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- Thermostat-185 Degrees
- Temperature 185F Includes seal OEM Recommended Temp
- Standard
- Product Attributes:
- Sealing Flange Outside Diameter: 2.13
- Flange Thickness: 0.05 In
- Bypass Diameter: 1.18 In
- Gasket/Seal Material: Rubber
- Bypass Length: 1.36 In
- Temperature (Degree): 185
- 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:
12680456, 12T99D, 131-163, 14728, 1601-290243, 33946, 389-195, 447-185, 54785, 9447185, 97241129, QRT57
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | 6599 | Front | 8 Cyl 6.6L | 403 |
- Thermostat-180 Degrees
- Temperature 180F Includes seal OEM Recommended Temp
- Standard
- Product Attributes:
- Sealing Flange Outside Diameter: 2.2
- Flange Thickness: 0.05 In
- Gasket/Seal Material: Rubber
- Temperature (Degree): 180
- 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:
12T100D, 131-131, 14738, 1601-290244, 33947, 390-180, 448-180, 54880, 8973007872, 9448180, 97241130, QRT48
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | 6599 | Rear | 8 Cyl 6.6L | 403 |
- Fail-Safe Thermostat-195 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 195F Includes seal OEM Recommended Temp
- Fail-Safe
- Product Attributes:
- Sealing Flange Outside Diameter: 1.8
- Flange Thickness: 0.05 In
- Bypass Diameter: 0.92 In
- Gasket/Seal Material: Rubber
- Bypass Length: 1.37 In
- Temperature (Degree): 195
- 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:
1601-291001, 7267-195, 76795, 97267195, NI, P7267-195, SS195-7627
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | - | 8 Cyl 8.1L | 496 |
- UltraStat Thermostat-195 Degrees
- Temperature 195F Includes seal OEM Recommended Temp
- UltraStat
- Product Attributes:
- Sealing Flange Outside Diameter: 1.8
- Flange Thickness: 0.05 In
- Bypass Diameter: 0.92 In
- Gasket/Seal Material: Rubber
- Bypass Length: 1.37 In
- Temperature (Degree): 195
- 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:
131121, 45899, 5267-195, 95267195, MU55899, PM195-7625
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | - | 8 Cyl 8.1L | 496 |
- Thermostat-195 Degrees
- Temperature 195F Includes seal OEM Recommended Temp
- Standard
- Product Attributes:
- Sealing Flange Outside Diameter: 1.8
- Flange Thickness: 0.05 In
- Bypass Diameter: 0.92 In
- Gasket/Seal Material: Rubber
- Bypass Length: 1.37 In
- Temperature (Degree): 195
- 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:
10226109, 12559269, 12559575, 12T55E, 131-121, 131-124, 13899, 13899ST, 15899, 1601-24119, 222, 24507563, 267-195, 26795, 33329, 35899, 3899, 9267195...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | - | 8 Cyl 8.1L | 496 |
- Thermostat-180 Degrees
- Temperature 180F Includes seal Alternate Temp
- Standard
- Product Attributes:
- Sealing Flange Outside Diameter: 1.8
- Flange Thickness: 0.05 In
- Bypass Diameter: 0.92 In
- Gasket/Seal Material: Rubber
- Bypass Length: 1.37 In
- Temperature (Degree): 180
- 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:
12T55D, 15898, 1601-291052, 180-762, 267-180, 26780, 3898, 9267180, NI, P3898
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | - | 8 Cyl 8.1L | 496 |
- 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:
- Sealing Flange Outside Diameter: 2.13
- Flange Thickness: 0.05 In
- Bypass Diameter: 1.46 In
- Gasket/Seal Material: Rubber
- 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 |
|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | 5967 | 8 Cyl 6.0L | 364 |
- Thermostat Kit-180 And 185 Degrees
- Temperature 180F & 185F Includes seals Thermostat kit includes front & rear thermostats OEM Recommended Temp
- Standard
- Product Attributes:
- Sealing Flange Outside Diameter: 2.2
- Flange Thickness: 0.05 In & 0.05 In
- Bypass Diameter: 1.18 In & 1.18 In
- Gasket/Seal Material: Rubber
- Temperature (Degree): 180 And 185
- 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:
12T024K, 1601-335239, 4034kt, 447448, 44748, 448744, 54748, 9447448, NI, P44748, QRT2
Additional Fitment Information:
| Vehicle | Block | CC | Position | Engine | CID |
|---|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | 6599 | Cylinder Head | 8 Cyl 6.6L | 403 |
- 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:
- Sealing Flange Outside Diameter: 2.13
- Flange Thickness: 0.05 In
- Bypass Diameter: 1.46 In
- Gasket/Seal Material: Rubber
- 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 |
|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | 5967 | 8 Cyl 6.0L | 364 |
- 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:
- Sealing Flange Outside Diameter: 2.13
- Flange Thickness: 0.05 In
- Bypass Diameter: 1.46 In
- Gasket/Seal Material: Rubber
- 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 |
|---|---|---|---|---|
| 2001 - Chevrolet Silverado 2500 HD | V | 5967 | 8 Cyl 6.0L | 364 |
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