What are the ways to check the operation of a water pump on Chevrolet Express?

Water pump failure can lead to overheating, there are several ways to check the operation of the water pump while it is installed on the engine. Excessive bearing wear can be identified by attempting to move the water pump pulley horizontally or vertically. To replace the water pump, the coolant must be drained and various components such as the air cleaner assembly, radiator shroud, fan/clutch assembly, and drive removed. The specific steps for removal and installation vary depending on the engine type. Coolant should be added to the specified level and the coolant level checked. Also, it is important to bleed the cooling system of air and check for any coolant leaks around the water pump and hoses.

Genuine Chevrolet Express Water Pump

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11 Water Pumps found

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Chevrolet Express Water Pump Kit
Part Number: 12681417
$288.26 MSRP: $561.92
You Save: $273.66 (49%)
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Product Specifications
- Other Name: Pump Kit, Water; Water Pump
- Replaced by: 19434033
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2020 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex
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Chevrolet Express Pump Kit, Wat
Part Number: 12703898
$186.80 MSRP: $364.18
You Save: $177.38 (49%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Water Pump
- Replaces: 12681184, 12686763, 19256261
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 6.0L
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Chevrolet Express Water Pump Assembly
Part Number: 12637105
$257.52 MSRP: $482.35
You Save: $224.83 (47%)
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Product Specifications
- Other Name: Pump Assembly, Water ; Pump, Engine Coolant; Water Pump
- Replaces: 98098889, 97372515, 98031233
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2016 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
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Chevrolet Express Engine Coolant Pump Kit
Part Number: 89060527
$233.97 MSRP: $456.07
You Save: $222.10 (49%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Kit,Water; Water Pump, Water Pump Assembly
- Replaces: 12528917, 89017748, 12532528
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2014 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L
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Chevrolet Express Water Pump Assembly
Part Number: 12645126
$168.02 MSRP: $327.52
You Save: $159.50 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Assembly, Water; Water Pump
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 4 Cyl 2.8L Diesel
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Chevrolet Express PUMP ASM-WAT
Part Number: 12717097
$166.16 MSRP: $493.96
You Save: $327.80 (67%)
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Product Specifications
- Replaced by: 12740339
- Replaces: 12687632, 12707676
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 6 Cyl 4.3L
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Chevrolet Express Pump Kit, Wat
Part Number: 12708487
$170.92 MSRP: $508.16
You Save: $337.24 (67%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Water Pump
- Replaces: 12456326, 12527759, 19168601
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER | 8 Cyl 7.4L
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Chevrolet Express Engine Coolant Pump Kit
Part Number: 19168610
$222.63 MSRP: $433.95
You Save: $211.32 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Kit,Water; Water Pump, Water Pump Assembly
- Replaces: 12534772, 12530176, 88894036
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1998 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.5L Diesel
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Chevrolet Express Engine Coolant Pump Kit
Part Number: 19168609
$248.38 MSRP: $484.18
You Save: $235.80 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Kit,Water; Water Pump
- Replaces: 88894035, 12456231
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.5L Diesel
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Chevrolet Express PUMP ASM-WAT
Part Number: 12725728
$283.84 MSRP: $553.28
You Save: $269.44 (49%)
ADD TO CART
Product Specifications
- Other Name: Water Pump
- Replaced by: 12735409
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 8 Cyl 6.6L
View related parts
Chevrolet Express Water Pump Kit
Part Number: 12685964
Product Specifications
- Other Name: Pump Kit, Wat; Water Pump
- Replaces: 89017773, 89017694, 88893907
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER | 8 Cyl 8.1L

Chevrolet Express Water Pump

Chevrolet Express Water Pump is responsible for keeping the engine of this full-size van from getting too hot by circulating coolant through the water jacket of the engine block and sending it out to the radiator. The pump is located at the front of the engine where there is usually a belt connected to the crankshaft spinning a shaft supported by a bearing. This turns an impeller that forces coolant into passages cast into the head and block, from there to the thermostat and radiator where heat escapes the system. While older units were made of heavy cast iron, major modern pumps are made of lightweight aluminum castings that offer better heat transfer and corrosion resistance. However, both styles remain the same in the basic layout of pulley, shaft, seal, and impeller. Some of the updated models replace the belt with an electric motor, making the Water Pump capable of providing a steady flow no matter the engine speed. A tight mechanical seal keeps coolant away from the bearings, so leaks, grinding noises, or rising temperature gauges warn drivers that the Water Pump is failing. No matter the variant, the Water Pump is important because without constant coolant circulation, the Chevrolet V8 or V6 inside an Express would overheat within minutes. Thanks to its simple design and the fact that it only has one moving rotor, the Water Pump is one of the most durable parts in the Chevrolet Express cooling circuit.

Each OEM Chevrolet Express Water Pump we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Express Water Pump Parts Questions & Experts Answers

Pump Kit, Wat
12703898
Q: What are the ways to check the operation of a water pump on Chevrolet Express?
A:
Water pump failure can lead to overheating, there are several ways to check the operation of the water pump while it is installed on the engine. Excessive bearing wear can be identified by attempting to move the water pump pulley horizontally or vertically. To replace the water pump, the coolant must be drained and various components such as the air cleaner assembly, radiator shroud, fan/clutch assembly, and drive removed. The specific steps for removal and installation vary depending on the engine type. Coolant should be added to the specified level and the coolant level checked. Also, it is important to bleed the cooling system of air and check for any coolant leaks around the water pump and hoses.