Valentine's Day Deals
Keller Heartt Coupons & Promo Codes
8 Coupon Codes for February 06, 2026
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About Keller Heartt
Keller Heartt has been powering performance across aviation, industry, and transportation for over 80 years. Specializing in premium lubricants, hydraulic fluids, and Blue DEF solutions, this family-owned business blends tradition with innovation to keep engines and operations running smoothly. Whether supporting machine shops, fleets, or automotive professionals, their tailored products and expert service ensure reliability when it matters most. A trusted name in oil solutions, Keller Heartt continues to deliver quality that meets the grind of modern demands.
Active Coupons
ALL(8)
CODE(8)
Free Shipping(2)
10% OFF
Code
Free Shippingspecial price
10% off and Free Shipping sitewide
Detail
EXP.02/12/2026
EXP.02/12/202610% OFF
CodeFree Shippingspecial price
10% off and Free Shipping Sitewide
DetailEXP.02/12/2026
EXP.02/12/202610% OFF
Codespecial price
10% Off Limited-Time Offer
DetailEXP.02/12/2026
EXP.02/12/20265% OFF
Codespecial price
5% Off Shell, Houghton, Truegard 55 Gallon Drums
DetailEXP.02/12/2026
EXP.02/12/20265% OFF
Codespecial price
5% Off Truegard Products
DetailEXP.02/12/2026
EXP.02/12/20265% OFF
Codespecial price
5% off orders of $1,000+ on all Shell Coolants
DetailEXP.02/12/2026
EXP.02/12/2026ProductsSEE ALL >
15% OFF
Codefirst order
15% Off Your First Order at Keller-Heartt
DetailEXP.02/12/2026
EXP.02/12/2026$25 OFF
Codefirst order
$25 Off Your First Order
DetailEXP.02/12/2026
EXP.02/12/2026{{ isExpanded ? 'See Less' : 'See More' }}
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Keller Heartt Contact Info
Address
4411 S. Tripp Ave., Chicago, IL 60632
Telephone
1-800-423-7513
Keller Heartt Social Media
Follow Keller Heartt on social media for exclusive discounts, latest deals, and unbeatable saving opportunities!
How to Apply Keller Heartt Promo Code
Follow these simple steps to use your coupon code and enjoy savings at checkout.
1
Step1
Browse through Keller Heartt's online store. After selecting your desired items, click "Add to Bag" on each product page.
2
Step2
Go to the Cart by selecting the shopping cart icon at the top-right corner of the screen.
3
Step3
Enter your Keller Heartt coupon code in the "Promo Code" box.
4
Step4
Hit "Apply". If your code is valid, the discount will be immediately be applid to your purchase at Keller Heartt!
More Info about Keller Heartt
Accepted Payment Options
Visa, Mastercard, American Express, PayPal, check, purchase orders
Keller Heartt Coupon Codes FAQs
Are there any current discounts or promo codes for Keller Heartt?
Yes, you'll find 8 live Keller Heartt deals available today, ready to help you save on your order.
What's today's featured Keller Heartt coupon or promotion?
Today's featured offer is: 10% off and Free Shipping sitewide.