1999 GMC Sierra 2500 Engine Coolant Thermostat Parts
Choose your Engine for your 1999 GMC Sierra 2500
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- 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 If Water Pump Has Been Replaced By 2004 or Newer Pump, Must Also Use 2004 or Newer Inlet.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 |
Additional Fitment Information:
| Vehicle |
|---|
| 1999 - GMC Sierra 2500 |
- 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 |
- 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 |
- 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.
This Part Fits the Following OEM/Substitute Numbers:
14946, 160-654, 364-160, 456-160, 45660, 55660, 9456160
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1999 - GMC Sierra 2500 | V | 5328 | 8 Cyl 5.3L | 325 |
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