SUZUKI 18-2809 Carburetor Slide Diaphragm 13507-17C01

( Manufacturer Part Number: 18-2809 ), ( Part Type: Carburetor Slide ), ( Country Of Manufacture: Japan ), ( Vehicle Placement: Carb Slide Diaphragm ), ( Compatible Oem Ref Number: 13507-17c00 )

Review SUZUKI Carburetor Slide Diaphragm fits DRZ400 GSX600 VL800

The **18-2809 Carburetor Slide Diaphragm** is a precision-engineered component designed specifically for high-performance and reliability in Suzuki s iconic air-cooled and liquid-cooled two-stroke and four-stroke engines, including the legendary **DR-Z400**, as well as the **GSX600**, **VL800**, and other models requiring the **13507-17C01** diaphragm. Crafted from high-grade **butyl rubber**, this diaphragm serves as the critical sealing element within the carburetor s slide mechanism, ensuring optimal fuel metering, smooth throttle response, and consistent power delivery across a wide RPM range. Its unique **dual-layer construction** combining a durable outer shell with a reinforced inner membrane enhances durability while maintaining flexibility, preventing leaks and maintaining vacuum integrity even under high-stress conditions, such as aggressive acceleration or sustained high-speed cruising. The diaphragm s precise **thickness and elasticity** are engineered to work seamlessly with the carburetor s internal springs and slide assembly, allowing for smooth, progressive throttle opening while minimizing wear on adjacent components. Whether installed in a **stock or modified setup**, this diaphragm is a direct replacement for OEM parts, ensuring compatibility with Suzuki s **CV carburetors** (commonly found in the DR-Z400 s 399cc two-stroke or the GSX600/VL800 s fuel-injected or carbureted variants) without the need for additional modifications. Its **universal fit** also makes it a reliable upgrade for aftermarket carburetor kits, helping restore or enhance performance in engines that may have experienced diaphragm failure due to age, fuel contamination, or mechanical stress. Built to withstand the demands of both daily riding and spirited riding, this diaphragm is an essential component for maintaining peak engine efficiency, reducing fuel waste, and preventing costly internal carburetor damage. Whether you re restoring a classic Suzuki, optimizing a performance build, or addressing a persistent fuel delivery issue, the **18-2809 Carburetor Slide Diaphragm** delivers the precision and reliability needed to keep your engine running at its best.

### **Pros and Cons of buying a 18-2809 Carburetor Slide Diaphragm for Suzuki Models (DR-Z400, GSX600, VL800, 13507-17C01)**

1. **Compatibility** This diaphragm slide is designed for multiple Suzuki models (DR-Z400, GSX600, VL800, and others), making it a versatile replacement part. This reduces the need for multiple specialized components if you own or work on different bikes.

2. **Performance Improvement** A worn or leaking diaphragm can cause poor fuel delivery, leading to rough idling, stalling, or loss of power. Replacing it with an OEM or high-quality aftermarket part can restore proper carburetor function, improving throttle response and overall engine performance.

3. **Cost-Effective Fix** Compared to a full carburetor rebuild or replacement, replacing just the diaphragm slide is a relatively inexpensive solution. This makes it a practical choice for minor carburetor issues rather than a major overhaul.

4. **Prevents Further Damage** A failing diaphragm can allow fuel to leak into the intake, leading to fouled spark plugs, engine flooding, or even long-term damage to the carburetor internals. Replacing it early can prevent more costly repairs.

5. **Ease of Installation** The diaphragm slide is a straightforward component to remove and install, especially if you have basic mechanical skills. Most users can complete the job in under an hour with the right tools.

6. **OEM Quality (If Purchased New)** If you buy a genuine Suzuki part (13507-17C01), you can expect reliable performance and durability, matching the original specifications of your bike.

7. **Aftermarket Options** Some aftermarket manufacturers offer upgraded diaphragm slides that may improve fuel metering or reduce vapor lock in high-temperature conditions, which can be beneficial for performance tuning.

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1. **Potential Counterfeit Parts** If purchasing from an unknown seller (especially online), there is a risk of receiving a counterfeit or low-quality replica. This could lead to premature failure or poor performance. Always buy from reputable suppliers or authorized dealers.

2. **Wear on Other Carburetor Components** If the carburetor has been neglected for a long time, replacing just the diaphragm slide may not fully resolve issues if other parts (jets, needles, or seals) are worn. This could require additional maintenance.

3. **Limited Longevity in Harsh Conditions** In extreme temperatures, high humidity, or with poor fuel quality, even a new diaphragm slide may degrade faster than expected. Regular carburetor cleaning and maintenance are still necessary.

4. **Skill Dependency** While the replacement is simple, improper handling (e.g., damaging the diaphragm or not seating it correctly) can lead to leaks or poor performance. Beginners may need guidance or a carburetor rebuild kit to ensure proper installation.

5. **Mixed Reviews on Aftermarket Parts** Some aftermarket diaphragm slides may not match the precision of OEM parts, leading to inconsistent fuel delivery. If performance is critical, an OEM or high-end aftermarket part is recommended.

6. **Carburetor Cleaning Still Required** Simply replacing the diaphragm slide does not clean the carburetor or remove carbon buildup. If the carburetor is dirty, performance gains may be limited until it is properly cleaned or rebuilt.

7. **Model-Specific Fitment** While this part fits multiple Suzuki models, there may be slight variations in carburetor design (e.g., GSX600 vs. DR-Z400). Always verify compatibility with your specific bike s carburetor type (e.g., Keihin, Mikuni, or Suzuki-branded).

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Replacing the **18-2809 carburetor diaphragm slide (13507-17C01)** is a practical and cost-effective solution for restoring carburetor function in Suzuki bikes like the DR-Z400, GSX600, and VL800. It is ideal for addressing issues like rough idling, stalling, or fuel starvation caused by a failing diaphragm. However, it is not a universal fix other carburetor components may still need attention, and the part s quality depends heavily on the source.

- **Buy from a trusted supplier** (preferably OEM or a well-reviewed aftermarket brand).

- **Clean or rebuild the carburetor** if it is dirty or has other worn parts.

- **Follow proper installation procedures** to avoid leaks or improper sealing.

- **Consider upgrading other components** (e.g., jets, needles) if you are tuning for performance.

If you are unsure about carburetor maintenance, consulting a professional mechanic may be worthwhile to ensure the job is done correctly.

- **For reliability and longevity**, purchase the **OEM Suzuki part (13507-17C01)** from an authorized dealer or a reputable online retailer (e.g., RockAuto, Suzuki parts distributors).

- **For performance tuning**, research aftermarket options (e.g., Keihin or Mikuni upgraded diaphragms) but verify compatibility and user reviews.

- **If the carburetor is old or neglected**, consider a **full rebuild kit** alongside the diaphragm slide to ensure optimal function.

- **Always clean the carburetor** before and after replacement to maximize performance gains.

This part is a smart investment for minor carburetor issues but should be part of a broader maintenance strategy for long-term reliability.

Details:

GS500E 1989 -2002. The product must be unused, in re-sellable condition and include all original packaging and/or tags. GS500F 2005 -2009. Carburetor Slide Diaphragm.

Brand New As Shown In Photo Sold EACH - Made Japan. Top rubber diaphragm only, does not include the slide body. OE Reference# 13507-17C 13507-17C01. Fits the following SUZUKIS.

DR-Z4 DR-Z400E, DR-Z400S, DR-Z400SM 2000 -2021.

part #: 182809 prices

• $15.24-$26.23

specifications intakefuelmotorcycle:

• for models: Drz400, Gsx600, Vl800
• for makes: Suzuki
• mpn: 18-2809
• part type: Carburetor Slide
• country of manufacture: Japan
• vehicle placement: Carb Slide Diaphragm
• compatible oem ref number: 13507-17c00

returns intakefuelmotorcycle:

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

shipping intakefuelmotorcycle:

• carrier: USPS, FedEx
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery, FedEx 2Day
• class: Standard, Expedited
• transit: 3-7 Days
• cost: $0.00
• type: Calculated

offer intakefuelmotorcycle:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: April 8, 2026
• availability: In Stock

payments intakefuelmotorcycle:

• other
• wallet: Apple-pay
• credit card: Discover

seller intakefuelmotorcycle:

• rating: 99.9%
• city: San Diego, California
• # reviews: 221242

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: New

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