It smells like anti freeze...is it?

I’m 99% sure that you can substitute Quality RV antifreeze in place of this stuff. It just needs to be the good stuff that’s $3-6 a gallon. Not the ultra cheap alcohol based stuff. And you are good to go! That’s what all the pumps in a RV use and these sprayers are similar in many ways.

graco pump armour is for storing your machine long term, what exactly is a long term storage? 1 month? 2 months? 3 months?

I use the pump treatment anytime the sprayer is not to be used for a week. I always use it when I finish painting. I have used it for storage longer than 3 months. My sprayer is now 8 years old and I have never had any problems with it.

Does this stuff expire? I have one that is about 5 years old and I was wondering if I can still use it?

Not sure if it expires but I have used my old one up which was 6 years old and my sprayer has been working like a champ even beyond the maintenance schedule

is this for a diaphragm pump too? Or just a piston pump sprayer?

I don't know, but the container says "Storage and Freeze Protection for Airless Pumps."

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245133 Pump Armor, 1-Gallon , Blue

Product ID: 46390798

Details

Brand
Graco
Color
Blue
Material
Metal Plastic
Recommended Uses For Product
Painting
Tank Volume
0.25 Gallons

⏱️Instant startup after storage

❄️Freeze-proof to -30°F

🛡️Corrosion protection for pump

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$194.66

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Description

🛠️ Protect your pump, paint without pause!

CORROSION SHIELD - Formulated to prevent rust and extend pump life during storage.
READY WHEN YOU ARE - Ensures your sprayer starts instantly, even after months idle.
UNIVERSAL COMPATIBILITY - Works seamlessly with any Graco airless paint sprayer model.
FREEZE PROOF RELIABILITY - Keeps your sprayer pump safe down to -30°F, no winter worries.
GENEROUS 1 GALLON SUPPLY - Enough Pump Armor fluid to protect your pump through multiple projects.

Graco 245133 Pump Armor is a 1-gallon protective fluid designed to prevent corrosion and freezing damage in Graco airless paint sprayer pumps. Freeze-proof to -30°F, it ensures quick startup after long storage periods, extending pump life and maintaining peak performance for professionals and DIYers alike.

Specifications

ASIN	B071FZRVQB
Best Sellers Rank	#7,098 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Power Paint & HVLP Sprayers #231 in Industrial Lubricants
Brand Name	Graco
Color	Blue
Customer Reviews	4.7 4.7 out of 5 stars (6,267)
Global Trade Identification Number	00633955655614
Included Components	pump armor
Item Type Name	Graco 245133 Pump Armor, 1-Gallon
Item Weight	8.34 Pounds
Manufacturer	Graco Inc.
Manufacturer Part Number	245133
Material Type	Metal, Plastic
Model Name	245133
Model Number	245133
Power Source	Manual
Recommended Uses For Product	Painting
Style Name	Armor
Tank Volume	0.25 Gallons
UPC	633955655614
Unit Count	128.0 Fluid Ounces

Reviews

J**N

Reliable Protection for Long Storage

Works great. My sprayer was primed and spraying within seconds after sitting idle for 3–4 months. Pump Armor kept everything protected and ready to go.

13.01.2026

J**R

The product has always been great. The price is now fair.

Fair pricing

21.03.2026

F**Z

Works perfectly

Excellent product!

23.12.2025

A**J

Does the job it is made for.

This is the factory recommended product for unit storage. It works like is should as well as I can see. It is just that the unit itself is not a good sprayer, in my opinion, so this product is useless to me.

9.01.2025

A**R

USE IT! SAVES BIG HEAD ACHES

GREAT PRODUCT AND A MUST USE FOR YOUR AIRLESS PAINT SPRAYER

20.02.2026

A**R

Great oil

Great oil for my paint gun

11.03.2026

N**Y

Great

Great product works well with my sprayer. Highly recommended to all family and friends.

11.11.2025

T**Y

Works

Works great

9.12.2025

P**.

buon prodotto ottimo prezzo

22.01.2023

A**R

👌🏻👍

7.03.2021

A**N

Funciona muy bien

16.11.2024

P**.

a little pricey but doe's the job what more do you want from a product

16.02.2020

M**H

Look great.

18.02.2025

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$194.66

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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