Heating and Cooling Water Pumps

ACDelco

GM Original Equipment Engine Water Pump

$404.40

SKU: 251-751

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The ACDelco 251-751 Engine Water Pump is designed to efficiently circulate coolant throughout your vehicle's engine, ensuring optimal temperature control and performance. Constructed with OE-level quality and reliability, this water pump guarantees a precise fit for various Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn models. ACDelco is a trusted brand known for its durable automotive parts, making the 251-751 an excellent choice for maintaining your vehicle's cooling system.

Choose ACDelco 251-751 for dependable performance and peace of mind every time you service your vehicle. Order today for a factory-correct replacement that restores safety and performance.
Show original supplier description
An ACDelco GM Original Equipment Engine Water Pump, part number 251-751, is designed to circulate coolant through your vehicle's radiator and engine system to help maintain optimal engine temperature and performance. This water pump is manufactured to fit GM vehicles, ensuring the same performance, durability, and service life you expect from a General Motors Original Equipment component. The ACDelco 251-751 features uniform wall sections and smooth coolant-flow cavities for efficient operation, along with coated seals with a stainless steel spring for enhanced durability. It is built to GM OE specifications for proper fit, form, and function. This water pump includes a pulley but does not include a fan clutch, back housing, thermostat, or mounting hardware. The housing is made of aluminum, and the impeller is made of steel. This engine water pump is compatible with a wide range of GM vehicles from 2000 to 2017, including various Chevrolet, Saturn, Pontiac, Oldsmobile, Buick, and GMC models. Always confirm fitment for your specific vehicle's year, make, model, and engine to ensure proper compatibility. Some sources may indicate specific fitment details or exclusions, so it is crucial to verify.
Vehicle Symptoms
  • Engine overheating during idle or stop-and-go traffic
  • Coolant leaking from front of engine
  • Squealing or chirping noise from water pump area
  • Low coolant level with no visible external leaks
  • Temperature gauge fluctuating or pegged high
Relevant Conversations
  • engine overheating water pump noise
  • how to replace acdelco water pump 251-751
  • coolant leak front of engine drivers side
  • car overheating no heat inside cabin fix
  • water pump replacement cost buick lesabre
  • P0128 code after thermostat change still overheating
  • water pump bearings failing symptoms
  • squealing noise from engine when accelerating
  • gates vs acdelco water pump which is better
  • low coolant level but no leak water pump

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandACDelco
Part Number251-751
CategoryHeating and Cooling

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy