V-TWIN MANUFACTURING 37-8946 Oil Pump Relief Valve Kit

( Brand: V-twin Manufacturing ), ( Manufacturer Part Number: 37-8946 ), ( Country Of Origin: Taiwan ), ( Item Height: 1.00 ), ( Item Length: 4.25 ), ( Item Weight: 0.10 ), ( Item Width: 3.00 ), ( Type: Oil Pump Pressure Relief Valve )

Review V TWIN MANUFACTURING Oil Pump Relief Valve Kit

Introducing the V-Twin Oil Pump Relief Valve Kit (Part Number: 37-8946) - a must-have component for ensuring optimal engine performance in Harley-Davidson V-Twin motorcycles. This meticulously engineered kit is designed to provide relief to the oil pump system, preventing excessive oil pressure that could potentially lead to damage.

The heart of this kit is the high-quality, brass relief valve. Its robust construction ensures durability and reliability, even under the most demanding riding conditions. The valve is meticulously calibrated to open at a specific pressure, providing the perfect amount of relief to the oil pump system. This results in consistent oil flow and optimal engine lubrication.

The kit also includes all necessary hardware for a seamless installation process. Each bolt and washer is carefully selected for a precise fit and superior strength. The kit comes with clear installation instructions, making it easy for even the most novice riders to perform the replacement themselves.

The V-Twin Oil Pump Relief Valve Kit is a direct replacement for the original equipment, ensuring a perfect fit and function. It's designed to work seamlessly with your existing oil pump system, providing an upgrade without the need for any major modifications.

Investing in this oil pump relief valve kit is an investment in the longevity and performance of your Harley-Davidson V-Twin motorcycle. By preventing excessive oil pressure and ensuring consistent oil flow, you'll enjoy a smoother, more reliable riding experience. Whether you're a daily commuter or a weekend warrior, this kit is an essential addition to your motorcycle maintenance routine.

Buying a V-twin 37-8946 oil pump relief valve kit can be a worthwhile investment for motorcycle owners seeking to improve the performance and longevity of their engine. Here are some pros and cons to consider before making a purchase.

1. Prevents Oil Starvation: The oil pump relief valve helps prevent oil starvation during heavy engine loads or high RPMs. This is essential for maintaining proper engine lubrication and cooling.

2. Enhances Engine Performance: By preventing oil starvation, the engine runs more smoothly and efficiently, which can lead to improved horsepower and torque.

3. Extends Engine Life: By ensuring proper oil flow, the oil pump relief valve can help extend the life of the engine by reducing the risk of wear and damage.

4. Easy Installation: The kit usually comes with clear installation instructions, making it an accessible project for most DIY motorcycle enthusiasts.

5. Cost-Effective: Compared to the cost of engine rebuilds or replacements due to oil starvation damage, the cost of a relief valve kit is relatively low.

1. Potential for Leaks: Installing a relief valve involves drilling a hole in the oil pump housing, which could potentially lead to leaks if not installed correctly.

2. Requires Maintenance: While the relief valve itself does not require much maintenance, checking the oil level and ensuring proper oil flow is essential.

3. Additional Cost: While the cost of the relief valve kit itself is relatively low, additional costs such as tools and potential labor costs for installation should be considered.

In conclusion, the pros of buying a V-twin 37-8946 oil pump relief valve kit outweigh the cons. Proper engine lubrication is essential for maintaining the performance and longevity of a motorcycle engine, and the relief valve kit provides an affordable solution to prevent oil starvation. While there are potential risks, such as leaks and installation challenges, these can be mitigated with proper installation and maintenance.

Therefore, I would recommend considering a V-twin 37-8946 oil pump relief valve kit as an investment in the long-term health and performance of your motorcycle engine. However, it is essential to ensure that the installation is done correctly and that any potential risks are addressed promptly to ensure the best possible outcome.

Details:

This item fits the following machines:: , Harley-Davidson, 1965-1967Electra Glide - FLH, 1954F, 1954-1967FL, 1955-1965FLH, 1954-1967FS, 1954-1957Hydra FL. Type Oil Pump Pressure Relief Valve. Manufacturer Part #: 37-8946. V-Twin Manufacturing Oil Pump Relief Valve Kit: Part #: 189942.

part #: 378946 prices

• $49.92-$65.99

specifications filtertake:

• brand: V-twin Manufacturing
• mpn: 37-8946
• country of origin: Taiwan
• item height: 1.00
• item length: 4.25
• item weight: 0.10
• item width: 3.00
• type: Oil Pump Pressure Relief Valve

returns filtertake:

• time: 60 Days
• policy: Returns Accepted
• paid by: Seller

general filtertake:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Oil Filters
• condition: New

payments filtertake:

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

offer filtertake:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0
• started: May 16, 2026

shipping filtertake:

• type: Fixed
• transit: 3-5 Days
• service: Standard
• class: Standard
• cost: $7.99

seller filtertake:

• city: Rush City, Minnesota
• # reviews: 113150
• rating: 99.8%

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