The Dorman 902-689 engine coolant thermostat housing is presented as a cost-effective aluminum replacement for select Chrysler and Dodge models. It measures 3.94 x 2.76 x 3.74 inches, weighs 8 ounces, resists corrosion and thermal stress, and includes a 30-day warranty; installation is straightforward for a DIYer, but torque specs and seal condition matter. What real-world fitment issues or longevity trade-offs should a buyer expect next?
Key Takeaways
- Replacement aluminum thermostat housing for Chrysler/Dodge, compact and lightweight at 8 ounces.
- Durable cast-aluminum resists thermal cycling and corrosion, reducing crack and leak risks.
- Fits specific models using OEM numbers 53021536AB/AC; verify compatibility via VIN before purchase.
- Installation is user-friendly: clean mating surface, replace gasket, use correct torque, and pressure-test to 15 psi.
- High customer satisfaction (4.8/5 from 378 reviews) and cost-effective alternative with a 30-day return policy.
Product Features and Specifications
The Dorman 902-689 Engine Coolant Thermostat Housing presents a compact, aluminum replacement designed for direct fit on specified Chrysler and Dodge applications; it measures 3.94 x 2.76 x 3.74 inches and weighs 8 ounces.
The product design emphasizes durability and straightforward function, while material quality — cast aluminum — resists thermal stress and corrosion.
The design focuses on durable, straightforward function, with cast aluminum resisting thermal stress and corrosion
What does it include? A single housing, OEM-equivalent mounting points, and compatible porting.
Practical specs: OEM part numbers listed, 8 oz weight, specific dimensions.
Considerations: verify part numbers for match, note aluminum thermal conductivity, expect consistent sealing surfaces for gasket compatibility.
Fitment, Installation, and Performance
Few parts influence cooling system reliability as directly as the thermostat housing, so fitment and installation deserve careful attention.
The Dorman 902-689 fits specified Chrysler/Dodge models; a fitment guide is essential — confirm year, make, model, trim, and OEM numbers (53021536AB/AC).
Installation tips: torque specs, gasket surface prep, and 8 oz weight make handling simple. Performance is consistent: proper sealing prevents leaks, aluminum resists thermal cycling.
- Verify compatibility via VIN or Amazon garage tool.
- Clean mating surface, replace gasket.
- Use correct torque and new fasteners.
- Pressure-test cooling circuit to 15 psi.
Value, Durability, and Customer Feedback
After confirming fitment and proper installation, attention shifts to how the Dorman 902-689 performs over time and whether it represents good value for money. The housing’s aluminum build, 3.94 x 2.76 x 3.74 inches and 8 ounces, supports durability against temperature cycles, resisting cracks and leaks. Cost efficiency is notable versus dealer parts. Customer satisfaction averages 4.8/5 from 378 reviews. Practical question: will it last? Likely yes, with normal use and correct installation. Consider warranty: 30-day return. Summary table below compares key traits.
| Attribute | Detail |
|---|---|
| Material | Aluminum |
| Size | 3.94 x 2.76 x 3.74 in |
| Weight | 8 oz |
| Rating | 4.8/5 |
| Warranty | 30-day return |
Frequently Asked Questions
Does This Housing Include a Thermostat or Gasket?
No — ironically, the housing arrives without a thermostat or gasket. The description emphasizes thermostat features are absent; gasket compatibility must be handled separately. Buyers should procure correct thermostat and gasket to guarantee proper fit and seal.
Is the Part Compatible With Left- or Right-Hand Drive Vehicles?
Yes; the part exhibits left hand compatibility and right hand compatibility generally across listed vehicle models. The responder notes fitment depends on specific make, model, and trim, and recommends verifying with the Amazon garage tool.
Does Dorman Offer a Replacement Under Warranty Beyond 30 Days?
No; warranty policies indicate only a 30-day return guarantee through Amazon, though Dorman’s broader warranty policies and replacement options may be available via Dorman or seller channels—customers should contact Dorman or the retailer for extended coverage.
Can This Housing Be Used With Aftermarket Coolant Sensors?
Yes; aftermarket compatibility is generally supported, though alignment and thread size should be confirmed. He notes sensor installation may require adapter or seal changes, and recommends verifying fitment and testing for leaks before finalizing.
Is Any Adapter Required for Different Radiator Hose Sizes?
No adapter is typically required; the thermostat housing fittings match factory radiator hose sizes for intended applications, so radiator hose compatibility depends on vehicle fitment. Users should verify OEM hose dimensions before installation to guarantee proper sealing.
