PROLUBE
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PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8 NPT Threads (43512)
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PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8 NPT Threads (43512)
Most popular for use with grease guns for general maintenance.
PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8 NPT Threads (43512)
Item #: 84963129

PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8 NPT Threads (43512)

80% of respondents would recommend this to a friend

Item #: 84963129

AUD 40

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Wednesday, September 30
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Most popular for use with grease guns for general maintenance.
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What Stands Out

High Pressure Rating
Engineered to handle up to 10,000 PSI, ensuring reliable performance under demanding conditions, making it ideal for heavy-duty applications.
Ball Check Mechanism
Features a ball check system to prevent grease flow back, enhancing work efficiency and cleanliness during use, essential for professional maintenance tasks.
Versatile Compatibility
Designed for use with both hand and air-operated grease guns, offering flexibility and convenience for various lubrication tasks in workshops and garages.

Product Details

Shop PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8 NPT Threads (43512) online at a best price in Nauru. B09V63X7MX
Brand NamePROLUBE
Number of Pieces1
Model Number43512
Global Trade Identification Number00816139015798
ManufacturerGroz
Unit Count1 Count
UPC816139015798
Manufacturer Part Number43512
Size4-Jaw
Item Dimensions1.94 x 3.88 x 1 inches (4.9 x 9.9 x 2.5 cm)
Item Weight0.27 g
Connector TypeCoupling
Thread Size1/8 inch (45.7 cm)
Thread TypeNPT
ColorSilver
Exterior FinishAlloy Steel
Material Typemanmade
Materialmanmade
BrandPROLUBE
Item dimensions L x W x H1.94 x 3.88 x 1 inches (4.9 x 9.9 x 2.5 cm)

Who Should Buy?

Suitable For
  • Automotive Technicians

    Ideal for automotive professionals needing high-pressure grease application in tight spaces with efficiency and reliability.

  • Industrial Maintenance

    Perfect for maintenance technicians in factories who require robust and durable greasing tools for heavy machinery.

  • DIY Enthusiasts

    Great for home mechanics and hobbyists looking for a reliable grease coupler for automotive or machinery maintenance.

Not Suitable For
  • Casual Users

    Not suitable for infrequent users who only require basic lubrication tools for light-duty applications.

Product Description

PROLUBE Standard 4-Jaw Grease Coupler | With Ball Check | 3,000 PSI | Use with Hand Operated Grease Guns | 1/8 NPT Threads (43512)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the PROLUBE 43512 4-JAW Hydraulic Coupler used for?

    Answer: The PROLUBE 43512 4-JAW Hydraulic Coupler is designed for connecting hydraulic hoses securely and efficiently. It features a robust 4-jaw mechanism that provides a reliable grip, which is essential for high-pressure applications. This coupler is ideal for use in hydraulic systems, machinery repair, and equipment maintenance, ensuring you can easily connect and disconnect hoses without leaks.
  • Question: What is the construction material of the PROLUBE 43512 coupler?

    Answer: The PROLUBE 43512 coupler is constructed from high-quality materials that ensure durability and long-lasting performance. The use of robust metals offers resistance to wear and tear, making it suitable for industrial and mechanical applications. This strength is paramount, as it helps maintain consistent hydraulic flow while reducing the risk of failure during operation.
  • Question: How does the 4-jaw design enhance the performance of this coupler?

    Answer: The unique 4-jaw design of the PROLUBE 43512 coupler provides enhanced grip compared to traditional 2-jaw designs. This multi-jaw system ensures that the connection is tighter and more secure, significantly reducing the chances of leaks. In scenarios where high pressures are present, this design feature makes a crucial difference in maintaining operational safety and efficiency.
  • Question: What is the significance of the 1/8" NPT specification?

    Answer: The 1/8" NPT specification indicates the thread size and type of the hydraulic coupler. NPT (National Pipe Thread) ensures compatibility with various hydraulic systems and fittings, making installation straightforward. This standardization is essential in fluid power applications, allowing users to connect the coupler seamlessly to existing equipment without special adapters.
  • Question: Can I use the PROLUBE 43512 coupler for pneumatic applications?

    Answer: While primarily designed for hydraulic systems, the PROLUBE 43512 coupler can also be utilized in certain pneumatic applications if the pressure ratings are compatible. Users should ensure that the coupler's specifications are adequate for the intended air pressure and flow requirements. This versatility allows users to maximize their investment by employing the coupler across various applications.
  • Question: Is it necessary to use sealant with the PROLUBE 43512 coupler?

    Answer: Using a thread sealant is generally recommended to prevent leaks when installing the PROLUBE 43512 coupler. Sealants can enhance the integrity of the connection by filling any small gaps that may exist between the threads. This step is crucial, especially in high-pressure environments, to maintain optimal performance and safety.
  • Question: What are the benefits of purchasing a pack of 2 PROLUBE couplers?

    Answer: Purchasing a pack of 2 PROLUBE 43512 couplers offers significant advantages, including cost-effectiveness and convenience. With two couplers, you can complete multiple connections or have a backup on hand when needed. This is especially beneficial in busy work environments where time is critical, and having extra components readily available can save significant downtime.
  • Question: How can I ensure proper maintenance of the hydraulic coupler?

    Answer: To maintain the PROLUBE 43512 hydraulic coupler, regularly inspect for signs of wear or damage, and clean any debris that may accumulate. Lubricating the threads periodically will help maintain ease of connection and disconnection. Proper care ensures longevity, performance, and safety in high-pressure hydraulic applications.
  • Question: Is the PROLUBE 43512 coupler compatible with standard hydraulic fluid types?

    Answer: Yes, the PROLUBE 43512 coupler is compatible with various standard hydraulic fluid types. This compatibility is essential, allowing the coupler to be utilized in different hydraulic systems with confidence. Before use, it's important to confirm that the hydraulic fluid aligns with the manufacturer's specifications to prevent any chemical reactions or degradation.
  • Question: Where can I buy PROLUBE 43512 4-JAW Hydraulic Coupler in Nauru?

    Answer: You can purchase the PROLUBE 43512 4-JAW Hydraulic Coupler (Pack of 2) through Ubuy in Nauru. Ubuy is a reliable e-commerce platform that offers a wide selection of products, making it easy for customers to find the hydraulic couplers they need. Their platform also provides a user-friendly experience for smooth browsing and purchasing.

PROLUBE Coupler Parts 43512 Editorial Review

The product in question has received mixed reviews from customers. While some users have found it to be a great product with a nice design and heavy-duty grease coupler that works perfectly, others have experienced issues with it not gripping the grease fitting well and not releasing properly. One reviewer mentioned that it did not work well for them even for a few uses, leading them to believe it was a waste of money. The specific issue of locking onto the grease zerk and not releasing was also mentioned by another user, who questioned if this was a common defect or just an isolated case. Overall, the product seems to have a solid build and design, with some customers having a positive experience while others facing issues with its functionality. **** The grease coupler in question has a sturdy and heavy-duty design that appeals to many users. While some have found it to work perfectly and securely lock onto grease zerks, others have reported issues with gripping the grease fitting well or releasing properly. The product seems to have some variability in its performance, with some users experiencing a waste of money due to its shortcomings. Despite this, the majority seem to find it to be a good investment for their needs. **

Customer Reviews & Ratings

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Pros

  • Sturdy and heavy-duty design
  • Securely locks onto grease zerks
  • Reasonably priced

Cons

  • Problems with proper release mechanism

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9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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AUD 40

Order now and get it around Wednesday, September 30

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Pack of 2 hydraulic couplers.
  • Standard duty, perfect for everyday use.
  • Narrow design ideal for hard-to-reach fittings.
  • Milled slot for effortless tightening.
  • Made with fully hardened spring steel jaws for durability.
  • Essential for efficient grease application.

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