Water Pump for 2025 GMC Sierra 2500 HD
No.
Part # / Description / Price
Price
1
Engine Water Pump 
GM
GM Description: ACDelco Engine Water Pump (Part Number: 12680257)Type: Engine Water PumpFunction: Circulates engine coolant to maintain proper engine temperature and support cooling-system performanceNotes: Applications include Silverado/Sierra 6.6L diesel 2500/3500 HD; d ...
MSRP $296.72
$161.71
MSRP $296.72
$161.71
2
Water Pump Cover Seal GM
GM Notes: PARTS: Part included with water pump.
Description: ACDelco Water Pump Cover Seal (Part Number: 12643779) is an O-ring style seal for water pump cover connections designed to maintain a coolant-tight joint. Type: O-ring / water pump cover seal (gasket)Function: Forms a sealed connection for coolant passages ...
MSRP $8.20
$6.14
MSRP $8.20
$6.14
3
8x1.25x59.05 Front Compartment Side Rail Bolt GM
GM Description: GM Genuine Parts 8x1. 25x59. 05 Front Compartment Side Rail Bolt (Part Number: 11562133) is a factory hex head bolt assembly (with flat washer) used in front compartment and battery hold-down applications. Type: Bolt assembly — hex head with flat washer ...
MSRP $9.78
$7.79
MSRP $9.78
$7.79
5
Multi-Purpose Bolt GM
GM Description: ACDelco Multi-Purpose Bolt (Part Number: 11611141) is a double-end stud used for engine component mounting. Type: Double-end stud (STUD-DOUBLE END)Function: Fastens components such as water pumps or accessories to the engine blockApplication note: Commonly ...
MSRP $9.26
$6.94
MSRP $9.26
$6.94
6
Wiper Arm Assembly Nut GM
GM Description: GM Genuine Parts F (S)Nut (Part Number: 94515107) is a brake-pressure module valve bracket nut or fastener used in brake assembly or bracket mounting. It is a small OEM fastener designed to meet factory specifications. Type: Fastener / nut for brake module ...
MSRP $8.48
$6.65
MSRP $8.48
$6.65
7
Thermostat Housing GM
GM Description: 6.6L diesel. Silverado, sierra. 6.6l. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
$213.48
$213.48
7
Water Outlet GM
GM Positions: Upper
Description: Manufactured to GM OE specification for fit, form, and function
MSRP $91.26
$53.33
MSRP $91.26
$53.33
8
Engine Coolant Thermostat Housing Gasket GM
GM Description: GM Genuine Parts Engine Coolant Thermostat Housing Gasket (Part Number: 12643149) is a sealing gasket used between the thermostat housing and engine block to help prevent coolant leakage and maintain system integrity. Type: Thermostat housing gasketFunctio ...
MSRP $9.38
$7.03
MSRP $9.38
$7.03
9
Engine Coolant Thermostat Housing Bolt GM
GM Description: 6.6L diesel. Threads Into Side of Bearing Cap. 8 x 1.25 x 25mm. Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $10.51
$8.38
MSRP $10.51
$8.38
10
Multi-Purpose Stud GM
GM Description: 6.6L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.12
$6.94
MSRP $8.12
$6.94
11
Multi-Purpose Nut GM
GM Description: GM Multi-Purpose Nut (Part Number: 11546365) is a general-purpose fastening nut used in multiple OEM assembly locations. Function: Provides secure fastening for a variety of assembliesUse Case: Commonly used where a reliable threaded fastener is requiredAl ...
$10.63
$10.63
12
By-Pass Pipe GM
GM Description: 6.6L diesel. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $80.00
$46.75
MSRP $80.00
$46.75
13
By-Pass Pipe Seal GM
GM Notes: PARTS: Part included with by-pass pipe.
Description: GM Genuine Parts By-Pass Pipe Seal (Part Number: 12658352) is an O-ring style seal used on the thermostat bypass or coolant bypass pipe—specified for 6.6L diesel applications. Function: Seals the bypass connection to prevent coolant leakage.Application: ...
MSRP $9.26
$6.94
MSRP $9.26
$6.94
14
By-Pass Pipe Gasket GM
GM Description: 6.6L diesel. By-pass pipe,gasket. Bypass Pipe to Water Pump.
MSRP $8.20
$6.14
MSRP $8.20
$6.14
15
Engine Coolant Thermostat GM
GM Description: GM Genuine Parts Engine Coolant Thermostat (Part Number: 12680457) is a factory thermostat assembly designed to regulate engine coolant temperature by controlling coolant flow to the radiator. Built to meet factory temperature and fit specifications (180° ...
MSRP $17.12
$11.97
MSRP $17.12
$11.97
16
Engine Coolant Thermostat GM
GM Description: GM Genuine Parts Engine Coolant Thermostat (Part Number: 12680456) is an engine coolant thermostat assembly that regulates coolant flow through the radiator to help the engine reach and maintain optimal operating temperature. Type: Caps (Coolant & Oil ...
MSRP $16.72
$11.69
MSRP $16.72
$11.69
17
Engine Coolant Thermostat O-Ring GM
GM Notes: PARTS: Part included with thermostat.
Description: GM Genuine Parts Engine Coolant Thermostat O-Ring (Part Number: 12680544) is an OE-quality seal that prevents coolant leakage from the thermostat housing. It is intended to maintain a reliable coolant seal at the thermostat cover. Function: O-ring seal for ...
MSRP $14.00
$9.79
MSRP $14.00
$9.79
19
Engine Coolant Temperature Sensor GM
GM Description: ACDelco Engine Coolant Temperature Sensor (Part Number: 25186240) is a coolant temperature sensor assembly that monitors engine temperature and provides data to the engine control system and driver displays. Type: Emission Control PartsFunction: Measures e ...
MSRP $32.55
$21.15
MSRP $32.55
$21.15
21
Outlet Pipe GM
GM Description: GM Genuine Parts Engine Water Pump Outlet Pipe (Part Number: 12725092) is an OEM outlet pipe that routes coolant from the water pump to the cooling system. It supports reliable coolant flow and system integrity for proper engine thermal management. Functio ...
MSRP $67.74
$39.58
MSRP $67.74
$39.58
22
Water Pump Outlet Pipe Gasket GM
GM Notes: PARTS: Part included with outlet pipe.
Description: GM Genuine Parts Water Pump Outlet Pipe Gasket (Part Number: 12644927) is a replacement gasket intended to seal the water pump outlet pipe for proper coolant containment. Function: Provides a sealing surface between the water pump outlet and pipe to preven ...
MSRP $0.88
$0.66
MSRP $0.88
$0.66
22
Acdelco™ Engine Coolant Pipe O-Ring GM
GM Description: Pipe to Oil Cooler. Outlet pipe,seal. 2017-19 6.6L diesel. 6.6L turbo diesel.
22
Water Pump O-Ring GM
GM Description: ACDelco Water Pump O-Ring (Part Number: 94011702) is an O-ring used to seal coolant passages between the water pump and oil cooler or piping. Function: Seals coolant joint between pump and pipe/oil cooler to prevent leaks.Application: Specified for 6.6L di ...
MSRP $45.19
$26.42
MSRP $45.19
$26.42