Description
Product Overview
The GM Original Equipment Water Pump Fitting is crafted from premium rubber to deliver a secure, leak‑free connection in your vehicle’s cooling system. Manufactured by ACDelco to exact GM OE specifications, this 12‑inch, machined exterior fitting (Part No. 10242185) matches the weight and dimensions of the factory part, ensuring a perfect fit without modifications. Its regular color and robust construction provide both functional reliability and visual consistency with other engine components.
Usage
Designed for GM models that require the original water pump fitting, this part is ideal for routine maintenance, repairs, or performance upgrades. Install it during coolant system service, engine rebuilds, or when replacing a worn fitting to restore optimal coolant flow. Suitable for professional mechanics and DIY enthusiasts alike, it performs reliably in high‑temperature engine environments.

Why Choose Us
Our GM‑recommended replacement offers the same quality, reliability, and durability as the factory component. Backed by ACDelco’s reputation for high‑quality automotive parts, it undergoes rigorous testing to meet GM OE standards for fit, form, and function. With a 4.7‑star rating from 60 verified customers, you can trust its performance and longevity.
Key Features
- Exact OEM fit for GM water pump systems, eliminating guesswork.
- High‑grade rubber material resists heat, corrosion, and wear.
- Machined exterior ensures a secure, leak‑free seal.
- Lightweight design (1.76 oz) simplifies handling and installation.
- Backed by ACDelco quality assurance and a strong customer rating.
FAQ
Is this fitting compatible with all GM models?
The fitting is designed to match GM Original Equipment part number 10242185, which is used across a range of GM vehicles. Verify your vehicle’s service manual to confirm compatibility.
Can I install this part myself?
Yes, the fitting is a direct bolt‑on replacement. Basic hand tools and a torque wrench are sufficient for installation, following the vehicle’s service guidelines.
What warranty does ACDelco provide?
ACDelco offers a limited warranty covering defects in material and workmanship, typically for one year from the date of purchase.
How does the rubber material benefit the cooling system?
Rubber provides flexibility and resilience, maintaining a tight seal even as the engine expands and contracts under heat, reducing the risk of leaks.
Is this part covered under any automotive recall?
There are no current recalls affecting this specific water pump fitting. Always check the latest service bulletins for your vehicle.




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