9 Best Thermostats Housings for 2026

A failing thermostat housing starts subtly. Maybe the temperature needle climbs a touch higher on the highway, or you notice a small coolant puddle under the truck after a long drive. The thermostat housing is the bridge between your engine and the radiator, and when it cracks or warps, coolant leaks and your engine runs hot. For shade-tree mechanics and weekend wrenchers, swapping one yourself saves a trip to the shop and gets the cooling system back where it should be.

The nine housings below cover a wide spread of vehicles, from older Chrysler minivans to modern Chevy Silverados and Jeep Wranglers. Materials range from reinforced plastic (lightweight and OE-spec) to CNC-machined aluminum (tough, heat-tolerant, and built for long service life). Fitment matters more than anything here, so always cross-check your year, make, model, and engine before ordering.

The Picks In Brief

PickWhy We Picked ItBest ForAction
Dorman 902-313 Engine Coolant Thermostat Housing
Dependable Option

Dorman 902-313 Engine Coolant Thermostat Housing

Direct OE-style replacement
Chrysler Pacifica owners
Aluminum Thermostat Housing Upgrade for 2001-2005 Ford Explorer
Heat-Tough Upgrade

Aluminum Thermostat Housing Upgrade for 2001-2005 Ford Explorer

CNC-machined 6061-T6 aluminum
Ford Explorer / Ranger owners
Upgrade Aluminium Thermostat Housing for Jeep Dodge V6 3.6L
Trail-Tested Build

Upgrade Aluminium Thermostat Housing for Jeep Dodge V6 3.6L

Aluminum upgrade over plastic
Jeep Wrangler and Grand Cherokee
Dorman 902-318 Engine Coolant Thermostat Housing
Vintage Fit Specialist

Dorman 902-318 Engine Coolant Thermostat Housing

Coverage for older Dodge vans
Early-90s Dodge B-series vans
BDFHYK 902-2090 Thermostat Housing Assembly for GM Trucks
Wide GM Fitment

BDFHYK 902-2090 Thermostat Housing Assembly for GM Trucks

Plastic OE-style construction
Chevy Silverado and Tahoe owners
Thermostat Housing Assembly 68003582AB 902-319 for Chrysler 200
Daily Driver Build

Thermostat Housing Assembly 68003582AB 902-319 for Chrysler 200

Glass-fiber reinforced polymer
Chrysler 200 and Dodge Journey
Aluminium Thermostat Housing Assembly for Chevy Buick 1.4L
Compact-Engine Pick

Aluminium Thermostat Housing Assembly for Chevy Buick 1.4L

Aluminum upgrade for small turbo engines
Chevy Cruze and Buick Encore drivers
Upgrade Aluminum Thermostat Housing Assembly for Chrysler-Dodge-Jeep
Multi-Model Match

Upgrade Aluminum Thermostat Housing Assembly for Chrysler-Dodge-Jeep

Broad Chrysler family coverage
Dodge Caliber and Jeep Compass
BDFHYK 902-2090 Upgrade Aluminium Thermostat Housing for GM Trucks
Heavy Duty Pick

BDFHYK 902-2090 Upgrade Aluminium Thermostat Housing for GM Trucks

Aluminum upgrade for big V8s
Escalade and Sierra 1500 owners

A Deeper Look At The Lineup

If your Chrysler Pacifica or Town & Country from 2007 or 2008 is leaving a coolant spot on the driveway, the Dorman 902-313 is built to slot in as a direct replacement for the original housing. It matches the stock fit on the supported vehicles, which means no wrestling with mismatched bolt holes or a coolant outlet that sits at the wrong angle.

Dorman has a long track record in aftermarket cooling components, and this housing is engineered for the temperature swings a daily-driver minivan sees through summer gridlock and winter cold starts. For most owners, the swap is a straightforward afternoon job with basic hand tools and a drain pan.

Practical Pluses

  • Direct OE-style fit for 2007-2008 Chrysler Pacifica and Town & Country models
  • Designed to handle extreme under-hood temperature changes
  • Backed by Dorman’s established aftermarket cooling catalog
  • Straightforward swap for home mechanics with basic tools

Points To Note

  • Fitment is limited to specific year/model combinations, so confirming the garage tool matters
  • Plastic construction behaves like OE, which means it may not outlast an aluminum upgrade on a high-mileage engine

Who It Suits Best

Owners of a 2007-2008 Chrysler Pacifica or Town & Country who want a no-fuss replacement that mirrors the original part.

Skip It When

You drive a 2001-2005 Ford Explorer or Ranger; the chiying Aluminum Thermostat Housing Upgrade is the better match for those trucks.

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The chiying aluminum housing swaps onto a wide range of Ford and Mazda trucks, covering the 2001-2005 Explorer and Sport Trac, the 2001-2011 Ranger, the 2001-2008 Mazda B4000, and the 2001 Mercury Mountaineer. That spread makes it a useful pick if you’ve got more than one of these trucks in the driveway.

The body is CNC-machined 6061-T6 aluminum (a heat-treated aerospace-grade alloy known for strength and corrosion resistance), which dissipates heat faster than the factory plastic and resists warping. A pre-installed thermostat and seal mean you can bolt it on with basic hand tools in roughly half an hour.

Where It Delivers

  • 6061-T6 aluminum casting that pulls heat away from the coolant faster than plastic
  • Pre-installed thermostat and gasket for a faster install
  • Direct bolt-on replacement for several Ford and Mazda models
  • Resists corrosion and warping in high-temperature conditions

Trade Offs

  • Aluminum costs more than basic plastic replacements
  • Fitment must still be confirmed against your exact year and engine, especially on later Rangers

Feature Snapshot

FeatureSpecificationWhy It Matters
Material6061-T6 CNC-machined aluminumHandles heat cycles that warp plastic housings
OE Cross-ReferenceSK121093, 4L5E-8594-AA, 4L5E-8A586-AB/BBConfirms it lines up with the factory part number
Included ComponentsPre-installed thermostat and sealRemoves a step from the install
Vehicle CoverageExplorer, Ranger, Sport Trac, B4000, MountaineerOne housing covers a family of similar engines

Right Fit For

DIYers with a 2001-2005 Explorer or Ranger who want an aluminum upgrade that outlasts the original plastic part.

Look Elsewhere When

You own a 2011-2015 Grand Cherokee with the 3.6L V6; the chiying Aluminium Thermostat Housing Assembly is the better match.

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The 3.6L Pentastar V6 lives under the hood of a lot of Jeeps and Durangos, and the OE plastic housing on those engines is a known weak point once mileage climbs. The chiying aluminum housing covers the 2011-2015 Grand Cherokee, the 2012-2018 Wrangler (including the JK refresh), and the 2011-2015 Dodge Durango.

Aluminum shrugs off the heat cycles that crack factory plastic, which matters on a Wrangler that sees slow trail speeds and a Grand Cherokee that tows on summer weekends. The housing cross-references to part numbers 902-852, 5184651AH, and 5184651AG, making it easy to match against your original part.

Reasons It Performs

  • Aluminum body resists the cracking and warping common to plastic OE housings
  • Covers Wrangler, Grand Cherokee, and Durango with the 3.6L V6
  • Direct replacement for common OE part numbers like 902-852
  • Helps prevent coolant leaks that lead to overheating on long drives

Less-Strong Areas

  • Limited to the 3.6L V6, so it doesn’t help the 5.7L or V8 trims
  • Verify your exact model year in the garage tool before ordering

Made For

Wrangler and Grand Cherokee owners running the 3.6L Pentastar who want a tougher housing than the factory plastic.

Consider Something Else When

You drive a Chevy Cruze or Buick Encore with the 1.4L turbo; the chiying Aluminium Thermostat Housing Assembly for Chevy Buick is the cleaner match.

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Older Dodge vans don’t always get the aftermarket love they deserve, which is where the Dorman 902-318 earns its spot. It’s engineered to match the fit and durability of the original housing on supported early-1990s Dodge B-series vans, and the direct-replacement design means the bolts line up the way you’d expect.

For a van that’s been on the road for three decades, getting a housing that mirrors the original part is the simplest path back to a sound cooling system. Like the earlier Dorman 902-313, this one is built to handle the temperature swings of a working engine.

Where It Helps

  • Direct OE-style fit for early-1990s Dodge B-series vans
  • Handles extreme temperature changes without early fatigue
  • Dorman aftermarket backing for a part category that has thin support
  • Straightforward swap for shade-tree mechanics

Potential Drawbacks

  • Plastic OE-style construction, similar to the Dorman 902-313 but built for older vehicles
  • Fitment must be confirmed against the specific vehicle trim before ordering

Best Suited To

Owners of an early-1990s Dodge B150 or similar work van who need a faithful replacement for a discontinued OE part.

Where Another Pick Suits Better

Your vehicle is a 2001-2005 Ford Explorer; the chiying Aluminum Thermostat Housing Upgrade handles the Ranger and Explorer family.

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GM’s full-size truck and SUV platform shares a lot of cooling hardware, and the BDFHYK 902-2090 covers a generous slice of it. It fits the 2014-2019 Silverado 1500, the 2015-2020 Suburban and Tahoe, the 2014-2018 Sierra 1500, the 2014-2020 Yukon, and the 2015-2020 Escalade and ESV, with engine compatibility for the 4.3L V6, 5.3L V8, and 6.2L V8.

This is the plastic OE-style assembly (part 902-2090 in plastic form), which mirrors the original part in weight and heat tolerance. If your truck or SUV is still running the factory housing and you want a direct replacement, this one is built to drop in.

Useful Highlights

  • Covers Escalade, Silverado, Sierra, Suburban, Tahoe, and Yukon models
  • Works with the 4.3L V6, 5.3L V8, and 6.2L V8 engine options
  • Replaces OE part numbers including 12674639 and 815-207
  • Plastic construction matches OE weight and behavior

Honest Caveats

  • Plastic housing, not aluminum, so it may not last longer than the factory part under heavy use
  • Confirm your specific trim and engine in the garage tool before ordering

Quick Facts

FeatureSpecificationWhy It Matters
MaterialPlastic (OE-style)Mirrors the original part’s weight and heat behavior
Part Number902-2090 (plastic variant)Easy cross-reference with the OE casting
Engine Coverage4.3L V6, 5.3L V8, 6.2L V8One housing spans GM’s main truck engines
Vehicle Coverage2014-2020 GM full-size trucks and SUVsWide fitment for the GMT K2XX platform

Who Will Love This

Silverado and Sierra owners who want a direct OE-style replacement without paying for an aluminum upgrade.

Swap It Out When

You’d rather upgrade to aluminum; the BDFHYK 902-2090 Upgrade Aluminium Coolant Thermostat Housing Assembly is the sibling pick in this list.

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The 2.4L World Engine under the Chrysler 200, Sebring, and several Dodge and Jeep models has a thermostat housing that takes a beating from heat cycles. The chiying 68003582AB housing is a direct replacement covering the Chrysler 200 and Sebring, the Dodge Avenger, Caliber, and Journey, and the Jeep Compass and Patriot 2.4L models from 2007 onward.

This housing uses a high-grade, glass-fiber reinforced polymer (a plastic blended with short glass strands for added strength and heat resistance). It matches the OE weight and heat tolerance while resisting the warping that plain plastic can develop on a high-mileage engine.

Where It Excels

  • Reinforced polymer holds up better than standard plastic under heat
  • Broad coverage across Chrysler, Dodge, and Jeep 2.4L models
  • Cross-references to multiple OE part numbers for confident fitment
  • Direct fit means no adapter plates or plumbing changes

Soft Spots

  • Still plastic, so it’s not as heat-tolerant as the aluminum sibling pick from the same brand
  • Confirm your exact year and engine trim before ordering

Perfect Match For

Chrysler 200, Dodge Journey, and Jeep Compass owners who want a reinforced replacement that mirrors OE behavior.

Another Choice May Suit

You prefer an aluminum upgrade for the same engine family; the chiying Upgrade Aluminum Engine Coolant Thermostat Housing Assembly is the alternative.

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The turbocharged 1.4L in the Chevy Cruze, Cruze Limited, Sonic, and Trax and the Buick Encore runs hot under load, and the factory plastic housing can crack with age. The chiying aluminum housing for the 1.4L is built to take that punishment, replacing OE part numbers 25200455, 55565336, 55579010, and 55593034.

Fitment spans 2011-2016 Cruze models, 2012-2020 Sonic, 2013-2020 Trax, and 2013-2020 Encore. The aluminum body helps the housing shed heat faster than plastic, which matters on a small turbo engine that sees sustained boost on highway drives.

Strong Points

  • Aluminum upgrade for a small turbo engine that runs hot under load
  • Cross-references to four common OE part numbers
  • Covers Cruze, Sonic, Trax, and Encore 1.4L models
  • Resists the cracking and warping that plastic OE housings develop

Some Limits To Know

  • Only fits the 1.4L gas engine, not the 1.8L or diesel variants
  • Verify your specific year and trim in the garage tool before ordering

Spec Overview

FeatureSpecificationWhy It Matters
MaterialAluminum (upgrade over OE plastic)Handles sustained turbo heat better than plastic
OE Cross-Reference25200455, 55565336, 55579010, 55593034Confirms fitment against the original part
Engine Coverage1.4L L4 gasBuilt specifically for the small turbo engine
Vehicle CoverageCruze, Cruze Limited, Sonic, Trax, EncoreSpans GM’s compact and subcompact turbo lineup

Who Should Grab It

Cruze and Encore drivers with the 1.4L turbo who want a tougher housing than the factory plastic.

Reach For A Different Pick When

You drive a Chrysler 200 or Dodge Journey with the 2.4L; the chiying Thermostat Housing Assembly 68003582AB is built for that engine family.

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Where the reinforced polymer housing covers the 2.4L Chrysler family in OE-style form, this aluminum sibling from the same brand steps up the durability. The chiying aluminum housing fits the 2007-2010 Chrysler Sebring, the 2011-2014 Chrysler 200, the 2009-2017 Jeep Compass, the 2013-2017 Jeep Patriot, the 2007-2012 Dodge Caliber, the 2009-2020 Dodge Journey, and the 2008-2014 Dodge Avenger.

That’s a wide net of mid-2000s to early-2020s Chrysler family vehicles, all sharing the same 2.4L World Engine architecture. Aluminum is less likely to crack or leak than the factory plastic, which helps prevent the kind of low coolant events that can damage an engine on a long trip.

What Works In Its Favor

  • Aluminum body offers better heat tolerance than the OE plastic
  • Cross-references to multiple OE numbers including 902-319 and 68003582AB
  • Covers a broad span of Chrysler, Dodge, and Jeep 2.4L models
  • Helps prevent the cracking and leaking that can lead to costly engine damage

Potential Compromises

  • Costs more than the reinforced plastic alternative from the same brand
  • Confirm your exact year and engine trim in the garage tool before ordering

Built With In Mind

Dodge Caliber and Jeep Compass owners who want an aluminum upgrade for the 2.4L World Engine over the factory plastic.

Not Your Match When

You drive a 2011-2015 Grand Cherokee with the 3.6L V6; the chiying Aluminium Thermostat Housing Assembly is the correct fit.

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Pair this with the earlier BDFHYK 902-2090 plastic housing, and you’ve got the same GM truck platform covered in two materials. The aluminum upgrade fits the 2014-2019 Silverado 1500, the 2014-2018 Silverado 2500, the 2015-2020 Suburban, the 2014-2020 Tahoe, the 2014-2018 Sierra 1500, the 2014-2020 Yukon, and the 2015-2020 Escalade and ESV, with engine coverage for the 4.3L V6, 5.3L V8, and 6.2L V8.

It cross-references to OE part numbers including 12674639 and 15-11125, and the aluminum body handles the heat a 6.2L V8 puts through the cooling system on a tow day. For full-size GM truck and SUV owners who plan to keep their vehicle for the long haul, an aluminum housing is a reasonable upgrade over the OE plastic.

Everyday Perks

  • Aluminum body handles sustained heat from the 5.3L and 6.2L V8s
  • Cross-references to common OE part numbers for confident fitment
  • Replaces both 902-2090 in aluminum form and the plastic variant
  • Covers a wide range of GM full-size trucks and SUVs from 2014-2020

A Few Limitations

  • Costs more than the plastic BDFHYK 902-2090 OE-style housing
  • Verify your specific trim and engine in the garage tool before ordering

Feature Rundown

FeatureSpecificationWhy It Matters
MaterialAluminum (upgrade variant)Better heat tolerance than OE plastic
OE Cross-Reference12674639, 15-11125Confirms fitment against the original casting
Engine Coverage4.3L V6, 5.3L V8, 6.2L V8Spans GM’s main truck and SUV engine options
Vehicle Coverage2014-2020 Silverado, Sierra, Tahoe, Suburban, Yukon, EscaladeWide fitment across the GM full-size platform

Whose Shelf It Belongs On

Escalade and Sierra 1500 owners who plan to keep their truck or SUV long enough to benefit from an aluminum upgrade.

A Better Fit Elsewhere

You want to stay closer to OE plastic and save a few dollars; the BDFHYK 902-2090 Engine Coolant Thermostat Housing Assembly is the sibling pick.

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Choosing The Right Thermostat Housing For Your Engine

A thermostat housing is a small part, but it sits at a critical junction between the engine block and the rest of the cooling system. The right one keeps coolant flowing at the temperature your engine wants, and the wrong one either leaks or throws off your temperature gauge.

Match Fitment First, Material Second

The most important step is confirming the housing fits your specific year, make, model, and engine. Cross-referencing the OE part number on your original housing against the listing’s reference numbers is the fastest way to verify. The garage tool on the product page is helpful, but it can miss trim-level differences, so double-checking by part number is worth the extra minute. Material matters too, but only after fitment is locked down.

Plastic vs. Aluminum Construction

OE thermostat housings are typically molded plastic, which is lightweight and cheap to produce but can warp or crack after years of heat cycles. Aluminum housings cost more but dissipate heat faster and resist the warping that can cause slow leaks. For a vehicle you plan to keep for a long time, or one that sees heavy use (towing, trail driving, sustained highway speeds), aluminum tends to age better.

Real-World Use Scenarios

A daily commuter doing stop-and-go city driving puts different stress on a housing than a weekend tow vehicle hauling a trailer through mountain passes. Trail-driven Wranglers crawl at low speeds, which keeps the cooling system under steady but not extreme load. Knowing your driving pattern helps decide whether a reinforced polymer OE-style housing is enough, or whether an aluminum upgrade is worth the extra spend.

Thermostat Integration and Installation

Some housings ship with a pre-installed thermostat and seal, which removes a step from the install. Others expect you to transfer the thermostat from the old housing. Either way, a fresh gasket and a torque wrench are worth the effort, since over- or under-tightening the bolts is a common cause of small coolant leaks after a swap. The job itself usually takes 30 to 60 minutes with basic hand tools.

Key Considerations Across These Picks

Where Shoppers Go Wrong

The biggest mistake is trusting the garage tool alone without cross-referencing the OE part number stamped on the original housing. Trim-level differences and mid-year production changes can fool the fitment checker. Another common slip is reusing the old gasket with a new housing, which almost guarantees a slow leak. A fresh gasket and proper torque go a long way toward a clean install.

When Paying More Pays Off

The jump from plastic to aluminum costs more upfront, but it pays off on engines that run hot under sustained load. A 6.2L V8 in a Suburban, a 3.6L Pentastar in a Wrangler, or a 1.4L turbo in a Cruze all put more heat through the cooling system than a basic commuter engine. In those cases, the aluminum upgrade is the kind of part you install once and forget about.

Frequently Asked Questions

How do I know which thermostat housing fits my vehicle?

Start with the OE part number stamped on your original housing, then cross-reference it against the part numbers listed on the product page. The garage fitment tool is a good backup, but verifying by part number catches trim-level differences the tool can miss.

Are aluminum thermostat housings better than plastic?

Aluminum handles sustained heat better and resists the warping and cracking that plastic develops over time. Plastic is lighter and cheaper, and for a low-stress daily driver, it can be perfectly adequate. The choice usually comes down to how long you plan to keep the vehicle and how hard you drive it.

Can I install a thermostat housing myself?

Most swaps are within reach of a home mechanic with basic hand tools, a drain pan, and a torque wrench. Plan on 30 to 60 minutes, and always refill and bleed the cooling system according to your vehicle’s service manual before driving.

How do I know my thermostat housing is failing?

A small coolant puddle under the front of the engine, a temperature gauge that climbs higher than usual, or a sweet-smelling coolant smell from the engine bay are common signs. Sometimes a warning light shows up as the engine runs hotter than designed.

Should I replace the thermostat at the same time?

Housings that ship with a pre-installed thermostat make this easy. If your new housing doesn’t include one, swapping the thermostat while you’re in there is a reasonable move, especially on a high-mileage engine, since thermostats are wear items with a similar service life.

Final Verdict

The right thermostat housing comes down to fitment first and material second. For a faithful replacement that mirrors the original part, the Dorman 902-313 and 902-318 cover Chrysler and older Dodge applications, while the BDFHYK 902-2090 plastic housing handles the GM full-size truck platform. For an upgrade that holds up better under sustained heat, the aluminum housings from chiying and the BDFHYK 902-2090 aluminum variant are the picks worth the extra spend. Cross-check your OE part number, grab a fresh gasket, and the swap is a manageable weekend job.

Staff
Staff