Top 8 Water Pump Bypass Hose – Automotive Replacement Heater Hoses

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1. Mishimoto

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Red, Silicone GM LS V8 Heater Core Bypass Hose

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Mishimoto #ad - Bypassing instead of blocking water pump ports allows coolant to flow to thermostat and avoids overheating. 5-layer silicone construction is heat and pressure resistant to provide a durable, long-lasting solution. Fits all gM LS engines. Allows you to bypass heater core. Tapers from 3/4" to 5/8” for a perfect fit.
BrandMishimoto #ad
ManufacturerMishimoto #ad
Height3 Inches
Length10 Inches
Width10 Inches
Part NumberMMHOSE-LSHB
ModelMMHOSE-LSHB-RD
WarrantyMishimoto Lifetime Warranty

2. ACDelco

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ACDelco Professional 252-711 Water Pump Kit

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ACDelco #ad - Fit type: Vehicle Specific. Coated seals support seal longevity and durability. High-quality bearings are permanently sealed and lubricated for greater durability and long life. Heat-treated shaft assemblies provide superior strength and durability over non-treated assemblies. All makes water pumps fit gm vehicles as well as a wide range of non-gm vehicles. Thoroughly tested for reliable, leak-free performance.
BrandACDelco #ad
ManufacturerACDelco #ad
Height7.5 Inches
Length11.4 Inches
Weight4.34 Pounds
Width8.1 Inches
Part Number252-711
Model252-711
Warranty24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.

3. ACDelco

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ACDelco Professional 14155S Molded Multi Purpose Hose

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ACDelco #ad - Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function. Has all the quality features of a regular coolant hose for interchangeable use. Installs without buckling, bending out of shape, or straining at the connection for easy installation. Less than 500 part numbers cover more than 1, 200 applications to maximize coverage and reduce inventory. Its diameter ranges from 1/4 in to 1 in to fit different types of vehicles.
BrandACDelco #ad
ManufacturerACDelco #ad
Height1.2 Inches
Length5.7 Inches
Weight0.1 Pounds
Width1.2 Inches
Part Number14155S
Model14155S
WarrantyLimited Lifetime as long as original purchaser owns vehicle. (Parts Only)

4. ACDelco

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ACDelco Professional 14213S Molded Multi Purpose Hose

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ACDelco #ad - Less than 500 part numbers cover more than 1, 200 applications to maximize coverage and reduce inventory. Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function. Its diameter ranges from 1/4 in to 1 in to fit different types of vehicles. 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.
BrandACDelco #ad
ManufacturerACDelco #ad
Height1.2 Inches
Length4.2 Inches
Weight0.15 Pounds
Width1.2 Inches
Part Number14213S
Model14213S
WarrantyLimited Lifetime as long as original purchaser owns vehicle. (Parts Only)

5. Gates

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Gates 19025 Premium Molded Heater Hose

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Gates #ad - F to 275 deg. Has all the quality features of Gates molded coolant hose and similar to OEM specifications. Engineered to resist electrochemical degradation – the leading cause of hose failure. Epdm tube, synthetic fiber knit reinforcement, EPDM cover. F -40 deg. Temperature range: -40 deg. C. Meets sae 20r3 type ec class D-1 and D-2 specifications. C -135 deg.
BrandGates #ad
ManufacturerGates #ad
Height0 Inches
Length0 Inches
Weight0.1 Pounds
Width0 Inches
Part Number19025
Model19025
WarrantyPlease contact retailer/seller for assistance

6. ACDelco

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ACDelco Professional 14211S Molded Multi Purpose Hose

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ACDelco #ad - Has all the quality features of a regular coolant hose for interchangeable use. Less than 500 part numbers cover more than 1, 200 applications to maximize coverage and reduce inventory. Comes with a protective sleeve to help duplicate GM OE designs for proper fit and function. Its diameter ranges from 1/4 in to 1 in to fit different types of vehicles. Installs without buckling, bending out of shape, or straining at the connection for easy installation.
BrandACDelco #ad
ManufacturerACDelco #ad
Height1.5 Inches
Length3.9 Inches
Weight0.05 Pounds
Width1.5 Inches
Part Number14211S
Model14211S
WarrantyLimited Lifetime as long as original purchaser owns vehicle. (Parts Only)

7. Gates

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Gates 20338 Molded Coolant Hose

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Gates #ad - Hose inside Diameter mm: 15. Epdm tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover. Engineered to resist electrochemical degradation, the leading cause of hose failure. Meets requirements of sae 20r4, class D2 and DIN 73411, class A except for tolerances. Centerline length mm: 124. Pre-shaped to fit and to ensure perfectly sealed conditions. Specifically-engineered materials resist collapse under vacuum.
BrandGates #ad
ManufacturerGates #ad
Height0 Inches
Length0 Inches
Weight0 Pounds
Width0 Inches
Part Number20338
Model20338
WarrantyPlease contact retailer/seller for assistance

8. Gates

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Gates 22038 Premium Molded Coolant Hose

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Gates #ad - Specifically-engineered materials resist collapse under vacuum. Meets requirements of sae 20r4, class D2 and DIN 73411, class A except for tolerances. Epdm tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover. Pre-shaped to fit and to ensure perfectly sealed conditions. Engineered to resist electrochemical degradation, the leading cause of hose failure.
BrandGates #ad
ManufacturerGates #ad
Height0 Inches
Length0 Inches
Weight0.14 Pounds
Width0 Inches
Part Number22038
Model22038
WarrantyPlease contact retailer/seller for assistance

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