How to replace the Coolant Pipe Outlet Tube (LU3) (4.3L) on Chevrolet Silverado 1500?

In order to replace the water outlet tube (LU3) (4.3L), one must remove the air cleaner outlet resonator duct and remove the radiator inlet hose. Next, extract the turbocharger coolant bypass valve and water outlet bolts in order to extract the water outlet itself, dispose of the old gasket. For installation, insert a new gasket to the water outlet, lubricate o-ring seal with clean engine coolant, then reinstall the water outlet. Make sure you tighten the water outlet bolts to 21 n.m (15 lb ft) and reassemble the radiator inlet hose and the air cleaner outlet resonator duct.

OEM Chevrolet Silverado 1500 Coolant Pipe

Engine Cooler Pipe

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77 Coolant Pipes found

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Chevrolet Silverado 1500 Outlet Hose Part Number: 15834773
$84.68 MSRP: $146.51
You Save: $61.83 (43%)
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Product Specifications
- Other Name: Hose, Engine Coolant Recovery; Radiator Surge Tank Hose; Radiator Hose
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010 Chevrolet Silverado 1500 | Hybrid | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV)
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Chevrolet Silverado 1500 Outlet Hose Part Number: 15834772
$78.76 MSRP: $132.04
You Save: $53.28 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Engine Coolant Recovery; Radiator Surge Tank Hose; Radiator Hose
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Inlet Hose Part Number: 22827733
$31.60 MSRP: $47.67
You Save: $16.07 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Radiator Surge Tank Inlet; Radiator Hose; Hose, Engine Coolant Recovery
- Replaces: 15834774
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Reservoir Hose Part Number: 15792820
$85.81 MSRP: $129.44
You Save: $43.63 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose Assembly-Radiator Surge Tank Outlet; Coolant Reservoir Hose; Multi Purpose Hose; Hose, Engine Coolant Recovery
- Replaces: 15059575
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2007 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, LTZ, SS, WT, Z71 Off-Road | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Coolant Line Part Number: 86788215
$118.94 MSRP: $188.80
You Save: $69.86 (37%)
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Engine Oil Cooler
- Replaced by: 85724972
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2025 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Hose, Emission System Part Number: 40009481
$6.49 MSRP: $12.18
You Save: $5.69 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose-EGR Cooler Water Bypass Outlet
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2025 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, ZR2 | 6 Cyl 3.0 L DIESEL
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Chevrolet Silverado 1500 Outlet Hose Part Number: 55514219
$58.31 MSRP: $109.50
You Save: $51.19 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass
- Replaces: 55492655
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
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Chevrolet Silverado 1500 Outlet Hose Part Number: 40009116
$18.77 MSRP: $35.24
You Save: $16.47 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; By-Pass Hose; Hose, Engine Coolant By - Pass
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023-2025 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, ZR2 | 6 Cyl 3.0 L DIESEL
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Chevrolet Silverado 1500 Outlet Pipe Part Number: 55492656
$49.41 MSRP: $88.24
You Save: $38.83 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; By-Pass Hose; Hose; Hose, Engine Coolant By - Pass
- Replaced by: 40009531
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2025 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, ZR2 | 6 Cyl 3.0 L DIESEL
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Chevrolet Silverado 1500 Coolant Line Part Number: 12711706
$60.29 MSRP: $109.12
You Save: $48.83 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Thermostat Bypass; By-Pass Pipe; Pipe, Engine Coolant By - Pass
- Replaces: 12691178
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2025 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, LT, LT Trail Boss, RST, WT | 4 Cyl 2.7 L GAS
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Chevrolet Silverado 1500 Tube Assembly Part Number: 84791853
$82.23 MSRP: $143.51
You Save: $61.28 (43%)
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Engine Oil Cooler; Oil Cooler Tube; Hose, Engine Oil Cooler
- Replaces: 23262248, 84073495, 84424416, 23115733
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, WT | 6 Cyl 4.3 L GAS
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Chevrolet Silverado 1500 Pipe Assembly Part Number: 85522974
$133.92 MSRP: $233.69
You Save: $99.77 (43%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Engine Oil Cooler; Hose, Engine Oil Cooler
- Replaces: 15809049, 25770999
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, SS, WT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Pipe Assembly Part Number: 84828850
$141.06 MSRP: $246.17
You Save: $105.11 (43%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Engine Oil Cooler; Hose, Engine Oil Cooler
- Replaces: 15203890, 15725587, 15765439
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2005 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, SS, WT, Z71 Off-Road | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Water Feed Tube Part Number: 55492649
$23.63 MSRP: $38.93
You Save: $15.30 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Turbo Coolant Feed & Return
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
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Chevrolet Silverado 1500 Coolant Line Part Number: 55512938
$29.92 MSRP: $49.28
You Save: $19.36 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Turbocharger/Supercharger Air/Vacuum/Cooling; Upper Return Hose; Water Return Tube; Hoses
- Replaces: 55506774
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
View related parts
Chevrolet Silverado 1500 Inlet Hose Part Number: 85510548
$44.42 MSRP: $73.18
You Save: $28.76 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Charging Air Cooler Coolant Pump
- Replaced by: 86276551
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2025 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, ZR2 | 6 Cyl 3.0 L DIESEL
View related parts
Chevrolet Silverado 1500 Water Pipe Part Number: 12696273
$47.33 MSRP: $77.95
You Save: $30.62 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Turbo Coolant Feed & Return; Coolant Pipe
- Replaced by: 12729707
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2025 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, LT, LT Trail Boss, RST, WT | 4 Cyl 2.7 L GAS
View related parts
Chevrolet Silverado 1500 Water Outlet Part Number: 55510685
$64.55 MSRP: $106.32
You Save: $41.77 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; Water Outlet Pipe; Hose, Engine Coolant By - Pass
- Replaced by: 40009056
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
View related parts
Chevrolet Silverado 1500 Inlet Hose Part Number: 19332791
Product Specifications
- Other Name: Hose Assembly, Radiator Surge Tank Inlet; Radiator Hose; Hose, Engine Coolant Recovery
- Replaces: 15170551
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2007 Chevrolet Silverado 1500 | Base, Hybrid, LS, LT, LTZ, SS, WT, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Silverado 1500 Outlet Hose Part Number: 21994332
Product Specifications
- Other Name: Hose Assembly-Radiator Surge Tank Outlet; Radiator Hose; Hose, Engine Coolant Recovery
- Replaces: 19117201
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 Chevrolet Silverado 1500 | Hybrid | 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV)

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Chevrolet Silverado 1500 Coolant Pipe

Want to cut long-term maintenance and repair costs? Choose OEM Coolant Pipe. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Chevrolet Silverado 1500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Chevrolet Silverado 1500 Coolant Pipe includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

Chevrolet Silverado 1500 Coolant Pipe Parts and Q&A

Outlet Hose
15834772
Q: How to replace the Coolant Pipe Outlet Tube (LU3) (4.3L) on Chevrolet Silverado 1500?
A:
In order to replace the water outlet tube (LU3) (4.3L), one must remove the air cleaner outlet resonator duct and remove the radiator inlet hose. Next, extract the turbocharger coolant bypass valve and water outlet bolts in order to extract the water outlet itself, dispose of the old gasket. For installation, insert a new gasket to the water outlet, lubricate o-ring seal with clean engine coolant, then reinstall the water outlet. Make sure you tighten the water outlet bolts to 21 n.m (15 lb ft) and reassemble the radiator inlet hose and the air cleaner outlet resonator duct.