Contact Us
Live Chat
or
1-888-220-8330
Search Bar
Search by Part Number or Keywords
My Garage
My Account
Cart
Body & Mirrors
Chassis & Brakes
Engine & Drivetrain
Electrical & Lighting
Help Center
< Back
×
Live Chat
1-888-220-8330
Body & Mirrors
Chassis & Brakes
Engine & Drivetrain
Electrical & Lighting
Login/Register
My Account
Track Order
Help Center
Contact Us
Home
>
Avalanche 2500
>
2003
>
Engine & Drivetrain
>
Cooling Systems, Fans, Radiators & Components
>
Thermostat
2003 Chevrolet Avalanche 2500 Thermostat
My Vehicle
Change Vehicle
2003 Chevrolet Avalanche 2500
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Cooling Systems, Fans & Radiators
Department
OE
Replacement
Brands
Gates
STANT
Prices
$19.99 and under
$20 to $39.99
$40 to $99.99
$100 and over
6 Products found
Show Item:
30
60
90
Sort by:
Recommended
Filter
Sort
View by
View Related Parts
OEM (Genuine)
2003 Chevrolet Avalanche 2500 Thermostat Unit
PartNumber:
12571261
FITS YOUR VEHICLE
Product Specifications
Notes:
5.3, 6.0 Liter
Other Names:
Thermostat Housing, Thermostat Unit
Item Dimensions:
6.5 x 4.3 x 4.2 inches
Item Weight:
1.10 Pounds
Fitment Type:
Direct Replacement
Replaces:
12561157, 12562740
Part Description:
Thermostat Unit
More Info
$41.61
MSRP:
$78.51
You Save: $36.90 (48%)
Add to Cart
Gates®
Premium Engine Coolant Thermostat for 2003 Chevrolet Avalanche 2500
PartNumber:
33329S
FITS YOUR VEHICLE
Product Specifications
Notes: 195 Degree; OE Temperature; Seal included
By-Pass Flange Diameter: 0.92"
Depth from Flange: 1.39"
Design: Bottom By-Pass
Flange Diameter: 1.72"
Height from Flange: 0.89"
Includes Installation Tool: No
Jiggle Pin/Check Valve: No
Material: Stainless Steel, Copper
Number of Gaskets: 0
Number of Seals: 1
Seal Type: O-Ring
Temperature (C): 90
Temperature (F): 195
Total Height: 2.2"
Type: Premium Thermostat
UPC: 072053298642
Part Description: Premium Engine Coolant Thermostat
More Info
$13.29
Add to Cart
View Related Parts
OEM (Genuine)
2003 Chevrolet Avalanche 2500 Thermostat
PartNumber:
12559575
FITS YOUR VEHICLE
Product Specifications
Notes:
All Models; 8.1l; 8.1 Liter
Other Names:
Thermostat
Item Dimensions:
3.2 x 2.1 x 2.0 inches
Item Weight:
0.70 Pounds
Fitment Type:
Direct Replacement
Replaces:
12559573, 10210450, 12559269
Part Description:
Thermostat
More Info
$17.91
MSRP:
$33.78
You Save: $15.87 (47%)
Add to Cart
Gates®
Oe Type Engine Coolant Thermostat for 2003 Chevrolet Avalanche 2500
PartNumber:
33329
FITS YOUR VEHICLE
Product Specifications
Notes: 195 Degree; OE Temperature; Seal included
By-Pass Flange Diameter: 0.92"
Depth from Flange: 1.3"
Design: Bottom By-Pass
Flange Diameter: 1.73"
Height from Flange: 0.75"
Includes Installation Tool: No
Jiggle Pin/Check Valve: No
Material: Steel, Copper
Number of Gaskets: 0
Number of Seals: 1
OE Comparison Rating: OE Performance
Seal Type: O-Ring
Temperature (C): 91
Temperature (F): 195
Total Height: 2.07"
Type: OE Type Thermostat
UPC: 072053024562
Part Description: Oe Type Engine Coolant Thermostat
More Info
$8.15
Add to Cart
STANT®
Premium Engine Coolant Thermostat for 2003 Chevrolet Avalanche 2500
PartNumber:
45899
FITS YOUR VEHICLE
Product Specifications
Notes: Temperature 195 Degrees; Seal Included Seal Included; OE Temperature
Bypass Plate Diameter (in): 0.92
Flange Diameter (With Seal) (in): 1.9
Flange Diameter (Without Seal) (in): 1.725
Freight Class: 70
Height from Flange to Bottom (in): 1.34
Height from Flange to Top of Bridge (in): 0.87
Temperature (F): 195 Degrees
UPC: 333420631432
Part Description: Premium Engine Coolant Thermostat
More Info
STANT®
OE Type Engine Coolant Thermostat for 2003 Chevrolet Avalanche 2500
PartNumber:
13899
FITS YOUR VEHICLE
Product Specifications
Notes: Temperature 195 Degrees; Seal Included Seal Included; OE Temperature
Bypass Plate Diameter: 0.92"
Flange Diameter (With Seal): 1.9"
Flange Diameter (Without Seal): 1.72"
Height from Flange to Bottom: 1.34"
Height from Flange to Top of Bridge: 0.78"
OE Part Number: 10115785, 12559575, 10210450, 10226109, 3091114, 10115787, 12559573, 24507563, 10182376, 12559269, 10182343
Temperature (F): 195 Degrees
UPC: 033342038998
Part Description: OE Type Engine Coolant Thermostat
More Info