Best Automotive Replacement Thermostat Housing Caps in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Automotive Replacement Thermostat Housing Caps

Dorman 902-3036 Engine Coolant Thermostat Housing Assembly Compatible with Select Models
#TOP1
Dorman 902-3036 Engine Coolant Thermostat Housing Assembly Compatible
9.8
PM SCORE
Dorman 902-700 Engine Coolant Thermostat Housing Assembly Compatible with Select Models
#TOP2
Dorman 902-700 Engine Coolant Thermostat Housing Assembly Compatible
9.6
PM SCORE
Dorman 902-2009 Engine Coolant Thermostat Housing Compatible with Select Models
#TOP3
Dorman 902-2009 Engine Coolant Thermostat Housing Compatible With
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Automotive Replacement Thermostat Housing Caps of 2026

Market Overview
Automotive Replacement Thermostat Housing Caps Reviewed
  • Reviews Analyzed: 4223 Items
  • PM Avg. Rating: 7.2 / 10
19 Products Evaluated
  • Highest Price: $46.95
  • Lowest Price: $5.92
  • Avg. Price: $18.55

Dorman 902-3036 Engine Coolant Thermostat Housing Assembly Compatible With Select Models

DORMAN
902-3036
5.60 X 3.60 X 3.10 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Ideal replacement - this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models

Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking

Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer

Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housing assemblies

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Dorman 902-700 Engine Coolant Thermostat Housing Assembly Compatible With Select Models

DORMAN
902-700
3.18 X 3.58 X 5.23 Inches
0.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Ideal replacement - this engine coolant thermostat housing assembly directly replaces the original water outlet on specified vehicle years, makes and models

Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking

Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer

Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housing assemblies

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Dorman 902-2009 Engine Coolant Thermostat Housing Compatible With Select Models

DORMAN
902-2009
3.78 X 2.76 X 4.72 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models

Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking

Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer

Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housings

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Dorman 902-694 Engine Coolant Thermostat Housing Compatible With Select Models

DORMAN
902-694
3.78 X 2.76 X 3.74 Inches
0.42 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models

Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking

Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer

Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housings

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage

#TOP5

X Autohaux Car Auto Thermostat Housing 5184977Ae 5184977Ad For Dodge Charger 2011-2018

X AUTOHAUX
A19110700UX0093
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

OE Number: 5184977AE, 5184977AD

Fit for Dodge Charger 3.6L 2011-2018, for Dodge Challenger 3.6L 2011-2018, for Chrysler 300 3.6L 2011-2018

Opening temperature is 95℃. Assembly includes: 1 x thermostat, 1 x gasket, 1 x housing.

Brand new and never been used. Directly replace the old one and easy installation.

Please check the Fit for and OE number carefully before purchasing.

Dorman 902-2014 Engine Coolant Thermostat Housing Compatible With Select Models

DORMAN
902-2014
5.63 X 3.63 X 3.13 inches
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models

Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking

Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer

Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housings

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage

Dorman 902-1001 Engine Coolant Thermostat Housing Compatible With Select Ford / Lincoln / Mercury Models

DORMAN
902-1001
4.20 X 4.20 X 4.20 Inches
0.55 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models

Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking

Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer

Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housings

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

Ocpty Thermostat Housing Assembly Engine Coolant Thermostat Housing Assembly For 2011-2016 For Chevy Cruze Limited 1.4L 55565336 55579010 902-808

OCPTY
104658-5209-1747412001
5.00 X 3.78 X 3.15 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
OCPTY 9.78

Features

Fit for:2013-2017 for Buick Encore,2011-2016 for Chevrolet Cruze,2016 for Chevrolet Cruze Limited,2012-2017 for Chevrolet Sonic,2013-2017 for Chevrolet Trax

Installation: Direct replacement,Easy installation and High sealing.

Interchange Part Number:55565336 55579010 55593034 34709 902-808 730-221

Feature:Made of high quality materials,It will get the engine to heat up to its optimum temperature as quickly as possible, and then keep the engine at its optimum temperature.

Perfect fit Warranty:for According to the original factory specifications.Perfect match for the original car.One year warranty.

Evil Energy Thermostat Housing Kit Assembly, 2L2Z8592Aa, Compatible With 2002-2010 Ford Explorer Sport & Mercury Mountaineer V6 4.0L

EVIL ENERGY
EV04371BK
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EVIL ENERGY 9.94

Features

[Replace OE Part Number] 2L2Z8592AA, 2L2Z8592BA, 2L2Z8592BB, 6L2Z8592FA.

[Fitment] Engine coolant thermostat housing compatible with 2002-2010 Ford Explorer V6 4.0L, compatible with 2002-2003 Ford Explorer Sport V6 4.0L, compatible with 2007-2010 Ford Explorer Sport Trac V6 4.0L, compatible with 2002-2010 Mercury Mountaineer V6 4.0L.

[Operating temperature] The thermostat housing kit opening temperature: 197.6 °F/92℃.

[Function] Thermostat housing can reduce enginer wear, deposits and emissions by adjusting the amount of coolant into the radiator until the engine works in a suitable temperature.

[Warranty] EVIL ENERGY provide this product 6-month warranty. Any problem you might have, please feel free to contact us via Amazon message.

A-Team Performance - Water Neck Thermostat Housing Straight Up Style Polished - Compatible With Sbc Bbc Chevy Chevrolet Hot Rod Rat Rod 283 302 305 327 350 383 396 427 454 502

A-TEAM PERFORMANCE
8457
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Southwest Performance Parts 9.72

Features

Water Neck Thermostat Housing Straight Up Style Polished

Compatible with SBC BBC Chevy Chevrolet Hot Rod Rat Rod 283 302 305 327 350 383 396 427 454 502

Polished Aluminum Water Neck

Straight-up design for center out radiators

Comes with 2 stainless steel Allen bolts and O-ring gasket

Engine Thermostat Housing With Sensor Assembly Replacement For Ford Explorer Ranger Mazda B4000 Mercury Mountaineer

YHTAUTO
YHTTHA0003
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
YTAUTOPARTS 9.92

Features

YHTAUTO Affordable and Prime Thermostat Housing Assembly, Directly Fit

Replacement for Ford Explorer 2000-2001, Explorer Sport Trac 2001-2005, Ranger 2001-2011---V6 4.0L, with Housing Sensor

Replacement for Mazda B4000 2001-2008; Mercury Mountaineer 2000-2001---V6 4.0L, with Housing Sensor

Color/Finish: Black; Gasket or Seal Included: No; Thermostat Included: Yes; Mounting Hole Quantity: 3

Reference Number: 4L5E-8594-AA, 4L5E-8A586-BB, 4L5E-8A586-AB

#TOP12

Motoall 19320-Pna-003 Engine Coolant Thermostat Housing Case For Honda Civic Honda Cr-V

MOTOALL
19320-PNA-003
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MOTOALL 9.89

Features

Replace Part Number: 19320-PNA-003, 19320PNA003

For 2003-2010 Honda Accord,2006-2015 Honda Civic,2007-2014 Honda CR-V,2003-2011 Honda Element

POWERFUL FUNCTION - Retains the thermostat to monitor the flow of coolant through your vehicle's engine and radiator.

Package Including: 1 x Thermostat Housing Assembly

#TOP13

X Autohaux Car Auto Thermostat Housing 5184570Ah 7B012111 For Chrysler Town Country 11-16

X AUTOHAUX
A19110700UX0094
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

OE Number: 5184570AH, 7B012111

Fit for Chrysler Town Country 2011-2016, for Dodge Avenger 2011-2014, for Dodge Grand Caravan 2011-2018, for Dodge Journey 2011-2018

Opening temperature is 95℃. Assembly includes: 1 x thermostat, 1 x gasket, 1 x housing.

Brand new and never been used. Directly replace the old one and easy installation.

Please check the Fit for and OE number carefully before purchasing.

Haruma 11537509227 Engine Coolant Thermostat Housing Assembly 1999-2006 For Bmw 323Ci 323I 325I 325Xi 528I 530I X3 X5 Z3 Z4, Replace 11530139877

HARUMA
TMH8005
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Haruma Autoparts 9.40

Features

【Fitment】2000 for BMW 323Ci, 1999-2000 for BMW 323i, 2001-2006 for BMW 325Ci, 2001-2005 for BMW 325i, 2001-2005 for BMW 325Xi, 2000 for BMW 328Ci, 1999-2000 for BMW 328i, 2001-2006 for BMW 330Ci, 2001-2005 for BMW 330i, 2001-2005 for BMW 330Xi, 1999-2000 for BMW 528i, 2001-2005 for BMW 530i, 2004-2006 for BMW X3, 2001-2006 for BMW X5, 1999-2002 for BMW Z3, 2003-2005 for BMW Z4

【Quality & Performance】Each of HARUMA Thermostat Housing uses the highest quality materials and the latest technology to achieve the highest production standards. HARUMA is committed to providing customers with the highest level of quality and performance.

【Installation】Easy to install. Bolt-on repair solution and requires no special tools during installation

【Warranty】1 year warranty.

【Note】Please check the part number before buying. If you cannot make sure whether this part will fit, please feel free to contact us or send some pictures of your original item.

X Autohaux Engine Coolant Thermostat Housing Water Inlet Assembly 15-11057 12600172 15-10412 For Chevy Silverado Suburban Tahoe For Cadillac Escalade For Gmc Sierra Yukon Suburban Silver Tone

X AUTOHAUX
A22020800UX0091
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
uxcell 9.95

Features

[OE Number] 15-11057 1511057 12600172 15-10412. For GMC Yukon XL1500 XL2500 04-06, for GMC Savana 1500 2500 3500 04-06, for GMC Envoy XL XUV 04-07, for GMC Sierra 1500 99-07, for GMC 1500 HD 01-06, for GMC Classic HD Classic 07, for GMC Sierra 2500 99-04, for GMC 2500 HD 01-07, for GMC HD Classic 07, for GMC Sierra 3500 01-06, for GMC 3500 HD Classic 07. For Buick Rainier 04-07. For Cadillac CTS 04-05 2007, for Cadillac Escalade ESV EXT 04-06. For Hummer H2 04-06. For Chevy Camaro 98-02.

[Fitment] For Chevrolet Avalanche 1500 2500 04-06, for Chevy Express 1500 2500 3500 04-06, for Chevy Suburban 1500 2500 04-06, for Chevy Tahoe 04-06, for Chevy Trailblazer 06-07, for Chevy Trailblazer EXT 04-06, for Chevy Silverado 1500 99-07, for Chevy 1500HD 01-06, for Chevy 2500HD 01-07, for Chevy HD Classic 07, for Chevy 3500 01-06, for Chevy 3500 HD Classic 07, for Chevy Corvette 04-08. For Pontiac G8 08-09, for Pontiac GTO 04-06.

[Function] Repairs leaking thermostat housings. Repair engine overheating/overcooling, check engine light CEL, engine hiccups or other problem caused by failed thermostat. Replace this coolant thermostat housing assy to provide a safe driving. It will regulates the flow of the coolant going through the radiator to keep the engine stay in stable operating temperature levels.

[Features] Integrated thermostat housing assembly adopting solid quality materials for strong stability, long lasting durability, and tight seal, avoid cracks on tube or gasket. Plug and play to meet original performance, provide a no-hassle installation and a leak free cooling system, reduces engine wear, deposits and emissions.

[Package] Includes 1x Engine Coolant Thermostat with water inlet housing, 1x O Ring Seal attached. Please confirm car make, mode, year and oe number before purchase. Check relevant replace video when you in doubt.

#TOP16

Boxi Thermostat Housing Kit Assembly Replacement For 2002 2003 2004 2005 2006 Acu-Ra Rsx / 2003 2004 2005 Hon-Da Civic Si / 2002 2003 2004 2005 2006 Hon-Da Cr-V (Replaces 19301-Pna-003 33949)

BOXI
BX00500025-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BOXI Auto Parts 9.93

Features

Part numbers: 19301-PNA-003, 19301PNA003, 1430814, 33949, 902-5131, TI24178

2002-2006 Acu-ra RSX Base Coupe 2-Door, 2002-2006 Acu-ra RSX Type-S Coupe 2-Door, 2003-2005 Hon-da Civic Si Hatchback 3-Door, 2002-2003 Hon-da CR-V Base Sport Utility 4-Door, 2002-2006 Hon-da CR-V EX Sport Utility 4-Door, 2005-2006 Hon-da CR-V EX-L Sport Utility 4-Door, 2002-2006 Hon-da CR-V LX Sport Utility 4-Door, 2005-2006 Hon-da CR-V SE Sport Utility 4-Door.

Package includes:1 * Coolant Thermostat Housing Assembly (includes Thermostat+Housing+Gasket).

1 Year Warranty

IMPORTANT NOTE - Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchasing. If you don't make sure whether this item fit your vehicles, please message us.

Dorman 902-2016 Engine Coolant Thermostat Housing Compatible With Select Models

DORMAN
902-2016
7.50 X 5.40 X 5.50 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models

Durable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking

Cost-effective and reliable - offers original manufacturer quality at lower cost than getting replacement at dealer

Industry-leading design - professionally engineered by the aftermarket leader in replacement thermostat housings

Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the Amazon Garage

A-Team Performance - Thermostat Housing 45° Swivel Polished Water Neck - Compatible With Chevrolet Sbc Bbc Small Block Big Block Chevy 283 302 305 327 350 383 396 427 454 502

A-TEAM PERFORMANCE
8455
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Southwest Performance Parts 9.71

Features

Thermostat Housing 45° Swivel Polished Water Neck

Compatible with Chevrolet SBC BBC Small Block Big Block Chevy 283 302 305 327 350 383 396 427 454 502

Polished Aluminum Water Neck

45° Swivel Polished Water Neck

Comes with 2 Stainless Steel Allen Bolts and O-Ring Gasket

A-Team Performance - 90° Swivel Polished Water Neck Thermostat Housing - Compatible With Chevrolet Sbc Bbc Small Block Big Block Chevy Engines 283 302 305 327 350 383 396 427 454 502

A-TEAM PERFORMANCE
8456
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Southwest Performance Parts 9.71

Features

90° Swivel Polished Water Neck Thermostat Housing

Compatible With SBC & BBC Chevy Engines 283 302 305 327 350 383 396 427 454 502

High Quality - Polished aluminum finish

Neck Style - 90º Swivel Aluminum Water Neck

Comes With - 2 Stainless Steel Allen Bolts and O-Ring Gasket

Top 10 automotive replacement thermostat housing caps Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Dorman 7
A-Team Performance 3
X Autohaux 3
Boxi 1
Evil Energy 1
Haruma 1
Motoall 1
Ocpty 1
Yhtauto 1

Top 10 automotive replacement thermostat housing caps Brands Pie Chart


We've carried out a comprehensive analysis of 4,223 reviews on automotive replacement thermostat housing caps, using our selection criteria to identify the best options in the automotive replacement parts. Our findings reveal that most customers typically select automotive replacement thermostat housing caps priced around $18.55, with top brands including a-team performance, stant, dorman, x autohaux, sixity auto and boxi and motoall

Our team of expert editors reviewed these high-quality items and handpicked the top 19 automotive replacement thermostat housing caps for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive replacement parts category. These include southwest performance parts, retailstoresupply, amazon.com, autoplus auto parts, uxcell, sixity auto and boxi auto parts and motoall .

We are dedicated to assisting our users in finding the right housings Products based on their needs, saving them considerable time when choosing which automotive replacement thermostat housing caps to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.