OMC 910178 Litre Themostat Housing 4.3

( Manufacturer Part Number: 910178 ), ( Part Type: Housing )

Review OMC 4.3 Litre Themostat Housing fits COBRA

The **OMC 910178 Cobra 4.3L Thermostatic Housing** is a meticulously engineered, high-performance component designed to elevate the efficiency and reliability of the iconic Ford Cobra 4.3L engine, particularly those found in models like the Mustang GT and SVT Cobra. Crafted from durable, precision-machined aluminum, this thermostatic housing is built to withstand the intense thermal and mechanical stresses of high-output applications while ensuring optimal coolant flow and temperature regulation. The housing features a robust, threaded design that seamlessly integrates with the engine s existing cooling system, providing a secure and leak-proof connection to the water pump and thermostat assembly. Its internal passages are carefully contoured to promote laminar coolant flow, reducing turbulence and minimizing pressure drops, which is critical for maintaining consistent engine temperatures especially under heavy loads or in demanding driving conditions. The thermostat housing is also engineered to accommodate the OMC 910177 thermostat, a high-performance unit that opens at a precise temperature to prevent overheating while allowing the engine to reach optimal operating temperatures quickly, enhancing throttle response and fuel efficiency. Whether used in street applications, track days, or high-performance builds, this thermostatic housing is a vital upgrade for enthusiasts seeking to refine their engine s cooling dynamics and longevity. Its compatibility with aftermarket cooling systems and performance-oriented modifications makes it an indispensable part of any serious Cobra 4.3L upgrade package.

### **Pros and Cons of buying a OMC 910178 Cobra 4.3L Thermostatic Housing**

1. **Direct Fitment** The part is specifically designed for the Ford Cobra 4.3L engine, ensuring compatibility without modifications. This reduces the risk of installation errors and ensures proper function.

2. **Quality Construction** OMC (Original Motor Company) is a trusted brand known for manufacturing high-quality aftermarket automotive parts. Their thermostatic housings are built to last and often meet or exceed OEM standards.

3. **Improved Cooling Efficiency** A properly functioning thermostatic housing helps regulate engine temperature, preventing overheating and extending engine life. This part is critical for maintaining optimal coolant flow.

4. **Easy Installation** Since it s a direct replacement, the installation process is straightforward for those with basic mechanical skills. It typically requires draining coolant, removing the old housing, and installing the new one with a new gasket.

5. **Cost-Effective Solution** Compared to replacing the entire cooling system or waiting for a failing thermostat to cause major damage, this part is a relatively inexpensive fix that can save money in the long run.

6. **Compatibility with Aftermarket Upgrades** If you ve modified your Cobra (e.g., forced induction, high-performance cooling), this housing may be necessary to handle increased heat loads.

7. **Warranty Coverage** OMC parts often come with warranties, providing peace of mind in case of defects or premature failure.

1. **Potential for Counterfeit Parts** Since OMC parts are widely available, there s a risk of purchasing a fake or low-quality replica, especially from untrusted sellers. Always buy from reputable dealers or authorized distributors.

2. **Installation Challenges** If the engine bay is tight or the housing is corroded, removal and installation can be difficult, requiring extra tools (e.g., a puller for stubborn bolts) or professional help.

3. **Coolant Leaks** If the gasket is not properly seated or the housing is cracked, leaks can occur, leading to coolant loss and potential overheating. Always use a high-quality gasket and ensure a clean sealing surface.

4. **Compatibility with Modified Systems** If your Cobra has extensive cooling modifications (e.g., custom radiators, alternative coolant types), the stock thermostatic housing may not perform optimally. In such cases, an upgraded aftermarket housing might be better.

5. **Limited Availability of Spare Parts** If the housing fails again shortly after installation, finding an exact replacement may be harder than for more common parts.

6. **Thermostat Replacement Required** The housing typically comes without a thermostat, meaning you ll need to purchase one separately (e.g., OMC 910178 thermostat or a high-performance alternative).

7. **Potential for Overheating if Faulty** A defective housing can cause the engine to run too hot, leading to damage if not addressed promptly. Always test the system after installation.

---

### **Conclusion**

The **OMC 910178 Cobra 4.3L Thermostatic Housing** is a solid choice for those needing a direct replacement for their Ford Cobra s cooling system. It offers reliability, ease of installation, and compatibility with stock and lightly modified engines. However, potential buyers should be cautious about purchasing counterfeit parts, ensuring proper installation, and verifying compatibility with any aftermarket cooling upgrades.

If your Cobra has a failing thermostatic housing and you re experiencing overheating, this part is a practical and cost-effective solution **provided you source it from a trusted seller and follow installation best practices**. For high-performance builds or heavily modified cooling systems, consider a higher-end aftermarket housing for better heat management.

### **Recommendation**

- **Buy from a reputable dealer** (e.g., Summit Racing, RockAuto, or an OMC-authorized distributor) to avoid counterfeit parts.

- **Replace the gasket** with a new one to prevent leaks.

- **Test the system thoroughly** after installation by monitoring temperature gauges during a drive.

- **Consider a high-performance thermostat** (e.g., OMC 910178 thermostat with a higher opening temperature) if you re pushing the engine harder.

- **If unsure about installation**, consult a mechanic to ensure proper fitment and sealing.

For most stock or mildly modified Cobras, this part will serve well and prevent costly engine damage from overheating.

Details:

Used in working order.

part #: 910178 prices

• $36.00-$37.50

specifications completegengin:

• for models: Cobra
• for makes: Omc
• mpn: 910178
• part type: Housing

payments completegengin:

• credit card: Diners-club
• other
• wallet: Google-pay

general completegengin:

• Boat Parts > Inboard Engines Components > Complete Gas Engines
• condition: Used

offer completegengin:

• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• best offers: True
• started: April 16, 2026

returns completegengin:

• time: 14 Days
• policy: Returns Accepted
• paid by: Buyer

shipping completegengin:

• transit: 4-9 Days
• cost: $10.00
• service: Standard
• type: Fixed
• class: Standard

seller completegengin:

• rating: 99.9%
• # reviews: 27009
• city: Pittsburgh, Pennsylvania

Omc 910178 Is Similar To:

• Stringer 0308472 Bearing Ranges vintage Omc Models Housing 308472 Hp (28.8% similar) This item along with all other new used rebuilt obsolete parts I sell is mostly left over inventory from my now closed marine service. Any questions please just ask or call. I do combine shipping on multiple won offers when asked when it's practical possible. As a guide the item with the highest ...(April 20th, 2015)
• 910373 5.7 Alternator Brace Cobra Omc 4.3 5.0 0910373 7.4 (33% similar) Omc omc cobra alternator brace , no rust, no salt corrosion or pitting. Shipping charges are not included. Part , 910373. Fresh water part in mint condition...(April 26th, 2015)
• Plate 5.0 0911287 4.3 5.7 Crankshaft Cobra Support Omc Pulley (29.9% similar) Quality every part listed for sale has been inspected prior to being placed for offer list price new was shipping charges are not included. No rust, no salt corrosion or pitting quality fresh water parts by sierra wing item details Ala crankshaft support plate for omc and omc cobra v 6 and v 8 ...(March 27th, 2015)
• Omc Water 912515 2.3 0912515 Exhaust Pipe fresh Cobra Part (29.9% similar) No caked up carbon inside. 3 ford marine engines. Excellent condition. Shipping charges are not included...(April 12th, 2015)
• 0912519 Omc Intake Hose Water 912519 Thermostat 2.3 Cobra Manifold. (33.6% similar) No cuts or burned areas. Part , quality, satisfaction and service guaranteed Ty quality every part listed for sale has been inspected prior to being placed for offer. 3 water hose thermostat to intake manifold quality fresh water parts by sierra wing item details Ala clean fresh water hose that goes...(April 26th, 2015)
• Assist Bracket 0913279 Switches Micro Cobra Shift 2.3 913279 1988-90 Omc (27.1% similar) 3 marine engines bracket part , it worked perfectly while on the boat. Original omc paint. Micro switches also bench tested good. Quality fresh water parts by sierra wing item details Ala very clean, no rust bracket assembly with good micro switches. Applications for omc cobra quality every part ...(May 25th, 2015)
• 0914260 Omc Cobra 2.3 Camshaft Retainer Plate 914260 (38.8% similar) Shipping charges are not included. Omc cobra 3 camshaft retainer plate quality fresh water parts by sierra wing item details loam cobra camshaft retainer plate for...(July 30th, 2016)
• 2.3 3.0 5.8 0983932 Volvo Rear Cobra Sx Motor 5.7 Mount 4.3 Omc 5.0 983932 (28.3% similar) Rubber is playable, not dried out shipping charges are not included. Quality every part listed for sale has been inspected prior to being placed for offer. Fresh water mount. This gives you a reasonable time to install or otherwise check the part out, without having to go through a mad rush...(April 25th, 2015)
• Shift 0984168 Wire Core 984168 5.8 3.0 4.3 5.0 5.7 Cable Cobra Omc 2.3 (20.7% similar) No rust or salt corrosion. Quality fresh water parts by sierra wing item details Ala shift cable core wire for omc cobra out drives. Part , no longer available new. Shipping charges are not included. Does not come with cable sleeve. Excellent condition. Cable only quality every part listed for sale ...(March 28th, 2015)
• Control Cobra Module 3.0 87 2.3 984281 0984281 Shift 2.5 1986 Omc 88 (26.3% similar) No problems. Marine engines. Omc cobra shift control module. Part , fits omc cobra 4 cylinder engines please review pics and part for proper applications. 3/2 shipping charges are not included...(April 20th, 2015)
• 0984563 Steel Carb Omc V6 4.3 Line Stainless Cobra Fuel 2v Pump (32.7% similar) Clean fresh water part. This gives you a reasonable time to install or otherwise check the part out, without having to go through a mad rush. Quality every part listed for sale has been inspected prior to being placed for offer. Shipping charges are not included. Part list price new 44. No leaks, ...(April 30th, 2015)