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2003 Chevrolet Trailblazer Thermostat Housing

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Replacement Engine Coolant Thermostat Housing Assembly
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Replacement Engine Coolant Thermostat Housing Assembly
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(1 Reviews)
5 Stars
Replacement 121-271
Engine Coolant Thermostat Housing Assembly
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Our List Price: $22.95
with FREE Shipping
(99) In Stock
Part Number: 3741-02548100
Notes: Engine Coolant Thermostat Housing Assembly -- 4.2L 6-Cylinder; Thermostat Housing Assembly
Product Remark: Includes Thermostat
Condition: New

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This Part Fits: Catalog: E
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

API Engine Coolant Thermostat Housing Assembly
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API Engine Coolant Thermostat Housing Assembly
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(Read reviews)
Our List Price: $20.98
(13) In Stock
Part Number: 3741-07329428
Notes: Engine Coolant Thermostat Housing Assembly -- Integrated Housing; 192F; Includes housing, thermostat, and seal; OEM Recommended Temp
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: P
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

DIY Solutions Engine Coolant Thermostat Housing Assembly
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DIY Solutions Engine Coolant Thermostat Housing Assembly
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(Read reviews)
Our List Price: $37.95
with FREE Shipping
(7) In Stock
Part Number: 3741-07800999
Notes: Engine Coolant Thermostat Housing Assembly -- L6 4.2L
Condition: New

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: Q
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

DIY Solutions Engine Coolant Thermostat Housing Assembly
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DIY Solutions Engine Coolant Thermostat Housing Assembly
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(Read reviews)
Our List Price: $85.95
with FREE Shipping
(2) In Stock
Part Number: 3741-07511046
Notes: Engine Coolant Thermostat Housing Assembly -- L6 4.2L
Condition: New

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: Q
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

Dorman Engine Coolant Thermostat Housing Assembly
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Dorman Engine Coolant Thermostat Housing Assembly
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Our List Price: $25.73
(1) In Stock
Part Number: 3741-07939298
Notes: Engine Coolant Thermostat Housing Assembly -- Cover; Includes Thermostat; 180 Degrees Fahrenheit
Features:
  • Directly replaces the original water outlet
  • Specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design
Condition: New

Color Natural
Grade Type Regular
Package Contents 1 Thermostat Housing; 1 Thermostat; 1 O-Ring

Shipping Options:
Ground
This Part Fits: Catalog: N
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

Dorman Engine Coolant Thermostat Housing Assembly
Dorman logo Dorman Engine Coolant Thermostat Housing Assembly Click to Enlarge
(1 Reviews)
5 Stars
Dorman 902-800
Engine Coolant Thermostat Housing Assembly
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Our List Price: $20.18
(14) In Stock
Part Number: 3741-05778843
Notes: Engine Coolant Thermostat Housing Assembly -- Cover; Includes Thermostat; 190 Degrees Fahrenheit
Features:
  • Directly replaces the original water outlet
  • Specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design
Condition: New

Package Contents 1 Water Outlet
Color Natural
Grade Type Regular

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

AC Delco Thermostat Housing
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AC Delco Thermostat Housing
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(Read reviews)
Our List Price: $34.98
(5) In Stock
Part Number: 3741-07658634
Notes: GM Original Equipment -- New; Includes housing and seal
Features:
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: N
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

AC Delco Engine Coolant Thermostat Housing Assembly
AC Delco logo AC Delco Engine Coolant Thermostat Housing Assembly Click to Enlarge
(Read reviews)
Our List Price: $43.43
(52) In Stock
Part Number: 3741-05899307
Notes: GM Original Equipment -- New; THERMOSTAT, SEAL, TO WATER PUMP; INCLUDES THERMOSTAT, HOUSING, SEALS, VALVE, RETAINER AND PIPES
Features:
  • Repairs leaking thermostat housings
  • Corrects engine overheating caused by failed thermostat
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl LL8 VIN: S 

Motorad Thermostat Housing
Motorad logo Motorad Thermostat Housing Click to Enlarge
(Read reviews)
Our List Price: $16.83
(3) In Stock
Part Number: 3741-09257233
Notes: Engine Coolant Thermostat Housing -- Includes housing and seal
Features:
  • Meets or exceeds all OEM standards
  • No special tools required
  • Easy, one step fit and installation
Condition: New

Color Silver

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

Motorad Engine Coolant Thermostat Housing Assembly
Motorad logo Motorad Engine Coolant Thermostat Housing Assembly Click to Enlarge
(Read reviews)
Our List Price: $19.83
(1) In Stock
Part Number: 3741-09203216
Notes: Integrated Housing -- Temperature 192F; Includes housing, thermostat, and seal; OEM Recommended Temp
Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
Condition: New

Color Silver
Temperature 192
Temperature 192
Temperature (Degree) 192

Shipping Options:
Ground
This Part Fits: Catalog: H
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

Hella Thermostat Housing
Hella logo Hella Thermostat Housing Click to Enlarge
(Read reviews)
Our List Price: $26.18
(5) In Stock
Part Number: 3741-05705975
Notes: Behr Thermot-Tronik OEM -- OE Quality
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

AC Delco Thermostat Housing
AC Delco logo AC Delco Thermostat Housing Click to Enlarge
(Read reviews)
Our List Price: $28.43

Out of Stock
Part Number: 3741-05877411
Notes: GM Original Equipment -- New; Includes housing and seal
Features:
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
Condition: New

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

Dorman Engine Coolant Thermostat Housing Assembly
Dorman logo Dorman Engine Coolant Thermostat Housing Assembly Click to Enlarge
(Read reviews)
Our List Price: $21.18

Out of Stock
Part Number: 3741-05798794
Notes: Engine Coolant Thermostat Housing Assembly -- Cover; Includes Thermostat; 160 Degrees Fahrenheit
Features:
  • Directly replaces the original water outlet
  • Specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design
Condition: New

Color Natural
Grade Type Regular
Package Contents 1 Gasket; 1 Thermostat; 1 Thermostat Housing

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

Dorman Engine Coolant Thermostat Housing Assembly
Dorman logo Dorman Engine Coolant Thermostat Housing Assembly Click to Enlarge
(Read reviews)
Our List Price: $22.18

Out of Stock
Part Number: 3741-05855844
Notes: Engine Coolant Thermostat Housing Assembly -- Cover; Includes Thermostat; 180 Degrees Fahrenheit
Features:
  • Directly replaces the original water outlet
  • Specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design
Condition: New

Color Natural
Grade Type Regular
Package Contents 1 Thermostat Housing; 1 Thermostat; 1 O-Ring

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

Motorad Engine Coolant Thermostat Housing Assembly
Motorad logo
Motorad Engine Coolant Thermostat Housing Assembly
Click to Enlarge
(Read reviews)
Our List Price: $25.73

Out of Stock
Part Number: 3741-07493646
Notes: Integrated Housing -- Temperature 160F; Includes housing, thermostat, and seal; Alternate Temp
Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
Condition: New

Temperature (Degree) 160

Shipping Options:
Ground
This Part Fits: Catalog: C
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

Motorad Engine Coolant Thermostat Housing Assembly
Motorad logo Motorad Engine Coolant Thermostat Housing Assembly Click to Enlarge
(Read reviews)
Our List Price: $30.43

Out of Stock
Part Number: 3741-05804958
Notes: Integrated Housing -- Temperature 180F; Includes housing, thermostat, and seal; Alternate Temp
Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
Condition: New

Temperature (Degree) 180

Shipping Options:
Ground
This Part Fits: Catalog: B
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl 

SKP Engine Coolant Thermostat Housing Assembly
SKP logo
SKP Engine Coolant Thermostat Housing Assembly
Click to Enlarge
(Read reviews)
Our List Price: $24.98
with FREE Shipping

Out of Stock
Part Number: 3741-07465473
Notes: Engine Coolant Thermostat Housing Assembly -- Cover; Includes Thermostat; 190 Degrees Fahrenheit
Features:
  • Built with high-quality materials
  • OE Style for easy replacement and fitment
Condition: New

Shipping Options:
Free Ground Shipping
This Part Fits: Catalog: S
Vehicle Engine
2003 Chevrolet Trailblazer 4.2L 6 Cyl