Looking for an oil tank fittings kit that simplifies oil changes and pre-lubing? This guide highlights five compatible options geared for different needs—from remote oil tanks and priming adapters to multi-vehicle funnels. The best choice depends on your engine type, project scope, and whether you prefer a ready-to-use kit or a modular setup. The top picks target classic GM/LS engines, versatile funnel kits for multiple brands, and easy installation without welding. The buyer table below summarizes each selected product for quick comparison.
| Product | Best For | Why It Stands Out |
|---|---|---|
| National Vacuum Equipment 320-081 Remote Oil Tank Kit | Remote oil tank setups | Complete kit with tank, cap, brass fitting, oil line and fittings |
| Stainless Steel Oil Pump Priming Adapter Kit (joytrace) | GM LS engine builds | All-metal hardware and compatible M16x1.5/M16-1.5 fittings |
| 20-Piece Engine Oil Funnel Kit (SWANLAKE) | Cross-brand oil changes | Wide compatibility with 12 adapters and no-spill design |
| DEWHEL Universal 6AN Return Line Fitting Bung Kit | Welding-free bung installs | Aluminum bung with simple bolt-down installation |
| Oil Pump Priming Adapter Kit (A.A) | LS engine pre-lubing | Specifically for LS engines with complete hardware |
National Vacuum Equipment 320-081 Remote Oil Tank Kit
The National Vacuum Equipment kit is designed for remote oil tank setups and pump applications. It includes a tank, cap, brass fitting, oil line, and fittings, making it a compact, self-contained solution. Best for buyers who want a straightforward, all-in-one remote oil tank system that minimizes extra sourcing. The kit can help avoid leaks in remote setups and streamline oil routing in workshop spaces with limited access. A potential limitation is that it may require compatible pumps and fittings to integrate with existing systems.
Who it’s best for: Mechanics upgrading to a remote oil tank configuration, or shops wanting a ready-to-install kit with essential components. Why selected: It simplifies the remote oil tank workflow by providing a complete package in one purchase, reducing the chance of missing parts during setup.
Caution: Verify thread compatibility with your pump and hoses to ensure a secure fit and avoid leaks in higher-pressure lines.
Stainless Steel Oil Pump Priming Adapter Kit (joytrace)
Joytrace’s priming adapter kit targets Chevrolet and GM LS engines, featuring all-metal hardware for durability. It includes a stainless steel hex plug, sealing washer, brass barbed hose fitting, and a hose clamp, with a design that accommodates M16x1.5 male threads and 1/8″ NPT female threads. Best for LS-based builds or restorations that require a robust priming connection without relying on softer alloys. It’s a solid option for dry-start prevention in engine service scenarios, though gardeners’ sprayer components are not included and must be sourced separately.
Who it’s best for: Builders and technicians focusing on GM LS engines; those who want a durable, all-metal kit. Why selected: The kit provides critical priming hardware in one package with clear compatibility for popular LS platforms.
Caution: Confirm thread compatibility with your specific oil pump model to ensure a watertight seal and proper priming performance.
20-Piece Engine Oil Funnel Kit (SWANLAKE GARDEN TOOLS)
This versatile funnel kit emphasizes wide compatibility with a broad range of vehicles, featuring 12 color-coded adapters designed to fit GM, Ford, BMW, Audi, Toyota, Honda, Nissan, Hyundai, Mercedes, Volkswagen, and more. It is designed to minimize spills with a built-in rubber gasket seal and enables hands-free filling through secure threaded connections. Best for multi-vehicle households or shops that perform routine oil changes for various brands. Limitation: Some adapters may not perfectly fit every model, so verify fitment before use.
Who it’s best for: Home mechanics and small shops handling multiple brands; those seeking a spill-free, efficient filling process. Why selected: A broad adapter set reduces the need for separate funnels and adapters across vehicles.
Caution: Ensure the adapter you choose actually matches your fill port size to prevent leaks or spills during pouring.
DEWHEL Universal 6AN Fuel Tank Return Line Fitting Bung Kit
The DEWHEL bung kit provides an easy, welding-free installation for a variety of fuel tank return lines. Made of aluminum, it uses a 9/16″-18 to 6AN fitting and includes an O-ring to prevent leakage. Best for fabricators performing quick bung installs without welding. The kit requires drilling a 1/2″ hole and then seating the bung by tightening the bolt, which may require a wrench and careful alignment. Limitation: It assumes a compatible tank material thickness, so verify your tank’s compatibility before drilling.
Who it’s best for: DIY enthusiasts and professional fabricators seeking a simple, weld-free bung option. Why selected: It enables a clean, secure connection without welding in many setups, speeding up installation.
Oil Pump Priming Adapter Kit (A.A) for GM LS Engines
This adapter kit is designed for all Chevrolet GM LS engines (LS1, LS2, LS3, LSX, and 5.3L/6.0L/6.2L variants). It supports proper engine pre-lubing to prevent dry starts after servicing and includes a hex plug, washer, barbed hose fitting, and hose clamp. Best for LS engine builds or post-service pre-lubing workflows. Limitation: It specifies LS-family compatibility; ensure your engine model matches the kit’s intended fitment before purchase.
Who it’s best for: LS engine owners and service technicians who want reliable pre-lubing during engine work. Why selected: It specifically targets LS engines with complete hardware to facilitate pre-lubing and reduce dry-start risk.
Buying Guide
What should I consider when choosing an oil tank fittings kit?
- Engine type and compatibility: Choose LS-specific priming kits for LS engines or universal adapters for mixed-brand use.
- Installation method: Welding-free bung options appeal to DIYers; remote tank kits suit limited space shops.
- Material durability: All-metal hardware (stainless steel, brass) tends to last longer in oily environments.
- Ease of use: Look for pre-assembled kits with clear hardware and included seals to minimize leaks.
- Versatility vs. specificity: Multi-vehicle funnel kits offer broad compatibility; single-engine kits optimize fit and performance.
Practical questions to guide your purchase
- Will the kit fit my engine family (GM/LS, Ford, etc.) and tank type?
- Do I need a welding-free solution for quick installs?
- Is remote tank access important for my workspace?
- How critical is leak prevention at each connection point?
- Do I benefit from a multi-vehicle funnel set or a dedicated LS priming adapter?
What to expect in use
Priming adapters reduce dry starts and ensure oil begins circulating promptly after assembly. Remote tank kits simplify routing in tight spaces. Universal funnels minimize spills but require correct adapter selection. Bung kits offer fast, fuss-free installation without welding but confirm material thickness compatibility. For LS engines, choose adapters that explicitly list LS compatibility to maximize fit and reliability.
Frequently Asked Questions
- Q: Are these kits compatible with all LS engine models?
A: Most LS-focused priming adapters specify compatibility with LS1, LS2, LS3, LSX, and similar engines; verify the exact model matches before purchasing. - Q: Do I need welding to install a bung kit?
A: No welding is required for the DEWHEL bung kit; you drill a hole and secure the bung with a bolt. Always follow the manufacturer’s installation instructions. - Q: Can I use these kits with different brands in the same vehicle?
A: Some universal funnel kits support multiple brands; check adapter compatibility for your fill port across brands. - Q: Will these fittings prevent leaks at high oil pressures?
A: Seals and O-rings are included with many kits to reduce leaks; ensure proper torque on fittings and confirm gasket compatibility with your oil system. - Q: Is a remote oil tank kit worth it for a small shop?
A: If space is limited or you need flexible routing, a remote tank kit can improve workflow and reduce hose length tangles. - Q: Do these kits come with warranty or support?
A: Warranty details are not specified here; review the product listing for any vendor-specific terms.