1999 GMC Sierra 2500 Engine Coolant Thermostat Parts

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8 Cyl 5.3L 8 Cyl 6.0L

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1999 GMC Sierra 2500 Engine Coolant Thermostat 8 Cyl 5.3L Motorad

Fail-Safe Thermostat-187 Degrees
"The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating." Temperature 187F Includes seal with Replacement late model water pump requiring seperate thermostat and housing. Thermostat only. OEM Recommended Temp
Fail-Safe
Product Attributes:
- Installation Tool Included: No
- Sealing Flange Outside Diameter: 2.13
- Flange Thickness: 0.05 In
- Bypass Diameter: 1.46 In
- Gasket/Seal Material: Rubber
- Jiggle Pin Weep Hole: Yes
- Bypass Length: 1.84 In
- Temperature (Degree): 187
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable

This Part Fits the Following OEM/Substitute Numbers:

7456-187, 74561, 97456187, NI, P7456-187, SS187-6547

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1999 - GMC Sierra 2500	V	5328	8 Cyl 5.3L	325

2 In Stock

$30.99 CAD

$37.19 CAD

Brand	Motorad
Part #	C977456-187
Condition	New
Warehouse	B

1999 GMC Sierra 2500 Engine Coolant Thermostat Gates

1999 GMC Sierra 2500 Engine Coolant Thermostat Gates

OE Type
Includes Coolant Outlet Housing and O-Ring. Used On Pumps with Casting # 12562459. If Water Pump Has Been Replaced By 2004 or Newer Pump, Must Also Use 2004 or Newer Inlet.

Additional Fitment Information:

Vehicle
1999 - GMC Sierra 2500

1 In Stock

$53.87 CAD

$64.64 CAD

Brand	Gates
Part #	GAT1686955
Condition	New
Warehouse	A

1999 GMC Sierra 2500 Engine Coolant Thermostat Gates

OE Type
with O-Ring

Additional Fitment Information:

Vehicle
1999 - GMC Sierra 2500

1 In Stock

$19.29 CAD

$23.15 CAD

Brand	Gates
Part #	GAT1783286
Condition	New
Warehouse	A

1999 GMC Sierra 2500 Engine Coolant Thermostat Motorad UltraStats

1999 GMC Sierra 2500 Engine Coolant Thermostat Motorad UltraStats

Additional Fitment Information:

Vehicle
1999 - GMC Sierra 2500

Brand	Motorad UltraStats
Part #	MUL4086751
Condition	New
Warehouse	A

1999 GMC Sierra 2500 Engine Coolant Thermostat 8 Cyl 5.3L Motorad

Thermostat-187 Degrees
Temperature 187F Includes seal with Replacement late model water pump requiring seperate thermostat and housing. Thermostat only. OEM Recommended Temp
Standard
Product Attributes:
- Installation Tool Included: No
- Sealing Flange Outside Diameter: 2.13
- Flange Thickness: 0.05 In
- Bypass Diameter: 1.46 In
- Gasket/Seal Material: Rubber
- Jiggle Pin Weep Hole: Yes
- Bypass Length: 1.84 In
- Temperature (Degree): 187
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable

This Part Fits the Following OEM/Substitute Numbers:

12568911, 12570358, 12581594, 12581595, 12600171, 12600172, 12T121D, 131-143, 131-156, 14948, 1601-290245, 33963, 456-187, 45687, 506-186, 55687, 9456187, P45687...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1999 - GMC Sierra 2500	V	5328	8 Cyl 5.3L	325

Brand	Motorad
Part #	C97456-187
Condition	New
Warehouse	B

1999 GMC Sierra 2500 Engine Coolant Thermostat 8 Cyl 5.3L Motorad

Thermostat-160 Degrees
Temperature 160F Includes seal with Replacement late model water pump requiring seperate thermostat and housing. Thermostat only. Alternate Temp
Standard
Product Attributes:
- Installation Tool Included: No
- Sealing Flange Outside Diameter: 2.13
- Flange Thickness: 0.05 In
- Bypass Diameter: 1.46 In
- Gasket/Seal Material: Rubber
- Jiggle Pin Weep Hole: Yes
- Bypass Length: 1.84 In
- Temperature (Degree): 160
Manufactured with OEM quality materials and safety standards by an OE Supplier. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant.