SUZUKI 37400-29F52 Light Horn Turn Signal Switch Lh Handle

( Manufacturer Part Number: 37400-29F52 ), ( Part Type: Horn Turn Switch Handle Light Signal ), ( Country Of Origin: Japan )

Review SUZUKI Oem Light Horn Turn Signal Switch Lh Handle fits DR-Z400SMS DR-Z400SM 2005–2024

The **Suzuki 37400-29F52** is an essential replacement part for the **2013 2014 Suzuki DR-Z400SMS and DR-Z400SM**, serving as the **left-hand (LH) handlebar turn signal and light horn switch assembly** for the 2013 model year, specifically manufactured between May and August of that year. This high-quality, factory-original component is designed to seamlessly integrate with the bike s ergonomic and functional handlebar setup, ensuring precise control over the turn signals and horn while maintaining the original aesthetic and performance of the motorcycle. Crafted from durable materials, the switch is engineered to withstand frequent use, providing reliable operation even under demanding riding conditions. Its compact yet robust design allows for easy installation, requiring minimal adjustments to restore full functionality to the bike s signaling system. Whether used for routine maintenance or as a direct replacement after wear or damage, this switch guarantees a secure fit, smooth operation, and the confidence of knowing that critical safety features are fully operational. Ideal for riders who prioritize both performance and reliability, this part ensures that the DR-Z400SMS and DR-Z400SM remain responsive and safe on every journey.

### Pros and Cons of buying a Suzuki 37400-29F52 (2013-2024 DR-Z400SMS Light Horn/Turn Signal Switch, LH Handle)

1. **Compatibility and Fitment** This part is designed specifically for the DR-Z400SMS, ensuring a perfect fit without modifications. It replaces the original horn/turn signal switch assembly, which may have worn out over time.

2. **Improved Functionality** The light horn/turn signal switch is a critical component for safety and visibility. A new or upgraded switch ensures reliable operation of the turn signals, hazard lights, and horn, reducing the risk of mechanical failure.

3. **Prevents Further Damage** If the original switch was failing, it could lead to electrical issues, such as intermittent turn signals or a non-functioning horn. Replacing it early prevents more extensive (and costly) damage to wiring or other components.

4. **Ease of Installation** As an aftermarket or OEM replacement part, it is typically designed for straightforward installation, requiring only basic tools. Many owners report that it can be swapped in under an hour with minimal effort.

5. **Cost-Effective Upgrade** Compared to labor-intensive repairs (e.g., rewiring or replacing the entire handlebar assembly), this part is relatively inexpensive. It offers a simple, budget-friendly solution to a common issue.

6. **Enhanced Durability** If the original switch was worn or corroded, the new one should provide better longevity, especially if it is of high-quality material (e.g., metal contacts rather than plastic).

7. **Aesthetic Consistency** If the original switch was damaged or discolored, replacing it restores the handlebar s appearance, maintaining the bike s clean look.

---

1. **Potential Quality Variations** Depending on the seller, the part may be an OEM replacement or an aftermarket knockoff. Lower-quality aftermarket parts might wear out faster or have inconsistent performance. Always verify the seller s reputation and part authenticity.

2. **Mismatched Materials** Some aftermarket switches may use cheaper materials (e.g., plastic instead of metal) for contacts, leading to premature wear or poor electrical conductivity. This could result in intermittent turn signals or a weak horn.

3. **Installation Challenges** While generally straightforward, some riders may find the process tricky if they lack mechanical experience. Improper installation (e.g., loose wiring, incorrect alignment) could lead to malfunctions or safety hazards.

4. **Limited Customization** This is a standard replacement part, not a custom or upgraded component. If you re looking for features like adjustable turn signal delay or LED integration, this part won t provide those benefits.

5. **Warranty or Return Risks** Purchasing from an unverified seller may void any warranty, and returns could be difficult if the part doesn t fit or function as expected. Always check return policies before buying.

6. **Compatibility with Modifications** If the bike has been heavily modified (e.g., custom wiring, aftermarket lighting), the new switch might not integrate perfectly. Testing is required to ensure all functions work correctly.

7. **Opportunity Cost** If the bike has other neglected maintenance issues (e.g., worn tires, brake pads, or suspension), spending money on this part alone may not address broader reliability concerns. Prioritizing critical repairs first could be more cost-effective long-term.

---

The **Suzuki 37400-29F52 horn/turn signal switch** is a practical and necessary replacement for the DR-Z400SMS if the original component is failing. It offers a straightforward solution to a common issue, improving safety and functionality without major downtime or expense. However, the quality of the part and the installer s skill are critical to ensuring long-term reliability.

- The original switch is confirmed to be faulty.

- The part is sourced from a reputable seller (preferably OEM or a trusted aftermarket brand).

- The installation is done carefully, following the bike s wiring diagram.

If you re unsure about the part s quality or your ability to install it correctly, consider consulting a motorcycle mechanic for professional assistance.

1. **Verify the Part s Authenticity** Purchase from a well-known supplier (e.g., official Suzuki dealers, reputable aftermarket shops like **DirtBikeParts.com**, **eBay (verified sellers)**, or **Amazon** with high ratings).

2. **Check for Compatibility** Ensure the part matches your bike s year and configuration (LH handle for left-hand drive).

3. **Test Before Riding** After installation, thoroughly test the turn signals, hazard lights, and horn to confirm everything works as expected.

4. **Consider Professional Help** If you re uncomfortable with electrical work, a mechanic can install it for you, adding peace of mind.

5. **Pair with Routine Maintenance** Use this opportunity to inspect other handlebar components (e.g., grips, throttle, clutch lever) for wear and address any issues proactively.

**Final Verdict:** This is a **worthwhile upgrade** for safety and reliability, provided the part and installation are handled correctly. Skipping this repair could lead to more serious problems down the road.

Details:

Please refer to the part number 37400-29F51 37400-29F52 for fitment. I will do my best to resolve the issue. This is a good working item that has been used and plenty of life in it. Good looking and great working LH switch assembly.

Left hand handlebar switch assembly comes as pictured with good connections. Left hand handlebar switch assembly will fit 2005 2023 DR-Z400SM, DR-Z400S. Incredible Deal on Genuine Parts!, 2013 Suzuki DR-Z400SM,: LH Handlebar switch assembly. Switch assembly has no repairs, damage, cuts, etc.

part #: 3740029f52 price

• $83.27

specifications cycleswitches:

• for models: Dr-z400sms, Dr-z400sm
• for makes: Suzuki
• for years: 2005-2024
• mpn: 37400-29f52
• part type: Horn Turn Switch Handle Light Signal
• country of origin: Japan

payments cycleswitches:

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

offer cycleswitches:

• started: April 3, 2026
• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock

seller cycleswitches:

• city: Portland, Oregon
• rating: 99.8%
• # reviews: 8940

shipping cycleswitches:

• type: Fixed
• class: Standard
• transit: 4-7 Days
• service: USPS Ground Advantage
• carrier: USPS
• cost: $5.00

returns cycleswitches:

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

general cycleswitches:

• condition: Used
• Electrical Ignition Components > Electrical Ignition Sensors Switches > Ignition Key Switches

Suzuki 37400-29F52 Is Similar To:

• 09-10-11-12-13-14-15-16-suzuki-37200-32e30-start Stop Hand Throttle Housing Suzuki Handle Bar Switch Right Control (22.1% similar) DR650SE the condition is good switch assembly ready for use. Handle bar switch right control kill DR650SE 08 this is a that was pulled off 2009 suzuki. Thanks and ride safe. The part number shows it will fit these model's...(July 18th, 2018)
• 09930-82720 Obd Innovations Suzuki Dealer Mode Fi Code Sds Light Diagnostic (28.8% similar) Simple plug and play installation. The dealer mode switch for suzuki motorcycles allows you to enable on your bike, which will allow access ecu diagnostic codes and troubleshoot fie problems. The dealer mode diagnostic connector will located next or behind fuse under sub frame support. Connection is...(November 10th, 2018)
• 1059370 Suzuki Savage Right Clip On Handle Kill Off Start Switch (33.6% similar) Many countries only allow 79 max package length and girth combined. Each part is systematically placed to be easily located once purchased. More options available upon request. If the item does not fit motorcycle model's specified in listing...(April 18th, 2018)
• 1059371 Suzuki Savage Left Clip On Handle Horn Signals Switch Switches (43.9% similar) More options available upon request. Each part is systematically placed to be easily located once purchased. Many countries only allow 79 max package length and girth combined. If the item does not fit motorcycle model's specified in listing...(April 18th, 2018)
• 1060234 Suzuki Left Clip On Handle Horn Signals Switch Switches (45.9% similar) More options available upon request. Each part is systematically placed to be easily located once purchased. If the item does not fit motorcycle model's specified in listing. Many countries only allow 79 max package length and girth combined...(March 23rd, 2018)
• 1060235 Suzuki Right Clip On Handle Kill Off Start Switch (31% similar) Many countries only allow 79 max package length and girth combined. Each part is systematically placed to be easily located once purchased. More options available upon request. If the item does not fit motorcycle model's specified in listing...(March 23rd, 2018)
• 1064099 Suzuki Left Clip On Handle Horn Signals Switch Switches (45.9% similar) Each part is systematically placed to be easily located once purchased. Many countries only allow 79 max package length and girth combined. If the item does not fit motorcycle model's specified in listing...(April 27th, 2018)
• 1064899 Suzuki Right Clip On Handle Kill Off Start Switch Switches (37.1% similar) Many countries only allow 79 max package length and girth combined. Each part is systematically placed to be easily located once purchased. More options available upon request. If the item does not fit motorcycle model's specified in listing...(April 28th, 2018)
• 1064900 Suzuki Left Clip On Handle Horn Signals Switch Switches Rash (44.4% similar) More options available upon request. If the item does not fit motorcycle model's specified in listing. Many countries only allow 79 max package length and girth combined. Each part is systematically placed to be easily located once purchased...(April 28th, 2018)
• 1094090003 Tusk Replacement Engine Kill Switch Button Kawasaki Suzuki (26% similar) Equipped with original plugs so no splicing is required. The tusk engine kill switch is a great replacement for worn out or broken oem. Includes a new clamp for the switch. The switches are made to oem specifications for that perfect fit. Fits the following model's. Tusk engine kill switch. Oem ...(September 27th, 2018)
• 1094090015 Tusk Replacement Engine Kill Switch Button Suzuki (27.6% similar) Oem replacement kill switch equipped with plug for plug-and-play use. Suzuki dr-z suzuki 400E RM125 RM250 RMZ250 RMZ450 fits the following model's. Equipped with original plugs so no splicing is required. Tusk engine kill switch. Includes a new clamp for the switch. The tusk engine kill switch is a ...(December 7th, 2018)