Reliable and durable Cast aluminum hub cap designed to meet fleet safety, performance expectations, ROI and fuel efficiency requirements. Stemco has been supplying high-performance systems and components since 1951.

Stemco

Item #: 5536440

Stemco 300-4009 Hub Cap Without Plug

Item #: 5536440

NZD 52

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Reliable and durable Cast aluminum hub cap designed to meet fleet safety, performance expectations, ROI and fuel efficiency requirements. Stemco has been supplying high-performance systems and components since 1951.

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What Stands Out

Durable Construction

Crafted from high-quality materials, the Stemco hub cap ensures long-lasting performance and resist wear, making it a reliable choice for heavy-duty applications.

Leak-proof Design

The innovative design eliminates leaks, protecting your wheel bearings and enhancing reliability during operation, providing users with peace of mind and lower maintenance costs.

Easy Installation

Engineered for straightforward installation, the Stemco hub cap simplifies the process, saving time and reducing the need for professional assistance, making it ideal for DIY enthusiasts.

Product Details

Cast aluminum hub cap with large red fill plug & no side fill plug
Designed to meet the performance, design, and price requirements of national and international fleets
Reliable and durable, aimed at increasing fleet safety, performance, ROI, and fuel efficiency
Gasket included for added convenience
Supplied by Stemco, a trusted provider of high-performance systems and components to the commercial vehicle industry since 1951

Who Should Buy?

Commercial Truck Owners
Ideal for commercial truck owners seeking reliable, durable hub caps for their fleet's wheel maintenance.
Fleet Managers
A great choice for fleet managers responsible for upkeep of vehicles, ensuring efficient easy replacement of hub caps.
DIY Mechanics
Perfect for DIY mechanics looking for cost-effective solutions to maintain their vehicles' wheel assemblies efficiently.

Passenger Vehicle Drivers
Not suitable for standard passenger vehicles requiring specific hub cap designs or functions for optimal performance.

Product Description

Stemco 300-4009 Hub Cap Without Plug

About This Item

Introducing the Stemco 300-4009 Hub Cap - the perfect solution for upgrading your truck's hub cap. Engineered to provide exceptional performance and durability, this hub cap is designed to withstand the toughest conditions on the road. The Stemco 300-4009 Hub Cap is specifically designed for commercial vehicles, making it the ideal choice for truck owners and fleet managers looking to enhance their vehicle's performance. With its high-quality construction, this hub cap offers unparalleled durability and longevity, ensuring that it will last for years to come. Featuring a sleek and modern design, the Stemco 300-4009 Hub Cap not only enhances the appearance of your truck but also contributes to its overall performance.

Designed to reduce friction and optimize wheel bearing life, this hub cap helps to minimize maintenance costs and maximize uptime. This hub cap is incredibly easy to install, allowing you to quickly and effortlessly upgrade your truck's wheels. It is compatible with a wide range of trucks and is a direct replacement for your existing hub cap, making installation a breeze. With its competitive price point, the Stemco 300-4009 Hub Cap offers excellent value for money. You'll be getting a top-quality product that delivers exceptional performance without breaking the bank. Don't just take our word for it – the Stemco 300-4009 Hub Cap has received rave reviews from truck owners and industry professionals alike.

Its outstanding performance, durability, and ease of installation have made it a top choice in the market. Upgrade your truck's hub cap with the best – the Stemco 300-4009 Hub Cap. Experience improved performance, enhanced durability, and a sleek appearance. Don't settle for anything less than the best – choose Stemco for all your hub cap needs.

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Product Buying Guide

The Stemco 300-4009 Hub Cap is a reliable and durable solution designed to meet the performance, design, and price requirements of national and international fleets. It is intended to enhance fleet safety, performance expectations, ROI, and fuel efficiency. The product is a cast aluminum hub cap with a large red fill plug and no side fill plug, and it comes with a gasket included. Continue Reading

Customer Questions & Answers

Question: What is the Stemco 300-4009 Hub Cap Without Plug used for?

Answer: The Stemco 300-4009 Hub Cap Without Plug is designed for use on heavy-duty vehicles, primarily to protect wheel bearings and maintain lubrication. Without the plug, this cap helps ensure the hub remains sealed while allowing for easy inspection and maintenance access. In practical terms, this is crucial for fleets operating long haul routes, as it helps in sustaining the performance and longevity of the vehicle's wheel assembly.
Question: Is the Stemco 300-4009 Hub Cap compatible with all vehicles?

Answer: The Stemco 300-4009 Hub Cap is specifically engineered for certain models, particularly in the heavy-duty truck sector. Compatibility generally aligns with medium to heavy-duty trailers and trucks. Before making a purchase, it’s advisable to check your vehicle’s specifications to ensure it meets the required fitment criteria, which enhances the efficacy of this hub cap in protecting internal components.
Question: How do I install the Stemco 300-4009 Hub Cap?

Answer: Installing the Stemco 300-4009 Hub Cap involves a few crucial steps. Begin by cleaning the surface of the axle hub to ensure there are no debris or old seal remnants. Align the hub cap appropriately with the mounting plate and press it into place securely. It’s important to check the fitment after installation to avoid any operational issues. This straightforward installation can be a vital part of any maintenance routine for heavy-duty fleet vehicles.
Question: What materials is the Stemco 300-4009 Hub Cap made from?

Answer: The Stemco 300-4009 Hub Cap is typically crafted from durable materials, such as metal and high-grade plastic, designed to withstand the harsh conditions of road travel. These materials resist corrosion and wear, ensuring the hub cap lasts longer even under heavy loads. This durability is essential for operators in logistics and transportation who require dependable components for their vehicle’s wheel systems.
Question: Can I use the Stemco 300-4009 Hub Cap on trailer axles?

Answer: Yes, the Stemco 300-4009 Hub Cap is suitable for use on trailer axles, as well as some types of drive axles in heavy-duty vehicles. This versatility makes it a popular choice among fleet operators and mechanics who need reliable parts across different vehicle configurations. Ensuring compatibility with your specific axle type enhances performance and safety during transport operations.
Question: How can I clean the Stemco 300-4009 Hub Cap?

Answer: Cleaning the Stemco 300-4009 Hub Cap is simple and involves using a mild detergent and water solution. A soft cloth or sponge can effectively remove dirt and grime without scratching the surface. It’s essential to ensure that no cleaning substances remain on the hub cap, as they could affect the performance. Regular cleaning can help prolong the life of the hub cap, especially in off-road or muddy conditions.
Question: Does the Stemco 300-4009 Hub Cap come with any additional features?

Answer: The Stemco 300-4009 Hub Cap itself is a straightforward design focused on functionality without extra features like pressure relief or temperature indicators. Its primary purpose is to provide a reliable seal for wheel bearings. However, its engineered design ensures optimal protection for vital wheel components, which is critical for heavy-duty applications where maintenance simplicity and efficiency are necessary.
Question: What should I do if the hub cap is damaged?

Answer: If the Stemco 300-4009 Hub Cap is damaged, it’s important to replace it promptly to prevent contaminants from entering the hub assembly. Inspect the surrounding area for any other potential damage that could affect performance. Given the importance of proper sealing in the hub system, replacing damaged components helps maintain optimal vehicle operation, especially in fleet situations where reliability is key.
Question: Where can I buy the Stemco 300-4009 Hub Cap Without Plug in New Zealand?

Answer: You can purchase the Stemco 300-4009 Hub Cap Without Plug at Ubuy in New Zealand. Ubuy offers a reliable purchasing experience, providing details on product specifications and features to help you make an informed decision. With Ubuy, you have access to various products and services tailored for your automotive needs.

Stemco Hubcaps Editorial Review

The Stemco 300-4009 Hub Cap is a high-quality and reliable product. It has been praised for its perfect fit, solid construction, and fast shipping. Customers have found it to be compatible with various trailers and vehicles, including flatbeds and Timpte trailers. The gasket included in the package has been a point of contention, with some customers receiving it and others not. Overall, the Stemco 300-4009 Hub Cap is a good purchase for those in need of a durable hub cap.

Customer Reviews & Ratings

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Pros

Perfect fit
Solid construction
Fast shipping

Cons

Inconsistency with gasket inclusion

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4.1/5 355 reviews

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“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”

22 July 2026 · via Trustpilot

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“Love what I received and ordered found that usa clothes are more better quality and look better than the same clothes in my country but are harder to find here recommend ubuy 100%”

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“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”

15-Jul-26 · via Trustpilot

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“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”

11-Jul-26 · 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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NZD 52

Order now and get it around Saturday, September 05

QTY:

Secured transaction

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Features & Benefits

Reliable and durable Cast aluminum hub cap
Meets fleet safety, performance expectations, ROI and fuel efficiency requirements
Stemco supplies high-performance systems and components since 1951

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns ^*, and secure packaging on every order.

Platform Trust & Buyer Confidence

Stemco 300-4009 Hub Cap Without Plug