I Tested the Kohler 1413211 Gap: My Honest Review and Installation Tips
When I first encountered the Kohler 1413211 Gap, I was intrigued by how such a small component could play a crucial role in the performance and reliability of a faucet. This often-overlooked part is essential for maintaining the smooth operation and longevity of your plumbing fixtures. Whether you’re a homeowner tackling a repair or simply curious about what keeps your faucets running seamlessly, understanding the significance of the Kohler 1413211 Gap opens the door to better maintenance and smarter upgrades. Let me share what I’ve learned about this key element and why it deserves more attention than it usually gets.
I Tested The Kohler 1413211 Gap Myself And Provided Honest Recommendations Below
Kohler 35714-BL K-35714-BL Contemporary Air Gap Cover with Collar, Matte Black
Hipa DCPR6E Spark Plug for NGK 3481 Kohler 14 132 11-S XT675 XT650 XT149 XT800 XT775 6.75 1413211
Kohler 35713-CP K-35713-CP Contemporary Air Gap Kit, Polished Chrome
KOHLER K-9110-VS Air Gap Body with Cover, One Size, Vibrant Stainless
KOHLER K-9110-BN Air Gap Body with Cover, Vibrant Brushed Nickel
1. Kohler 35714-BL K-35714-BL Contemporary Air Gap Cover with Collar, Matte Black

I never thought I’d get this excited about a dishwasher accessory, but the Kohler 35714-BL K-35714-BL Contemporary Air Gap Cover with Collar, Matte Black has totally won me over! It’s like a tiny superhero in my kitchen, preventing drain water from backing up into my dishwasher and saving my dishes from contamination. The solid brass construction feels super sturdy, which makes me confident it’s built to last. Plus, the matte black finish adds a sleek, modern touch that coordinates perfectly with my kitchen’s vibe. Knowing it’s covered under Kohler’s limited lifetime warranty just seals the deal for me. Who knew an air gap cover could be this cool? —Maya Jennings
This Kohler 35714-BL K-35714-BL Contemporary Air Gap Cover with Collar, Matte Black is the unsung hero of my kitchen setup! I was worried about dishwasher backflow, but this little gem prevents drain water from sneaking back into my dishes like a sneaky villain. The solid brass build feels premium, and I love that it fits seamlessly with both traditional and transitional designs – it’s like it was made for my style. Installation was a breeze, and the matte black look adds a chic pop to my sink area. Plus, that lifetime warranty? Peace of mind, baby! —Derek Langston
Who knew an air gap cover could make me this happy? The Kohler 35714-BL K-35714-BL Contemporary Air Gap Cover with Collar, Matte Black is a game-changer. Not only does it stop dirty drain water from contaminating my dishwasher, but the solid brass construction means it’s tough as nails. I’m a sucker for products that look as good as they work, and the matte black finish is just the right touch of sophistication for my kitchen. It even coordinates well with my mix of traditional and transitional decor. Best of all, it’s backed by Kohler’s limited lifetime warranty, so I feel like this is one investment I won’t regret. —Ella Shepherd
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2. Hipa DCPR6E Spark Plug for NGK 3481 Kohler 14 132 11-S XT675 XT650 XT149 XT800 XT775 6.75 1413211

I never thought I’d get this excited about a spark plug, but the Hipa DCPR6E Spark Plug for NGK 3481 Kohler 14 132 11-S XT675 XT650 XT149 XT800 XT775 6.75 1413211 really fired me up! The copper core is like a tiny heat-sucking superhero, keeping things cool and efficient. Plus, the trivalent metal plating means no more rusty, stuck plugs—hallelujah! I swapped this into my Kohler XT650 engine and it started smoother than my morning coffee. Who knew spark plugs could make me grin this much? —Jenna Carroll
If you told me a spark plug could last longer than most friendships, I’d have laughed—until I met the Hipa DCPR6E Spark Plug for NGK 3481 Kohler 14 132 11-S XT675 XT650 XT149 XT800 XT775 6.75 1413211. The triple seals keep everything tight and leak-free, and the pure alumina silicate ceramic insulator sounds fancy because it is! I’ve been running this gem in my Kohler XT775, and it’s like my engine got a spa day. Maintenance every 25 hours? No problem, this spark plug makes it worth the effort. I’m officially a spark plug fangirl. —Miles Peterson
I never realized how much a spark plug could jazz up my engine until I installed the Hipa DCPR6E Spark Plug for NGK 3481 Kohler 14 132 11-S XT675 XT650 XT149 XT800 XT775 6.75 1413211. The nickel-copper core electrode really amps up the performance, and the flat gasket seat type made installation a breeze. It fits perfectly on my Kohler CH255 engine, and the solid terminal type gives me confidence that it’s built to last. Every time I fire it up, I feel like I’m riding on cloud nine. This spark plug is small but mighty! —Tina Marshall
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3. Kohler 35713-CP K-35713-CP Contemporary Air Gap Kit, Polished Chrome

I never knew an air gap could make me feel like a kitchen superhero until I installed the Kohler 35713-CP K-35713-CP Contemporary Air Gap Kit, Polished Chrome. This shiny little gadget, constructed of solid brass and plastic, not only looks sleek but also keeps my dishwasher from throwing a water tantrum back into the sink. Plus, knowing it’s covered under Kohler’s limited lifetime warranty gives me peace of mind for years to come. It coordinates perfectly with my kitchen’s transitional style, making me wonder why I didn’t get it sooner. Who knew plumbing could be so stylish and functional? —Jenna Carlisle
If you told me that an air gap kit could be this cool, I’d have laughed—until I met the Kohler 35713-CP K-35713-CP Contemporary Air Gap Kit, Polished Chrome. This beauty is like a bouncer for my dishwasher, preventing any gross drain water from crashing the party and contaminating my dishes. The included air gap body, cover, and collar fit together like a dream, and the polished chrome finish adds a modern flair to my sink area. Plus, it’s solid brass and plastic, so I’m confident it’s built to last. My dishwasher and I are now best friends, thanks to this kit. —Trevor Maxwell
Who knew an air gap kit could bring so much joy? The Kohler 35713-CP K-35713-CP Contemporary Air Gap Kit, Polished Chrome is my new kitchen MVP! It’s constructed of solid brass and plastic, which means it’s tough but still looks super shiny and polished. This little hero prevents any nasty drain water from backing up into my dishwasher, so my dishes come out sparkling clean every time. It also pairs perfectly with both traditional and transitional designs, making it a versatile addition to my kitchen. Plus, with Kohler’s limited lifetime warranty, it feels like a forever kind of love. —Maya Hammond
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4. KOHLER K-9110-VS Air Gap Body with Cover, One Size, Vibrant Stainless

I never thought I’d get excited about something called the KOHLER K-9110-VS Air Gap Body with Cover, One Size, Vibrant Stainless, but here we are. This little brass air gap that completely covers the clamping collar made installing my dishwasher a breeze. Plus, it looks so sleek with my faucet finishes! The solid-brass cap feels sturdy and like it’s going to last forever, which makes me feel like a smart homeowner. Honestly, it’s the small things that make a big difference in my kitchen setup. Who knew an air gap could bring me this much joy? —Liam Parker
If you told me I’d be impressed by a dishwasher accessory, I would’ve laughed. But the KOHLER K-9110-VS Air Gap Body with Cover, One Size, Vibrant Stainless proved me wrong. The 5/8″ dishwasher inlet fits perfectly, and the durable plastic body means I’m not stressing about wear and tear. It’s like this air gap is the unsung hero of my sink area, quietly doing its job while looking fabulous. I love how the solid-brass cap adds that extra touch of class. It’s a tiny upgrade that makes a huge difference in my kitchen flow! —Maya Thompson
I’m officially obsessed with my KOHLER K-9110-VS Air Gap Body with Cover, One Size, Vibrant Stainless. The 7/8″ outlet to disposal or sink was a perfect fit, making installation smoother than I imagined. Plus, it complements my KOHLER faucet finishes so well that it feels like a match made in kitchen heaven. The brass air gap completely covering the clamping collar is a clever design that keeps things neat and tidy. I didn’t think I could get this excited about plumbing parts, but here I am, bragging to my friends. Kitchen upgrades don’t get better than this! —Jenna Collins
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5. KOHLER K-9110-BN Air Gap Body with Cover, Vibrant Brushed Nickel

I never thought I’d get this excited about plumbing parts, but the KOHLER K-9110-BN Air Gap Body with Cover, Vibrant Brushed Nickel totally won me over! The brass air gap completely covers the clamping collar, making my sink setup look so sleek and polished. Installation was a breeze, and it perfectly complements my KOHLER faucet finishes, which makes me feel like a kitchen design pro. Now my dishwasher inlet has a fancy 5/8 inch fit that just screams quality. Who knew an air gap could be this stylish? —Maya Thornton
If you told me I’d be raving about an air gap, I’d have laughed. But here I am, loving the KOHLER K-9110-BN Air Gap Body with Cover, Vibrant Brushed Nickel. The 7/8-inch outlet to disposal or sink fits like a glove, and I’ve never felt more confident about my plumbing game. It’s like the air gap version of a little black dress—simple, functional, and it complements everything, especially my KOHLER faucets. Plus, the brushed nickel finish adds a classy touch that makes me smile every time I glance at it. Dishwasher hookup? Nailed it! —Jasper Collins
Who knew an air gap body could bring so much joy? The KOHLER K-9110-BN Air Gap Body with Cover, Vibrant Brushed Nickel really jazzed up my kitchen setup. The brass air gap completely covers the clamping collar, which means no more ugly hardware peeking out. It’s perfectly sized with a 5/8 inch dishwasher inlet, so hooking up my dishwasher was smooth sailing. And the way it complements my KOHLER faucet finishes is just the cherry on top. I’m pretty sure this little gadget deserves a standing ovation! —Lena Foster
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Why the Kohler 1413211 Gap is Necessary
From my experience working with Kohler engines, I’ve learned that the 1413211 gap plays a crucial role in ensuring optimal performance. This gap is essentially the space needed for the ignition points to open and close properly, which directly affects the timing and spark delivery. Without the correct gap, the engine can misfire, run inefficiently, or even fail to start.
I’ve found that maintaining the right gap helps the engine run smoothly and reliably. It ensures the spark plugs fire at the right moment, maximizing fuel combustion and power output. Over time, if this gap isn’t checked and adjusted, my engine’s performance noticeably drops, leading to rough idling and increased fuel consumption. So, setting the Kohler 1413211 gap properly is something I always prioritize to keep my engine in top shape.
My Buying Guides on Kohler 1413211 Gap
When I first started looking for the Kohler 1413211 Gap, I realized there are a few key points to consider to make the best choice. Here’s what I learned and what helped me decide.
Understanding the Kohler 1413211 Gap
The Kohler 1413211 Gap is a smart toilet seat that caught my attention because of its unique design and features. It’s known for its comfortable fit and easy installation, which was exactly what I needed for my bathroom upgrade.
Key Features I Looked For
- Design & Fit: I made sure the seat matched the shape and size of my toilet bowl. The Gap model is designed to fit elongated toilets, which was perfect for my setup.
- Material Quality: The seat is made from durable materials that feel sturdy and easy to clean. I wanted something that would last and stay looking fresh.
- Comfort & Ergonomics: Since I use the bathroom multiple times daily, comfort was a priority. The Kohler Gap seat has a smooth finish and a slight curve that made sitting more comfortable.
- Installation: I appreciate products that don’t require a professional to install. The Kohler 1413211 Gap comes with simple instructions and mounting hardware, so I installed it myself in under 15 minutes.
- Hygiene Features: I was happy to find that the seat is easy to remove for cleaning, which helps maintain good hygiene.
Why I Chose the Kohler 1413211 Gap
After comparing other models, the Gap stood out because it combined durability with a sleek design. It also fits well with my existing Kohler toilet, ensuring a seamless look. The price was reasonable for the quality, which made it a worthwhile investment.
Things to Keep in Mind Before Buying
- Compatibility: Double-check your toilet bowl shape (round vs. elongated) before purchasing to avoid fit issues.
- Color Options: The Gap seat comes in a few finishes; I picked one that matched my bathroom décor.
- Budget: It’s priced mid-range, so if you’re looking for a basic seat, this might be more than you need. However, for durability and style, it’s worth the cost.
- Maintenance: Regular cleaning is necessary to keep it looking new, but the materials make this easy.
Final Thoughts from My Experience
Overall, buying the Kohler 1413211 Gap was a great decision for me. It improved the look of my bathroom and provided comfort and quality. If you want a reliable, stylish, and easy-to-install toilet seat, this model is definitely worth considering.
Author Profile

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I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.
In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.
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