1. Boat Outboard Engines To Buy
  2. sku: 23105755137882861
  3. BRP 5005370

BRP 5005370 Carburetor Set Air Box 40

fits make: Evinrude, Johnson.

5005370 Brp Evinrude Johnson 40 Hp Carburetor Set With Air Box

( Brand: Brp ), ( Manufacturer Part Number: 5005370 ), ( Part Type: Hp Carburetor Box )

Review BRP Evinrude Johnson 40 Hp Carburetor Set Air Box

The **Evinrude Johnson 40 HP Carburetor Set with Air Box (Part Number: 5005370)** is a meticulously engineered replacement component designed to restore peak performance and reliability to your outboard motor, ensuring smooth operation and optimal fuel efficiency. This high-quality carburetor set is specifically tailored for Evinrude and Johnson 40 horsepower two-stroke engines, offering a precise fit and seamless integration with the existing fuel delivery system. Crafted from durable materials, the carburetor features a robust air box that filters incoming air, preventing debris and contaminants from entering the combustion chamber, which helps prolong the life of internal components and maintains engine cleanliness. The set includes all essential components, such as the carburetor body, throttle linkage, and air filter housing, ensuring a complete and hassle-free installation process. Whether you're preparing for a season of boating or addressing a performance issue, this carburetor set provides a dependable solution that adheres to the original equipment manufacturer s specifications. Its compatibility with a range of Evinrude and Johnson models makes it a versatile upgrade for both recreational and performance-oriented outboard applications, delivering consistent power and responsiveness with every throttle adjustment.

### **Pros and Cons of Buying a 5005370 Evinrude/Johnson 40 HP Carburetor Set with Air Box**

#### **Pros:**

1. **Compatibility and Fitment** This part is specifically designed for Evinrude and Johnson 40 HP outboard engines, ensuring a proper fit without modification. It is likely an original equipment or high-quality aftermarket replacement, reducing the risk of performance issues.

2. **Performance Optimization** A new or properly maintained carburetor and air box can improve fuel efficiency, throttle response, and overall engine performance. If the original components were worn or clogged, replacing them can restore the engine to near-new condition.

3. **Reliability and Durability** High-quality carburetor sets are built to withstand the demands of marine use, including exposure to water, salt, and vibration. A genuine or reputable aftermarket part should last for years with proper maintenance.

4. **Ease of Installation** Since this is a direct replacement part, installation is typically straightforward, especially for someone with basic mechanical experience. Many users report being able to complete the job in a few hours with the right tools.

5. **Cost-Effective Upgrade** Compared to a full engine rebuild or replacement, upgrading just the carburetor and air box is a budget-friendly way to extend the life of an older or high-mileage outboard. It can also be cheaper than tuning or modifying other components.

6. **Prevents Further Damage** A failing carburetor or air box can lead to poor fuel atomization, carbon buildup, or even engine damage over time. Replacing it proactively can prevent more costly repairs down the road.

7. **Access to Support and Warranty** If purchasing from a reputable dealer or manufacturer (such as Evinrude, Johnson, or a trusted marine parts supplier), you may receive warranty coverage or customer support in case of defects.

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#### **Cons:**

1. **Potential Counterfeit or Low-Quality Parts** If buying from an unverified seller (e.g., untrusted online marketplaces), there is a risk of receiving a counterfeit or substandard part. This could lead to poor performance, leaks, or early failure.

2. **Skill Dependency** While installation is generally straightforward, improper handling (e.g., damaging seals, incorrect carburetor adjustments, or air box misalignment) can void warranties or cause performance issues. Those without mechanical experience may struggle.

3. **Additional Costs** Beyond the carburetor set itself, you may need to purchase:

- **Seals, gaskets, or O-rings** (if not included).

- **Special tools** (e.g., carburetor cleaning kits, torque wrenches).

- **Fuel system additives** (to clean old fuel lines or injectors).

- **Professional labor** if DIY is not an option.

4. **Compatibility Variations** While this part is designed for 40 HP Evinrude/Johnson engines, there may be slight variations between models (e.g., 2-stroke vs. 4-stroke, year-specific differences). Always verify the exact fitment before purchasing.

5. **Learning Curve for Tuning** After installation, the carburetor may require fine-tuning (e.g., adjusting idle speed, mixture screws) to optimize performance. This can be frustrating for beginners and may require multiple adjustments.

6. **Environmental Factors** Marine engines are exposed to saltwater, algae, and debris, which can clog or damage the air box and carburetor over time. Even with a new part, regular maintenance (e.g., cleaning air filters, using fuel stabilizers) is necessary.

7. **Limited Longevity Without Maintenance** Like any mechanical component, the carburetor and air box will degrade over time if not properly maintained. Neglecting routine checks (e.g., fuel line leaks, air filter replacement) can reduce their lifespan.

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### **Conclusion**

The **5005370 Evinrude/Johnson 40 HP carburetor set with air box** is a practical and cost-effective upgrade for owners looking to restore or enhance the performance of their outboard engine. It offers clear benefits in terms of reliability, compatibility, and ease of installation, making it a solid choice for both DIY enthusiasts and those seeking professional maintenance.

However, potential buyers should be cautious about purchasing from unreliable sources, prepared for additional costs, and willing to invest time in proper installation and tuning. For those with limited mechanical experience, consulting a marine mechanic may be advisable to ensure optimal results.

### **Recommendation**

- **Buy from a trusted source** (e.g., official Evinrude/Johnson dealers, reputable marine parts retailers like Sea-Doo, Mercruiser, or Amazon with verified sellers).

- **Verify compatibility** with your exact engine model and year to avoid mismatches.

- **Prepare for installation** by gathering tools, seals, and fuel system additives.

- **Follow manufacturer guidelines** for tuning and maintenance post-installation.

- **Consider professional help** if unsure about DIY repairs to avoid costly mistakes.

**Final Verdict:** If you need a reliable, direct-replacement carburetor and air box for a 40 HP Evinrude/Johnson engine and are willing to put in the effort for proper installation, this part is a worthwhile investment. For best results, pair it with regular maintenance to maximize its lifespan.

Details:

The Carburetors have been inspected and are in good used condition. Removed from a 2004 40 hp used only in freshwater. They were removed from a running engine, but Ii would suggest they be rebuilding them before installing then.

part #: 5005370 price

  • $140.00

specifications ouboaen:

  • for makes: Evinrude, Johnson
  • brand: Brp
  • mpn: 5005370
  • part type: Hp Carburetor Box

payments ouboaen:

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

general ouboaen:

  • condition: Used
  • Boat Parts > Outboard Engines Components > Other

shipping ouboaen:

  • type: Calculated
  • transit: 4-8 Days
  • cost: $8.37
  • class: Standard
  • service: USPS Ground Advantage
  • carrier: USPS

seller ouboaen:

  • city: Menomonie, Wisconsin
  • # reviews: 902
  • rating: 100.0%

offer ouboaen:

  • started: April 5, 2026
  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • sold: 0

returns ouboaen:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
for makes: evinrude, johnson, part type: hp carburetor box,
category: boat parts > outboard engines components, sku: 23105755137882861,
Brp 5005370 Is Similar To:
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1 offer $140.00 USD
  • New. Offer #1 priced at $140.00 + $7.95 shipping estimate = $147.95* total. NEW 40HP CARB WILL FIT.+$7.95 shipping

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