is stable, resistant to low temperatures, can withstand the...
  • 【Perfect Design】This heater inlet hose connector adopts a T-shaped 3-way design,damaged or cracked original joints can be directly replaced to...
  • 【Good Sealing】T-type hose connector can features a precise fit and leak-free durability,no burrs or cracks, completely sealed and not easy to fall...
  • 【Easy to Install】You need to remove the old connector and connect this connector to the 2 fittings on the heater core at the firewall for inlet...
  • 【Product Parameters】You will receive 2 black and white heater hose connectors, replacement part numbers 15055343 15055342, compatible with select...
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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.