KOHLER 1413211-S Engine Spark Plug Rfi 12MM

( Brand: Kohler ), ( Manufacturer Part Number: 1413211-S ), ( Type: Spark Plug ), ( Country Of Origin: United States ), ( Color: Silver ), ( Manufacturer Warranty: Unspecified Length ), ( Storage Location: G6 Ont4-n Buk 18 Bin 1 )

Review KOHLER Engine Spark Plug 12mm Rfi fits XT650 XT675 XT775 XT800

The **Kohler 1413211-S XT650, XT675, XT775, and XT800 Engine Spark Plug (12mm RFI)** is a precision-engineered ignition component designed to deliver reliable performance and extended engine life for Kohler s high-performance outdoor power equipment, including XT-series engines. Engineered with a **12mm RFI (Radio Frequency Interference) resistant thread design**, this spark plug ensures optimal ignition while minimizing electromagnetic interference, making it ideal for applications where electronic devices or sensitive equipment may be in close proximity. The plug features a **resistor wire** integrated into its construction, which helps suppress radio frequency noise, reducing potential disruptions to nearby communication systems or control modules.

Constructed from high-quality **nickel alloy materials**, the Kohler 1413211-S spark plug is built to withstand the demanding conditions of frequent use, high compression, and varying environmental temperatures. Its **copper core electrode** promotes efficient heat transfer, preventing pre-ignition and ensuring consistent spark generation across a wide range of operating conditions. The **12mm thread size** provides a secure, vibration-resistant fit within the engine s cylinder head, while the **standard 14mm shell diameter** ensures compatibility with standard Kohler engine mounts. This plug is specifically engineered for **XT650, XT675, XT775, and XT800 engines**, offering the correct gap (typically **0.025 inches or 0.64 mm**) for peak combustion efficiency and smooth operation.

Beyond its technical specifications, the Kohler 1413211-S spark plug is designed with **durability and longevity** in mind. Its **long-life electrode design** resists erosion and fouling, reducing the need for frequent replacements and minimizing downtime for maintenance. Whether installed in a lawn mower, generator, pressure washer, or other XT-series powered equipment, this spark plug delivers **reliable starts, improved fuel efficiency, and reduced engine wear**, contributing to the overall performance and longevity of the engine. Kohler s commitment to quality ensures that this component meets strict manufacturing standards, providing users with confidence in its ability to perform under demanding conditions for thousands of miles or hours of operation.

### **Pros and Cons of buying a Kohler 1413211-S (XT650, XT675, XT775, XT800) Engine Spark Plug (12mm, RFI)**

1. **Compatibility** This spark plug is specifically designed for Kohler XT-series engines (XT650, XT675, XT775, XT800), ensuring proper fit and performance without modification.

2. **RFI (Radio Frequency Interference) Suppression** The "RFI" designation means it is engineered to reduce electromagnetic interference, which is beneficial for equipment that may operate near radios, sensors, or electronic controls.

3. **Durability** Kohler spark plugs are built to withstand the demands of small engine applications, offering reliable performance over extended use.

4. **Easy Installation** The 12mm thread size is standard for many small engines, making it straightforward to install without special tools (though a spark plug socket and torque wrench are recommended).

5. **OEM Quality** As an original equipment part, it meets Kohler s engineering standards, reducing the risk of premature failure or performance issues.

6. **Widely Available** Being a common Kohler part, it is easy to find in replacement markets, both online and at hardware stores or marine/lawn equipment dealers.

7. **Consistent Performance** Proper spark plug function is critical for engine efficiency, fuel economy, and smooth operation, and this plug is designed to deliver reliable ignition.

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1. **Cost** Compared to generic or aftermarket spark plugs, OEM Kohler parts may be more expensive, though the price difference is often minimal for a single plug.

2. **Potential for Counterfeit Products** Purchasing from untrusted sellers (especially online) could result in counterfeit or low-quality replicas that fail prematurely.

3. **Limited Lifespan** Like all spark plugs, this one will eventually wear out and require replacement, typically every 100 200 hours of use (or as recommended in the owner s manual).

4. **Specialized Tools Needed** While the plug itself is simple to install, removing it may require a spark plug gap tool (if adjustment is needed) and a torque wrench to avoid overtightening.

5. **Not Universal** It is **not** compatible with non-Kohler engines or other XT-series models outside the specified range (e.g., XT900 or other brands). Always verify compatibility before purchasing.

6. **Environmental Factors** In high-moisture or corrosive environments (e.g., saltwater applications), the plug may degrade faster, requiring more frequent checks.

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The **Kohler 1413211-S (XT650/XT675/XT775/XT800) 12mm RFI spark plug** is a reliable, high-quality choice for its intended engines, offering compatibility, RFI suppression, and durability. While it may cost slightly more than generic alternatives, the peace of mind from using an OEM part justifies the expense for most users. The main drawbacks cost, potential counterfeit risks, and the need for periodic replacement are standard concerns for any spark plug purchase.

For **best results**, purchase from an authorized dealer or reputable retailer (e.g., Kohler s official website, Amazon, or a trusted hardware store). Always check the gap (typically **0.028 0.031 inches**) before installation and follow the engine s maintenance schedule.

- **Buy it if:** You need a guaranteed fit for your specific Kohler XT engine and want to avoid compatibility issues. The RFI feature is useful if your equipment operates near electronic devices.

- **Consider alternatives if:** You re on a tight budget and can verify that a generic **NGK or Champion equivalent** (e.g., NGK BCPR6ES or Champion RC12YC) meets your engine s requirements. Always cross-reference part numbers with your manual.

- **Avoid if:** You re unsure of the exact engine model or application, as incorrect spark plugs can cause misfires, poor performance, or damage.

For long-term reliability, **replace the plug at the recommended interval** (usually every 100 hours or annually) to maintain optimal engine performance.

Details:

Fits: Kohler XT650 / XT675 XT775 XT8 RH255 RH265, Fitment, Fits XT650/XT675/XT775/XT8 RH255/RH265 Spotlight: A Day Inside . Look for the Make Offer button on listing page.: Are these genuine OEM parts?, Yes. Do you combine shipping?, Yes.

Larger items from $46.99. FREE shipping on every order to the lower 48 states. Do you accept offers?, Some listings offers.

Every part is one-of-a-kind. Please verify the part number and compatible model's before purchasing. We started with a single motorcycle dismantled in home garage. Item must be in original, uninstalled condition with no modifications.

4.8 out of 5 stars across 322 reviews. We review all reasonable offers promptly.

part #: 1413211 prices

• $12.49-$24.99

specifications cyclesparkplugs:

• for models: Xt650, Xt675, Xt775, Xt800
• brand: Kohler
• mpn: 1413211-s
• type: Spark Plug
• country of origin: United States
• color: Silver
• manufacturer warranty: Unspecified Length
• storage location: G6 Ont4-n Buk 18 Bin 1

seller cyclesparkplugs:

• rating: 99.5%
• # reviews: 231126
• city: Odessa, Florida

offer cyclesparkplugs:

• options: Ship-to-home
• quantity: 9
• sold: 0
• started: May 21, 2026
• availability: In Stock

general cyclesparkplugs:

• condition: New other see details
• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Spark Plugs

shipping cyclesparkplugs:

• service: FedEx Ground / FedEx Home Delivery, USPS Priority Mail, FedEx 2Day, Overnight
• carrier: FedEx, USPS
• type: Fixed
• cost: $0.00
• transit: 5-11 Days
• class: Standard, Expedited, One-day

returns cyclesparkplugs:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

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• wallet: Apple-pay

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