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US Motor Works US4090 Engine Water PumpOE Quality 60-Day Returns
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Part #: US4090

US Motor Works US4090 Engine Water Pump

⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$74.94Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Mustang, Thunderbird, and Cougar
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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Reliable Engine Water Pump for Ford and Mercury Vehicles

The US Motor Works US4090 engine water pump is designed specifically for Ford and Mercury models including the Cougar, Mustang, and Thunderbird. This component plays a critical role in maintaining your engine's cooling system efficiency.

  • Compatible with Ford Cougar, Mustang, and Mercury Thunderbird models
  • Engine water pump designed to regulate coolant flow
  • Durable construction for consistent performance
  • Direct replacement for OEM water pumps
  • Part number US4090 ensures precise fitment

Product Overview and Compatibility

The US Motor Works US4090 engine water pump is engineered to meet the cooling system requirements of select Ford and Mercury vehicles. It is compatible with the Ford Cougar, Mustang, and Mercury Thunderbird, providing a reliable solution for maintaining optimal engine temperature. This water pump is a direct replacement part, designed to match OEM specifications for fit and function, ensuring proper coolant circulation and preventing engine overheating.

Common Applications and Problem Resolution

  • Replaces faulty or leaking water pumps in Ford Cougar, Mustang, and Mercury Thunderbird
  • Addresses engine overheating issues caused by coolant circulation failure
  • Resolves coolant leaks that can lead to engine damage
  • Eliminates noise or bearing failure associated with worn water pumps
  • Restores proper coolant flow to maintain engine performance

Installation Notes and Tips

  • Ensure engine is cool before beginning installation to avoid injury
  • Drain the cooling system completely before removing the old water pump
  • Clean the mounting surface thoroughly to prevent leaks
  • Use a new gasket or sealant as recommended for proper sealing
  • Torque bolts to manufacturer specifications to avoid damage

Quality Assurance and Warranty Information

US Motor Works manufactures the US4090 engine water pump to meet industry standards for durability and performance. While specific warranty details may vary, this part is backed by US Motor Works' commitment to quality and reliability. Using this water pump helps maintain the integrity of your vehicle's cooling system and supports long-term engine health.

This part fits 6 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
1995FordMustangBaseN/A
1995FordThunderbirdLXN/A
1995MercuryCougarXR-7N/A
1994FordMustangBaseN/A
1994FordThunderbirdLXN/A
1994MercuryCougarXR-7N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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