MOROSO Weld Filler Cap 084663852848

( Brand: Moroso ), ( Manufacturer Part Number: 85284 ), ( Part Type: Filler Cap ), ( Material: Alloy Steel ), ( UPC: 084663852848 )

Review MOROSO Weld on Filler Cap Kits

Introducing the Moroso 85284 Weld-On Filler Cap, a high-performance accessory designed for racing applications where a secure and leak-free fuel system is crucial. This weld-on filler cap is engineered to provide a reliable and robust solution for your fuel cell or tank.

The Moroso 85284 Weld-On Filler Cap is manufactured using 6061-T6 aluminum alloy, which offers excellent strength and durability. The cap features a large, 5/16-inch NPT threaded filler neck that is compatible with most fuel hose and nozzle configurations. The filler neck is also designed with a generous radius for easy access during fueling, reducing the risk of damage to the fuel hose or nozzle.

One of the key advantages of the Moroso 85284 Weld-On Filler Cap is its welding design. The cap is intended to be welded directly to the fuel cell or tank, providing an airtight seal and eliminating the need for gaskets or other sealing components. This design not only ensures a leak-free fuel system but also simplifies the installation process.

Additionally, the Moroso 85284 Weld-On Filler Cap includes a vented fuel cap with a 1/4-inch NPT threaded vent. This vented design allows for the release of pressure buildup in the fuel cell or tank, preventing potential damage from excessive pressure.

The Moroso 85284 Weld-On Filler Cap is also compatible with Moroso's fuel pressure regulator kits (sold separately), allowing for easy adjustment of fuel pressure for optimal engine performance.

In conclusion, the Moroso 85284 Weld-On Filler Cap is an essential accessory for any high-performance racing application. Its robust design, large filler neck, and welding capability provide a reliable and leak-free fuel system, while the vented design ensures safe pressure relief. Trust Moroso for your fuel system needs and upgrade your vehicle with the Moroso 85284 Weld-On Filler Cap today.

Pros and Cons of Buying Moroso 85284 Weld-On Filler Cap for Your Engine

The Moroso 85284 weld-on filler cap is a popular choice among engine builders and automotive enthusiasts for its durability and customizable design. However, like any other product, it comes with its advantages and disadvantages. In this article, we will discuss both the pros and cons of buying this weld-on filler cap.

1. Durability: The Moroso 85284 weld-on filler cap is made from high-quality materials, including 6061-T6 aluminum, which makes it incredibly strong and resilient. It can withstand the rigors of high-performance racing engines and the harsh conditions of the race track.

2. Customizability: The weld-on design allows for a seamless integration into the engine block, providing a clean and professional appearance. Additionally, Moroso offers a wide range of custom colors and logos, enabling you to personalize your filler cap to match your engine build or racing team.

3. Leak-Free: The Moroso 85284 weld-on filler cap features a gasketed seal, ensuring a leak-free installation and preventing coolant loss.

4. Easy Installation: The welding process ensures a secure and permanent installation, eliminating the need for constant tightening or replacement of screw-on caps.

1. Cost: The Moroso 85284 weld-on filler cap is a more expensive option compared to screw-on filler caps. The cost of welding the cap to the engine block also adds to the overall expense.

2. Installation Complexity: Welding the filler cap to the engine block requires specialized equipment and expertise, adding to the installation process's complexity and potential for error.

3. Limited Availability: Due to its custom nature, the Moroso 85284 weld-on filler cap may not be readily available at local auto parts stores, forcing you to order it online or from specialized performance shops.

The Moroso 85284 weld-on filler cap offers several advantages, including durability, customizability, leak-free installation, and easy maintenance. However, it also comes with disadvantages, such as a higher cost, installation complexity, and limited availability. Ultimately, the decision to purchase this weld-on filler cap depends on your specific needs, budget, and expertise. If you're building a high-performance engine, competing in racing events, or simply looking for a visually appealing and durable filler cap, the Moroso 85284 weld-on filler cap may be the right choice for you.

If you're considering purchasing the Moroso 85284 weld-on filler cap, ensure you have access to the necessary welding equipment and expertise. Additionally, consider your budget and the availability of the product. If the weld-on design and customizability are essential features for your engine build, the Moroso 85284 weld-on filler cap is an excellent investment. However, if you're working on a budget or prefer a more straightforward installation process, a screw-on filler cap may be a more cost-effective and convenient option.

Details:

Part Type: Engine Oil Filler Caps Product Line: Moroso Weld-On Cap Kits. Notes: Weld-on bung is made of steel. Moroso products are widely recognized in the performance world because they expertly made for racers - by a racer.: Filler Cap Kit, Universal, Steel Bung, Black Anodized with logo, 1-1/4 12UNF Threads, 1.5.D.

Oil Cap Color: Black.. Oil Cap Material: Aluminum. Oil Cap Attachment: Screw-in.

Manufacturers Part Number: 85284. Oil Cap Shape: Round. Brand: Moroso. Quantity: Sold as a kit.

Moroso offers a wide range of products from oil pans and oiling systems, to ignition components, valve covers, fuel system equipment, air cleaners, hard-core racing tools, chassis suspension equipment. Oil Cap Top Style: Moroso. Moroso Weld-On Filler Cap Kits 85284.

part #: 85284 prices

• $55.99-$61.04

specifications rockercove:

• brand: Moroso
• mpn: 85284
• part type: Filler Cap
• material: Alloy Steel
• upc: 084663852848

offer rockercove:

• options: Ship-to-home
• availability: In Stock
• quantity: 10
• sold: 0
• started: July 13, 2025

seller rockercove:

• city: Saint Paul, Minnesota
• # reviews: 45047
• rating: 97.5%

shipping rockercove:

• cost: $0.00
• type: Fixed
• service: Standard
• class: Standard
• transit: 3-5 Days

returns rockercove:

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

general rockercove:

• condition: New
• Engines Engine Parts > Valvetrain Components > Rocker Valve Covers

payments rockercove:

• wallet: Google-pay
• other
• credit card: Discover

Moroso 85284 Is Similar To:

• Moroso 97341 Grommet Breather Filler Cap (53.8% similar) Fits valve covers W/1.22 in. Part number:: Moroso 97341 grommet - breather filler cap: breather/filler cap grommets. Moroso 97341 grommet - breather filler cap. Material thickness for use w/Moroso fabricated/cast aluminum valve covers w/o logo buyer pays return...(December 8th, 2024)
• Moroso 68660 Filler Cap Chrome (60.6% similar) It also eliminates the problems that often occur when using components from different manufacturers. This allows engine builders to select the best combination of equipment suit their particular needs. Each is designed, developed and tested to work together as an integrated system with our oil...(December 9th, 2024)
• Moroso 63476 Water Outlet Filler Neck (53.3% similar) Color: clear. Upc: manufactured from high-quality materials, it will surely provide excellent performance and years of trouble-free service. Sealing style: o-ring. This product has a heavy-duty construction to be reliable and durable enough hold up hard use wear.: water...(December 22nd, 2024)
• Moroso 68854 Valve Cover Breather Kit Non-weld Chrome (47.2% similar) Part # 68854 condition new brand Moroso sold kit details info valve cover breather kits, non-weld, chrome finish provides an easy way of adding a breather to steel or aluminum valve cover without welding since no is required then there not the possibility heat damage chrome powder coat features...(August 1st, 2025)
• Moroso 68640 Valve Cover Stud Kits (57.1% similar) Supplier part number: MOR-68640. Valve cover, wing nut, chrome menu. Washers included: no.: valve cover, wing nut, chrome. Upc: hold-down tabs included: no. Part type: valve cover fasteners product line: Moroso stud kits. Fastener material: steel. Brand: Moroso...(September 11th, 2025)
• Moroso 68855 Valve Cover Breather Kit Non-weld Black (45.5% similar) Part # 68855 condition new brand Moroso sold kit details info valve cover breather kits, non-weld, black finish provides an easy way of adding a breather to steel or aluminum valve cover without welding since no is required then there not the possibility heat damage chrome powder coat features...(September 18th, 2025)