Description
Product Overview
The Kohler 1003874 stem extension is an authentic replacement component crafted from high-quality plastic, designed to extend faucet stems in plumbing systems. It features precise dimensions of 1.35 x 1.9 x 0.95 inches with a polished chrome color and white finish, ensuring compatibility and aesthetic appeal. This part includes a single port with barb-style inlet and outlet connections, sized at 1.5 inches for secure, leak-resistant installations. Weighing just 0.16 ounces, it is lightweight yet durable, backed by Kohler’s manufacturing standards and global identification codes like UPC 087206728815 for verified authenticity.

Usage
This stem extension is ideal for residential and light commercial faucet repairs, particularly in kitchens and bathrooms where Kohler fixtures are installed. It suits DIY homeowners and professional plumbers needing to replace or extend existing stem assemblies to improve water control and prevent leaks. Common applications include updating older faucets or customizing plumbing setups in homes, apartments, and renovation projects, providing a reliable solution for maintaining efficient water flow.
Why Choose Us
Kohler’s 1003874 stem extension stands out due to its genuine OEM quality, ensuring exact fit and long-term durability in plumbing systems. The plastic material resists corrosion and wear, while the barb connection design promotes easy installation without specialized tools. With a 4.4-star rating from over 80 reviews and high rankings in faucet stem categories, it offers trusted performance and compatibility, reducing the risk of malfunctions and supporting sustainable home maintenance.
Key Features
- Genuine Kohler part with model number 1003874 for assured compatibility and reliability
- Durable plastic construction that resists rust and degradation in moist environments
- Barb inlet and outlet connections for secure, leak-proof fittings in faucet systems
- Compact dimensions of 1.35 x 1.9 x 0.95 inches, ideal for tight spaces and standard installations
- Lightweight design at 0.16 ounces, simplifying handling and reducing strain on plumbing assemblies
FAQ
What faucet brands is this stem extension compatible with?
It is designed as a genuine Kohler part and is optimized for Kohler faucets, but may fit other brands with similar barb connection requirements; always check specifications before purchase.
Does this part require any additional tools for installation?
No, the barb connections allow for straightforward installation using common plumbing tools like pliers, making it suitable for both DIY and professional use.
Is the stem extension resistant to water damage?
Yes, the plastic material is engineered to withstand water exposure without corroding, ensuring longevity in typical bathroom and kitchen conditions.
Can I use this for outdoor plumbing applications?
It is intended for indoor use with controlled temperatures; outdoor exposure to extreme weather may affect durability over time.
What is the warranty or return policy for this product?
Warranty details depend on the retailer; Kohler genuine parts generally come with quality assurance, but check with your supplier for specific terms.





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