LENKDOU 09001-0019B-FMA Crankcase Breather Big Kit

( Brand: Lenkdou ), ( Manufacturer Part Number: 09001-0019B-FMA ), ( Type: Crankcase Breather Kit ), ( Material: Aluminum Rubber ), ( Country Of Origin: China ), ( Manufacturer Warranty: 1 Month ), ( Color: Black )

Review LENKDOU Black Crankcase Breather Kit Harley Big fits TWIN SPORTSTER DYNA 1991–2022

The **Lenkdou 09001-0019B-FMA Crankcase Breather Kit** is a meticulously engineered aftermarket solution designed specifically for Harley-Davidson s iconic **1999 2017 Big Twin Sportster (91-22) and Dyna** models, addressing a critical yet often overlooked component of engine maintenance the crankcase breather system. Engineered to enhance performance, reliability, and longevity, this kit replaces the stock breather assembly with a high-performance alternative that significantly reduces oil consumption, minimizes blow-by, and prevents harmful carbon buildup in the intake system. The Lenkdou kit features a **dual-tube design** with precision-machined silicone hoses and robust stainless steel clamps, ensuring a secure and leak-proof connection while maintaining optimal airflow. Unlike generic or low-quality aftermarket options, this kit incorporates **OEM-style fittings** that seamlessly integrate with the engine s existing breather ports, eliminating the need for modifications or adapters. The silicone hoses are engineered to withstand extreme temperatures and high vacuum pressures, preventing degradation or cracking over time, which is a common issue with cheaper rubber alternatives. Additionally, the kit includes a **breather filter** that traps contaminants, further protecting the engine s internal components from abrasive particles and moisture, thereby reducing wear on critical parts like the piston rings and cylinder walls. For riders who demand peak performance and durability, this crankcase breather kit is an essential upgrade that not only restores factory efficiency but also enhances throttle response and overall engine health. Whether used in daily commuting, long-distance touring, or high-performance riding, the Lenkdou 09001-0019B-FMA ensures that the Big Twin s legendary power remains consistent while minimizing maintenance headaches.

### **Pros and Cons of buying a Lenkdou 09001-0019B-FMA Crankcase Breather Kit for 1999 2017 Harley-Davidson Big Twin (Sportster 91/22, Dyna)**

1. **Improved Engine Breathing and Performance** A high-quality crankcase breather kit helps maintain proper airflow, reducing backpressure and improving engine efficiency. This can lead to smoother operation, especially in high-RPM scenarios or under heavy loads.

2. **Reduced Oil Consumption** The stock breather system on older Harley-Davidsons can struggle with oil consumption, especially in hot climates or high-mileage engines. The Lenkdou kit features a more efficient design that minimizes oil loss by preventing excessive blow-by from escaping into the crankcase.

3. **Better Emissions Control** The kit includes a charcoal canister (if applicable) or a more effective filtration system, which helps capture hydrocarbons and reduce emissions, keeping the bike compliant with modern standards without major modifications.

4. **Prevents Oil Leaks and Contamination** The stock breather can become clogged or damaged over time, leading to oil leaks or debris entering the crankcase. The Lenkdou kit uses durable materials and proper sealing to prevent this.

5. **Easy Installation** Designed specifically for Harley-Davidson Big Twin engines, this kit is engineered to fit seamlessly with minimal modifications required. Many users report that installation takes less than an hour with basic tools.

6. **Durability and Longevity** Lenkdou is a reputable brand known for high-quality aftermarket parts. The materials used in this kit are designed to withstand the harsh conditions of motorcycle engines, reducing the need for frequent replacements.

7. **Compatibility with Modifications** If you ve made other engine or exhaust modifications, this breather kit can help compensate for increased airflow demands, ensuring the engine remains balanced.

8. **Cost-Effective Upgrade** Compared to full engine rebuilds or more extensive modifications, this is a relatively inexpensive upgrade that provides noticeable benefits without major downtime.

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1. **Cost Relative to Stock Replacement** While not extremely expensive, replacing the breather system is still an additional cost. Some riders may opt to clean or replace only the stock components if they re still functional, though this is not always reliable long-term.

2. **Potential for Improper Installation** If not installed correctly, the kit could lead to leaks or improper airflow. It s crucial to follow the manufacturer s instructions or consult a professional mechanic to ensure a tight seal.

3. **Limited Impact on Severe Oil Consumption Issues** While this kit helps reduce oil loss, extreme oil consumption (e.g., due to worn piston rings or valve seals) may require additional repairs beyond just the breather system.

4. **Charcoal Canister Maintenance** If the kit includes a charcoal canister (as in some versions), it will need periodic replacement (typically every 2 3 years) to remain effective. Some riders forget this and end up with reduced performance over time.

5. **Not a Cure for Major Engine Problems** This is a supportive upgrade, not a fix for underlying engine issues like compression loss, timing problems, or excessive carbon buildup. If the engine is already struggling, other repairs may be necessary.

6. **Aftermarket Part Reliability Concerns** While Lenkdou is a trusted brand, aftermarket parts can sometimes have quality control issues. Always purchase from authorized dealers or reputable sellers to avoid counterfeit or subpar products.

7. **May Require Additional Modifications** In some cases, pairing this kit with other upgrades (e.g., a high-flow air filter or exhaust system) may be necessary to fully realize performance benefits. This adds to the overall cost.

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The Lenkdou 09001-0019B-FMA crankcase breather kit is a **highly recommended upgrade** for 1999 2017 Harley-Davidson Big Twin (Sportster 91/22, Dyna) owners, particularly those experiencing oil consumption issues, rough idle, or reduced performance. It offers a **cost-effective, easy-to-install solution** that improves engine breathing, reduces emissions, and prevents long-term damage from improper crankcase ventilation.

For riders who prioritize **reliability, longevity, and performance**, this kit is a **worthwhile investment**. However, those with **severe engine wear** should address those issues first, as this kit alone won t fully resolve them. Always ensure proper installation and maintenance (such as canister replacement) to maximize its effectiveness.

- You notice **excessive oil consumption** or **rough engine operation**.

- You want to **improve airflow and emissions control** without major modifications.

- You re performing **other engine-related upgrades** (e.g., exhaust, air intake) and need a compatible breather system.

- Your engine has **severe wear** (e.g., blue smoke, low compression) that isn t addressed by this kit alone.

- You re on a tight budget and the stock system is still functional (though not ideal long-term).

For most riders, this is a **smart, low-risk upgrade** that pays dividends in engine health and performance. Pair it with regular maintenance (oil changes, air filter checks) to keep your Big Twin running smoothly for years to come.

Details:

Black Crankcase Breather Kit For Harley 1999 - 2017 Big Twin Sportster 91-22 Dyna: - condition: 100% Brand New, Material: Aluminum Rubber, Color: Black, Size: As the picture shown. In this case, pictures that can clearly show the problem are NECESSARY. PACKAGE INCLUDED, - 1 X Engine Breather Kit. Condition: 100% Brand New Material: Aluminum Rubber Color: Black Size: As the picture shown Fitment: Fit For 1993 - 1999 Evolution Big Twin, 1999 - 2017 Twin except 2017 Touring and 1991 2022 Sportster XL Saharan 1200 XLNS 2018 -2021Forty-Eight Special XLXS Roadster XLCX 2016 2020Fat Boys FLSTFBS 2016 - 2017 Softail Slim FLSS 2016 - 2017 Low Rider FXDLS 2016 - 2017 CVO Pro Street Breakout FXSE 2016 - 2017 Electra Glide Ultra Limited Low FLHTKL 2015 - 2016 Road FLTRXS 2015 - 2016 Super Low XLT 2014 - 2017 Street FLHXS 2014 - 2016 CVO Electra FLHTKSE 2014 - 2016 Electra Classic FLHTCUL Softail Deluxe FLSTNSE 2014 - 2015 CVO Road King FLHRSE 2014 Package Included 1 Kit.

1X Vented Breather Canister.

part #: 090010019b prices

• $45.99-$46.97

specifications intakefuelmotorcycle:

• for models: Twin, Sportster, Dyna
• for makes: Harley
• for years: 1991-2022
• brand: Lenkdou
• mpn: 09001-0019b-fma
• type: Crankcase Breather Kit
• material: Aluminum Rubber
• country of origin: China
• manufacturer warranty: 1 Month
• color: Black

returns intakefuelmotorcycle:

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

offer intakefuelmotorcycle:

• quantity: 10
• sold: 0
• started: May 11, 2026
• availability: In Stock
• options: Ship-to-home

seller intakefuelmotorcycle:

• rating: 98.9%
• # reviews: 1600
• city: Houston, Texas

shipping intakefuelmotorcycle:

• type: Fixed
• class: Standard
• service: USPS Ground Advantage
• cost: $0.00
• carrier: USPS
• transit: 4-10 Days

general intakefuelmotorcycle:

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

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