HomeBelts and Cooling > Water Pump and Related ComponentsGMB 145-1180 Engine Water Pump
Part #: 145-1180

GMB 145-1180 Engine Water Pump

⚙️ 9 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$43.02Free 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: Mazda, RX-7, Cosmo, RX-3, Rotary Pickup, and RX-4
🔄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 Mazda RX-7

The GMB 145-1180 engine water pump is designed specifically for Mazda RX-7 models, ensuring precise fitment and optimal cooling system performance. Manufactured to OEM standards, this new aluminum water pump includes a paper gasket for a complete installation.

  • Compatible with Mazda RX-7 vehicles
  • Constructed from durable aluminum material
  • Includes one paper gasket for proper sealing
  • Meets OEM standard item grade for quality assurance
  • New product condition for reliable operation
  • Does not include pulley

Durable Construction and OEM Standard Quality

The GMB 145-1180 engine water pump is crafted from aluminum, providing corrosion resistance and long-lasting durability under demanding engine conditions. This pump meets OEM standard item grade, ensuring it performs to the specifications required by Mazda RX-7 cooling systems. The included paper gasket facilitates a secure seal between the pump and engine block, preventing leaks and maintaining efficient coolant flow.

Purpose and Common Applications

This engine water pump is essential for maintaining proper coolant circulation within the Mazda RX-7 engine, helping to regulate temperature and prevent overheating. It is commonly used to address issues such as:

  • Coolant leaks due to worn or damaged water pumps
  • Overheating caused by insufficient coolant flow
  • Noise or bearing failure within the existing water pump
  • Engine temperature fluctuations impacting performance
  • Replacement during routine cooling system maintenance

Installation Notes and Tips

When installing the GMB 145-1180 water pump on a Mazda RX-7, ensure the engine is cool and the cooling system is properly drained. Use the included paper gasket to achieve a tight seal and prevent coolant leaks. Verify that the mounting surface is clean and free of old gasket material before installation. Since the pulley is not included, reuse the existing pulley or source separately if needed. Follow manufacturer torque specifications for mounting bolts to avoid damage.

Quality Assurance and Warranty

GMB manufactures this engine water pump to meet OEM standards, providing reliable performance and durability. The product is new and includes a gasket to support proper installation. While specific warranty details may vary, GMB products typically come with a limited warranty covering defects in materials and workmanship to ensure customer confidence in the replacement part.

BrandGMB
Part Number145-1180
Gaskets IncludedYes
Item GradeOEM Standard
MaterialAluminum
Package Contents1 PAPER GASKET
Product ConditionNew

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1985MazdaRX-71.1LR2N/A
1985MazdaRX-71.3LR2N/A
1984MazdaRX-71.3LR2N/A
1984MazdaRX-71.1LR2N/A
1983MazdaRX-71.1LR2N/A
1982MazdaRX-71.1LR2N/A
1981MazdaRX-71.1LR2N/A
1980MazdaRX-71.1LR2N/A
1979MazdaRX-71.1LR2N/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:

1004521231311937143069814511801529101160066003160980617122118088208822819932526462605328011073014606421234415350728513151570184157103860603770612770740707118237823801881937887215010B970669940AP2115AW9053B451180BWP673CP9053F0338019FP1730FW9053GWMZ18AHYT26003CL311286MZ5N451180P1140P2115PC585QCP2129US9053WP2153WP29WP4153WP728

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