HomeBelts and Cooling > Water Pump and Related ComponentsUS Motor Works US1045 Engine Water Pump
Part #: US1045

US Motor Works US1045 Engine Water Pump

⚙️ 12 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$72.80Free 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.
🔥
✅ 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: Buick, Electra, Estate Wagon, LeSabre, and Riviera
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Water Pump for Buick Vehicles

The US Motor Works US1045 engine water pump is designed to maintain optimal cooling system performance for select Buick models. Engineered for durability and precise fitment, this water pump supports efficient engine temperature regulation in Buick Century, LeSabre, Regal, and Riviera vehicles.

  • Compatible with Buick Century, LeSabre, Regal, and Riviera models
  • Direct replacement engine water pump for reliable cooling
  • Manufactured by US Motor Works for consistent quality
  • Part number US1045 ensures exact fit and function
  • Supports engine temperature control to prevent overheating

Product Details and Compatibility

This engine water pump, part number US1045, is specifically designed for use in Buick vehicles including the Century, LeSabre, Regal, and Riviera. It is a critical component in the vehicle’s cooling system, circulating coolant through the engine block and radiator to maintain proper operating temperatures. The pump is engineered to meet OEM specifications, ensuring a precise fit and reliable operation without modification.

Common Applications and Problem Resolution

  • Replaces failing or leaking water pumps in Buick Century, LeSabre, Regal, and Riviera
  • Addresses engine overheating caused by coolant circulation failure
  • Eliminates coolant leaks that can lead to engine damage
  • Resolves unusual noises from worn or damaged water pump bearings
  • Prevents engine performance issues related to improper cooling

Installation Notes and Tips

When installing the US Motor Works US1045 water pump, ensure the cooling system is fully drained before removal of the old pump. Clean the mounting surface thoroughly to prevent leaks. Use a new gasket or sealant as recommended by the vehicle manufacturer. Torque all bolts to factory specifications and refill the cooling system with the appropriate coolant mixture. After installation, bleed the cooling system to remove air pockets for optimal performance.

Quality Assurance and Warranty Information

US Motor Works manufactures the US1045 water pump to meet industry standards for durability and performance. While specific warranty details may vary, this part is backed by US Motor Works’ quality assurance protocols to provide reliable service life. Always verify warranty terms with the supplier or manufacturer documentation.

This part fits 12 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1976BuickLeSabreCustom7.5LV8N/A
1976BuickRivieraSport7.5LV8N/A
1975BuickLeSabreN/A
1975BuickRivieraN/A
1974BuickCenturyLuxus7.5LV8N/A
1974BuickLeSabreLuxus7.5LV8N/A
1974BuickRegalBase7.5LV8N/A
1974BuickRivieraBase7.5LV8N/A
1973BuickCenturyLuxus7.5LV8N/A
1973BuickLeSabreCustom7.5LV8N/A
1973BuickRegalBase7.5LV8N/A
1973BuickRivieraBase7.5LV8N/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.